./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-vmxnet3-vmxnet3.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 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-vmxnet3-vmxnet3.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 3690840768266c876b9a5649dea3d910fb39c399b8d09186979b1540326c7185 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 11:16:56,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 11:16:56,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 11:16:56,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 11:16:56,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 11:16:56,982 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 11:16:56,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 11:16:56,987 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 11:16:56,988 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 11:16:56,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 11:16:56,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 11:16:56,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 11:16:56,994 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 11:16:56,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 11:16:56,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 11:16:56,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 11:16:57,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 11:16:57,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 11:16:57,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 11:16:57,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 11:16:57,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 11:16:57,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 11:16:57,009 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 11:16:57,010 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 11:16:57,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 11:16:57,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 11:16:57,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 11:16:57,015 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 11:16:57,016 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 11:16:57,017 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 11:16:57,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 11:16:57,017 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 11:16:57,018 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 11:16:57,019 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 11:16:57,020 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 11:16:57,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 11:16:57,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 11:16:57,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 11:16:57,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 11:16:57,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 11:16:57,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 11:16:57,024 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 11:16:57,050 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 11:16:57,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 11:16:57,050 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 11:16:57,051 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 11:16:57,051 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 11:16:57,051 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 11:16:57,052 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 11:16:57,052 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 11:16:57,052 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 11:16:57,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 11:16:57,053 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 11:16:57,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 11:16:57,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 11:16:57,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 11:16:57,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 11:16:57,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 11:16:57,053 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 11:16:57,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 11:16:57,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 11:16:57,054 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 11:16:57,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 11:16:57,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 11:16:57,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 11:16:57,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 11:16:57,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 11:16:57,055 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 11:16:57,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 11:16:57,055 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 11:16:57,055 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 11:16:57,056 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 11:16:57,056 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 11:16:57,056 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3690840768266c876b9a5649dea3d910fb39c399b8d09186979b1540326c7185 [2021-11-17 11:16:57,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 11:16:57,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 11:16:57,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 11:16:57,238 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 11:16:57,238 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 11:16:57,239 INFO L432 ainManager$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-vmxnet3-vmxnet3.cil.i [2021-11-17 11:16:57,289 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ee2fce33/8c7876055aa041eaacfe4bd9086f8d4c/FLAG8588dd816 [2021-11-17 11:16:58,027 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 11:16:58,028 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-vmxnet3-vmxnet3.cil.i [2021-11-17 11:16:58,085 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ee2fce33/8c7876055aa041eaacfe4bd9086f8d4c/FLAG8588dd816 [2021-11-17 11:16:58,270 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ee2fce33/8c7876055aa041eaacfe4bd9086f8d4c [2021-11-17 11:16:58,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 11:16:58,273 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 11:16:58,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 11:16:58,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 11:16:58,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 11:16:58,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 11:16:58" (1/1) ... [2021-11-17 11:16:58,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e43c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:16:58, skipping insertion in model container [2021-11-17 11:16:58,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 11:16:58" (1/1) ... [2021-11-17 11:16:58,284 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 11:16:58,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 11:17:01,472 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-vmxnet3-vmxnet3.cil.i[554141,554154] [2021-11-17 11:17:01,474 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-vmxnet3-vmxnet3.cil.i[554310,554323] [2021-11-17 11:17:01,475 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-vmxnet3-vmxnet3.cil.i[554477,554490] [2021-11-17 11:17:01,475 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-vmxnet3-vmxnet3.cil.i[554645,554658] [2021-11-17 11:17:01,500 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 11:17:01,594 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 11:17:01,976 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-vmxnet3-vmxnet3.cil.i[554141,554154] [2021-11-17 11:17:01,977 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-vmxnet3-vmxnet3.cil.i[554310,554323] [2021-11-17 11:17:01,977 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-vmxnet3-vmxnet3.cil.i[554477,554490] [2021-11-17 11:17:01,978 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-vmxnet3-vmxnet3.cil.i[554645,554658] [2021-11-17 11:17:01,985 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 11:17:02,164 INFO L208 MainTranslator]: Completed translation [2021-11-17 11:17:02,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:17:02 WrapperNode [2021-11-17 11:17:02,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 11:17:02,166 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 11:17:02,166 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 11:17:02,166 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 11:17:02,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:17:02" (1/1) ... [2021-11-17 11:17:02,279 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:17:02" (1/1) ... [2021-11-17 11:17:02,513 INFO L137 Inliner]: procedures = 704, calls = 4224, calls flagged for inlining = 360, calls inlined = 292, statements flattened = 8567 [2021-11-17 11:17:02,514 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 11:17:02,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 11:17:02,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 11:17:02,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 11:17:02,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:17:02" (1/1) ... [2021-11-17 11:17:02,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:17:02" (1/1) ... [2021-11-17 11:17:02,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:17:02" (1/1) ... [2021-11-17 11:17:02,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:17:02" (1/1) ... [2021-11-17 11:17:02,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:17:02" (1/1) ... [2021-11-17 11:17:02,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:17:02" (1/1) ... [2021-11-17 11:17:02,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:17:02" (1/1) ... [2021-11-17 11:17:02,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 11:17:02,729 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 11:17:02,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 11:17:02,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 11:17:02,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:17:02" (1/1) ... [2021-11-17 11:17:02,735 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 11:17:02,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 11:17:02,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-17 11:17:02,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-17 11:17:02,800 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_stop [2021-11-17 11:17:02,800 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_stop [2021-11-17 11:17:02,800 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_desc_avail [2021-11-17 11:17:02,801 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_desc_avail [2021-11-17 11:17:02,801 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_reset_dev [2021-11-17 11:17:02,801 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_reset_dev [2021-11-17 11:17:02,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 11:17:02,801 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 11:17:02,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-11-17 11:17:02,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-11-17 11:17:02,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_82 [2021-11-17 11:17:02,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_82 [2021-11-17 11:17:02,802 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-17 11:17:02,802 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-17 11:17:02,802 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_resume [2021-11-17 11:17:02,802 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_resume [2021-11-17 11:17:02,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 11:17:02,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 11:17:02,802 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-17 11:17:02,802 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-17 11:17:02,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 11:17:02,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 11:17:02,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_vmxnet3_tx_queue [2021-11-17 11:17:02,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_vmxnet3_tx_queue [2021-11-17 11:17:02,803 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-17 11:17:02,803 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-17 11:17:02,803 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-17 11:17:02,803 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-17 11:17:02,803 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-17 11:17:02,803 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-17 11:17:02,804 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 11:17:02,804 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 11:17:02,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_cmd_lock_of_vmxnet3_adapter [2021-11-17 11:17:02,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_cmd_lock_of_vmxnet3_adapter [2021-11-17 11:17:02,804 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_alloc_rx_buf [2021-11-17 11:17:02,804 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_alloc_rx_buf [2021-11-17 11:17:02,804 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-11-17 11:17:02,804 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-11-17 11:17:02,804 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-11-17 11:17:02,805 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-11-17 11:17:02,805 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_get_sset_count [2021-11-17 11:17:02,805 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_get_sset_count [2021-11-17 11:17:02,805 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-17 11:17:02,805 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-17 11:17:02,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 11:17:02,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 11:17:02,805 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-17 11:17:02,806 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-17 11:17:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 11:17:02,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 11:17:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-17 11:17:02,806 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-17 11:17:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 11:17:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-17 11:17:02,806 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-17 11:17:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_restore_vlan [2021-11-17 11:17:02,807 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_restore_vlan [2021-11-17 11:17:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_comp_ring_adv_next2proc [2021-11-17 11:17:02,807 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_comp_ring_adv_next2proc [2021-11-17 11:17:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-17 11:17:02,807 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-17 11:17:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2021-11-17 11:17:02,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2021-11-17 11:17:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-17 11:17:02,807 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-17 11:17:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2021-11-17 11:17:02,808 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2021-11-17 11:17:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 11:17:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-17 11:17:02,808 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-17 11:17:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-17 11:17:02,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-17 11:17:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 11:17:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 11:17:02,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 11:17:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_destroy [2021-11-17 11:17:02,809 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_destroy [2021-11-17 11:17:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 11:17:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_unmap_tx_buf [2021-11-17 11:17:02,809 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_unmap_tx_buf [2021-11-17 11:17:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-17 11:17:02,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-17 11:17:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 11:17:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 11:17:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-17 11:17:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-17 11:17:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-17 11:17:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-17 11:17:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-11-17 11:17:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-11-17 11:17:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-17 11:17:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-17 11:17:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-17 11:17:02,811 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-17 11:17:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-17 11:17:02,811 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-17 11:17:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_destroy [2021-11-17 11:17:02,811 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_destroy [2021-11-17 11:17:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-17 11:17:02,811 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-17 11:17:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_request_irqs [2021-11-17 11:17:02,812 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_request_irqs [2021-11-17 11:17:02,812 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_create [2021-11-17 11:17:02,812 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_create [2021-11-17 11:17:02,812 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-17 11:17:02,812 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-17 11:17:02,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_vmxnet3_tx_queue [2021-11-17 11:17:02,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_vmxnet3_tx_queue [2021-11-17 11:17:02,812 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_enable_intr [2021-11-17 11:17:02,812 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_enable_intr [2021-11-17 11:17:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-17 11:17:02,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-17 11:17:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_remove_device [2021-11-17 11:17:02,813 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_remove_device [2021-11-17 11:17:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 11:17:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-17 11:17:02,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-17 11:17:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-17 11:17:02,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-17 11:17:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-17 11:17:02,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-17 11:17:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-17 11:17:02,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-17 11:17:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-17 11:17:02,814 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-17 11:17:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 11:17:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 11:17:02,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 11:17:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 11:17:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 11:17:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 11:17:02,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 11:17:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 11:17:02,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 11:17:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_irqs [2021-11-17 11:17:02,815 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_irqs [2021-11-17 11:17:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_set_mc [2021-11-17 11:17:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_set_mc [2021-11-17 11:17:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-17 11:17:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-17 11:17:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-17 11:17:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-17 11:17:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-17 11:17:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-17 11:17:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-17 11:17:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-17 11:17:02,817 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_check_link [2021-11-17 11:17:02,817 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_check_link [2021-11-17 11:17:02,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-17 11:17:02,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-17 11:17:02,817 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-11-17 11:17:02,817 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-11-17 11:17:02,817 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_adv_next2fill [2021-11-17 11:17:02,817 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_adv_next2fill [2021-11-17 11:17:02,817 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-17 11:17:02,818 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-17 11:17:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-17 11:17:02,818 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-17 11:17:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_intr_resources [2021-11-17 11:17:02,818 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_intr_resources [2021-11-17 11:17:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_destroy_all [2021-11-17 11:17:02,818 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_destroy_all [2021-11-17 11:17:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 11:17:02,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 11:17:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-17 11:17:02,819 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-17 11:17:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 11:17:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_adjust_rx_ring_size [2021-11-17 11:17:02,819 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_adjust_rx_ring_size [2021-11-17 11:17:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 11:17:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 11:17:02,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 11:17:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-17 11:17:02,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-17 11:17:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-17 11:17:02,820 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-17 11:17:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 11:17:02,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 11:17:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-17 11:17:02,820 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-17 11:17:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-17 11:17:02,820 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-17 11:17:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-17 11:17:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-17 11:17:02,821 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-17 11:17:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-17 11:17:02,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-17 11:17:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_quiesce_dev [2021-11-17 11:17:02,821 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_quiesce_dev [2021-11-17 11:17:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_adv_next2comp [2021-11-17 11:17:02,821 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_adv_next2comp [2021-11-17 11:17:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-17 11:17:02,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-17 11:17:02,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 11:17:02,822 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 11:17:02,822 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_cleanup_all [2021-11-17 11:17:02,822 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_cleanup_all [2021-11-17 11:17:02,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-17 11:17:02,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-17 11:17:02,822 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-17 11:17:02,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-17 11:17:02,822 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-17 11:17:02,823 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-17 11:17:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-17 11:17:02,823 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-17 11:17:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-17 11:17:02,823 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-17 11:17:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 11:17:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-17 11:17:02,823 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-17 11:17:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 11:17:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-11-17 11:17:02,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-11-17 11:17:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-17 11:17:02,824 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-17 11:17:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_disable_intr [2021-11-17 11:17:02,824 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_disable_intr [2021-11-17 11:17:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 11:17:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-17 11:17:02,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-17 11:17:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-17 11:17:02,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-17 11:17:02,825 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_process_events [2021-11-17 11:17:02,825 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_process_events [2021-11-17 11:17:02,825 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 11:17:02,825 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 11:17:02,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-17 11:17:02,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-17 11:17:02,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 11:17:02,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 11:17:02,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-17 11:17:02,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-17 11:17:02,826 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_intr [2021-11-17 11:17:02,826 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_intr [2021-11-17 11:17:02,826 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_destroy_all [2021-11-17 11:17:02,826 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_destroy_all [2021-11-17 11:17:02,826 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-17 11:17:02,826 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-17 11:17:02,826 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2021-11-17 11:17:02,826 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2021-11-17 11:17:02,827 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-17 11:17:02,827 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-17 11:17:02,827 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-17 11:17:02,827 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-17 11:17:02,827 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2021-11-17 11:17:02,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2021-11-17 11:17:02,827 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_pci_resources [2021-11-17 11:17:02,827 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_pci_resources [2021-11-17 11:17:02,827 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 11:17:02,828 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 11:17:02,828 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_disable_all_intrs [2021-11-17 11:17:02,828 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_disable_all_intrs [2021-11-17 11:17:02,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 11:17:02,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_6 [2021-11-17 11:17:02,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_6 [2021-11-17 11:17:02,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 11:17:02,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 11:17:02,828 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_tx_complete [2021-11-17 11:17:02,829 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_tx_complete [2021-11-17 11:17:02,829 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-17 11:17:02,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-17 11:17:02,829 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-17 11:17:02,829 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-17 11:17:02,829 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-17 11:17:02,829 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-17 11:17:02,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vmxnet3_exit_module_19_2 [2021-11-17 11:17:02,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vmxnet3_exit_module_19_2 [2021-11-17 11:17:02,829 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_enable_all_intrs [2021-11-17 11:17:02,830 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_enable_all_intrs [2021-11-17 11:17:02,830 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-17 11:17:02,830 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-17 11:17:02,830 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_create_queues [2021-11-17 11:17:02,830 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_create_queues [2021-11-17 11:17:02,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2021-11-17 11:17:02,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2021-11-17 11:17:02,830 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_force_close [2021-11-17 11:17:02,830 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_force_close [2021-11-17 11:17:02,831 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-17 11:17:02,831 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-17 11:17:02,831 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_alloc_intr_resources [2021-11-17 11:17:02,831 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_alloc_intr_resources [2021-11-17 11:17:02,831 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_activate_dev [2021-11-17 11:17:02,831 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_activate_dev [2021-11-17 11:17:02,831 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_write_mac_addr [2021-11-17 11:17:02,831 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_write_mac_addr [2021-11-17 11:17:02,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 11:17:02,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 11:17:02,832 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-17 11:17:02,832 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-17 11:17:02,832 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-17 11:17:02,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-17 11:17:02,832 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_msix_rx [2021-11-17 11:17:02,832 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_msix_rx [2021-11-17 11:17:02,832 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-17 11:17:02,832 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-17 11:17:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-11-17 11:17:02,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-11-17 11:17:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-17 11:17:02,925 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-17 11:17:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-17 11:17:02,926 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-17 11:17:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-17 11:17:02,926 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-17 11:17:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 11:17:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_get_regs_len [2021-11-17 11:17:02,926 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_get_regs_len [2021-11-17 11:17:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-17 11:17:02,926 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-17 11:17:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-17 11:17:02,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-17 11:17:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_suspend [2021-11-17 11:17:02,926 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_suspend [2021-11-17 11:17:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2021-11-17 11:17:02,926 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2021-11-17 11:17:03,801 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 11:17:03,804 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 11:17:03,976 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 11:28:35,907 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-17 11:28:35,993 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 11:28:36,019 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 11:28:36,019 INFO L301 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-17 11:28:36,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 11:28:36 BoogieIcfgContainer [2021-11-17 11:28:36,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 11:28:36,026 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 11:28:36,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 11:28:36,028 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 11:28:36,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 11:16:58" (1/3) ... [2021-11-17 11:28:36,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c37cd00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 11:28:36, skipping insertion in model container [2021-11-17 11:28:36,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:17:02" (2/3) ... [2021-11-17 11:28:36,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c37cd00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 11:28:36, skipping insertion in model container [2021-11-17 11:28:36,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 11:28:36" (3/3) ... [2021-11-17 11:28:36,031 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i [2021-11-17 11:28:36,034 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 11:28:36,035 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-17 11:28:36,076 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 11:28:36,083 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-17 11:28:36,084 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-17 11:28:36,144 INFO L276 IsEmpty]: Start isEmpty. Operand has 2920 states, 2075 states have (on average 1.2915662650602409) internal successors, (2680), 2111 states have internal predecessors, (2680), 695 states have call successors, (695), 148 states have call predecessors, (695), 147 states have return successors, (684), 678 states have call predecessors, (684), 684 states have call successors, (684) [2021-11-17 11:28:36,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-11-17 11:28:36,165 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:28:36,165 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:28:36,166 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:28:36,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:28:36,174 INFO L85 PathProgramCache]: Analyzing trace with hash 877612621, now seen corresponding path program 1 times [2021-11-17 11:28:36,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:28:36,181 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800176612] [2021-11-17 11:28:36,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:28:36,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:28:36,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:28:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:28:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:37,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:28:37,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:28:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:28:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:28:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:28:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:28:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:28:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:28:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:28:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:28:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:37,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:28:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:37,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:28:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:28:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:28:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:28:37,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:28:37,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:28:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:37,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:28:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:28:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:37,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:28:37,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-17 11:28:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-11-17 11:28:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:37,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2021-11-17 11:28:37,813 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:28:37,815 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800176612] [2021-11-17 11:28:37,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800176612] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:28:37,816 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:28:37,816 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 11:28:37,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962151661] [2021-11-17 11:28:37,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:28:37,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 11:28:37,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:28:37,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 11:28:37,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 11:28:37,852 INFO L87 Difference]: Start difference. First operand has 2920 states, 2075 states have (on average 1.2915662650602409) internal successors, (2680), 2111 states have internal predecessors, (2680), 695 states have call successors, (695), 148 states have call predecessors, (695), 147 states have return successors, (684), 678 states have call predecessors, (684), 684 states have call successors, (684) Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-17 11:28:39,999 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:28:42,452 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:28:46,475 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:28:53,664 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:29:04,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:29:04,643 INFO L93 Difference]: Finished difference Result 8642 states and 12391 transitions. [2021-11-17 11:29:04,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 11:29:04,646 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 270 [2021-11-17 11:29:04,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:29:04,741 INFO L225 Difference]: With dead ends: 8642 [2021-11-17 11:29:04,741 INFO L226 Difference]: Without dead ends: 5752 [2021-11-17 11:29:04,804 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:29:04,813 INFO L933 BasicCegarLoop]: 3996 mSDtfsCounter, 5487 mSDsluCounter, 3852 mSDsCounter, 0 mSdLazyCounter, 2827 mSolverCounterSat, 2275 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6116 SdHoareTripleChecker+Valid, 7848 SdHoareTripleChecker+Invalid, 5106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2275 IncrementalHoareTripleChecker+Valid, 2827 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.9s IncrementalHoareTripleChecker+Time [2021-11-17 11:29:04,815 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6116 Valid, 7848 Invalid, 5106 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2275 Valid, 2827 Invalid, 4 Unknown, 0 Unchecked, 25.9s Time] [2021-11-17 11:29:04,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5752 states. [2021-11-17 11:29:05,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5752 to 5584. [2021-11-17 11:29:05,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5584 states, 3982 states have (on average 1.261928679055751) internal successors, (5025), 4049 states have internal predecessors, (5025), 1309 states have call successors, (1309), 291 states have call predecessors, (1309), 290 states have return successors, (1305), 1293 states have call predecessors, (1305), 1305 states have call successors, (1305) [2021-11-17 11:29:05,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5584 states to 5584 states and 7639 transitions. [2021-11-17 11:29:05,158 INFO L78 Accepts]: Start accepts. Automaton has 5584 states and 7639 transitions. Word has length 270 [2021-11-17 11:29:05,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:29:05,161 INFO L470 AbstractCegarLoop]: Abstraction has 5584 states and 7639 transitions. [2021-11-17 11:29:05,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-17 11:29:05,163 INFO L276 IsEmpty]: Start isEmpty. Operand 5584 states and 7639 transitions. [2021-11-17 11:29:05,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-11-17 11:29:05,171 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:29:05,172 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:29:05,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 11:29:05,172 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:29:05,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:29:05,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1251298824, now seen corresponding path program 1 times [2021-11-17 11:29:05,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:29:05,173 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788915406] [2021-11-17 11:29:05,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:29:05,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:29:05,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:05,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:29:05,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:05,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:05,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:05,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:29:05,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:05,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:05,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:05,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:29:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:05,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:05,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:29:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:05,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:05,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:05,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:29:05,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:05,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:05,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:05,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:29:05,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:05,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:05,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:05,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:29:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:05,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:05,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:29:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:05,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:05,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:29:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:05,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:05,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:29:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:05,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:05,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:05,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:29:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:05,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:05,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:29:05,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:05,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:05,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:05,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:29:05,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:05,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:05,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:05,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:29:05,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:06,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:06,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:29:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:06,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:06,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:06,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:29:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:06,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:06,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:29:06,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:06,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:06,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:29:06,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:06,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:06,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:29:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:06,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:06,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:29:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:06,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:06,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:29:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:06,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:06,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:29:06,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:06,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:06,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-17 11:29:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:06,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-11-17 11:29:06,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:06,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2021-11-17 11:29:06,155 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:29:06,155 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788915406] [2021-11-17 11:29:06,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788915406] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:29:06,156 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:29:06,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 11:29:06,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241267265] [2021-11-17 11:29:06,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:29:06,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 11:29:06,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:29:06,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 11:29:06,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 11:29:06,159 INFO L87 Difference]: Start difference. First operand 5584 states and 7639 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-17 11:29:08,265 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:29:10,703 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:29:14,829 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:29:24,592 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:29:34,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:29:34,712 INFO L93 Difference]: Finished difference Result 16732 states and 23309 transitions. [2021-11-17 11:29:34,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 11:29:34,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 278 [2021-11-17 11:29:34,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:29:34,772 INFO L225 Difference]: With dead ends: 16732 [2021-11-17 11:29:34,773 INFO L226 Difference]: Without dead ends: 11197 [2021-11-17 11:29:34,799 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:29:34,800 INFO L933 BasicCegarLoop]: 4020 mSDtfsCounter, 5352 mSDsluCounter, 3970 mSDsCounter, 0 mSdLazyCounter, 2835 mSolverCounterSat, 2283 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5948 SdHoareTripleChecker+Valid, 7990 SdHoareTripleChecker+Invalid, 5122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2283 IncrementalHoareTripleChecker+Valid, 2835 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.8s IncrementalHoareTripleChecker+Time [2021-11-17 11:29:34,800 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5948 Valid, 7990 Invalid, 5122 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2283 Valid, 2835 Invalid, 4 Unknown, 0 Unchecked, 27.8s Time] [2021-11-17 11:29:34,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11197 states. [2021-11-17 11:29:35,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11197 to 10979. [2021-11-17 11:29:35,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10979 states, 7859 states have (on average 1.2630105611400941) internal successors, (9926), 7997 states have internal predecessors, (9926), 2538 states have call successors, (2538), 568 states have call predecessors, (2538), 579 states have return successors, (2772), 2517 states have call predecessors, (2772), 2534 states have call successors, (2772) [2021-11-17 11:29:35,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10979 states to 10979 states and 15236 transitions. [2021-11-17 11:29:35,170 INFO L78 Accepts]: Start accepts. Automaton has 10979 states and 15236 transitions. Word has length 278 [2021-11-17 11:29:35,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:29:35,171 INFO L470 AbstractCegarLoop]: Abstraction has 10979 states and 15236 transitions. [2021-11-17 11:29:35,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-17 11:29:35,172 INFO L276 IsEmpty]: Start isEmpty. Operand 10979 states and 15236 transitions. [2021-11-17 11:29:35,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-11-17 11:29:35,178 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:29:35,178 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:29:35,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 11:29:35,178 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:29:35,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:29:35,179 INFO L85 PathProgramCache]: Analyzing trace with hash 409795779, now seen corresponding path program 1 times [2021-11-17 11:29:35,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:29:35,180 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434224813] [2021-11-17 11:29:35,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:29:35,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:29:35,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:29:35,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:35,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:29:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:29:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:29:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:29:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:29:35,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:35,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:29:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:35,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:29:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:35,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:29:35,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:29:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:29:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:35,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:29:35,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:29:35,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:35,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:29:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:29:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:35,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:29:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:35,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:29:35,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:35,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:29:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:29:35,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:35,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:29:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:29:35,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:35,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:29:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-17 11:29:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-11-17 11:29:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 11:29:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:35,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 11:29:35,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:36,000 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2021-11-17 11:29:36,000 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:29:36,000 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434224813] [2021-11-17 11:29:36,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434224813] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:29:36,001 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:29:36,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 11:29:36,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694179839] [2021-11-17 11:29:36,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:29:36,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 11:29:36,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:29:36,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 11:29:36,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 11:29:36,003 INFO L87 Difference]: Start difference. First operand 10979 states and 15236 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-17 11:29:38,102 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:29:40,527 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:29:44,273 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:30:02,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:30:02,280 INFO L93 Difference]: Finished difference Result 32955 states and 47014 transitions. [2021-11-17 11:30:02,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 11:30:02,282 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 287 [2021-11-17 11:30:02,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:30:02,533 INFO L225 Difference]: With dead ends: 32955 [2021-11-17 11:30:02,533 INFO L226 Difference]: Without dead ends: 22025 [2021-11-17 11:30:02,587 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:30:02,592 INFO L933 BasicCegarLoop]: 4062 mSDtfsCounter, 5418 mSDsluCounter, 3970 mSDsCounter, 0 mSdLazyCounter, 2854 mSolverCounterSat, 2346 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6014 SdHoareTripleChecker+Valid, 8032 SdHoareTripleChecker+Invalid, 5203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2346 IncrementalHoareTripleChecker+Valid, 2854 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2021-11-17 11:30:02,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6014 Valid, 8032 Invalid, 5203 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2346 Valid, 2854 Invalid, 3 Unknown, 0 Unchecked, 25.2s Time] [2021-11-17 11:30:02,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22025 states. [2021-11-17 11:30:03,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22025 to 21639. [2021-11-17 11:30:03,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21639 states, 15521 states have (on average 1.2624186585915855) internal successors, (19594), 15787 states have internal predecessors, (19594), 4962 states have call successors, (4962), 1126 states have call predecessors, (4962), 1153 states have return successors, (6364), 4925 states have call predecessors, (6364), 4958 states have call successors, (6364) [2021-11-17 11:30:03,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21639 states to 21639 states and 30920 transitions. [2021-11-17 11:30:03,318 INFO L78 Accepts]: Start accepts. Automaton has 21639 states and 30920 transitions. Word has length 287 [2021-11-17 11:30:03,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:30:03,319 INFO L470 AbstractCegarLoop]: Abstraction has 21639 states and 30920 transitions. [2021-11-17 11:30:03,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-17 11:30:03,319 INFO L276 IsEmpty]: Start isEmpty. Operand 21639 states and 30920 transitions. [2021-11-17 11:30:03,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2021-11-17 11:30:03,325 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:30:03,325 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 22, 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, 1, 1, 1, 1, 1, 1] [2021-11-17 11:30:03,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 11:30:03,326 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:30:03,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:30:03,326 INFO L85 PathProgramCache]: Analyzing trace with hash -332074563, now seen corresponding path program 1 times [2021-11-17 11:30:03,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:30:03,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634096673] [2021-11-17 11:30:03,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:30:03,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:30:03,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:03,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:30:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:03,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:03,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:30:03,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:03,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:03,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:30:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:03,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:03,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:30:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:03,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:03,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:30:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:03,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:03,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:03,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:30:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:03,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:03,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:30:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:03,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:03,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:30:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:03,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:03,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:30:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:03,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:03,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:30:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:03,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:03,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:30:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:03,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:03,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:30:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:03,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:03,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:30:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:04,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:04,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:30:04,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:04,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:04,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:04,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:30:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:04,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:04,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:30:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:04,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:04,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:30:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:04,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:04,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:30:04,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:04,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:04,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:30:04,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:04,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:04,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:30:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:04,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:04,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:30:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:04,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:04,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:30:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:04,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:04,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-17 11:30:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:04,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 11:30:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:04,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:04,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 11:30:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:04,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 11:30:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:04,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-17 11:30:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:04,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2149 trivial. 0 not checked. [2021-11-17 11:30:04,163 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:30:04,163 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634096673] [2021-11-17 11:30:04,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634096673] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:30:04,163 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:30:04,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 11:30:04,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431622360] [2021-11-17 11:30:04,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:30:04,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 11:30:04,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:30:04,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 11:30:04,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 11:30:04,165 INFO L87 Difference]: Start difference. First operand 21639 states and 30920 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-11-17 11:30:06,450 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:30:08,854 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:30:12,681 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:30:22,653 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:30:32,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:30:32,076 INFO L93 Difference]: Finished difference Result 62691 states and 90340 transitions. [2021-11-17 11:30:32,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 11:30:32,077 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 296 [2021-11-17 11:30:32,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:30:32,321 INFO L225 Difference]: With dead ends: 62691 [2021-11-17 11:30:32,321 INFO L226 Difference]: Without dead ends: 41101 [2021-11-17 11:30:32,439 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:30:32,441 INFO L933 BasicCegarLoop]: 3916 mSDtfsCounter, 5039 mSDsluCounter, 3781 mSDsCounter, 0 mSdLazyCounter, 2798 mSolverCounterSat, 2243 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5615 SdHoareTripleChecker+Valid, 7697 SdHoareTripleChecker+Invalid, 5045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2243 IncrementalHoareTripleChecker+Valid, 2798 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.7s IncrementalHoareTripleChecker+Time [2021-11-17 11:30:32,442 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5615 Valid, 7697 Invalid, 5045 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2243 Valid, 2798 Invalid, 4 Unknown, 0 Unchecked, 26.7s Time] [2021-11-17 11:30:32,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41101 states. [2021-11-17 11:30:34,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41101 to 40527. [2021-11-17 11:30:34,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40527 states, 28993 states have (on average 1.2599593005208154) internal successors, (36530), 29515 states have internal predecessors, (36530), 9274 states have call successors, (9274), 2210 states have call predecessors, (9274), 2257 states have return successors, (12090), 9177 states have call predecessors, (12090), 9270 states have call successors, (12090) [2021-11-17 11:30:34,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40527 states to 40527 states and 57894 transitions. [2021-11-17 11:30:34,353 INFO L78 Accepts]: Start accepts. Automaton has 40527 states and 57894 transitions. Word has length 296 [2021-11-17 11:30:34,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:30:34,357 INFO L470 AbstractCegarLoop]: Abstraction has 40527 states and 57894 transitions. [2021-11-17 11:30:34,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-11-17 11:30:34,358 INFO L276 IsEmpty]: Start isEmpty. Operand 40527 states and 57894 transitions. [2021-11-17 11:30:34,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2021-11-17 11:30:34,363 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:30:34,363 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:30:34,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 11:30:34,364 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:30:34,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:30:34,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1079591190, now seen corresponding path program 1 times [2021-11-17 11:30:34,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:30:34,364 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366719605] [2021-11-17 11:30:34,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:30:34,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:30:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:34,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:30:34,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:34,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:30:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:35,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:30:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:35,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:30:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:35,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:30:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:30:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:30:35,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:30:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:30:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:30:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:30:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:30:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:35,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:30:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:30:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:30:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:30:35,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:35,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:30:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:30:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:30:35,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:30:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:30:35,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:30:35,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-17 11:30:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 11:30:35,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-11-17 11:30:35,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:35,378 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2021-11-17 11:30:35,378 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:30:35,378 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366719605] [2021-11-17 11:30:35,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366719605] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:30:35,379 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:30:35,379 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 11:30:35,379 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328612693] [2021-11-17 11:30:35,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:30:35,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 11:30:35,380 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:30:35,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 11:30:35,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:30:35,380 INFO L87 Difference]: Start difference. First operand 40527 states and 57894 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-17 11:30:37,486 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:30:39,922 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:30:42,348 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:30:51,977 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:30:58,049 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:31:00,074 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15