./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.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 4af2b63cb658684b275f973912d230c1de920b96df7c9dce7307be2f1a002ee6 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 14:24:01,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 14:24:01,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 14:24:01,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 14:24:01,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 14:24:01,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 14:24:01,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 14:24:01,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 14:24:01,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 14:24:01,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 14:24:01,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 14:24:01,135 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 14:24:01,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 14:24:01,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 14:24:01,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 14:24:01,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 14:24:01,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 14:24:01,144 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 14:24:01,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 14:24:01,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 14:24:01,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 14:24:01,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 14:24:01,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 14:24:01,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 14:24:01,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 14:24:01,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 14:24:01,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 14:24:01,162 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 14:24:01,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 14:24:01,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 14:24:01,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 14:24:01,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 14:24:01,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 14:24:01,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 14:24:01,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 14:24:01,169 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 14:24:01,169 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 14:24:01,169 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 14:24:01,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 14:24:01,170 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 14:24:01,171 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 14:24:01,172 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 14:24:01,202 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 14:24:01,203 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 14:24:01,203 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 14:24:01,203 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 14:24:01,204 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 14:24:01,204 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 14:24:01,205 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 14:24:01,205 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 14:24:01,205 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 14:24:01,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 14:24:01,206 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 14:24:01,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 14:24:01,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 14:24:01,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 14:24:01,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 14:24:01,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 14:24:01,207 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 14:24:01,207 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 14:24:01,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 14:24:01,208 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 14:24:01,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 14:24:01,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 14:24:01,208 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 14:24:01,208 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 14:24:01,209 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 14:24:01,209 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 14:24:01,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 14:24:01,209 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 14:24:01,209 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 14:24:01,209 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 14:24:01,210 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 14:24:01,210 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4af2b63cb658684b275f973912d230c1de920b96df7c9dce7307be2f1a002ee6 [2021-12-18 14:24:01,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 14:24:01,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 14:24:01,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 14:24:01,449 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 14:24:01,449 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 14:24:01,450 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2021-12-18 14:24:01,506 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0574cc3c0/4aa7f9d5755e4414a3ad5c2313f8ebea/FLAGe89add4c0 [2021-12-18 14:24:02,503 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 14:24:02,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2021-12-18 14:24:02,595 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0574cc3c0/4aa7f9d5755e4414a3ad5c2313f8ebea/FLAGe89add4c0 [2021-12-18 14:24:02,833 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0574cc3c0/4aa7f9d5755e4414a3ad5c2313f8ebea [2021-12-18 14:24:02,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 14:24:02,837 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 14:24:02,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 14:24:02,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 14:24:02,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 14:24:02,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 02:24:02" (1/1) ... [2021-12-18 14:24:02,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69c03c94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:24:02, skipping insertion in model container [2021-12-18 14:24:02,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 02:24:02" (1/1) ... [2021-12-18 14:24:02,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 14:24:03,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 14:24:12,056 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[933999,934012] [2021-12-18 14:24:12,060 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[934168,934181] [2021-12-18 14:24:12,060 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[934335,934348] [2021-12-18 14:24:12,061 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[934503,934516] [2021-12-18 14:24:12,142 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 14:24:12,288 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 14:24:12,943 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[933999,934012] [2021-12-18 14:24:12,944 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[934168,934181] [2021-12-18 14:24:12,944 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[934335,934348] [2021-12-18 14:24:12,944 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[934503,934516] [2021-12-18 14:24:12,951 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 14:24:13,279 INFO L208 MainTranslator]: Completed translation [2021-12-18 14:24:13,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:24:13 WrapperNode [2021-12-18 14:24:13,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 14:24:13,284 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 14:24:13,284 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 14:24:13,284 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 14:24:13,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:24:13" (1/1) ... [2021-12-18 14:24:13,696 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:24:13" (1/1) ... [2021-12-18 14:24:14,354 INFO L137 Inliner]: procedures = 719, calls = 11042, calls flagged for inlining = 379, calls inlined = 356, statements flattened = 25946 [2021-12-18 14:24:14,355 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 14:24:14,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 14:24:14,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 14:24:14,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 14:24:14,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:24:13" (1/1) ... [2021-12-18 14:24:14,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:24:13" (1/1) ... [2021-12-18 14:24:14,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:24:13" (1/1) ... [2021-12-18 14:24:14,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:24:13" (1/1) ... [2021-12-18 14:24:15,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:24:13" (1/1) ... [2021-12-18 14:24:15,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:24:13" (1/1) ... [2021-12-18 14:24:15,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:24:13" (1/1) ... [2021-12-18 14:24:15,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 14:24:15,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 14:24:15,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 14:24:15,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 14:24:15,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:24:13" (1/1) ... [2021-12-18 14:24:15,878 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 14:24:15,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 14:24:15,900 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) [2021-12-18 14:24:15,926 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 [2021-12-18 14:24:15,946 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_check_bssid [2021-12-18 14:24:15,946 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_check_bssid [2021-12-18 14:24:15,947 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_query_rf_reg [2021-12-18 14:24:15,947 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_query_rf_reg [2021-12-18 14:24:15,947 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_sw_led_on [2021-12-18 14:24:15,947 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_sw_led_on [2021-12-18 14:24:15,947 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-18 14:24:15,947 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-18 14:24:15,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 14:24:15,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 14:24:15,948 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_lc_calibrate [2021-12-18 14:24:15,948 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_lc_calibrate [2021-12-18 14:24:15,948 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8188e_config_bb_reg [2021-12-18 14:24:15,949 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8188e_config_bb_reg [2021-12-18 14:24:15,949 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_word [2021-12-18 14:24:15,949 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_word [2021-12-18 14:24:15,949 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_fwlps_enter [2021-12-18 14:24:15,949 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_fwlps_enter [2021-12-18 14:24:15,949 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_path_adda_on [2021-12-18 14:24:15,950 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_path_adda_on [2021-12-18 14:24:15,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 14:24:15,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 14:24:15,950 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_signal_scale_mapping [2021-12-18 14:24:15,950 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_signal_scale_mapping [2021-12-18 14:24:15,950 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_byte [2021-12-18 14:24:15,950 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_byte [2021-12-18 14:24:15,951 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 14:24:15,951 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 14:24:15,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2021-12-18 14:24:15,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2021-12-18 14:24:15,951 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-18 14:24:15,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-18 14:24:15,952 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_query_bb_reg [2021-12-18 14:24:15,952 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_query_bb_reg [2021-12-18 14:24:15,952 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_suspend [2021-12-18 14:24:15,952 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_suspend [2021-12-18 14:24:15,952 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_enable_interrupt [2021-12-18 14:24:15,953 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_enable_interrupt [2021-12-18 14:24:15,953 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_sw_led_off [2021-12-18 14:24:15,953 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_sw_led_off [2021-12-18 14:24:15,953 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-18 14:24:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2021-12-18 14:24:15,954 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2021-12-18 14:24:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 14:24:15,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 14:24:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl88ee_driver_exit_9_2 [2021-12-18 14:24:15,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl88ee_driver_exit_9_2 [2021-12-18 14:24:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_config_rf_with_headerfile [2021-12-18 14:24:15,955 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_config_rf_with_headerfile [2021-12-18 14:24:15,955 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_firmware_selfreset [2021-12-18 14:24:15,955 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_firmware_selfreset [2021-12-18 14:24:15,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 14:24:15,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 14:24:15,956 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 14:24:15,957 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 14:24:15,957 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_get_desc [2021-12-18 14:24:15,957 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_get_desc [2021-12-18 14:24:15,957 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_beacon_interval [2021-12-18 14:24:15,957 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_beacon_interval [2021-12-18 14:24:15,958 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_disable_interrupt [2021-12-18 14:24:15,958 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_disable_interrupt [2021-12-18 14:24:15,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 14:24:15,959 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_resume [2021-12-18 14:24:15,959 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_resume [2021-12-18 14:24:15,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rf_lock_of_rtl_locks [2021-12-18 14:24:15,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rf_lock_of_rtl_locks [2021-12-18 14:24:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-18 14:24:15,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-18 14:24:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_channel_access_setting [2021-12-18 14:24:15,960 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_channel_access_setting [2021-12-18 14:24:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_update_rx_idle_ant [2021-12-18 14:24:15,961 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_update_rx_idle_ant [2021-12-18 14:24:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure get_rf_type [2021-12-18 14:24:15,961 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rf_type [2021-12-18 14:24:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-18 14:24:15,961 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-18 14:24:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 14:24:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_has_protected [2021-12-18 14:24:15,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_has_protected [2021-12-18 14:24:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 14:24:15,962 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 14:24:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure is_hal_stop [2021-12-18 14:24:15,963 INFO L138 BoogieDeclarations]: Found implementation of procedure is_hal_stop [2021-12-18 14:24:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 14:24:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 14:24:15,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 14:24:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure rf_serial_read [2021-12-18 14:24:15,964 INFO L138 BoogieDeclarations]: Found implementation of procedure rf_serial_read [2021-12-18 14:24:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 14:24:15,965 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_interrupt_mask [2021-12-18 14:24:15,965 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_interrupt_mask [2021-12-18 14:24:15,965 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 14:24:15,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 14:24:15,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 14:24:15,965 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 14:24:15,966 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_rf_reg [2021-12-18 14:24:15,966 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_rf_reg [2021-12-18 14:24:15,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 14:24:15,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 14:24:15,966 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-18 14:24:15,966 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-18 14:24:15,966 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2021-12-18 14:24:15,967 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2021-12-18 14:24:15,967 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_card_disable [2021-12-18 14:24:15,967 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_card_disable [2021-12-18 14:24:15,967 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_check_fw_read_last_h2c [2021-12-18 14:24:15,967 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_check_fw_read_last_h2c [2021-12-18 14:24:15,968 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_beacon [2021-12-18 14:24:15,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_beacon [2021-12-18 14:24:15,968 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2021-12-18 14:24:15,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2021-12-18 14:24:15,969 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_led_control [2021-12-18 14:24:15,969 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_led_control [2021-12-18 14:24:15,971 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_beacon_related_registers [2021-12-18 14:24:15,972 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_beacon_related_registers [2021-12-18 14:24:15,972 INFO L130 BoogieDeclarations]: Found specification of procedure save_adda_reg [2021-12-18 14:24:15,972 INFO L138 BoogieDeclarations]: Found implementation of procedure save_adda_reg [2021-12-18 14:24:15,973 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2021-12-18 14:24:15,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2021-12-18 14:24:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-18 14:24:15,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-18 14:24:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-12-18 14:24:15,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-12-18 14:24:15,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 14:24:15,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-18 14:24:15,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-18 14:24:15,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-12-18 14:24:15,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-12-18 14:24:15,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-18 14:24:15,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-18 14:24:15,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2021-12-18 14:24:15,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2021-12-18 14:24:15,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-18 14:24:15,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-18 14:24:15,981 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_hw_reg [2021-12-18 14:24:15,981 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_hw_reg [2021-12-18 14:24:15,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 14:24:15,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 14:24:15,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 14:24:15,982 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 14:24:15,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 14:24:15,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 14:24:15,982 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 14:24:15,982 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_rfpath_switch [2021-12-18 14:24:15,983 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_rfpath_switch [2021-12-18 14:24:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 14:24:15,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 14:24:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 14:24:15,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 14:24:15,983 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_hal_rate_tbl [2021-12-18 14:24:15,983 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_hal_rate_tbl [2021-12-18 14:24:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_txpower_level [2021-12-18 14:24:15,984 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_txpower_level [2021-12-18 14:24:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-18 14:24:15,984 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-18 14:24:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_bb_reg [2021-12-18 14:24:15,984 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_bb_reg [2021-12-18 14:24:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_qos [2021-12-18 14:24:15,985 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_qos [2021-12-18 14:24:15,985 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-18 14:24:15,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-18 14:24:15,985 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_iq_calibrate [2021-12-18 14:24:15,985 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_iq_calibrate [2021-12-18 14:24:15,985 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_cam_add_one_entry [2021-12-18 14:24:15,985 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_cam_add_one_entry [2021-12-18 14:24:15,985 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_check_txpower_tracking [2021-12-18 14:24:15,986 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_check_txpower_tracking [2021-12-18 14:24:15,986 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_init_led [2021-12-18 14:24:15,986 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_init_led [2021-12-18 14:24:15,986 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_txpower_track_adjust [2021-12-18 14:24:15,986 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_txpower_track_adjust [2021-12-18 14:24:15,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_65 [2021-12-18 14:24:15,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_65 [2021-12-18 14:24:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_poweroff_adapter [2021-12-18 14:24:15,987 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_poweroff_adapter [2021-12-18 14:24:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_init_edca_turbo [2021-12-18 14:24:15,987 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_init_edca_turbo [2021-12-18 14:24:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_bcn_ctrl_reg [2021-12-18 14:24:15,987 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_bcn_ctrl_reg [2021-12-18 14:24:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_init_sw_leds [2021-12-18 14:24:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_init_sw_leds [2021-12-18 14:24:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 14:24:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 14:24:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-18 14:24:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-18 14:24:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88_hal_pwrseqcmdparsing [2021-12-18 14:24:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88_hal_pwrseqcmdparsing [2021-12-18 14:24:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_enable_hw_security_config [2021-12-18 14:24:15,989 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_enable_hw_security_config [2021-12-18 14:24:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_h2c_lock_of_rtl_locks [2021-12-18 14:24:15,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_h2c_lock_of_rtl_locks [2021-12-18 14:24:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 14:24:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 14:24:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 14:24:15,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 14:24:15,990 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_DA [2021-12-18 14:24:15,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_DA [2021-12-18 14:24:15,990 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_rfreg [2021-12-18 14:24:15,990 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_rfreg [2021-12-18 14:24:15,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 14:24:15,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 14:24:15,990 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-18 14:24:15,991 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-18 14:24:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2021-12-18 14:24:15,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2021-12-18 14:24:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-18 14:24:15,991 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-18 14:24:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_set_iqk_matrix [2021-12-18 14:24:15,991 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_set_iqk_matrix [2021-12-18 14:24:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_65___0 [2021-12-18 14:24:15,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_65___0 [2021-12-18 14:24:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_chk_tx_track [2021-12-18 14:24:15,992 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_chk_tx_track [2021-12-18 14:24:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2021-12-18 14:24:15,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2021-12-18 14:24:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_stop_tx_beacon [2021-12-18 14:24:15,993 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_stop_tx_beacon [2021-12-18 14:24:15,993 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_byte [2021-12-18 14:24:15,993 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_byte [2021-12-18 14:24:15,993 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_word [2021-12-18 14:24:15,993 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_word [2021-12-18 14:24:15,993 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-18 14:24:15,993 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-18 14:24:15,994 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_llt_write [2021-12-18 14:24:15,994 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_llt_write [2021-12-18 14:24:15,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 14:24:15,994 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 14:24:15,994 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_suspend [2021-12-18 14:24:15,994 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_suspend [2021-12-18 14:24:15,994 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_watchdog [2021-12-18 14:24:15,995 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_watchdog [2021-12-18 14:24:15,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-18 14:24:15,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-18 14:24:15,995 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_bw_mode [2021-12-18 14:24:15,995 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_bw_mode [2021-12-18 14:24:15,995 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_fast_ant_training [2021-12-18 14:24:15,995 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_fast_ant_training [2021-12-18 14:24:15,995 INFO L130 BoogieDeclarations]: Found specification of procedure sim_comp [2021-12-18 14:24:15,996 INFO L138 BoogieDeclarations]: Found implementation of procedure sim_comp [2021-12-18 14:24:15,997 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_deinit_sw_vars [2021-12-18 14:24:15,999 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_deinit_sw_vars [2021-12-18 14:24:15,999 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_tx_polling [2021-12-18 14:24:16,000 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_tx_polling [2021-12-18 14:24:16,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 14:24:16,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 14:24:16,000 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_pi_mode_switch [2021-12-18 14:24:16,000 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_pi_mode_switch [2021-12-18 14:24:16,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65___0 [2021-12-18 14:24:16,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65___0 [2021-12-18 14:24:16,002 INFO L130 BoogieDeclarations]: Found specification of procedure cal_bit_shift [2021-12-18 14:24:16,002 INFO L138 BoogieDeclarations]: Found implementation of procedure cal_bit_shift [2021-12-18 14:24:16,002 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_enable_fw_download [2021-12-18 14:24:16,002 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_enable_fw_download [2021-12-18 14:24:16,002 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_ctl [2021-12-18 14:24:16,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_ctl [2021-12-18 14:24:16,002 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-12-18 14:24:16,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-12-18 14:24:16,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 14:24:16,003 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 14:24:16,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 14:24:16,003 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-18 14:24:16,003 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-18 14:24:16,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-18 14:24:16,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-18 14:24:16,004 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_ps_rf_on [2021-12-18 14:24:16,004 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_ps_rf_on [2021-12-18 14:24:16,004 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___3 [2021-12-18 14:24:16,004 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___3 [2021-12-18 14:24:16,004 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___0 [2021-12-18 14:24:16,004 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___0 [2021-12-18 14:24:16,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 14:24:16,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 14:24:16,005 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_hw_init [2021-12-18 14:24:16,005 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_hw_init [2021-12-18 14:24:16,005 INFO L130 BoogieDeclarations]: Found specification of procedure check_cond [2021-12-18 14:24:16,005 INFO L138 BoogieDeclarations]: Found implementation of procedure check_cond [2021-12-18 14:24:16,005 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_rfreg [2021-12-18 14:24:16,005 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_rfreg [2021-12-18 14:24:16,005 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_initial_gain_min_pwdb [2021-12-18 14:24:16,006 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_initial_gain_min_pwdb [2021-12-18 14:24:16,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81 [2021-12-18 14:24:16,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81 [2021-12-18 14:24:16,006 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_iq_calibrate [2021-12-18 14:24:16,006 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_iq_calibrate [2021-12-18 14:24:16,006 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-12-18 14:24:16,006 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-12-18 14:24:16,006 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_resume [2021-12-18 14:24:16,007 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_resume [2021-12-18 14:24:16,007 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2021-12-18 14:24:16,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2021-12-18 14:24:16,007 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_get_hw_reg [2021-12-18 14:24:16,007 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_get_hw_reg [2021-12-18 14:24:16,007 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_phy_scan_operation_backup [2021-12-18 14:24:16,007 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_phy_scan_operation_backup [2021-12-18 14:24:16,008 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-18 14:24:16,008 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-18 14:24:16,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_64___0 [2021-12-18 14:24:16,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_64___0 [2021-12-18 14:24:16,008 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-18 14:24:16,008 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-18 14:24:16,008 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_fill_h2c_cmd [2021-12-18 14:24:16,008 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_fill_h2c_cmd [2021-12-18 14:24:16,009 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_fw_page_write [2021-12-18 14:24:16,009 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_fw_page_write [2021-12-18 14:24:16,009 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_query_rxpwrpercentage [2021-12-18 14:24:16,009 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_query_rxpwrpercentage [2021-12-18 14:24:16,009 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_update_tx_ant [2021-12-18 14:24:16,009 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_update_tx_ant [2021-12-18 14:24:16,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 14:24:16,010 INFO L130 BoogieDeclarations]: Found specification of procedure reload_adda [2021-12-18 14:24:16,010 INFO L138 BoogieDeclarations]: Found implementation of procedure reload_adda [2021-12-18 14:24:16,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 14:24:16,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 14:24:16,010 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_bbreg [2021-12-18 14:24:16,010 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_bbreg [2021-12-18 14:24:16,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_64 [2021-12-18 14:24:16,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_64 [2021-12-18 14:24:16,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_82 [2021-12-18 14:24:16,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_82 [2021-12-18 14:24:16,011 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_read_eeprom_info [2021-12-18 14:24:16,011 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_read_eeprom_info [2021-12-18 14:24:16,011 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_clock_off [2021-12-18 14:24:16,011 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_clock_off [2021-12-18 14:24:16,011 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_bbreg [2021-12-18 14:24:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_bbreg [2021-12-18 14:24:16,012 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-18 14:24:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-18 14:24:16,012 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_resume_tx_beacon [2021-12-18 14:24:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_resume_tx_beacon [2021-12-18 14:24:16,012 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_init_sw_vars [2021-12-18 14:24:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_init_sw_vars [2021-12-18 14:24:16,012 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-12-18 14:24:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-12-18 14:24:16,013 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88_config_s [2021-12-18 14:24:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88_config_s [2021-12-18 14:24:16,013 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-18 14:24:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-18 14:24:16,013 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-12-18 14:24:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-12-18 14:24:16,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 14:24:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 14:24:16,014 INFO L130 BoogieDeclarations]: Found specification of procedure config_bb_with_header [2021-12-18 14:24:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure config_bb_with_header [2021-12-18 14:24:16,014 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-18 14:24:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-18 14:24:16,014 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_dword [2021-12-18 14:24:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_dword [2021-12-18 14:24:16,015 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_media_status [2021-12-18 14:24:16,015 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_media_status [2021-12-18 14:24:16,015 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_fwlps_leave [2021-12-18 14:24:16,015 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_fwlps_leave [2021-12-18 14:24:16,015 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-18 14:24:16,015 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-18 14:24:16,015 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_tx_fill_cmddesc [2021-12-18 14:24:16,015 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_tx_fill_cmddesc [2021-12-18 14:24:16,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 14:24:16,016 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_disconnect [2021-12-18 14:24:16,016 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_disconnect [2021-12-18 14:24:16,016 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_sw_chnl_cmdarray [2021-12-18 14:24:16,016 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_sw_chnl_cmdarray [2021-12-18 14:24:16,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 14:24:16,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 14:24:16,017 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_clock_on [2021-12-18 14:24:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_clock_on [2021-12-18 14:24:16,017 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-12-18 14:24:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-12-18 14:24:17,751 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 14:24:17,754 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 14:24:21,175 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 14:25:52,474 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-18 14:25:52,727 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 14:25:52,773 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 14:25:52,774 INFO L301 CfgBuilder]: Removed 20 assume(true) statements. [2021-12-18 14:25:52,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 02:25:52 BoogieIcfgContainer [2021-12-18 14:25:52,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 14:25:52,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 14:25:52,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 14:25:52,787 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 14:25:52,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 02:24:02" (1/3) ... [2021-12-18 14:25:52,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7965379f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 02:25:52, skipping insertion in model container [2021-12-18 14:25:52,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:24:13" (2/3) ... [2021-12-18 14:25:52,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7965379f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 02:25:52, skipping insertion in model container [2021-12-18 14:25:52,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 02:25:52" (3/3) ... [2021-12-18 14:25:52,790 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2021-12-18 14:25:52,799 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 14:25:52,800 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-18 14:25:52,876 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 14:25:52,882 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 [2021-12-18 14:25:52,882 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-18 14:25:53,010 INFO L276 IsEmpty]: Start isEmpty. Operand has 7674 states, 5260 states have (on average 1.3718631178707223) internal successors, (7216), 5425 states have internal predecessors, (7216), 2246 states have call successors, (2246), 174 states have call predecessors, (2246), 173 states have return successors, (2236), 2167 states have call predecessors, (2236), 2236 states have call successors, (2236) [2021-12-18 14:25:53,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-12-18 14:25:53,041 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:25:53,042 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:25:53,043 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)] === [2021-12-18 14:25:53,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:25:53,051 INFO L85 PathProgramCache]: Analyzing trace with hash 785384618, now seen corresponding path program 1 times [2021-12-18 14:25:53,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:25:53,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352564551] [2021-12-18 14:25:53,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:25:53,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:25:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:54,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:25:54,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:54,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:54,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:25:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:54,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:54,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:25:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:54,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:54,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:25:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:54,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:54,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:54,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:25:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:54,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:54,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:25:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:54,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:54,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:25:54,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:54,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:25:55,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:25:55,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:55,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:25:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:25:55,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:25:55,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:55,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:25:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:25:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:55,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:25:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:25:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:25:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:25:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:25:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:25:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:55,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:25:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:25:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:25:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:55,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:25:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:25:55,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:55,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:25:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:25:55,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 14:25:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-18 14:25:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:55,862 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2021-12-18 14:25:55,863 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:25:55,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352564551] [2021-12-18 14:25:55,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352564551] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:25:55,864 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:25:55,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 14:25:55,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679331342] [2021-12-18 14:25:55,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:25:55,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 14:25:55,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:25:55,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 14:25:55,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 14:25:55,916 INFO L87 Difference]: Start difference. First operand has 7674 states, 5260 states have (on average 1.3718631178707223) internal successors, (7216), 5425 states have internal predecessors, (7216), 2246 states have call successors, (2246), 174 states have call predecessors, (2246), 173 states have return successors, (2236), 2167 states have call predecessors, (2236), 2236 states have call successors, (2236) Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-18 14:26:01,340 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:26:10,221 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:26:15,779 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:26:20,056 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:26:22,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:26:22,340 INFO L93 Difference]: Finished difference Result 15317 states and 23832 transitions. [2021-12-18 14:26:22,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 14:26:22,343 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 327 [2021-12-18 14:26:22,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:26:22,434 INFO L225 Difference]: With dead ends: 15317 [2021-12-18 14:26:22,434 INFO L226 Difference]: Without dead ends: 9258 [2021-12-18 14:26:22,496 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:26:22,499 INFO L933 BasicCegarLoop]: 8267 mSDtfsCounter, 8204 mSDsluCounter, 10233 mSDsCounter, 0 mSdLazyCounter, 3842 mSolverCounterSat, 3720 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9391 SdHoareTripleChecker+Valid, 18500 SdHoareTripleChecker+Invalid, 7566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3720 IncrementalHoareTripleChecker+Valid, 3842 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.4s IncrementalHoareTripleChecker+Time [2021-12-18 14:26:22,500 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9391 Valid, 18500 Invalid, 7566 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3720 Valid, 3842 Invalid, 4 Unknown, 0 Unchecked, 25.4s Time] [2021-12-18 14:26:22,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9258 states. [2021-12-18 14:26:23,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9258 to 9164. [2021-12-18 14:26:23,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9164 states, 6527 states have (on average 1.339359583269496) internal successors, (8742), 6676 states have internal predecessors, (8742), 2376 states have call successors, (2376), 271 states have call predecessors, (2376), 258 states have return successors, (2342), 2280 states have call predecessors, (2342), 2342 states have call successors, (2342) [2021-12-18 14:26:23,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9164 states to 9164 states and 13460 transitions. [2021-12-18 14:26:23,282 INFO L78 Accepts]: Start accepts. Automaton has 9164 states and 13460 transitions. Word has length 327 [2021-12-18 14:26:23,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:26:23,287 INFO L470 AbstractCegarLoop]: Abstraction has 9164 states and 13460 transitions. [2021-12-18 14:26:23,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-18 14:26:23,289 INFO L276 IsEmpty]: Start isEmpty. Operand 9164 states and 13460 transitions. [2021-12-18 14:26:23,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-12-18 14:26:23,298 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:26:23,299 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:26:23,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 14:26:23,300 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)] === [2021-12-18 14:26:23,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:26:23,301 INFO L85 PathProgramCache]: Analyzing trace with hash -732866147, now seen corresponding path program 1 times [2021-12-18 14:26:23,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:26:23,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006601152] [2021-12-18 14:26:23,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:26:23,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:26:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:26:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:26:24,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:26:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:26:24,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:26:24,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:26:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:26:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:26:24,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:26:24,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:26:24,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:26:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:26:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:26:24,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:26:24,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:26:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:26:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:26:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:26:24,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:26:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:26:24,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:26:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:26:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:26:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:26:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:26:24,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:26:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:26:24,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 14:26:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,991 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2021-12-18 14:26:24,991 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:26:24,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006601152] [2021-12-18 14:26:24,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006601152] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:26:24,992 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:26:24,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 14:26:24,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794171471] [2021-12-18 14:26:24,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:26:24,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 14:26:24,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:26:24,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 14:26:24,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 14:26:24,996 INFO L87 Difference]: Start difference. First operand 9164 states and 13460 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-18 14:26:30,676 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:26:39,957 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:26:44,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:26:44,875 INFO L93 Difference]: Finished difference Result 27458 states and 40711 transitions. [2021-12-18 14:26:44,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 14:26:44,876 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 336 [2021-12-18 14:26:44,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:26:45,038 INFO L225 Difference]: With dead ends: 27458 [2021-12-18 14:26:45,039 INFO L226 Difference]: Without dead ends: 18341 [2021-12-18 14:26:45,091 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:26:45,095 INFO L933 BasicCegarLoop]: 7557 mSDtfsCounter, 7257 mSDsluCounter, 9532 mSDsCounter, 0 mSdLazyCounter, 3437 mSolverCounterSat, 3310 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8322 SdHoareTripleChecker+Valid, 17089 SdHoareTripleChecker+Invalid, 6749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3310 IncrementalHoareTripleChecker+Valid, 3437 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2021-12-18 14:26:45,097 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8322 Valid, 17089 Invalid, 6749 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3310 Valid, 3437 Invalid, 2 Unknown, 0 Unchecked, 19.1s Time] [2021-12-18 14:26:45,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18341 states. [2021-12-18 14:26:46,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18341 to 18239. [2021-12-18 14:26:46,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18239 states, 13008 states have (on average 1.342020295202952) internal successors, (17457), 13318 states have internal predecessors, (17457), 4709 states have call successors, (4709), 538 states have call predecessors, (4709), 519 states have return successors, (4961), 4510 states have call predecessors, (4961), 4643 states have call successors, (4961) [2021-12-18 14:26:46,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18239 states to 18239 states and 27127 transitions. [2021-12-18 14:26:46,218 INFO L78 Accepts]: Start accepts. Automaton has 18239 states and 27127 transitions. Word has length 336 [2021-12-18 14:26:46,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:26:46,219 INFO L470 AbstractCegarLoop]: Abstraction has 18239 states and 27127 transitions. [2021-12-18 14:26:46,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-18 14:26:46,219 INFO L276 IsEmpty]: Start isEmpty. Operand 18239 states and 27127 transitions. [2021-12-18 14:26:46,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2021-12-18 14:26:46,229 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:26:46,229 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:26:46,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 14:26:46,230 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)] === [2021-12-18 14:26:46,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:26:46,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1340327932, now seen corresponding path program 1 times [2021-12-18 14:26:46,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:26:46,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635712992] [2021-12-18 14:26:46,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:26:46,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:26:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:26:47,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:47,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:26:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:47,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:26:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:26:47,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:47,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:26:47,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:47,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:26:47,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:47,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:26:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:26:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:47,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:26:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:47,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:26:47,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:26:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:47,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:26:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:26:47,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:26:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:47,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:26:47,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:47,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:26:47,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:26:47,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:26:47,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:47,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:26:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:47,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:26:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:26:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:26:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:26:47,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:47,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:26:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:47,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:26:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:26:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:47,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:26:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:47,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 14:26:47,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-18 14:26:47,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:47,792 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2021-12-18 14:26:47,792 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:26:47,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635712992] [2021-12-18 14:26:47,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635712992] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:26:47,793 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:26:47,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 14:26:47,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957220129] [2021-12-18 14:26:47,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:26:47,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 14:26:47,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:26:47,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 14:26:47,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 14:26:47,796 INFO L87 Difference]: Start difference. First operand 18239 states and 27127 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-18 14:26:55,098 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:26:58,544 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:27:06,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:27:06,251 INFO L93 Difference]: Finished difference Result 40353 states and 59940 transitions. [2021-12-18 14:27:06,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 14:27:06,251 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 350 [2021-12-18 14:27:06,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:27:06,381 INFO L225 Difference]: With dead ends: 40353 [2021-12-18 14:27:06,382 INFO L226 Difference]: Without dead ends: 22173 [2021-12-18 14:27:06,458 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:27:06,459 INFO L933 BasicCegarLoop]: 7340 mSDtfsCounter, 5382 mSDsluCounter, 9224 mSDsCounter, 0 mSdLazyCounter, 3374 mSolverCounterSat, 2943 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6230 SdHoareTripleChecker+Valid, 16564 SdHoareTripleChecker+Invalid, 6319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2943 IncrementalHoareTripleChecker+Valid, 3374 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2021-12-18 14:27:06,460 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6230 Valid, 16564 Invalid, 6319 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2943 Valid, 3374 Invalid, 2 Unknown, 0 Unchecked, 17.6s Time] [2021-12-18 14:27:06,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22173 states. [2021-12-18 14:27:07,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22173 to 22037. [2021-12-18 14:27:07,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22037 states, 15444 states have (on average 1.3256280756280756) internal successors, (20473), 15869 states have internal predecessors, (20473), 5889 states have call successors, (5889), 725 states have call predecessors, (5889), 701 states have return successors, (6241), 5618 states have call predecessors, (6241), 5816 states have call successors, (6241) [2021-12-18 14:27:08,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22037 states to 22037 states and 32603 transitions. [2021-12-18 14:27:08,198 INFO L78 Accepts]: Start accepts. Automaton has 22037 states and 32603 transitions. Word has length 350 [2021-12-18 14:27:08,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:27:08,202 INFO L470 AbstractCegarLoop]: Abstraction has 22037 states and 32603 transitions. [2021-12-18 14:27:08,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-18 14:27:08,203 INFO L276 IsEmpty]: Start isEmpty. Operand 22037 states and 32603 transitions. [2021-12-18 14:27:08,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2021-12-18 14:27:08,213 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:27:08,214 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:27:08,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 14:27:08,214 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)] === [2021-12-18 14:27:08,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:27:08,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1684721415, now seen corresponding path program 1 times [2021-12-18 14:27:08,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:27:08,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357816322] [2021-12-18 14:27:08,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:27:08,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:27:08,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:08,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:27:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:08,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:27:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:27:09,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:27:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:27:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:27:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:27:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:27:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:09,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:27:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:09,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:27:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:09,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:27:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:27:09,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:09,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:27:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:27:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:27:09,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:27:09,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:27:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:09,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:27:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:27:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:27:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:27:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:27:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:09,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:27:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:09,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:27:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:09,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:27:09,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:27:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:09,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:27:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 14:27:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-18 14:27:09,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 14:27:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-18 14:27:09,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 14:27:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:09,877 INFO L134 CoverageAnalysis]: Checked inductivity of 3244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3244 trivial. 0 not checked. [2021-12-18 14:27:09,877 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:27:09,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357816322] [2021-12-18 14:27:09,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357816322] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:27:09,878 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:27:09,878 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 14:27:09,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495291490] [2021-12-18 14:27:09,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:27:09,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 14:27:09,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:27:09,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 14:27:09,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:27:09,880 INFO L87 Difference]: Start difference. First operand 22037 states and 32603 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-18 14:27:18,575 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:27:20,725 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:27:28,115 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:27:30,925 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:27:33,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:27:33,403 INFO L93 Difference]: Finished difference Result 60411 states and 89711 transitions. [2021-12-18 14:27:33,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 14:27:33,404 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 364 [2021-12-18 14:27:33,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:27:33,629 INFO L225 Difference]: With dead ends: 60411 [2021-12-18 14:27:33,630 INFO L226 Difference]: Without dead ends: 38433 [2021-12-18 14:27:33,931 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-18 14:27:33,934 INFO L933 BasicCegarLoop]: 9208 mSDtfsCounter, 8406 mSDsluCounter, 10661 mSDsCounter, 0 mSdLazyCounter, 4393 mSolverCounterSat, 5721 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9515 SdHoareTripleChecker+Valid, 19869 SdHoareTripleChecker+Invalid, 10118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5721 IncrementalHoareTripleChecker+Valid, 4393 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.3s IncrementalHoareTripleChecker+Time [2021-12-18 14:27:33,937 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9515 Valid, 19869 Invalid, 10118 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5721 Valid, 4393 Invalid, 4 Unknown, 0 Unchecked, 22.3s Time] [2021-12-18 14:27:33,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38433 states. [2021-12-18 14:27:36,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38433 to 37124. [2021-12-18 14:27:36,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37124 states, 26086 states have (on average 1.3262669631219812) internal successors, (34597), 26815 states have internal predecessors, (34597), 9859 states have call successors, (9859), 1215 states have call predecessors, (9859), 1176 states have return successors, (10432), 9389 states have call predecessors, (10432), 9736 states have call successors, (10432) [2021-12-18 14:27:36,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37124 states to 37124 states and 54888 transitions. [2021-12-18 14:27:36,377 INFO L78 Accepts]: Start accepts. Automaton has 37124 states and 54888 transitions. Word has length 364 [2021-12-18 14:27:36,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:27:36,378 INFO L470 AbstractCegarLoop]: Abstraction has 37124 states and 54888 transitions. [2021-12-18 14:27:36,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-18 14:27:36,378 INFO L276 IsEmpty]: Start isEmpty. Operand 37124 states and 54888 transitions. [2021-12-18 14:27:36,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2021-12-18 14:27:36,386 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:27:36,386 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:27:36,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 14:27:36,387 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)] === [2021-12-18 14:27:36,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:27:36,388 INFO L85 PathProgramCache]: Analyzing trace with hash -338114936, now seen corresponding path program 1 times [2021-12-18 14:27:36,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:27:36,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25740430] [2021-12-18 14:27:36,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:27:36,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:27:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:27:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:37,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:27:37,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:27:37,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:27:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:27:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:37,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:27:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:27:37,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:27:37,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:27:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:27:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:27:37,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:27:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:27:37,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:37,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:27:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:27:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:27:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:27:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:27:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:27:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:37,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:27:37,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:27:37,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:27:37,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:27:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:37,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:27:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:27:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:27:37,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:27:37,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:37,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 14:27:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 14:27:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 14:27:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-18 14:27:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 14:27:37,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:37,932 INFO L134 CoverageAnalysis]: Checked inductivity of 3244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3244 trivial. 0 not checked. [2021-12-18 14:27:37,932 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:27:37,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25740430] [2021-12-18 14:27:37,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25740430] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:27:37,933 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:27:37,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 14:27:37,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873494006] [2021-12-18 14:27:37,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:27:37,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 14:27:37,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:27:37,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 14:27:37,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:27:37,935 INFO L87 Difference]: Start difference. First operand 37124 states and 54888 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-18 14:27:43,593 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:27:52,948 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:27:54,968 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:27:58,963 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:28:00,986 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:28:11,456 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:28:13,762 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:28:15,785 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:28:19,702 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:28:21,740 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:28:24,814 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:28:27,374 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:28:29,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:28:29,812 INFO L93 Difference]: Finished difference Result 112120 states and 166197 transitions. [2021-12-18 14:28:29,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 14:28:29,813 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 365 [2021-12-18 14:28:29,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:28:30,501 INFO L225 Difference]: With dead ends: 112120 [2021-12-18 14:28:30,501 INFO L226 Difference]: Without dead ends: 75055 [2021-12-18 14:28:30,765 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-18 14:28:30,765 INFO L933 BasicCegarLoop]: 9844 mSDtfsCounter, 6571 mSDsluCounter, 13248 mSDsCounter, 0 mSdLazyCounter, 8850 mSolverCounterSat, 2900 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7682 SdHoareTripleChecker+Valid, 23092 SdHoareTripleChecker+Invalid, 11761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2900 IncrementalHoareTripleChecker+Valid, 8850 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.6s IncrementalHoareTripleChecker+Time [2021-12-18 14:28:30,766 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7682 Valid, 23092 Invalid, 11761 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2900 Valid, 8850 Invalid, 11 Unknown, 0 Unchecked, 49.6s Time] [2021-12-18 14:28:30,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75055 states. [2021-12-18 14:28:34,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75055 to 72459. [2021-12-18 14:28:34,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72459 states, 50764 states have (on average 1.3246592073122685) internal successors, (67245), 52240 states have internal predecessors, (67245), 19351 states have call successors, (19351), 2418 states have call predecessors, (19351), 2341 states have return successors, (20161), 18392 states have call predecessors, (20161), 19109 states have call successors, (20161) [2021-12-18 14:28:35,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72459 states to 72459 states and 106757 transitions. [2021-12-18 14:28:35,131 INFO L78 Accepts]: Start accepts. Automaton has 72459 states and 106757 transitions. Word has length 365 [2021-12-18 14:28:35,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:28:35,132 INFO L470 AbstractCegarLoop]: Abstraction has 72459 states and 106757 transitions. [2021-12-18 14:28:35,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-18 14:28:35,133 INFO L276 IsEmpty]: Start isEmpty. Operand 72459 states and 106757 transitions. [2021-12-18 14:28:35,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2021-12-18 14:28:35,143 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:28:35,143 INFO L514 BasicCegarLoop]: trace histogram [29, 29, 27, 27, 27, 27, 27, 27, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:28:35,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 14:28:35,143 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)] === [2021-12-18 14:28:35,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:28:35,144 INFO L85 PathProgramCache]: Analyzing trace with hash 182407740, now seen corresponding path program 1 times [2021-12-18 14:28:35,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:28:35,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064353570] [2021-12-18 14:28:35,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:28:35,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:28:35,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:28:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:28:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:28:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:28:36,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:28:36,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:28:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:28:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:28:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:28:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:28:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:28:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:28:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:28:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:28:36,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:28:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:28:36,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:28:36,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:28:36,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:28:36,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:28:36,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:28:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:28:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:28:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:28:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:28:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:28:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:28:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:28:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:28:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:28:36,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:28:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:28:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:28:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:28:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:28:36,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:28:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:28:36,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:28:36,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:28:36,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:28:36,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:28:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:28:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:28:36,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:28:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:28:36,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:28:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:28:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:28:36,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:36,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:28:37,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:37,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:28:37,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:37,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:28:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:37,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:28:37,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:37,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:28:37,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:37,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:28:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:37,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 14:28:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:37,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-18 14:28:37,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:37,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-18 14:28:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:37,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-18 14:28:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:37,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 14:28:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:37,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-18 14:28:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:37,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 14:28:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:28:37,236 INFO L134 CoverageAnalysis]: Checked inductivity of 3334 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3328 trivial. 0 not checked. [2021-12-18 14:28:37,237 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:28:37,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064353570] [2021-12-18 14:28:37,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064353570] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:28:37,237 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:28:37,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 14:28:37,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31160886] [2021-12-18 14:28:37,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:28:37,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 14:28:37,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:28:37,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 14:28:37,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:28:37,240 INFO L87 Difference]: Start difference. First operand 72459 states and 106757 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-18 14:28:40,756 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:28:44,388 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:28:50,287 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:28:54,929 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:29:08,441 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:29:10,825 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:29:13,923 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:29:16,534 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:29:18,828 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:29:21,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:29:21,326 INFO L93 Difference]: Finished difference Result 192120 states and 284035 transitions. [2021-12-18 14:29:21,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 14:29:21,326 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 389 [2021-12-18 14:29:21,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:29:22,310 INFO L225 Difference]: With dead ends: 192120 [2021-12-18 14:29:22,311 INFO L226 Difference]: Without dead ends: 119720 [2021-12-18 14:29:22,551 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-18 14:29:22,552 INFO L933 BasicCegarLoop]: 7933 mSDtfsCounter, 7387 mSDsluCounter, 12103 mSDsCounter, 0 mSdLazyCounter, 7680 mSolverCounterSat, 3440 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8501 SdHoareTripleChecker+Valid, 20036 SdHoareTripleChecker+Invalid, 11128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3440 IncrementalHoareTripleChecker+Valid, 7680 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.4s IncrementalHoareTripleChecker+Time [2021-12-18 14:29:22,552 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8501 Valid, 20036 Invalid, 11128 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3440 Valid, 7680 Invalid, 8 Unknown, 0 Unchecked, 40.4s Time] [2021-12-18 14:29:22,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119720 states. [2021-12-18 14:29:27,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119720 to 115814. [2021-12-18 14:29:27,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115814 states, 81534 states have (on average 1.3265631515686707) internal successors, (108160), 83877 states have internal predecessors, (108160), 30589 states have call successors, (30589), 3811 states have call predecessors, (30589), 3688 states have return successors, (31836), 29047 states have call predecessors, (31836), 30204 states have call successors, (31836) [2021-12-18 14:29:28,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115814 states to 115814 states and 170585 transitions. [2021-12-18 14:29:28,855 INFO L78 Accepts]: Start accepts. Automaton has 115814 states and 170585 transitions. Word has length 389 [2021-12-18 14:29:28,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:29:28,856 INFO L470 AbstractCegarLoop]: Abstraction has 115814 states and 170585 transitions. [2021-12-18 14:29:28,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-18 14:29:28,856 INFO L276 IsEmpty]: Start isEmpty. Operand 115814 states and 170585 transitions. [2021-12-18 14:29:28,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2021-12-18 14:29:28,860 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:29:28,860 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 27, 27, 27, 27, 27, 27, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:29:28,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 14:29:28,861 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 14:29:28,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:29:28,861 INFO L85 PathProgramCache]: Analyzing trace with hash 248234772, now seen corresponding path program 1 times [2021-12-18 14:29:28,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:29:28,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953502663] [2021-12-18 14:29:28,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:29:28,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:29:29,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:29,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:29:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:29,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:29:29,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:29,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:29:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:29,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:29:29,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:29,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:29:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:29,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:29:29,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:29,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:29:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:29,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:29:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:29:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:29:30,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:29:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:29:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:29:30,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:29:30,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:29:30,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:29:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:29:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:29:30,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:29:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:29:30,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:29:30,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:29:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:29:30,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:29:30,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:29:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:29:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:29:30,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:29:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:29:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:29:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:29:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:29:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:29:30,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:29:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:29:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:29:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:29:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:29:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:29:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:29:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:29:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:29:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:29:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:29:30,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:29:30,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:29:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:29:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:29:30,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:29:30,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:29:30,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:29:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:29:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:29:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:29:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 14:29:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 14:29:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 14:29:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-12-18 14:29:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-18 14:29:30,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:29:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-12-18 14:29:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-12-18 14:29:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-12-18 14:29:30,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:29:30,681 INFO L134 CoverageAnalysis]: Checked inductivity of 3537 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3525 trivial. 0 not checked. [2021-12-18 14:29:30,681 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:29:30,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953502663] [2021-12-18 14:29:30,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953502663] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:29:30,681 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:29:30,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 14:29:30,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762778451] [2021-12-18 14:29:30,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:29:30,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 14:29:30,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:29:30,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 14:29:30,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 14:29:30,684 INFO L87 Difference]: Start difference. First operand 115814 states and 170585 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-12-18 14:29:36,395 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:29:41,918 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:29:48,973 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:29:51,015 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:29:55,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:29:55,258 INFO L93 Difference]: Finished difference Result 346186 states and 510499 transitions. [2021-12-18 14:29:55,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 14:29:55,259 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 385 [2021-12-18 14:29:55,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:29:56,534 INFO L225 Difference]: With dead ends: 346186 [2021-12-18 14:29:56,534 INFO L226 Difference]: Without dead ends: 230529 [2021-12-18 14:29:57,313 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:29:57,314 INFO L933 BasicCegarLoop]: 10603 mSDtfsCounter, 6680 mSDsluCounter, 11321 mSDsCounter, 0 mSdLazyCounter, 3482 mSolverCounterSat, 2612 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7741 SdHoareTripleChecker+Valid, 21924 SdHoareTripleChecker+Invalid, 6098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2612 IncrementalHoareTripleChecker+Valid, 3482 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2021-12-18 14:29:57,315 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7741 Valid, 21924 Invalid, 6098 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2612 Valid, 3482 Invalid, 4 Unknown, 0 Unchecked, 18.2s Time] [2021-12-18 14:29:57,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230529 states. [2021-12-18 14:30:08,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230529 to 229441. [2021-12-18 14:30:08,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229441 states, 161685 states have (on average 1.326944367133624) internal successors, (214547), 166193 states have internal predecessors, (214547), 60490 states have call successors, (60490), 7492 states have call predecessors, (60490), 7263 states have return successors, (62988), 57599 states have call predecessors, (62988), 59724 states have call successors, (62988) [2021-12-18 14:30:10,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229441 states to 229441 states and 338025 transitions. [2021-12-18 14:30:10,753 INFO L78 Accepts]: Start accepts. Automaton has 229441 states and 338025 transitions. Word has length 385 [2021-12-18 14:30:10,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:30:10,754 INFO L470 AbstractCegarLoop]: Abstraction has 229441 states and 338025 transitions. [2021-12-18 14:30:10,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-12-18 14:30:10,755 INFO L276 IsEmpty]: Start isEmpty. Operand 229441 states and 338025 transitions. [2021-12-18 14:30:10,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2021-12-18 14:30:10,758 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:30:10,759 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 27, 27, 27, 27, 27, 27, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:30:10,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 14:30:10,759 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 14:30:10,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:30:10,760 INFO L85 PathProgramCache]: Analyzing trace with hash -2123504490, now seen corresponding path program 1 times [2021-12-18 14:30:10,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:30:10,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65239418] [2021-12-18 14:30:10,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:30:10,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:30:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:30:12,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:30:12,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:30:12,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:30:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:30:12,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:30:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:30:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:30:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:30:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:30:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:30:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:30:12,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:30:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:30:12,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:30:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:30:12,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:30:12,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:30:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:30:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:30:12,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:30:12,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:30:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:30:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:30:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:30:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:30:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:30:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:30:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:30:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:30:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:30:12,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:30:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:30:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:30:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:30:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:30:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:30:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:30:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:30:12,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:30:12,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:30:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:30:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:30:12,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:30:12,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:30:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:30:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:30:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:30:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:30:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:30:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:30:12,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:30:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:30:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:30:12,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 14:30:12,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:12,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 14:30:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:13,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 14:30:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:13,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-12-18 14:30:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:13,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-18 14:30:13,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:13,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:30:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:13,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-12-18 14:30:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:13,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-12-18 14:30:13,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:13,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-12-18 14:30:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:30:13,113 INFO L134 CoverageAnalysis]: Checked inductivity of 3537 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3537 trivial. 0 not checked. [2021-12-18 14:30:13,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:30:13,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65239418] [2021-12-18 14:30:13,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65239418] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:30:13,114 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:30:13,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 14:30:13,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570367932] [2021-12-18 14:30:13,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:30:13,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 14:30:13,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:30:13,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 14:30:13,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 14:30:13,116 INFO L87 Difference]: Start difference. First operand 229441 states and 338025 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-12-18 14:30:18,901 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:30:27,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []