./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.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 fdbc5180119fad988a6a3a24d2f5ed804cbc2cd6d0e7bbb402b6d4dd37802e45 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:33:17,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:33:17,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:33:17,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:33:17,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:33:17,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:33:17,607 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:33:17,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:33:17,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:33:17,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:33:17,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:33:17,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:33:17,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:33:17,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:33:17,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:33:17,622 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:33:17,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:33:17,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:33:17,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:33:17,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:33:17,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:33:17,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:33:17,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:33:17,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:33:17,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:33:17,639 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:33:17,639 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:33:17,640 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:33:17,641 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:33:17,642 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:33:17,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:33:17,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:33:17,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:33:17,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:33:17,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:33:17,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:33:17,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:33:17,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:33:17,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:33:17,648 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:33:17,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:33:17,649 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:33:17,679 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:33:17,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:33:17,680 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:33:17,680 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:33:17,681 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:33:17,681 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:33:17,681 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:33:17,681 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:33:17,681 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:33:17,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:33:17,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:33:17,682 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:33:17,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:33:17,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:33:17,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:33:17,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:33:17,683 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:33:17,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:33:17,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:33:17,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:33:17,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:33:17,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:33:17,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:33:17,684 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:33:17,684 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:33:17,685 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:33:17,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:33:17,686 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:33:17,686 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:33:17,686 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:33:17,686 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:33:17,686 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdbc5180119fad988a6a3a24d2f5ed804cbc2cd6d0e7bbb402b6d4dd37802e45 [2021-12-22 15:33:17,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:33:17,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:33:17,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:33:17,912 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:33:17,913 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:33:17,914 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i [2021-12-22 15:33:17,974 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/841eca5af/0bc7091a59294692b2e71613161c9c1b/FLAGcb4b1735a [2021-12-22 15:33:18,597 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:33:18,597 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i [2021-12-22 15:33:18,642 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/841eca5af/0bc7091a59294692b2e71613161c9c1b/FLAGcb4b1735a [2021-12-22 15:33:18,947 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/841eca5af/0bc7091a59294692b2e71613161c9c1b [2021-12-22 15:33:18,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:33:18,950 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:33:18,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:33:18,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:33:18,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:33:18,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:33:18" (1/1) ... [2021-12-22 15:33:18,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5804c3b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:18, skipping insertion in model container [2021-12-22 15:33:18,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:33:18" (1/1) ... [2021-12-22 15:33:18,960 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:33:19,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:33:21,351 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394320,394333] [2021-12-22 15:33:21,353 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394489,394502] [2021-12-22 15:33:21,353 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394656,394669] [2021-12-22 15:33:21,354 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394824,394837] [2021-12-22 15:33:21,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:33:21,388 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:33:21,999 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394320,394333] [2021-12-22 15:33:22,000 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394489,394502] [2021-12-22 15:33:22,000 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394656,394669] [2021-12-22 15:33:22,001 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394824,394837] [2021-12-22 15:33:22,006 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:33:22,177 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:33:22,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:22 WrapperNode [2021-12-22 15:33:22,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:33:22,179 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:33:22,179 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:33:22,179 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:33:22,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:22" (1/1) ... [2021-12-22 15:33:22,267 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:22" (1/1) ... [2021-12-22 15:33:22,422 INFO L137 Inliner]: procedures = 495, calls = 2611, calls flagged for inlining = 242, calls inlined = 227, statements flattened = 5038 [2021-12-22 15:33:22,422 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:33:22,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:33:22,423 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:33:22,423 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:33:22,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:22" (1/1) ... [2021-12-22 15:33:22,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:22" (1/1) ... [2021-12-22 15:33:22,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:22" (1/1) ... [2021-12-22 15:33:22,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:22" (1/1) ... [2021-12-22 15:33:22,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:22" (1/1) ... [2021-12-22 15:33:22,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:22" (1/1) ... [2021-12-22 15:33:22,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:22" (1/1) ... [2021-12-22 15:33:22,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:33:22,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:33:22,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:33:22,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:33:22,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:22" (1/1) ... [2021-12-22 15:33:22,703 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:33:22,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:33:22,721 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 15:33:22,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 15:33:22,748 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_running_reset [2021-12-22 15:33:22,748 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_running_reset [2021-12-22 15:33:22,748 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-22 15:33:22,748 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-22 15:33:22,749 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_crc_length [2021-12-22 15:33:22,749 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_crc_length [2021-12-22 15:33:22,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:33:22,749 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:33:22,749 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dec_reset [2021-12-22 15:33:22,749 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dec_reset [2021-12-22 15:33:22,749 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_get_link_status [2021-12-22 15:33:22,749 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_get_link_status [2021-12-22 15:33:22,750 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-22 15:33:22,750 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-22 15:33:22,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:33:22,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:33:22,750 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_default [2021-12-22 15:33:22,750 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_default [2021-12-22 15:33:22,750 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkinput [2021-12-22 15:33:22,750 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkinput [2021-12-22 15:33:22,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-22 15:33:22,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-22 15:33:22,751 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_status [2021-12-22 15:33:22,751 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_status [2021-12-22 15:33:22,751 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_100ft [2021-12-22 15:33:22,751 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_100ft [2021-12-22 15:33:22,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_64 [2021-12-22 15:33:22,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_64 [2021-12-22 15:33:22,751 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dummy_set_1 [2021-12-22 15:33:22,751 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dummy_set_1 [2021-12-22 15:33:22,752 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-22 15:33:22,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-22 15:33:22,752 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_close [2021-12-22 15:33:22,752 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_close [2021-12-22 15:33:22,752 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_watchdog [2021-12-22 15:33:22,752 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_watchdog [2021-12-22 15:33:22,753 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_reset [2021-12-22 15:33:22,753 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_reset [2021-12-22 15:33:22,753 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_sc [2021-12-22 15:33:22,753 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_sc [2021-12-22 15:33:22,753 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_netif [2021-12-22 15:33:22,754 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_netif [2021-12-22 15:33:22,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:33:22,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 15:33:22,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:33:22,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:33:22,754 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_trace [2021-12-22 15:33:22,754 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_trace [2021-12-22 15:33:22,755 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_get_link_status [2021-12-22 15:33:22,755 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_get_link_status [2021-12-22 15:33:22,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:33:22,756 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-22 15:33:22,756 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-22 15:33:22,756 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 15:33:22,757 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 15:33:22,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:33:22,757 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-22 15:33:22,757 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-22 15:33:22,757 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_default [2021-12-22 15:33:22,757 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_default [2021-12-22 15:33:22,757 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_clock [2021-12-22 15:33:22,757 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_clock [2021-12-22 15:33:22,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:33:22,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 15:33:22,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 15:33:22,758 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_off [2021-12-22 15:33:22,758 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_off [2021-12-22 15:33:22,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:33:22,759 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2021-12-22 15:33:22,759 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2021-12-22 15:33:22,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-22 15:33:22,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-22 15:33:22,759 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_default [2021-12-22 15:33:22,759 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_default [2021-12-22 15:33:22,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-22 15:33:22,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-22 15:33:22,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-22 15:33:22,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-22 15:33:22,760 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_softreset [2021-12-22 15:33:22,760 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_softreset [2021-12-22 15:33:22,760 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110_bit [2021-12-22 15:33:22,760 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110_bit [2021-12-22 15:33:22,760 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-22 15:33:22,761 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-22 15:33:22,761 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-22 15:33:22,761 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-22 15:33:22,761 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_crc_length [2021-12-22 15:33:22,761 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_crc_length [2021-12-22 15:33:22,761 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_writereg [2021-12-22 15:33:22,762 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_writereg [2021-12-22 15:33:22,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-22 15:33:22,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-22 15:33:22,762 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-12-22 15:33:22,762 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-12-22 15:33:22,762 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_status [2021-12-22 15:33:22,762 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_status [2021-12-22 15:33:22,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:33:22,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-22 15:33:22,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-22 15:33:22,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-22 15:33:22,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-22 15:33:22,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:33:22,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 15:33:22,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 15:33:22,763 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 15:33:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 15:33:22,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lmc_lock_of_lmc___softc [2021-12-22 15:33:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lmc_lock_of_lmc___softc [2021-12-22 15:33:22,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:33:22,764 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_readreg [2021-12-22 15:33:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_readreg [2021-12-22 15:33:22,765 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:33:22,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:33:22,767 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-22 15:33:22,767 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-22 15:33:22,767 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:33:22,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:33:22,768 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_init [2021-12-22 15:33:22,768 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_init [2021-12-22 15:33:22,768 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-22 15:33:22,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-22 15:33:22,768 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_open [2021-12-22 15:33:22,772 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_open [2021-12-22 15:33:22,773 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-22 15:33:22,773 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-22 15:33:22,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-22 15:33:22,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-22 15:33:22,773 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_watchdog [2021-12-22 15:33:22,773 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_watchdog [2021-12-22 15:33:22,773 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_status [2021-12-22 15:33:22,773 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_status [2021-12-22 15:33:22,773 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_set_protocol [2021-12-22 15:33:22,774 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_set_protocol [2021-12-22 15:33:22,774 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_clock [2021-12-22 15:33:22,774 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_clock [2021-12-22 15:33:22,774 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-12-22 15:33:22,774 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-12-22 15:33:22,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:33:22,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:33:22,774 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_open [2021-12-22 15:33:22,774 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_open [2021-12-22 15:33:22,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:33:22,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:33:22,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:33:22,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:33:22,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_lmc_driver_exit_17_2 [2021-12-22 15:33:22,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_lmc_driver_exit_17_2 [2021-12-22 15:33:22,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-22 15:33:22,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-22 15:33:22,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-22 15:33:22,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-22 15:33:22,775 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_get_link_status [2021-12-22 15:33:22,775 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_get_link_status [2021-12-22 15:33:22,776 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_circuit_type [2021-12-22 15:33:22,776 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_circuit_type [2021-12-22 15:33:22,776 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_status [2021-12-22 15:33:22,776 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_status [2021-12-22 15:33:22,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:33:22,776 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:33:22,776 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_get_link_status [2021-12-22 15:33:22,776 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_get_link_status [2021-12-22 15:33:22,776 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_init [2021-12-22 15:33:22,776 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_init [2021-12-22 15:33:22,777 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 15:33:22,777 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 15:33:22,777 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_scram [2021-12-22 15:33:22,777 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_scram [2021-12-22 15:33:22,777 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_init [2021-12-22 15:33:22,777 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_init [2021-12-22 15:33:22,777 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkoutput [2021-12-22 15:33:22,777 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkoutput [2021-12-22 15:33:22,777 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-22 15:33:22,777 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-22 15:33:22,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:33:22,778 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_driver_timeout [2021-12-22 15:33:22,778 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_driver_timeout [2021-12-22 15:33:22,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lmc_lock_of_lmc___softc [2021-12-22 15:33:22,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lmc_lock_of_lmc___softc [2021-12-22 15:33:22,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:33:22,778 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-22 15:33:22,778 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-22 15:33:22,779 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110 [2021-12-22 15:33:22,779 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110 [2021-12-22 15:33:22,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:33:22,779 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-22 15:33:22,779 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-22 15:33:22,779 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_speed [2021-12-22 15:33:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_speed [2021-12-22 15:33:22,780 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_crc_length [2021-12-22 15:33:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_crc_length [2021-12-22 15:33:22,780 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:33:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:33:22,780 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_type [2021-12-22 15:33:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_type [2021-12-22 15:33:22,780 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_remove_one [2021-12-22 15:33:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_remove_one [2021-12-22 15:33:22,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 15:33:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 15:33:22,781 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-12-22 15:33:22,781 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-12-22 15:33:22,781 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_write [2021-12-22 15:33:22,781 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_write [2021-12-22 15:33:22,781 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_close [2021-12-22 15:33:22,781 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_close [2021-12-22 15:33:22,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 15:33:22,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 15:33:22,781 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-22 15:33:22,781 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-22 15:33:22,782 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 15:33:22,782 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 15:33:22,782 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_link_status [2021-12-22 15:33:22,782 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_link_status [2021-12-22 15:33:22,782 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_watchdog [2021-12-22 15:33:22,782 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_watchdog [2021-12-22 15:33:22,782 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:33:22,782 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:33:22,782 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_watchdog [2021-12-22 15:33:22,782 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_watchdog [2021-12-22 15:33:22,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:33:22,783 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-12-22 15:33:22,783 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-12-22 15:33:22,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:33:22,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:33:22,783 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_link_status [2021-12-22 15:33:22,783 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_link_status [2021-12-22 15:33:22,783 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_init [2021-12-22 15:33:22,783 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_init [2021-12-22 15:33:22,783 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_attach [2021-12-22 15:33:22,783 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_attach [2021-12-22 15:33:22,784 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_default [2021-12-22 15:33:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_default [2021-12-22 15:33:22,784 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-22 15:33:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-22 15:33:22,784 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_crc_length [2021-12-22 15:33:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_crc_length [2021-12-22 15:33:22,784 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_clock [2021-12-22 15:33:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_clock [2021-12-22 15:33:22,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 15:33:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 15:33:22,785 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dummy_set2_1 [2021-12-22 15:33:22,787 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dummy_set2_1 [2021-12-22 15:33:22,787 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_on [2021-12-22 15:33:22,787 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_on [2021-12-22 15:33:22,788 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-12-22 15:33:22,788 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-12-22 15:33:22,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:33:22,788 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-22 15:33:22,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-22 15:33:22,788 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2021-12-22 15:33:22,789 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2021-12-22 15:33:22,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-22 15:33:22,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-22 15:33:22,790 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2021-12-22 15:33:22,790 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2021-12-22 15:33:23,528 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:33:23,530 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:33:23,804 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:33:24,742 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: call #t~mem1247#1.base, #t~mem1247#1.offset := read~$Pointer$(~sc#1.base, 141 + ~sc#1.offset, 8); [2021-12-22 15:33:24,743 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L12881: SUMMARY for call lmc_trace(#t~mem1247#1.base, #t~mem1247#1.offset, 129, 0); srcloc: null [2021-12-22 15:33:24,743 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L12881-1: havoc #t~mem1247#1.base, #t~mem1247#1.offset; [2021-12-22 15:33:27,885 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-22 15:33:28,002 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:33:28,023 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:33:28,023 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 15:33:28,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:33:28 BoogieIcfgContainer [2021-12-22 15:33:28,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:33:28,029 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:33:28,029 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:33:28,032 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:33:28,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:33:18" (1/3) ... [2021-12-22 15:33:28,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d172c00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:33:28, skipping insertion in model container [2021-12-22 15:33:28,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:33:22" (2/3) ... [2021-12-22 15:33:28,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d172c00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:33:28, skipping insertion in model container [2021-12-22 15:33:28,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:33:28" (3/3) ... [2021-12-22 15:33:28,034 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i [2021-12-22 15:33:28,038 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:33:28,038 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-22 15:33:28,088 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:33:28,094 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 15:33:28,095 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-22 15:33:28,150 INFO L276 IsEmpty]: Start isEmpty. Operand has 2514 states, 1621 states have (on average 1.2874768661320173) internal successors, (2087), 1691 states have internal predecessors, (2087), 772 states have call successors, (772), 119 states have call predecessors, (772), 118 states have return successors, (765), 722 states have call predecessors, (765), 765 states have call successors, (765) [2021-12-22 15:33:28,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-12-22 15:33:28,171 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:33:28,172 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:33:28,173 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-22 15:33:28,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:33:28,177 INFO L85 PathProgramCache]: Analyzing trace with hash 548688897, now seen corresponding path program 1 times [2021-12-22 15:33:28,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:33:28,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507368878] [2021-12-22 15:33:28,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:33:28,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:33:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:28,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:33:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:28,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:28,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:33:28,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:28,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:28,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:33:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:28,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:28,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:33:28,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:28,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:28,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:33:28,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:28,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:28,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:33:28,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:28,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:28,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:28,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:33:28,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:28,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:28,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:33:28,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:28,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:28,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:28,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:33:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:28,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:28,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:33:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:28,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:28,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:28,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:33:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:28,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:28,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:28,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:33:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:28,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:28,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:33:28,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:28,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:28,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:33:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:28,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:28,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:28,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:33:28,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:28,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:28,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-22 15:33:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:28,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-22 15:33:29,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:29,057 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-22 15:33:29,057 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:33:29,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507368878] [2021-12-22 15:33:29,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507368878] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:33:29,058 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:33:29,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:33:29,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073840307] [2021-12-22 15:33:29,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:33:29,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:33:29,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:33:29,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:33:29,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:33:29,087 INFO L87 Difference]: Start difference. First operand has 2514 states, 1621 states have (on average 1.2874768661320173) internal successors, (2087), 1691 states have internal predecessors, (2087), 772 states have call successors, (772), 119 states have call predecessors, (772), 118 states have return successors, (765), 722 states have call predecessors, (765), 765 states have call successors, (765) Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-22 15:33:35,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:33:35,104 INFO L93 Difference]: Finished difference Result 7548 states and 11067 transitions. [2021-12-22 15:33:35,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:33:35,108 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 195 [2021-12-22 15:33:35,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:33:35,154 INFO L225 Difference]: With dead ends: 7548 [2021-12-22 15:33:35,154 INFO L226 Difference]: Without dead ends: 5058 [2021-12-22 15:33:35,180 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:33:35,183 INFO L933 BasicCegarLoop]: 3659 mSDtfsCounter, 4397 mSDsluCounter, 3538 mSDsCounter, 0 mSdLazyCounter, 2843 mSolverCounterSat, 2642 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5134 SdHoareTripleChecker+Valid, 7197 SdHoareTripleChecker+Invalid, 5485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2642 IncrementalHoareTripleChecker+Valid, 2843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2021-12-22 15:33:35,185 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5134 Valid, 7197 Invalid, 5485 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2642 Valid, 2843 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2021-12-22 15:33:35,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5058 states. [2021-12-22 15:33:35,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5058 to 4866. [2021-12-22 15:33:35,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4866 states, 3151 states have (on average 1.2865756902570613) internal successors, (4054), 3290 states have internal predecessors, (4054), 1480 states have call successors, (1480), 233 states have call predecessors, (1480), 232 states have return successors, (1476), 1390 states have call predecessors, (1476), 1476 states have call successors, (1476) [2021-12-22 15:33:35,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4866 states to 4866 states and 7010 transitions. [2021-12-22 15:33:35,463 INFO L78 Accepts]: Start accepts. Automaton has 4866 states and 7010 transitions. Word has length 195 [2021-12-22 15:33:35,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:33:35,464 INFO L470 AbstractCegarLoop]: Abstraction has 4866 states and 7010 transitions. [2021-12-22 15:33:35,464 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-22 15:33:35,465 INFO L276 IsEmpty]: Start isEmpty. Operand 4866 states and 7010 transitions. [2021-12-22 15:33:35,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-12-22 15:33:35,470 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:33:35,470 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:33:35,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:33:35,471 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-22 15:33:35,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:33:35,471 INFO L85 PathProgramCache]: Analyzing trace with hash -191221453, now seen corresponding path program 1 times [2021-12-22 15:33:35,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:33:35,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102218833] [2021-12-22 15:33:35,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:33:35,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:33:35,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:35,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:33:35,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:35,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:35,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:35,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:33:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:35,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:35,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:35,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:33:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:35,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:35,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:35,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:33:35,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:35,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:35,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:35,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:33:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:35,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:35,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:35,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:33:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:35,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:35,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:33:35,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:35,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:35,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:33:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:35,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:35,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:33:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:35,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:35,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:33:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:35,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:35,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:35,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:33:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:35,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:35,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:33:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:35,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:35,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:35,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:33:35,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:35,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:35,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:35,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:33:35,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:35,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:35,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:33:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:35,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:35,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-22 15:33:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:35,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-22 15:33:35,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:35,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-22 15:33:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:35,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:35,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-22 15:33:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:35,842 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-22 15:33:35,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:33:35,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102218833] [2021-12-22 15:33:35,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102218833] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:33:35,842 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:33:35,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:33:35,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261977099] [2021-12-22 15:33:35,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:33:35,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:33:35,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:33:35,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:33:35,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:33:35,845 INFO L87 Difference]: Start difference. First operand 4866 states and 7010 transitions. 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, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-22 15:33:41,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:33:41,559 INFO L93 Difference]: Finished difference Result 14528 states and 21033 transitions. [2021-12-22 15:33:41,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:33:41,559 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, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 206 [2021-12-22 15:33:41,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:33:41,622 INFO L225 Difference]: With dead ends: 14528 [2021-12-22 15:33:41,622 INFO L226 Difference]: Without dead ends: 9697 [2021-12-22 15:33:41,654 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:33:41,655 INFO L933 BasicCegarLoop]: 3647 mSDtfsCounter, 4188 mSDsluCounter, 3589 mSDsCounter, 0 mSdLazyCounter, 2796 mSolverCounterSat, 2645 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4893 SdHoareTripleChecker+Valid, 7236 SdHoareTripleChecker+Invalid, 5441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2645 IncrementalHoareTripleChecker+Valid, 2796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2021-12-22 15:33:41,656 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4893 Valid, 7236 Invalid, 5441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2645 Valid, 2796 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2021-12-22 15:33:41,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9697 states. [2021-12-22 15:33:42,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9697 to 9303. [2021-12-22 15:33:42,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9303 states, 6000 states have (on average 1.2845) internal successors, (7707), 6276 states have internal predecessors, (7707), 2843 states have call successors, (2843), 454 states have call predecessors, (2843), 457 states have return successors, (2879), 2660 states have call predecessors, (2879), 2839 states have call successors, (2879) [2021-12-22 15:33:42,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9303 states to 9303 states and 13429 transitions. [2021-12-22 15:33:42,098 INFO L78 Accepts]: Start accepts. Automaton has 9303 states and 13429 transitions. Word has length 206 [2021-12-22 15:33:42,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:33:42,099 INFO L470 AbstractCegarLoop]: Abstraction has 9303 states and 13429 transitions. [2021-12-22 15:33:42,099 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, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-22 15:33:42,099 INFO L276 IsEmpty]: Start isEmpty. Operand 9303 states and 13429 transitions. [2021-12-22 15:33:42,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-12-22 15:33:42,104 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:33:42,104 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:33:42,104 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:33:42,104 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-22 15:33:42,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:33:42,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1067608892, now seen corresponding path program 1 times [2021-12-22 15:33:42,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:33:42,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967908719] [2021-12-22 15:33:42,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:33:42,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:33:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:42,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:33:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:42,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:42,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:33:42,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:42,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:42,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:42,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:33:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:42,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:42,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:33:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:42,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:42,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:33:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:42,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:42,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:33:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:42,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:42,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:33:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:42,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:42,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:33:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:42,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:42,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:33:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:42,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:42,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:42,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:33:42,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:42,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:42,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:33:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:42,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:42,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:33:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:42,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:42,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:33:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:42,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:42,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:33:42,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:42,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:42,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:33:42,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:42,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:42,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-22 15:33:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:42,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-22 15:33:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:42,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:42,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-22 15:33:42,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:42,486 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-22 15:33:42,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:33:42,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967908719] [2021-12-22 15:33:42,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967908719] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:33:42,486 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:33:42,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:33:42,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689235232] [2021-12-22 15:33:42,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:33:42,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:33:42,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:33:42,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:33:42,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:33:42,488 INFO L87 Difference]: Start difference. First operand 9303 states and 13429 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-22 15:33:48,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:33:48,183 INFO L93 Difference]: Finished difference Result 27015 states and 39040 transitions. [2021-12-22 15:33:48,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:33:48,184 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 214 [2021-12-22 15:33:48,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:33:48,314 INFO L225 Difference]: With dead ends: 27015 [2021-12-22 15:33:48,315 INFO L226 Difference]: Without dead ends: 17747 [2021-12-22 15:33:48,383 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:33:48,388 INFO L933 BasicCegarLoop]: 3637 mSDtfsCounter, 3981 mSDsluCounter, 3595 mSDsCounter, 0 mSdLazyCounter, 2719 mSolverCounterSat, 2537 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4585 SdHoareTripleChecker+Valid, 7232 SdHoareTripleChecker+Invalid, 5256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2537 IncrementalHoareTripleChecker+Valid, 2719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-12-22 15:33:48,391 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4585 Valid, 7232 Invalid, 5256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2537 Valid, 2719 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-12-22 15:33:48,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17747 states. [2021-12-22 15:33:49,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17747 to 17329. [2021-12-22 15:33:49,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17329 states, 11206 states have (on average 1.2795823665893271) internal successors, (14339), 11732 states have internal predecessors, (14339), 5195 states have call successors, (5195), 886 states have call predecessors, (5195), 925 states have return successors, (5451), 4850 states have call predecessors, (5451), 5191 states have call successors, (5451) [2021-12-22 15:33:49,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17329 states to 17329 states and 24985 transitions. [2021-12-22 15:33:49,192 INFO L78 Accepts]: Start accepts. Automaton has 17329 states and 24985 transitions. Word has length 214 [2021-12-22 15:33:49,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:33:49,193 INFO L470 AbstractCegarLoop]: Abstraction has 17329 states and 24985 transitions. [2021-12-22 15:33:49,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-22 15:33:49,194 INFO L276 IsEmpty]: Start isEmpty. Operand 17329 states and 24985 transitions. [2021-12-22 15:33:49,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-12-22 15:33:49,199 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:33:49,200 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:33:49,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 15:33:49,201 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)] === [2021-12-22 15:33:49,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:33:49,201 INFO L85 PathProgramCache]: Analyzing trace with hash -368191363, now seen corresponding path program 1 times [2021-12-22 15:33:49,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:33:49,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421537150] [2021-12-22 15:33:49,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:33:49,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:33:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:49,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:33:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:49,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:49,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:33:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:49,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:49,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:49,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:33:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:49,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:49,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:33:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:49,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:49,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:33:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:49,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:49,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:33:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:49,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:49,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:33:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:49,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:49,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:33:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:49,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:49,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:33:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:49,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:49,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:33:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:49,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:49,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:33:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:49,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:49,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:49,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:33:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:49,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:49,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:33:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:49,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:49,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:33:49,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:49,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:49,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:49,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:33:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:49,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:49,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-22 15:33:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:49,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-22 15:33:49,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:49,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-22 15:33:49,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:49,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:49,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-22 15:33:49,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:49,583 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-22 15:33:49,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:33:49,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421537150] [2021-12-22 15:33:49,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421537150] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:33:49,584 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:33:49,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:33:49,584 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120527250] [2021-12-22 15:33:49,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:33:49,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:33:49,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:33:49,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:33:49,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:33:49,585 INFO L87 Difference]: Start difference. First operand 17329 states and 24985 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-22 15:33:55,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:33:55,640 INFO L93 Difference]: Finished difference Result 51913 states and 74964 transitions. [2021-12-22 15:33:55,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:33:55,641 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 212 [2021-12-22 15:33:55,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:33:55,839 INFO L225 Difference]: With dead ends: 51913 [2021-12-22 15:33:55,839 INFO L226 Difference]: Without dead ends: 34619 [2021-12-22 15:33:55,919 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:33:55,921 INFO L933 BasicCegarLoop]: 3785 mSDtfsCounter, 4307 mSDsluCounter, 3643 mSDsCounter, 0 mSdLazyCounter, 2754 mSolverCounterSat, 2630 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5024 SdHoareTripleChecker+Valid, 7428 SdHoareTripleChecker+Invalid, 5384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2630 IncrementalHoareTripleChecker+Valid, 2754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-12-22 15:33:55,922 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5024 Valid, 7428 Invalid, 5384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2630 Valid, 2754 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2021-12-22 15:33:55,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34619 states. [2021-12-22 15:33:57,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34619 to 33803. [2021-12-22 15:33:57,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33803 states, 21842 states have (on average 1.2804230381833166) internal successors, (27967), 22890 states have internal predecessors, (27967), 10135 states have call successors, (10135), 1754 states have call predecessors, (10135), 1823 states have return successors, (10641), 9430 states have call predecessors, (10641), 10131 states have call successors, (10641) [2021-12-22 15:33:57,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33803 states to 33803 states and 48743 transitions. [2021-12-22 15:33:57,322 INFO L78 Accepts]: Start accepts. Automaton has 33803 states and 48743 transitions. Word has length 212 [2021-12-22 15:33:57,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:33:57,323 INFO L470 AbstractCegarLoop]: Abstraction has 33803 states and 48743 transitions. [2021-12-22 15:33:57,323 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-22 15:33:57,323 INFO L276 IsEmpty]: Start isEmpty. Operand 33803 states and 48743 transitions. [2021-12-22 15:33:57,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-12-22 15:33:57,328 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:33:57,329 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:33:57,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 15:33:57,329 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)] === [2021-12-22 15:33:57,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:33:57,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1034672557, now seen corresponding path program 1 times [2021-12-22 15:33:57,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:33:57,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017032843] [2021-12-22 15:33:57,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:33:57,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:33:57,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:33:57,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:57,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:33:57,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:57,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:33:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:57,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:33:57,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:57,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:33:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:33:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:33:57,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:57,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:33:57,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:57,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:33:57,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:33:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:33:57,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:33:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:57,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:33:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:33:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:57,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:33:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-22 15:33:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-22 15:33:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:33:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-22 15:33:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:33:57,705 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-22 15:33:57,706 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:33:57,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017032843] [2021-12-22 15:33:57,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017032843] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:33:57,706 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:33:57,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 15:33:57,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593693033] [2021-12-22 15:33:57,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:33:57,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 15:33:57,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:33:57,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 15:33:57,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-22 15:33:57,708 INFO L87 Difference]: Start difference. First operand 33803 states and 48743 transitions. Second operand has 7 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-22 15:34:10,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:34:10,509 INFO L93 Difference]: Finished difference Result 88985 states and 128405 transitions. [2021-12-22 15:34:10,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-22 15:34:10,509 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 212 [2021-12-22 15:34:10,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:34:10,929 INFO L225 Difference]: With dead ends: 88985 [2021-12-22 15:34:10,929 INFO L226 Difference]: Without dead ends: 55217 [2021-12-22 15:34:11,125 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-12-22 15:34:11,125 INFO L933 BasicCegarLoop]: 4817 mSDtfsCounter, 12849 mSDsluCounter, 5720 mSDsCounter, 0 mSdLazyCounter, 8297 mSolverCounterSat, 8255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14205 SdHoareTripleChecker+Valid, 10537 SdHoareTripleChecker+Invalid, 16552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8255 IncrementalHoareTripleChecker+Valid, 8297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2021-12-22 15:34:11,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14205 Valid, 10537 Invalid, 16552 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8255 Valid, 8297 Invalid, 0 Unknown, 0 Unchecked, 10.7s Time] [2021-12-22 15:34:11,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55217 states. [2021-12-22 15:34:12,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55217 to 53701. [2021-12-22 15:34:13,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53701 states, 34667 states have (on average 1.2824299766348402) internal successors, (44458), 36441 states have internal predecessors, (44458), 16056 states have call successors, (16056), 2872 states have call predecessors, (16056), 2975 states have return successors, (16640), 14805 states have call predecessors, (16640), 16052 states have call successors, (16640) [2021-12-22 15:34:13,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53701 states to 53701 states and 77154 transitions. [2021-12-22 15:34:13,332 INFO L78 Accepts]: Start accepts. Automaton has 53701 states and 77154 transitions. Word has length 212 [2021-12-22 15:34:13,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:34:13,332 INFO L470 AbstractCegarLoop]: Abstraction has 53701 states and 77154 transitions. [2021-12-22 15:34:13,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-22 15:34:13,333 INFO L276 IsEmpty]: Start isEmpty. Operand 53701 states and 77154 transitions. [2021-12-22 15:34:13,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-12-22 15:34:13,344 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:34:13,344 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 15, 15, 15, 15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:34:13,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-22 15:34:13,344 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-22 15:34:13,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:34:13,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1768603552, now seen corresponding path program 1 times [2021-12-22 15:34:13,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:34:13,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326866857] [2021-12-22 15:34:13,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:34:13,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:34:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:34:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:13,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:34:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:34:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:34:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:34:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:13,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:34:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:34:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:34:13,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:34:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:13,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:34:13,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:34:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:34:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:34:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:34:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:34:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:13,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-22 15:34:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-22 15:34:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-22 15:34:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-22 15:34:13,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-22 15:34:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:34:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-22 15:34:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:34:13,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1049 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1038 trivial. 0 not checked. [2021-12-22 15:34:13,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:34:13,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326866857] [2021-12-22 15:34:13,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326866857] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:34:13,905 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:34:13,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:34:13,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178125795] [2021-12-22 15:34:13,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:34:13,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:34:13,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:34:13,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:34:13,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:34:13,906 INFO L87 Difference]: Start difference. First operand 53701 states and 77154 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23)