./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.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-mutex_drivers-net-ethernet-nvidia-forcedeth.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 429546fed7ce98cca10b6fee2111fe4d858ea336d514969d68b4b69efba17a4e --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 13:52:42,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 13:52:42,453 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 13:52:42,502 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 13:52:42,503 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 13:52:42,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 13:52:42,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 13:52:42,508 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 13:52:42,510 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 13:52:42,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 13:52:42,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 13:52:42,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 13:52:42,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 13:52:42,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 13:52:42,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 13:52:42,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 13:52:42,524 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 13:52:42,524 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 13:52:42,525 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 13:52:42,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 13:52:42,532 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 13:52:42,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 13:52:42,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 13:52:42,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 13:52:42,538 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 13:52:42,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 13:52:42,540 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 13:52:42,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 13:52:42,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 13:52:42,542 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 13:52:42,542 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 13:52:42,543 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 13:52:42,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 13:52:42,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 13:52:42,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 13:52:42,546 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 13:52:42,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 13:52:42,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 13:52:42,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 13:52:42,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 13:52:42,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 13:52:42,549 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 13:52:42,568 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 13:52:42,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 13:52:42,569 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 13:52:42,569 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 13:52:42,569 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 13:52:42,570 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 13:52:42,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 13:52:42,571 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 13:52:42,571 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 13:52:42,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 13:52:42,572 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 13:52:42,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 13:52:42,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 13:52:42,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 13:52:42,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 13:52:42,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 13:52:42,573 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 13:52:42,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 13:52:42,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 13:52:42,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 13:52:42,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 13:52:42,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 13:52:42,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 13:52:42,574 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 13:52:42,574 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 13:52:42,574 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 13:52:42,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 13:52:42,575 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 13:52:42,575 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 13:52:42,575 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 13:52:42,575 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 13:52:42,575 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 429546fed7ce98cca10b6fee2111fe4d858ea336d514969d68b4b69efba17a4e [2021-12-18 13:52:42,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 13:52:42,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 13:52:42,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 13:52:42,789 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 13:52:42,790 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 13:52:42,791 INFO L432 ainManager$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-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-12-18 13:52:42,833 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7b898bb1/cf533c3764524d6a9660d42400853003/FLAG20173c02d [2021-12-18 13:52:43,573 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 13:52:43,573 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-12-18 13:52:43,630 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7b898bb1/cf533c3764524d6a9660d42400853003/FLAG20173c02d [2021-12-18 13:52:44,070 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7b898bb1/cf533c3764524d6a9660d42400853003 [2021-12-18 13:52:44,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 13:52:44,077 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 13:52:44,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 13:52:44,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 13:52:44,081 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 13:52:44,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 01:52:44" (1/1) ... [2021-12-18 13:52:44,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f6c7a9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:52:44, skipping insertion in model container [2021-12-18 13:52:44,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 01:52:44" (1/1) ... [2021-12-18 13:52:44,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 13:52:44,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 13:52:47,133 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-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i[549278,549291] [2021-12-18 13:52:47,136 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-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i[549444,549457] [2021-12-18 13:52:47,137 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-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i[549608,549621] [2021-12-18 13:52:47,137 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-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i[549773,549786] [2021-12-18 13:52:47,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 13:52:47,221 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 13:52:47,631 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-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i[549278,549291] [2021-12-18 13:52:47,632 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-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i[549444,549457] [2021-12-18 13:52:47,632 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-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i[549608,549621] [2021-12-18 13:52:47,633 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-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i[549773,549786] [2021-12-18 13:52:47,639 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 13:52:47,861 INFO L208 MainTranslator]: Completed translation [2021-12-18 13:52:47,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:52:47 WrapperNode [2021-12-18 13:52:47,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 13:52:47,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 13:52:47,863 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 13:52:47,863 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 13:52:47,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:52:47" (1/1) ... [2021-12-18 13:52:48,015 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:52:47" (1/1) ... [2021-12-18 13:52:48,307 INFO L137 Inliner]: procedures = 606, calls = 5908, calls flagged for inlining = 318, calls inlined = 304, statements flattened = 12720 [2021-12-18 13:52:48,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 13:52:48,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 13:52:48,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 13:52:48,309 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 13:52:48,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:52:47" (1/1) ... [2021-12-18 13:52:48,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:52:47" (1/1) ... [2021-12-18 13:52:48,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:52:47" (1/1) ... [2021-12-18 13:52:48,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:52:47" (1/1) ... [2021-12-18 13:52:48,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:52:47" (1/1) ... [2021-12-18 13:52:48,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:52:47" (1/1) ... [2021-12-18 13:52:48,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:52:47" (1/1) ... [2021-12-18 13:52:48,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 13:52:48,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 13:52:48,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 13:52:48,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 13:52:48,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:52:47" (1/1) ... [2021-12-18 13:52:48,853 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 13:52:48,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 13:52:48,888 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 13:52:48,905 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 13:52:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure init_realtek_8211b [2021-12-18 13:52:48,915 INFO L138 BoogieDeclarations]: Found implementation of procedure init_realtek_8211b [2021-12-18 13:52:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nway_reset [2021-12-18 13:52:48,915 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nway_reset [2021-12-18 13:52:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-12-18 13:52:48,916 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-12-18 13:52:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure nv_drain_rxtx [2021-12-18 13:52:48,916 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_drain_rxtx [2021-12-18 13:52:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_tx [2021-12-18 13:52:48,917 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_tx [2021-12-18 13:52:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_lock [2021-12-18 13:52:48,917 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_lock [2021-12-18 13:52:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-18 13:52:48,917 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-18 13:52:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 13:52:48,917 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 13:52:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-12-18 13:52:48,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-12-18 13:52:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-18 13:52:48,918 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-18 13:52:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-18 13:52:48,918 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-18 13:52:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure nv_set_multicast [2021-12-18 13:52:48,918 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_set_multicast [2021-12-18 13:52:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 13:52:48,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 13:52:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-18 13:52:48,919 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-18 13:52:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure nv_msi_workaround [2021-12-18 13:52:48,919 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_msi_workaround [2021-12-18 13:52:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_empty_tx_slots [2021-12-18 13:52:48,919 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_empty_tx_slots [2021-12-18 13:52:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-18 13:52:48,919 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-18 13:52:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 13:52:48,920 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 13:52:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-18 13:52:48,920 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-18 13:52:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-18 13:52:48,920 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-18 13:52:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure nv_close [2021-12-18 13:52:48,920 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_close [2021-12-18 13:52:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure dma_high [2021-12-18 13:52:48,921 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_high [2021-12-18 13:52:48,921 INFO L130 BoogieDeclarations]: Found specification of procedure nv_enable_hw_interrupts [2021-12-18 13:52:48,921 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_enable_hw_interrupts [2021-12-18 13:52:48,921 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-18 13:52:48,921 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-18 13:52:48,921 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 13:52:48,922 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 13:52:48,922 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_rxtx [2021-12-18 13:52:48,922 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_rxtx [2021-12-18 13:52:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure nv_vlan_mode [2021-12-18 13:52:48,923 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_vlan_mode [2021-12-18 13:52:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-18 13:52:48,923 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-18 13:52:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 13:52:48,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 13:52:48,924 INFO L130 BoogieDeclarations]: Found specification of procedure init_realtek_8201 [2021-12-18 13:52:48,924 INFO L138 BoogieDeclarations]: Found implementation of procedure init_realtek_8201 [2021-12-18 13:52:48,924 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-18 13:52:48,924 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-18 13:52:48,924 INFO L130 BoogieDeclarations]: Found specification of procedure reg_delay [2021-12-18 13:52:48,924 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_delay [2021-12-18 13:52:48,924 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-18 13:52:48,924 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-18 13:52:48,924 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-18 13:52:48,925 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-18 13:52:48,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 13:52:48,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 13:52:48,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-18 13:52:48,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-18 13:52:48,925 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 13:52:48,926 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 13:52:48,926 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-18 13:52:48,926 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-18 13:52:48,926 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2021-12-18 13:52:48,926 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2021-12-18 13:52:48,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 13:52:48,926 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-18 13:52:48,926 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-18 13:52:48,926 INFO L130 BoogieDeclarations]: Found specification of procedure pci_push [2021-12-18 13:52:48,927 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_push [2021-12-18 13:52:48,927 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2021-12-18 13:52:48,927 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2021-12-18 13:52:48,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-18 13:52:48,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-18 13:52:48,927 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2021-12-18 13:52:48,928 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2021-12-18 13:52:48,928 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-18 13:52:48,928 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-18 13:52:48,928 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 13:52:48,928 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 13:52:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 13:52:48,929 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 13:52:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-18 13:52:48,929 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-18 13:52:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure nv_alloc_rx_optimized [2021-12-18 13:52:48,929 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_alloc_rx_optimized [2021-12-18 13:52:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 13:52:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-12-18 13:52:48,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-12-18 13:52:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 13:52:48,930 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 13:52:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 13:52:48,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 13:52:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq_lockdep [2021-12-18 13:52:48,930 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq_lockdep [2021-12-18 13:52:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 13:52:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 13:52:48,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 13:52:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 13:52:48,932 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 13:52:48,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 13:52:48,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 13:52:48,934 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 13:52:48,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_forcedeth_pci_driver_exit_20_2 [2021-12-18 13:52:48,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_forcedeth_pci_driver_exit_20_2 [2021-12-18 13:52:48,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-18 13:52:48,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-18 13:52:48,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-18 13:52:48,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-18 13:52:48,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 13:52:48,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 13:52:48,940 INFO L130 BoogieDeclarations]: Found specification of procedure nv_drain_tx [2021-12-18 13:52:48,940 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_drain_tx [2021-12-18 13:52:48,940 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_stats [2021-12-18 13:52:48,940 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_stats [2021-12-18 13:52:48,940 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-18 13:52:48,940 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-18 13:52:48,940 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 13:52:48,940 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 13:52:48,940 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_sent_queue [2021-12-18 13:52:48,941 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_sent_queue [2021-12-18 13:52:48,941 INFO L130 BoogieDeclarations]: Found specification of procedure get_hwbase [2021-12-18 13:52:48,941 INFO L138 BoogieDeclarations]: Found implementation of procedure get_hwbase [2021-12-18 13:52:48,941 INFO L130 BoogieDeclarations]: Found specification of procedure setup_hw_rings [2021-12-18 13:52:48,941 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_hw_rings [2021-12-18 13:52:48,941 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_tx [2021-12-18 13:52:48,941 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_tx [2021-12-18 13:52:48,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 13:52:48,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-18 13:52:48,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-18 13:52:48,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-18 13:52:48,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-18 13:52:48,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-18 13:52:48,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-18 13:52:48,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-18 13:52:48,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-18 13:52:48,942 INFO L130 BoogieDeclarations]: Found specification of procedure nv_free_irq [2021-12-18 13:52:48,942 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_free_irq [2021-12-18 13:52:48,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-18 13:52:48,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-18 13:52:48,943 INFO L130 BoogieDeclarations]: Found specification of procedure nv_shutdown [2021-12-18 13:52:48,943 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_shutdown [2021-12-18 13:52:48,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 13:52:48,943 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-18 13:52:48,943 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-18 13:52:48,943 INFO L130 BoogieDeclarations]: Found specification of procedure nv_suspend [2021-12-18 13:52:48,943 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_suspend [2021-12-18 13:52:48,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 13:52:48,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 13:52:48,943 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 13:52:48,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 13:52:48,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 13:52:48,944 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 13:52:48,944 INFO L130 BoogieDeclarations]: Found specification of procedure nv_gear_backoff_reseed [2021-12-18 13:52:48,944 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_gear_backoff_reseed [2021-12-18 13:52:48,944 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 13:52:48,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 13:52:48,944 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-18 13:52:48,944 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-18 13:52:48,944 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-18 13:52:48,944 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-18 13:52:48,945 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2021-12-18 13:52:48,945 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2021-12-18 13:52:48,945 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 13:52:48,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 13:52:48,945 INFO L130 BoogieDeclarations]: Found specification of procedure nv_alloc_rx [2021-12-18 13:52:48,945 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_alloc_rx [2021-12-18 13:52:48,945 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-12-18 13:52:48,945 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-12-18 13:52:48,945 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_other [2021-12-18 13:52:48,945 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_other [2021-12-18 13:52:48,946 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-18 13:52:48,946 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-18 13:52:48,946 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_rx [2021-12-18 13:52:48,946 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_rx [2021-12-18 13:52:48,946 INFO L130 BoogieDeclarations]: Found specification of procedure nv_restore_mac_addr [2021-12-18 13:52:48,946 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_restore_mac_addr [2021-12-18 13:52:48,946 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-18 13:52:48,946 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-18 13:52:48,946 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 13:52:48,946 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 13:52:48,947 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-18 13:52:48,947 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-18 13:52:48,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-18 13:52:48,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-18 13:52:48,947 INFO L130 BoogieDeclarations]: Found specification of procedure nv_napi_disable [2021-12-18 13:52:48,947 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_napi_disable [2021-12-18 13:52:48,947 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2021-12-18 13:52:48,947 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2021-12-18 13:52:48,947 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-18 13:52:48,947 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-18 13:52:48,948 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_timeout [2021-12-18 13:52:48,948 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_timeout [2021-12-18 13:52:48,948 INFO L130 BoogieDeclarations]: Found specification of procedure nv_rx_process_optimized [2021-12-18 13:52:48,948 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_rx_process_optimized [2021-12-18 13:52:48,948 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-18 13:52:48,948 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-18 13:52:48,948 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 13:52:48,948 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 13:52:48,948 INFO L130 BoogieDeclarations]: Found specification of procedure nv_init_ring [2021-12-18 13:52:48,948 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_init_ring [2021-12-18 13:52:48,949 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-12-18 13:52:48,949 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-12-18 13:52:48,949 INFO L130 BoogieDeclarations]: Found specification of procedure nv_legacybackoff_reseed [2021-12-18 13:52:48,949 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_legacybackoff_reseed [2021-12-18 13:52:48,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 13:52:48,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 13:52:48,949 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-18 13:52:48,949 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-18 13:52:48,949 INFO L130 BoogieDeclarations]: Found specification of procedure nv_poll_controller [2021-12-18 13:52:48,949 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_poll_controller [2021-12-18 13:52:48,949 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-18 13:52:48,950 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-18 13:52:48,950 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_done_optimized [2021-12-18 13:52:48,950 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_done_optimized [2021-12-18 13:52:48,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 13:52:48,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 13:52:48,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 13:52:48,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 13:52:48,950 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-18 13:52:48,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-18 13:52:48,950 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_sset_count [2021-12-18 13:52:48,951 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_sset_count [2021-12-18 13:52:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-18 13:52:48,951 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-18 13:52:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-18 13:52:48,951 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-18 13:52:48,953 INFO L130 BoogieDeclarations]: Found specification of procedure nv_txrx_gate [2021-12-18 13:52:48,954 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_txrx_gate [2021-12-18 13:52:48,954 INFO L130 BoogieDeclarations]: Found specification of procedure nv_remove [2021-12-18 13:52:48,954 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_remove [2021-12-18 13:52:48,954 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-18 13:52:48,954 INFO L130 BoogieDeclarations]: Found specification of procedure nv_napi_enable [2021-12-18 13:52:48,954 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_napi_enable [2021-12-18 13:52:48,954 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-12-18 13:52:48,954 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-12-18 13:52:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-18 13:52:48,955 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-18 13:52:48,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-18 13:52:48,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-18 13:52:48,956 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-12-18 13:52:48,956 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-12-18 13:52:48,956 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2021-12-18 13:52:48,956 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2021-12-18 13:52:48,956 INFO L130 BoogieDeclarations]: Found specification of procedure free_rings [2021-12-18 13:52:48,956 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rings [2021-12-18 13:52:48,956 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-18 13:52:48,956 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-18 13:52:48,956 INFO L130 BoogieDeclarations]: Found specification of procedure nv_txrx_reset [2021-12-18 13:52:48,956 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_txrx_reset [2021-12-18 13:52:48,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 13:52:48,957 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 13:52:48,957 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-18 13:52:48,957 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-18 13:52:48,957 INFO L130 BoogieDeclarations]: Found specification of procedure nv_do_nic_poll [2021-12-18 13:52:48,957 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_do_nic_poll [2021-12-18 13:52:48,957 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-12-18 13:52:48,957 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-12-18 13:52:48,957 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-18 13:52:48,957 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-18 13:52:48,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-18 13:52:48,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-18 13:52:48,958 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-18 13:52:48,958 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-18 13:52:48,958 INFO L130 BoogieDeclarations]: Found specification of procedure nv_resume [2021-12-18 13:52:48,958 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_resume [2021-12-18 13:52:48,958 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-18 13:52:48,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-18 13:52:48,958 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-18 13:52:48,958 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-18 13:52:48,958 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2021-12-18 13:52:48,958 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2021-12-18 13:52:48,958 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-18 13:52:48,959 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-18 13:52:48,959 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-18 13:52:48,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-18 13:52:48,959 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-18 13:52:48,959 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-18 13:52:48,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 13:52:48,959 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rw [2021-12-18 13:52:48,959 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rw [2021-12-18 13:52:48,959 INFO L130 BoogieDeclarations]: Found specification of procedure set_msix_vector_map [2021-12-18 13:52:48,960 INFO L138 BoogieDeclarations]: Found implementation of procedure set_msix_vector_map [2021-12-18 13:52:48,960 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-18 13:52:48,960 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-18 13:52:48,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 13:52:48,960 INFO L130 BoogieDeclarations]: Found specification of procedure nv_set_loopback [2021-12-18 13:52:48,960 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_set_loopback [2021-12-18 13:52:48,960 INFO L130 BoogieDeclarations]: Found specification of procedure nv_mac_reset [2021-12-18 13:52:48,960 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_mac_reset [2021-12-18 13:52:48,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 13:52:48,960 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_completed_queue [2021-12-18 13:52:48,961 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_completed_queue [2021-12-18 13:52:48,961 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 13:52:48,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 13:52:48,961 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-18 13:52:48,961 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-18 13:52:48,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-18 13:52:48,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-18 13:52:48,961 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_done [2021-12-18 13:52:48,961 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_done [2021-12-18 13:52:48,961 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-18 13:52:48,961 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-18 13:52:48,962 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-18 13:52:48,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-18 13:52:48,962 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-18 13:52:48,962 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-18 13:52:48,962 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 13:52:48,962 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 13:52:48,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-18 13:52:48,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-18 13:52:48,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 13:52:48,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 13:52:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2021-12-18 13:52:48,963 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2021-12-18 13:52:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-18 13:52:48,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-18 13:52:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure nv_linkchange [2021-12-18 13:52:48,963 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_linkchange [2021-12-18 13:52:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure nv_disable_hw_interrupts [2021-12-18 13:52:48,963 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_disable_hw_interrupts [2021-12-18 13:52:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure set_bufsize [2021-12-18 13:52:48,963 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bufsize [2021-12-18 13:52:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure phy_init [2021-12-18 13:52:48,964 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_init [2021-12-18 13:52:48,964 INFO L130 BoogieDeclarations]: Found specification of procedure dma_low [2021-12-18 13:52:48,964 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_low [2021-12-18 13:52:48,964 INFO L130 BoogieDeclarations]: Found specification of procedure nv_copy_mac_to_hw [2021-12-18 13:52:48,964 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_copy_mac_to_hw [2021-12-18 13:52:48,964 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-18 13:52:48,964 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-18 13:52:48,964 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-18 13:52:48,964 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-18 13:52:48,964 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-18 13:52:48,965 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-18 13:52:48,965 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-18 13:52:48,965 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-18 13:52:48,965 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_tx [2021-12-18 13:52:48,965 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_tx [2021-12-18 13:52:48,965 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_lock_bh [2021-12-18 13:52:48,965 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_lock_bh [2021-12-18 13:52:48,965 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 13:52:48,965 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 13:52:48,965 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_unlock_bh [2021-12-18 13:52:48,965 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_unlock_bh [2021-12-18 13:52:48,966 INFO L130 BoogieDeclarations]: Found specification of procedure nv_force_linkspeed [2021-12-18 13:52:48,966 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_force_linkspeed [2021-12-18 13:52:48,966 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 13:52:48,966 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 13:52:48,966 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_pause [2021-12-18 13:52:48,966 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_pause [2021-12-18 13:52:48,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 13:52:48,966 INFO L130 BoogieDeclarations]: Found specification of procedure nv_init_tx [2021-12-18 13:52:48,966 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_init_tx [2021-12-18 13:52:48,966 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-12-18 13:52:48,967 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-12-18 13:52:48,967 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-18 13:52:48,967 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-18 13:52:48,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 13:52:48,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 13:52:48,967 INFO L130 BoogieDeclarations]: Found specification of procedure nv_enable_irq [2021-12-18 13:52:48,967 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_enable_irq [2021-12-18 13:52:48,967 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-18 13:52:48,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-18 13:52:48,967 INFO L130 BoogieDeclarations]: Found specification of procedure nv_unmap_txskb [2021-12-18 13:52:48,967 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_unmap_txskb [2021-12-18 13:52:48,968 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-12-18 13:52:48,968 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-12-18 13:52:48,968 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_rx [2021-12-18 13:52:48,968 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_rx [2021-12-18 13:52:48,968 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2021-12-18 13:52:48,968 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2021-12-18 13:52:48,968 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-18 13:52:48,968 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-18 13:52:48,968 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-18 13:52:48,968 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-18 13:52:48,969 INFO L130 BoogieDeclarations]: Found specification of procedure nv_getlen [2021-12-18 13:52:48,969 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_getlen [2021-12-18 13:52:48,969 INFO L130 BoogieDeclarations]: Found specification of procedure nv_link_irq [2021-12-18 13:52:48,969 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_link_irq [2021-12-18 13:52:48,969 INFO L130 BoogieDeclarations]: Found specification of procedure nv_optimized [2021-12-18 13:52:48,969 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_optimized [2021-12-18 13:52:48,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2021-12-18 13:52:48,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2021-12-18 13:52:48,969 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_rxtx [2021-12-18 13:52:48,969 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_rxtx [2021-12-18 13:52:48,969 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_linkspeed [2021-12-18 13:52:48,970 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_linkspeed [2021-12-18 13:52:48,970 INFO L130 BoogieDeclarations]: Found specification of procedure using_multi_irqs [2021-12-18 13:52:48,970 INFO L138 BoogieDeclarations]: Found implementation of procedure using_multi_irqs [2021-12-18 13:52:48,970 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock [2021-12-18 13:52:48,970 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock [2021-12-18 13:52:48,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 13:52:48,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 13:52:48,970 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-18 13:52:48,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-18 13:52:48,970 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-18 13:52:48,971 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-18 13:52:48,971 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-12-18 13:52:48,971 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-12-18 13:52:48,971 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_lockdep [2021-12-18 13:52:48,971 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_lockdep [2021-12-18 13:52:48,971 INFO L130 BoogieDeclarations]: Found specification of procedure nv_disable_irq [2021-12-18 13:52:48,971 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_disable_irq [2021-12-18 13:52:48,971 INFO L130 BoogieDeclarations]: Found specification of procedure nv_open [2021-12-18 13:52:48,971 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_open [2021-12-18 13:52:48,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-12-18 13:52:48,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-12-18 13:52:48,972 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_rx [2021-12-18 13:52:48,972 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_rx [2021-12-18 13:52:48,972 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-18 13:52:48,972 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-18 13:52:48,972 INFO L130 BoogieDeclarations]: Found specification of procedure phy_reset [2021-12-18 13:52:48,972 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_reset [2021-12-18 13:52:48,972 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-18 13:52:48,972 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-18 13:52:48,972 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-18 13:52:48,972 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-18 13:52:48,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 13:52:48,973 INFO L130 BoogieDeclarations]: Found specification of procedure get_nvpriv [2021-12-18 13:52:48,973 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nvpriv [2021-12-18 13:52:48,973 INFO L130 BoogieDeclarations]: Found specification of procedure nv_request_irq [2021-12-18 13:52:48,973 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_request_irq [2021-12-18 13:52:48,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 13:52:48,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 13:52:48,973 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_regs_len [2021-12-18 13:52:48,973 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_regs_len [2021-12-18 13:52:50,105 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 13:52:50,108 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 13:52:50,608 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 14:02:23,673 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-18 14:02:23,820 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 14:02:23,854 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 14:02:23,854 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-18 14:02:23,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 02:02:23 BoogieIcfgContainer [2021-12-18 14:02:23,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 14:02:23,860 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 14:02:23,860 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 14:02:23,863 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 14:02:23,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 01:52:44" (1/3) ... [2021-12-18 14:02:23,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38b966a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 02:02:23, skipping insertion in model container [2021-12-18 14:02:23,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:52:47" (2/3) ... [2021-12-18 14:02:23,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38b966a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 02:02:23, skipping insertion in model container [2021-12-18 14:02:23,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 02:02:23" (3/3) ... [2021-12-18 14:02:23,865 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-12-18 14:02:23,872 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 14:02:23,872 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 14:02:23,921 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 14:02:23,927 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 14:02:23,927 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 14:02:23,995 INFO L276 IsEmpty]: Start isEmpty. Operand has 5173 states, 3322 states have (on average 1.3037326911499096) internal successors, (4331), 3440 states have internal predecessors, (4331), 1640 states have call successors, (1640), 211 states have call predecessors, (1640), 210 states have return successors, (1629), 1599 states have call predecessors, (1629), 1629 states have call successors, (1629) [2021-12-18 14:02:24,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-12-18 14:02:24,010 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:02:24,010 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:02:24,011 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 14:02:24,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:02:24,014 INFO L85 PathProgramCache]: Analyzing trace with hash 2033539809, now seen corresponding path program 1 times [2021-12-18 14:02:24,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:02:24,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631353302] [2021-12-18 14:02:24,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:02:24,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:02:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:25,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:02:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:25,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:02:25,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:25,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:02:25,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:25,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:02:25,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:25,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:02:25,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:25,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:02:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:25,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:02:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:25,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:02:25,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:25,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:02:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:25,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:02:25,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:25,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:02:25,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:25,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:02:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:25,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:02:25,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:25,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:02:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:25,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:02:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:25,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:02:25,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:25,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:02:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:25,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:02:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:25,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:02:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:25,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:02:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:25,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:02:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:25,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:02:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:25,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:02:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:25,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:02:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:25,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:02:25,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:25,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:02:25,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:25,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:02:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:25,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:02:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:25,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:02:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:25,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:02:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:25,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:02:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:25,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:02:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:25,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:02:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:25,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:02:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:26,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:02:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:26,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:02:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:26,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:02:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:26,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:02:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:26,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:02:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:26,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:02:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:26,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:02:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:26,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:02:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:26,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:02:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:26,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:02:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:26,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:02:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:26,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:02:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:26,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:02:26,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:26,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:02:26,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:26,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-18 14:02:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:26,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-18 14:02:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:02:26,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2021-12-18 14:02:26,098 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:02:26,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631353302] [2021-12-18 14:02:26,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631353302] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:02:26,099 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:02:26,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 14:02:26,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462189728] [2021-12-18 14:02:26,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:02:26,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 14:02:26,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:02:26,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 14:02:26,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 14:02:26,130 INFO L87 Difference]: Start difference. First operand has 5173 states, 3322 states have (on average 1.3037326911499096) internal successors, (4331), 3440 states have internal predecessors, (4331), 1640 states have call successors, (1640), 211 states have call predecessors, (1640), 210 states have return successors, (1629), 1599 states have call predecessors, (1629), 1629 states have call successors, (1629) Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-18 14:02:28,259 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:02:30,644 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:03:02,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:03:02,881 INFO L93 Difference]: Finished difference Result 16145 states and 24174 transitions. [2021-12-18 14:03:02,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 14:03:02,883 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 292 [2021-12-18 14:03:02,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:03:02,987 INFO L225 Difference]: With dead ends: 16145 [2021-12-18 14:03:02,987 INFO L226 Difference]: Without dead ends: 11008 [2021-12-18 14:03:03,027 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:03:03,031 INFO L933 BasicCegarLoop]: 8274 mSDtfsCounter, 9733 mSDsluCounter, 8209 mSDsCounter, 0 mSdLazyCounter, 5768 mSolverCounterSat, 5446 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11376 SdHoareTripleChecker+Valid, 16483 SdHoareTripleChecker+Invalid, 11216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5446 IncrementalHoareTripleChecker+Valid, 5768 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.5s IncrementalHoareTripleChecker+Time [2021-12-18 14:03:03,032 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11376 Valid, 16483 Invalid, 11216 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5446 Valid, 5768 Invalid, 2 Unknown, 0 Unchecked, 35.5s Time] [2021-12-18 14:03:03,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11008 states. [2021-12-18 14:03:03,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11008 to 10134. [2021-12-18 14:03:03,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10134 states, 6506 states have (on average 1.2949584998462957) internal successors, (8425), 6739 states have internal predecessors, (8425), 3211 states have call successors, (3211), 417 states have call predecessors, (3211), 416 states have return successors, (3207), 3147 states have call predecessors, (3207), 3207 states have call successors, (3207) [2021-12-18 14:03:03,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10134 states to 10134 states and 14843 transitions. [2021-12-18 14:03:03,645 INFO L78 Accepts]: Start accepts. Automaton has 10134 states and 14843 transitions. Word has length 292 [2021-12-18 14:03:03,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:03:03,648 INFO L470 AbstractCegarLoop]: Abstraction has 10134 states and 14843 transitions. [2021-12-18 14:03:03,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-18 14:03:03,649 INFO L276 IsEmpty]: Start isEmpty. Operand 10134 states and 14843 transitions. [2021-12-18 14:03:03,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-12-18 14:03:03,666 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:03:03,667 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:03:03,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 14:03:03,667 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 14:03:03,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:03:03,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1811769276, now seen corresponding path program 1 times [2021-12-18 14:03:03,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:03:03,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194397507] [2021-12-18 14:03:03,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:03:03,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:03:04,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:03:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:04,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:03:04,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:04,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:03:04,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:04,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:03:04,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:03:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:04,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:03:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:04,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:03:04,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:04,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:03:04,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:04,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:03:04,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:03:04,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:04,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:03:04,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:04,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:03:04,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:03:04,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:03:04,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:03:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:04,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:03:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:04,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:03:04,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:03:04,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:04,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:03:04,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:04,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:03:04,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:04,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:03:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:03:04,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:03:04,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:04,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:03:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:04,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-18 14:03:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:05,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-18 14:03:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:05,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-18 14:03:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:05,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-18 14:03:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:05,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 14:03:05,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:05,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:05,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 14:03:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:05,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 14:03:05,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:05,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-18 14:03:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:05,075 INFO L134 CoverageAnalysis]: Checked inductivity of 2824 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2814 trivial. 0 not checked. [2021-12-18 14:03:05,075 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:03:05,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194397507] [2021-12-18 14:03:05,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194397507] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:03:05,076 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:03:05,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 14:03:05,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764778887] [2021-12-18 14:03:05,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:03:05,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 14:03:05,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:03:05,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 14:03:05,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 14:03:05,079 INFO L87 Difference]: Start difference. First operand 10134 states and 14843 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, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-18 14:03:07,194 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:03:09,559 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:03:48,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:03:48,352 INFO L93 Difference]: Finished difference Result 21537 states and 31789 transitions. [2021-12-18 14:03:48,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 14:03:48,353 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, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 348 [2021-12-18 14:03:48,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:03:48,459 INFO L225 Difference]: With dead ends: 21537 [2021-12-18 14:03:48,460 INFO L226 Difference]: Without dead ends: 16452 [2021-12-18 14:03:48,489 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:03:48,490 INFO L933 BasicCegarLoop]: 13892 mSDtfsCounter, 7651 mSDsluCounter, 10556 mSDsCounter, 0 mSdLazyCounter, 5814 mSolverCounterSat, 3811 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9289 SdHoareTripleChecker+Valid, 24448 SdHoareTripleChecker+Invalid, 9627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3811 IncrementalHoareTripleChecker+Valid, 5814 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.8s IncrementalHoareTripleChecker+Time [2021-12-18 14:03:48,491 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9289 Valid, 24448 Invalid, 9627 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3811 Valid, 5814 Invalid, 2 Unknown, 0 Unchecked, 41.8s Time] [2021-12-18 14:03:48,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16452 states. [2021-12-18 14:03:49,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16452 to 15141. [2021-12-18 14:03:49,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15141 states, 9724 states have (on average 1.2954545454545454) internal successors, (12597), 10072 states have internal predecessors, (12597), 4793 states have call successors, (4793), 624 states have call predecessors, (4793), 623 states have return successors, (4789), 4699 states have call predecessors, (4789), 4789 states have call successors, (4789) [2021-12-18 14:03:49,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15141 states to 15141 states and 22179 transitions. [2021-12-18 14:03:49,138 INFO L78 Accepts]: Start accepts. Automaton has 15141 states and 22179 transitions. Word has length 348 [2021-12-18 14:03:49,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:03:49,139 INFO L470 AbstractCegarLoop]: Abstraction has 15141 states and 22179 transitions. [2021-12-18 14:03:49,141 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, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-12-18 14:03:49,142 INFO L276 IsEmpty]: Start isEmpty. Operand 15141 states and 22179 transitions. [2021-12-18 14:03:49,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-12-18 14:03:49,153 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:03:49,154 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:03:49,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 14:03:49,154 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 14:03:49,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:03:49,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1952317886, now seen corresponding path program 1 times [2021-12-18 14:03:49,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:03:49,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118481880] [2021-12-18 14:03:49,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:03:49,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:03:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:03:50,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:03:50,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:03:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:03:50,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:03:50,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:03:50,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:50,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:03:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:03:50,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:03:50,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:03:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:03:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:03:50,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:03:50,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:50,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:03:50,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:50,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:03:50,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:03:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:50,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:03:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:03:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:03:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:03:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:03:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:03:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:03:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:03:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:50,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-18 14:03:50,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-18 14:03:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-18 14:03:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-18 14:03:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 14:03:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:03:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 14:03:50,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 14:03:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-18 14:03:50,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:03:50,681 INFO L134 CoverageAnalysis]: Checked inductivity of 2824 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2824 trivial. 0 not checked. [2021-12-18 14:03:50,681 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:03:50,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118481880] [2021-12-18 14:03:50,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118481880] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:03:50,681 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:03:50,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 14:03:50,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501303957] [2021-12-18 14:03:50,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:03:50,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 14:03:50,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:03:50,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 14:03:50,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 14:03:50,683 INFO L87 Difference]: Start difference. First operand 15141 states and 22179 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-18 14:03:52,797 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 14:04:25,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:04:25,505 INFO L93 Difference]: Finished difference Result 16458 states and 24350 transitions. [2021-12-18 14:04:25,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 14:04:25,505 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 348 [2021-12-18 14:04:25,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:04:25,613 INFO L225 Difference]: With dead ends: 16458 [2021-12-18 14:04:25,613 INFO L226 Difference]: Without dead ends: 16456 [2021-12-18 14:04:25,626 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 14:04:25,627 INFO L933 BasicCegarLoop]: 7074 mSDtfsCounter, 7704 mSDsluCounter, 13702 mSDsCounter, 0 mSdLazyCounter, 6296 mSolverCounterSat, 3778 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8670 SdHoareTripleChecker+Valid, 20776 SdHoareTripleChecker+Invalid, 10075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3778 IncrementalHoareTripleChecker+Valid, 6296 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.4s IncrementalHoareTripleChecker+Time [2021-12-18 14:04:25,627 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8670 Valid, 20776 Invalid, 10075 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3778 Valid, 6296 Invalid, 1 Unknown, 0 Unchecked, 33.4s Time] [2021-12-18 14:04:25,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16456 states. [2021-12-18 14:04:26,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16456 to 15145. [2021-12-18 14:04:26,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15145 states, 9727 states have (on average 1.2953634214043384) internal successors, (12600), 10075 states have internal predecessors, (12600), 4793 states have call successors, (4793), 625 states have call predecessors, (4793), 624 states have return successors, (4789), 4699 states have call predecessors, (4789), 4789 states have call successors, (4789) [2021-12-18 14:04:26,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15145 states to 15145 states and 22182 transitions. [2021-12-18 14:04:26,226 INFO L78 Accepts]: Start accepts. Automaton has 15145 states and 22182 transitions. Word has length 348 [2021-12-18 14:04:26,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:04:26,230 INFO L470 AbstractCegarLoop]: Abstraction has 15145 states and 22182 transitions. [2021-12-18 14:04:26,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-18 14:04:26,230 INFO L276 IsEmpty]: Start isEmpty. Operand 15145 states and 22182 transitions. [2021-12-18 14:04:26,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2021-12-18 14:04:26,242 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:04:26,242 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:04:26,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 14:04:26,242 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 14:04:26,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:04:26,243 INFO L85 PathProgramCache]: Analyzing trace with hash 498416837, now seen corresponding path program 1 times [2021-12-18 14:04:26,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:04:26,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138326034] [2021-12-18 14:04:26,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:04:26,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:04:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:04:27,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:04:27,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:04:27,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:04:27,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:04:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:04:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:04:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:04:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:04:27,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:04:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:04:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:04:27,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:04:27,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:04:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:04:27,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:04:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:04:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:04:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:04:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:04:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:04:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:04:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:04:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:04:27,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:04:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:04:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:04:27,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:04:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:04:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:04:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:04:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:04:27,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:04:27,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:04:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:04:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:04:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:04:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:04:27,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:04:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:04:27,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:04:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:04:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:04:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:04:27,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:04:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:04:27,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:04:27,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:04:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-18 14:04:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-18 14:04:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-18 14:04:27,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-18 14:04:27,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 14:04:27,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:04:27,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 14:04:27,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 14:04:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-18 14:04:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 14:04:27,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:04:27,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2826 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2824 trivial. 0 not checked. [2021-12-18 14:04:27,761 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:04:27,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138326034] [2021-12-18 14:04:27,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138326034] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:04:27,762 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:04:27,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 14:04:27,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19563904] [2021-12-18 14:04:27,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:04:27,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 14:04:27,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:04:27,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 14:04:27,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 14:04:27,763 INFO L87 Difference]: Start difference. First operand 15145 states and 22182 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-12-18 14:04:29,889 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 14:05:04,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:05:04,905 INFO L93 Difference]: Finished difference Result 16462 states and 24353 transitions. [2021-12-18 14:05:04,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 14:05:04,906 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 353 [2021-12-18 14:05:04,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:05:05,113 INFO L225 Difference]: With dead ends: 16462 [2021-12-18 14:05:05,113 INFO L226 Difference]: Without dead ends: 16458 [2021-12-18 14:05:05,139 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 14:05:05,141 INFO L933 BasicCegarLoop]: 7063 mSDtfsCounter, 7707 mSDsluCounter, 13671 mSDsCounter, 0 mSdLazyCounter, 6290 mSolverCounterSat, 3779 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8676 SdHoareTripleChecker+Valid, 20734 SdHoareTripleChecker+Invalid, 10070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3779 IncrementalHoareTripleChecker+Valid, 6290 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.0s IncrementalHoareTripleChecker+Time [2021-12-18 14:05:05,142 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8676 Valid, 20734 Invalid, 10070 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3779 Valid, 6290 Invalid, 1 Unknown, 0 Unchecked, 36.0s Time] [2021-12-18 14:05:05,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16458 states. [2021-12-18 14:05:05,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16458 to 15147. [2021-12-18 14:05:05,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15147 states, 9729 states have (on average 1.2951999177716107) internal successors, (12601), 10076 states have internal predecessors, (12601), 4793 states have call successors, (4793), 626 states have call predecessors, (4793), 624 states have return successors, (4789), 4699 states have call predecessors, (4789), 4789 states have call successors, (4789) [2021-12-18 14:05:05,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15147 states to 15147 states and 22183 transitions. [2021-12-18 14:05:05,797 INFO L78 Accepts]: Start accepts. Automaton has 15147 states and 22183 transitions. Word has length 353 [2021-12-18 14:05:05,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:05:05,798 INFO L470 AbstractCegarLoop]: Abstraction has 15147 states and 22183 transitions. [2021-12-18 14:05:05,798 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-12-18 14:05:05,798 INFO L276 IsEmpty]: Start isEmpty. Operand 15147 states and 22183 transitions. [2021-12-18 14:05:05,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2021-12-18 14:05:05,814 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:05:05,814 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:05:05,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 14:05:05,815 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 14:05:05,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:05:05,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1824122334, now seen corresponding path program 1 times [2021-12-18 14:05:05,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:05:05,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853775034] [2021-12-18 14:05:05,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:05:05,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:05:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:06,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:05:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:06,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:05:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:06,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:05:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:06,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:05:06,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:06,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:05:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:06,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:05:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:06,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:05:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:06,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:05:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:06,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:05:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:05:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:05:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:05:07,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:05:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:05:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:05:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:05:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:05:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:05:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:05:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:05:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:05:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:05:07,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:05:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:05:07,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:05:07,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:05:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:05:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:05:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:05:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:05:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:05:07,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:05:07,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:05:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:05:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:05:07,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:05:07,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:05:07,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:05:07,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:05:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:05:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:05:07,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:05:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:05:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:05:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:05:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:05:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:05:07,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:05:07,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-18 14:05:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-18 14:05:07,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-18 14:05:07,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-18 14:05:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 14:05:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:05:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 14:05:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 14:05:07,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-18 14:05:07,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 14:05:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-18 14:05:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:05:07,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2832 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2828 trivial. 0 not checked. [2021-12-18 14:05:07,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:05:07,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853775034] [2021-12-18 14:05:07,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853775034] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:05:07,420 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:05:07,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 14:05:07,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431144993] [2021-12-18 14:05:07,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:05:07,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 14:05:07,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:05:07,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 14:05:07,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 14:05:07,422 INFO L87 Difference]: Start difference. First operand 15147 states and 22183 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-12-18 14:05:09,547 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 14:05:42,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:05:42,988 INFO L93 Difference]: Finished difference Result 16458 states and 24349 transitions. [2021-12-18 14:05:42,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 14:05:42,989 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 358 [2021-12-18 14:05:42,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:05:42,991 INFO L225 Difference]: With dead ends: 16458 [2021-12-18 14:05:42,991 INFO L226 Difference]: Without dead ends: 0 [2021-12-18 14:05:43,086 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 14:05:43,087 INFO L933 BasicCegarLoop]: 7090 mSDtfsCounter, 7676 mSDsluCounter, 13731 mSDsCounter, 0 mSdLazyCounter, 6285 mSolverCounterSat, 3768 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8645 SdHoareTripleChecker+Valid, 20821 SdHoareTripleChecker+Invalid, 10054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3768 IncrementalHoareTripleChecker+Valid, 6285 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.5s IncrementalHoareTripleChecker+Time [2021-12-18 14:05:43,087 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8645 Valid, 20821 Invalid, 10054 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3768 Valid, 6285 Invalid, 1 Unknown, 0 Unchecked, 34.5s Time] [2021-12-18 14:05:43,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-18 14:05:43,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-18 14:05:43,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-18 14:05:43,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-18 14:05:43,091 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 358 [2021-12-18 14:05:43,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:05:43,091 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-18 14:05:43,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-12-18 14:05:43,091 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-18 14:05:43,091 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-18 14:05:43,093 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-18 14:05:43,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 14:05:43,095 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. Killed by 15