./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-vmxnet3-vmxnet3.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-vmxnet3-vmxnet3.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0244ba3afa8f7ad22495f5a8471d06f23526d33a8faf745362384ed0d07d3bd9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 10:50:38,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 10:50:38,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 10:50:38,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 10:50:38,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 10:50:38,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 10:50:38,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 10:50:38,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 10:50:38,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 10:50:38,603 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 10:50:38,603 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 10:50:38,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 10:50:38,606 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 10:50:38,608 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 10:50:38,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 10:50:38,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 10:50:38,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 10:50:38,613 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 10:50:38,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 10:50:38,615 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 10:50:38,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 10:50:38,617 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 10:50:38,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 10:50:38,619 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 10:50:38,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 10:50:38,624 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 10:50:38,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 10:50:38,625 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 10:50:38,626 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 10:50:38,627 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 10:50:38,627 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 10:50:38,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 10:50:38,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 10:50:38,629 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 10:50:38,630 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 10:50:38,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 10:50:38,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 10:50:38,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 10:50:38,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 10:50:38,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 10:50:38,633 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 10:50:38,635 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 10:50:38,653 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 10:50:38,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 10:50:38,656 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 10:50:38,656 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 10:50:38,657 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 10:50:38,657 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 10:50:38,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 10:50:38,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 10:50:38,658 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 10:50:38,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 10:50:38,659 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 10:50:38,659 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 10:50:38,659 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 10:50:38,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 10:50:38,659 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 10:50:38,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 10:50:38,660 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 10:50:38,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 10:50:38,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 10:50:38,660 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 10:50:38,660 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 10:50:38,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 10:50:38,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 10:50:38,661 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 10:50:38,661 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 10:50:38,661 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 10:50:38,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 10:50:38,661 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 10:50:38,661 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 10:50:38,661 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 10:50:38,661 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 10:50:38,662 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0244ba3afa8f7ad22495f5a8471d06f23526d33a8faf745362384ed0d07d3bd9 [2021-11-17 10:50:38,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 10:50:38,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 10:50:38,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 10:50:38,929 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 10:50:38,931 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 10:50:38,933 INFO L432 ainManager$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-vmxnet3-vmxnet3.cil.i [2021-11-17 10:50:38,979 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83fe26e5b/487209fc19e14619a95b0cd5d0a1e72d/FLAG7863a425d [2021-11-17 10:50:39,742 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 10:50:39,743 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-vmxnet3-vmxnet3.cil.i [2021-11-17 10:50:39,806 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83fe26e5b/487209fc19e14619a95b0cd5d0a1e72d/FLAG7863a425d [2021-11-17 10:50:39,960 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83fe26e5b/487209fc19e14619a95b0cd5d0a1e72d [2021-11-17 10:50:39,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 10:50:39,964 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 10:50:39,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 10:50:39,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 10:50:39,970 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 10:50:39,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 10:50:39" (1/1) ... [2021-11-17 10:50:39,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1696f8d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:50:39, skipping insertion in model container [2021-11-17 10:50:39,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 10:50:39" (1/1) ... [2021-11-17 10:50:39,977 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 10:50:40,121 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 10:50:43,448 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-vmxnet3-vmxnet3.cil.i[509907,509920] [2021-11-17 10:50:43,450 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-vmxnet3-vmxnet3.cil.i[510073,510086] [2021-11-17 10:50:43,451 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-vmxnet3-vmxnet3.cil.i[510237,510250] [2021-11-17 10:50:43,451 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-vmxnet3-vmxnet3.cil.i[510402,510415] [2021-11-17 10:50:43,475 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 10:50:43,538 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 10:50:43,907 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-vmxnet3-vmxnet3.cil.i[509907,509920] [2021-11-17 10:50:43,908 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-vmxnet3-vmxnet3.cil.i[510073,510086] [2021-11-17 10:50:43,908 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-vmxnet3-vmxnet3.cil.i[510237,510250] [2021-11-17 10:50:43,909 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-vmxnet3-vmxnet3.cil.i[510402,510415] [2021-11-17 10:50:43,915 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 10:50:44,043 INFO L208 MainTranslator]: Completed translation [2021-11-17 10:50:44,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:50:44 WrapperNode [2021-11-17 10:50:44,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 10:50:44,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 10:50:44,045 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 10:50:44,045 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 10:50:44,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:50:44" (1/1) ... [2021-11-17 10:50:44,190 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:50:44" (1/1) ... [2021-11-17 10:50:44,420 INFO L137 Inliner]: procedures = 563, calls = 3960, calls flagged for inlining = 326, calls inlined = 274, statements flattened = 8531 [2021-11-17 10:50:44,421 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 10:50:44,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 10:50:44,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 10:50:44,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 10:50:44,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:50:44" (1/1) ... [2021-11-17 10:50:44,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:50:44" (1/1) ... [2021-11-17 10:50:44,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:50:44" (1/1) ... [2021-11-17 10:50:44,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:50:44" (1/1) ... [2021-11-17 10:50:44,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:50:44" (1/1) ... [2021-11-17 10:50:44,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:50:44" (1/1) ... [2021-11-17 10:50:44,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:50:44" (1/1) ... [2021-11-17 10:50:44,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 10:50:44,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 10:50:44,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 10:50:44,796 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 10:50:44,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:50:44" (1/1) ... [2021-11-17 10:50:44,802 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 10:50:44,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 10:50:44,819 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-17 10:50:44,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-17 10:50:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_stop [2021-11-17 10:50:44,852 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_stop [2021-11-17 10:50:44,852 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_desc_avail [2021-11-17 10:50:44,852 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_desc_avail [2021-11-17 10:50:44,852 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_reset_dev [2021-11-17 10:50:44,852 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_reset_dev [2021-11-17 10:50:44,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 10:50:44,852 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 10:50:44,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-11-17 10:50:44,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-11-17 10:50:44,853 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-17 10:50:44,853 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-17 10:50:44,853 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_resume [2021-11-17 10:50:44,853 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_resume [2021-11-17 10:50:44,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 10:50:44,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 10:50:44,853 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-17 10:50:44,853 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-17 10:50:44,854 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-17 10:50:44,854 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-17 10:50:44,854 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-17 10:50:44,854 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-17 10:50:44,854 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-17 10:50:44,854 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-17 10:50:44,854 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 10:50:44,854 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 10:50:44,854 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_alloc_rx_buf [2021-11-17 10:50:44,855 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_alloc_rx_buf [2021-11-17 10:50:44,855 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-11-17 10:50:44,855 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-11-17 10:50:44,855 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-11-17 10:50:44,855 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-11-17 10:50:44,855 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_get_sset_count [2021-11-17 10:50:44,856 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_get_sset_count [2021-11-17 10:50:44,856 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-17 10:50:44,856 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-17 10:50:44,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 10:50:44,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 10:50:44,856 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-17 10:50:44,856 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-17 10:50:44,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 10:50:44,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 10:50:44,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-17 10:50:44,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-17 10:50:44,857 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-17 10:50:44,857 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-17 10:50:44,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 10:50:44,857 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-17 10:50:44,858 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-17 10:50:44,858 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_restore_vlan [2021-11-17 10:50:44,858 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_restore_vlan [2021-11-17 10:50:44,859 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_comp_ring_adv_next2proc [2021-11-17 10:50:44,859 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_comp_ring_adv_next2proc [2021-11-17 10:50:44,859 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-17 10:50:44,859 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-17 10:50:44,859 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2021-11-17 10:50:44,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2021-11-17 10:50:44,860 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-17 10:50:44,860 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-17 10:50:44,860 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2021-11-17 10:50:44,860 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2021-11-17 10:50:44,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 10:50:44,860 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-17 10:50:44,860 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-17 10:50:44,860 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-17 10:50:44,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-17 10:50:44,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 10:50:44,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 10:50:44,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 10:50:44,861 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_destroy [2021-11-17 10:50:44,861 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_destroy [2021-11-17 10:50:44,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 10:50:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_unmap_tx_buf [2021-11-17 10:50:44,862 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_unmap_tx_buf [2021-11-17 10:50:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-17 10:50:44,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-17 10:50:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 10:50:44,862 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 10:50:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-17 10:50:44,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-17 10:50:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-17 10:50:44,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-17 10:50:44,863 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-11-17 10:50:44,863 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-11-17 10:50:44,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-17 10:50:44,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-17 10:50:44,864 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-17 10:50:44,864 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-17 10:50:44,864 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-17 10:50:44,864 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-17 10:50:44,864 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_destroy [2021-11-17 10:50:44,864 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_destroy [2021-11-17 10:50:44,865 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-17 10:50:44,865 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-17 10:50:44,865 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_request_irqs [2021-11-17 10:50:44,865 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_request_irqs [2021-11-17 10:50:44,865 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_create [2021-11-17 10:50:44,865 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_create [2021-11-17 10:50:44,865 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-17 10:50:44,865 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-17 10:50:44,865 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_enable_intr [2021-11-17 10:50:44,866 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_enable_intr [2021-11-17 10:50:44,866 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_remove_device [2021-11-17 10:50:44,866 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_remove_device [2021-11-17 10:50:44,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 10:50:44,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-17 10:50:44,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-17 10:50:44,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-17 10:50:44,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-17 10:50:44,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-17 10:50:44,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-17 10:50:44,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-17 10:50:44,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-17 10:50:44,870 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-17 10:50:44,870 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-17 10:50:44,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 10:50:44,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 10:50:44,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 10:50:44,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 10:50:44,871 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 10:50:44,871 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 10:50:44,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 10:50:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 10:50:44,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 10:50:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_irqs [2021-11-17 10:50:44,876 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_irqs [2021-11-17 10:50:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_set_mc [2021-11-17 10:50:44,876 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_set_mc [2021-11-17 10:50:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-17 10:50:44,876 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-17 10:50:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-17 10:50:44,876 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-17 10:50:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-17 10:50:44,877 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-17 10:50:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_check_link [2021-11-17 10:50:44,877 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_check_link [2021-11-17 10:50:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-17 10:50:44,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-17 10:50:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-11-17 10:50:44,877 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-11-17 10:50:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_adv_next2fill [2021-11-17 10:50:44,877 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_adv_next2fill [2021-11-17 10:50:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-17 10:50:44,877 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-17 10:50:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-17 10:50:44,878 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-17 10:50:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_intr_resources [2021-11-17 10:50:44,878 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_intr_resources [2021-11-17 10:50:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_destroy_all [2021-11-17 10:50:44,878 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_destroy_all [2021-11-17 10:50:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 10:50:44,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 10:50:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-17 10:50:44,878 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-17 10:50:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 10:50:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_adjust_rx_ring_size [2021-11-17 10:50:44,879 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_adjust_rx_ring_size [2021-11-17 10:50:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 10:50:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 10:50:44,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 10:50:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-17 10:50:44,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-17 10:50:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-17 10:50:44,879 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-17 10:50:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-17 10:50:44,880 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-17 10:50:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-17 10:50:44,880 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-17 10:50:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-17 10:50:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-17 10:50:44,880 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-17 10:50:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-17 10:50:44,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-17 10:50:44,880 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_quiesce_dev [2021-11-17 10:50:44,880 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_quiesce_dev [2021-11-17 10:50:44,881 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_adv_next2comp [2021-11-17 10:50:44,881 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_adv_next2comp [2021-11-17 10:50:44,881 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-17 10:50:44,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-17 10:50:44,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 10:50:44,881 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 10:50:44,881 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_cleanup_all [2021-11-17 10:50:44,881 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_cleanup_all [2021-11-17 10:50:44,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-17 10:50:44,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-17 10:50:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-17 10:50:44,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-17 10:50:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-17 10:50:44,882 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-17 10:50:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-17 10:50:44,882 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-17 10:50:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-17 10:50:44,882 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-17 10:50:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 10:50:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-17 10:50:44,882 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-17 10:50:44,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 10:50:44,883 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-11-17 10:50:44,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-11-17 10:50:44,883 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-17 10:50:44,883 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-17 10:50:44,883 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_disable_intr [2021-11-17 10:50:44,883 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_disable_intr [2021-11-17 10:50:44,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 10:50:44,883 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-17 10:50:44,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-17 10:50:44,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-17 10:50:44,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-17 10:50:44,884 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_process_events [2021-11-17 10:50:44,884 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_process_events [2021-11-17 10:50:44,884 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-17 10:50:44,884 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-17 10:50:44,884 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 10:50:44,884 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 10:50:44,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-17 10:50:44,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-17 10:50:44,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 10:50:44,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 10:50:44,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-17 10:50:44,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-17 10:50:44,885 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_intr [2021-11-17 10:50:44,885 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_intr [2021-11-17 10:50:44,885 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_destroy_all [2021-11-17 10:50:44,885 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_destroy_all [2021-11-17 10:50:44,885 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-17 10:50:44,885 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-17 10:50:44,885 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2021-11-17 10:50:44,885 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2021-11-17 10:50:44,886 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-17 10:50:44,886 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-17 10:50:44,886 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-17 10:50:44,886 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-17 10:50:44,886 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2021-11-17 10:50:44,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2021-11-17 10:50:44,886 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_pci_resources [2021-11-17 10:50:44,886 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_pci_resources [2021-11-17 10:50:44,886 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 10:50:44,886 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 10:50:44,887 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_disable_all_intrs [2021-11-17 10:50:44,887 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_disable_all_intrs [2021-11-17 10:50:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 10:50:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_6 [2021-11-17 10:50:44,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_6 [2021-11-17 10:50:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 10:50:44,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 10:50:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_tx_complete [2021-11-17 10:50:44,890 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_tx_complete [2021-11-17 10:50:44,891 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-17 10:50:44,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-17 10:50:44,891 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-17 10:50:44,892 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-17 10:50:44,892 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-17 10:50:44,892 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-17 10:50:44,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vmxnet3_exit_module_19_2 [2021-11-17 10:50:44,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vmxnet3_exit_module_19_2 [2021-11-17 10:50:44,892 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_enable_all_intrs [2021-11-17 10:50:44,892 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_enable_all_intrs [2021-11-17 10:50:44,892 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-17 10:50:44,892 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-17 10:50:44,892 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_create_queues [2021-11-17 10:50:44,893 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_create_queues [2021-11-17 10:50:44,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2021-11-17 10:50:44,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2021-11-17 10:50:44,893 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_force_close [2021-11-17 10:50:44,893 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_force_close [2021-11-17 10:50:44,893 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-17 10:50:44,893 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-17 10:50:44,893 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_alloc_intr_resources [2021-11-17 10:50:44,893 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_alloc_intr_resources [2021-11-17 10:50:44,893 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_activate_dev [2021-11-17 10:50:44,893 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_activate_dev [2021-11-17 10:50:44,893 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_write_mac_addr [2021-11-17 10:50:44,894 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_write_mac_addr [2021-11-17 10:50:44,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 10:50:44,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 10:50:44,894 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-17 10:50:44,894 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-17 10:50:44,894 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-17 10:50:44,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-17 10:50:44,894 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_msix_rx [2021-11-17 10:50:44,894 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_msix_rx [2021-11-17 10:50:44,894 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-17 10:50:44,894 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-17 10:50:44,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-11-17 10:50:44,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-11-17 10:50:44,895 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-17 10:50:44,895 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-17 10:50:44,895 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-17 10:50:44,895 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-17 10:50:44,895 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-17 10:50:44,895 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-17 10:50:44,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 10:50:44,895 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_get_regs_len [2021-11-17 10:50:44,896 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_get_regs_len [2021-11-17 10:50:44,896 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-17 10:50:44,896 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-17 10:50:44,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-17 10:50:44,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-17 10:50:44,896 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_suspend [2021-11-17 10:50:44,896 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_suspend [2021-11-17 10:50:44,896 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2021-11-17 10:50:44,896 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2021-11-17 10:50:45,622 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 10:50:45,625 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 10:50:45,870 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 11:02:29,058 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-17 11:02:29,131 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 11:02:29,164 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 11:02:29,164 INFO L301 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-17 11:02:29,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 11:02:29 BoogieIcfgContainer [2021-11-17 11:02:29,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 11:02:29,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 11:02:29,169 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 11:02:29,171 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 11:02:29,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 10:50:39" (1/3) ... [2021-11-17 11:02:29,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f698c34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 11:02:29, skipping insertion in model container [2021-11-17 11:02:29,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:50:44" (2/3) ... [2021-11-17 11:02:29,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f698c34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 11:02:29, skipping insertion in model container [2021-11-17 11:02:29,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 11:02:29" (3/3) ... [2021-11-17 11:02:29,174 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-vmxnet3-vmxnet3.cil.i [2021-11-17 11:02:29,177 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 11:02:29,177 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 11:02:29,225 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 11:02:29,230 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-17 11:02:29,230 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 11:02:29,281 INFO L276 IsEmpty]: Start isEmpty. Operand has 2868 states, 2060 states have (on average 1.2917475728155339) internal successors, (2661), 2095 states have internal predecessors, (2661), 666 states have call successors, (666), 142 states have call predecessors, (666), 141 states have return successors, (655), 649 states have call predecessors, (655), 655 states have call successors, (655) [2021-11-17 11:02:29,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-11-17 11:02:29,296 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:02:29,297 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:02:29,297 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] === [2021-11-17 11:02:29,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:02:29,301 INFO L85 PathProgramCache]: Analyzing trace with hash -2074759449, now seen corresponding path program 1 times [2021-11-17 11:02:29,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:02:29,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890081175] [2021-11-17 11:02:29,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:02:29,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:02:29,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:02:30,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:02:30,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:02:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:02:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:02:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:02:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:30,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:02:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:02:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:02:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:02:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:02:30,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:02:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:02:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:02:30,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:02:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:02:30,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:30,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:02:30,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:02:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:30,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:02:30,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:02:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:30,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:02:30,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:30,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:02:30,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:30,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-17 11:02:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-11-17 11:02:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:30,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2021-11-17 11:02:30,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:02:30,815 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890081175] [2021-11-17 11:02:30,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890081175] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:02:30,816 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:02:30,816 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 11:02:30,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484449631] [2021-11-17 11:02:30,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:02:30,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 11:02:30,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:02:30,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 11:02:30,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 11:02:30,853 INFO L87 Difference]: Start difference. First operand has 2868 states, 2060 states have (on average 1.2917475728155339) internal successors, (2661), 2095 states have internal predecessors, (2661), 666 states have call successors, (666), 142 states have call predecessors, (666), 141 states have return successors, (655), 649 states have call predecessors, (655), 655 states have call successors, (655) Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-17 11:02:33,003 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:02:35,450 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:02:39,403 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:02:53,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:02:53,843 INFO L93 Difference]: Finished difference Result 8500 states and 12094 transitions. [2021-11-17 11:02:53,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 11:02:53,847 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 270 [2021-11-17 11:02:53,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:02:53,913 INFO L225 Difference]: With dead ends: 8500 [2021-11-17 11:02:53,914 INFO L226 Difference]: Without dead ends: 5662 [2021-11-17 11:02:53,946 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:02:53,949 INFO L933 BasicCegarLoop]: 3950 mSDtfsCounter, 5428 mSDsluCounter, 3831 mSDsCounter, 0 mSdLazyCounter, 2733 mSolverCounterSat, 2186 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6028 SdHoareTripleChecker+Valid, 7781 SdHoareTripleChecker+Invalid, 4922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2186 IncrementalHoareTripleChecker+Valid, 2733 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.1s IncrementalHoareTripleChecker+Time [2021-11-17 11:02:53,950 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6028 Valid, 7781 Invalid, 4922 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2186 Valid, 2733 Invalid, 3 Unknown, 0 Unchecked, 22.1s Time] [2021-11-17 11:02:53,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5662 states. [2021-11-17 11:02:54,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5662 to 5498. [2021-11-17 11:02:54,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5498 states, 3954 states have (on average 1.2627718765806777) internal successors, (4993), 4021 states have internal predecessors, (4993), 1265 states have call successors, (1265), 279 states have call predecessors, (1265), 278 states have return successors, (1261), 1249 states have call predecessors, (1261), 1261 states have call successors, (1261) [2021-11-17 11:02:54,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5498 states to 5498 states and 7519 transitions. [2021-11-17 11:02:54,286 INFO L78 Accepts]: Start accepts. Automaton has 5498 states and 7519 transitions. Word has length 270 [2021-11-17 11:02:54,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:02:54,288 INFO L470 AbstractCegarLoop]: Abstraction has 5498 states and 7519 transitions. [2021-11-17 11:02:54,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-17 11:02:54,288 INFO L276 IsEmpty]: Start isEmpty. Operand 5498 states and 7519 transitions. [2021-11-17 11:02:54,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-11-17 11:02:54,302 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:02:54,302 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 22, 22, 22, 22, 22, 22, 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] [2021-11-17 11:02:54,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 11:02:54,303 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] === [2021-11-17 11:02:54,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:02:54,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1031358090, now seen corresponding path program 1 times [2021-11-17 11:02:54,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:02:54,304 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544583846] [2021-11-17 11:02:54,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:02:54,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:02:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:02:55,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:02:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:02:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:02:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:55,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:02:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:02:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:02:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:55,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:02:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:02:55,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:02:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:02:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:02:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:02:55,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:02:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:02:55,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:55,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:02:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:02:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:02:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:02:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:02:55,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:02:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:55,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:02:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:55,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-17 11:02:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-11-17 11:02:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-17 11:02:55,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 11:02:55,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-11-17 11:02:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 11:02:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 11:02:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-11-17 11:02:55,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:55,711 INFO L134 CoverageAnalysis]: Checked inductivity of 2395 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2395 trivial. 0 not checked. [2021-11-17 11:02:55,712 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:02:55,712 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544583846] [2021-11-17 11:02:55,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544583846] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:02:55,713 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:02:55,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 11:02:55,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278959588] [2021-11-17 11:02:55,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:02:55,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 11:02:55,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:02:55,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 11:02:55,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 11:02:55,716 INFO L87 Difference]: Start difference. First operand 5498 states and 7519 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-17 11:02:57,851 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:03:04,723 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:03:17,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:03:17,137 INFO L93 Difference]: Finished difference Result 5668 states and 7834 transitions. [2021-11-17 11:03:17,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 11:03:17,138 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 326 [2021-11-17 11:03:17,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:03:17,171 INFO L225 Difference]: With dead ends: 5668 [2021-11-17 11:03:17,171 INFO L226 Difference]: Without dead ends: 5666 [2021-11-17 11:03:17,176 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 11:03:17,177 INFO L933 BasicCegarLoop]: 3560 mSDtfsCounter, 4242 mSDsluCounter, 6309 mSDsCounter, 0 mSdLazyCounter, 3464 mSolverCounterSat, 1532 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4564 SdHoareTripleChecker+Valid, 9869 SdHoareTripleChecker+Invalid, 4998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1532 IncrementalHoareTripleChecker+Valid, 3464 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2021-11-17 11:03:17,177 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4564 Valid, 9869 Invalid, 4998 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1532 Valid, 3464 Invalid, 2 Unknown, 0 Unchecked, 20.1s Time] [2021-11-17 11:03:17,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5666 states. [2021-11-17 11:03:17,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5666 to 5502. [2021-11-17 11:03:17,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5502 states, 3957 states have (on average 1.262572656052565) internal successors, (4996), 4024 states have internal predecessors, (4996), 1265 states have call successors, (1265), 280 states have call predecessors, (1265), 279 states have return successors, (1261), 1249 states have call predecessors, (1261), 1261 states have call successors, (1261) [2021-11-17 11:03:17,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5502 states to 5502 states and 7522 transitions. [2021-11-17 11:03:17,365 INFO L78 Accepts]: Start accepts. Automaton has 5502 states and 7522 transitions. Word has length 326 [2021-11-17 11:03:17,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:03:17,367 INFO L470 AbstractCegarLoop]: Abstraction has 5502 states and 7522 transitions. [2021-11-17 11:03:17,367 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-17 11:03:17,367 INFO L276 IsEmpty]: Start isEmpty. Operand 5502 states and 7522 transitions. [2021-11-17 11:03:17,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2021-11-17 11:03:17,382 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:03:17,382 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 22, 22, 22, 22, 22, 22, 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] [2021-11-17 11:03:17,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 11:03:17,383 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] === [2021-11-17 11:03:17,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:03:17,383 INFO L85 PathProgramCache]: Analyzing trace with hash -31965280, now seen corresponding path program 1 times [2021-11-17 11:03:17,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:03:17,383 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644492604] [2021-11-17 11:03:17,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:03:17,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:03:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:03:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:03:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:03:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:03:18,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:03:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:03:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:03:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:03:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:03:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:03:18,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:03:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:03:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:03:18,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:18,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:03:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:03:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:03:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:18,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:03:18,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:18,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:03:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:03:18,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:18,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:03:18,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:18,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:03:18,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:18,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:03:18,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:18,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-17 11:03:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-11-17 11:03:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-17 11:03:18,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 11:03:18,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-11-17 11:03:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 11:03:18,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 11:03:18,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-11-17 11:03:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 11:03:18,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:18,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2397 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2395 trivial. 0 not checked. [2021-11-17 11:03:18,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:03:18,703 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644492604] [2021-11-17 11:03:18,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644492604] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:03:18,703 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:03:18,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 11:03:18,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594708378] [2021-11-17 11:03:18,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:03:18,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 11:03:18,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:03:18,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 11:03:18,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 11:03:18,705 INFO L87 Difference]: Start difference. First operand 5502 states and 7522 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-17 11:03:20,832 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:03:27,407 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:03:40,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:03:40,103 INFO L93 Difference]: Finished difference Result 5672 states and 7837 transitions. [2021-11-17 11:03:40,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 11:03:40,104 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 331 [2021-11-17 11:03:40,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:03:40,138 INFO L225 Difference]: With dead ends: 5672 [2021-11-17 11:03:40,139 INFO L226 Difference]: Without dead ends: 5668 [2021-11-17 11:03:40,148 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 11:03:40,152 INFO L933 BasicCegarLoop]: 3563 mSDtfsCounter, 4234 mSDsluCounter, 6309 mSDsCounter, 0 mSdLazyCounter, 3464 mSolverCounterSat, 1531 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4556 SdHoareTripleChecker+Valid, 9872 SdHoareTripleChecker+Invalid, 4997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1531 IncrementalHoareTripleChecker+Valid, 3464 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2021-11-17 11:03:40,153 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4556 Valid, 9872 Invalid, 4997 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1531 Valid, 3464 Invalid, 2 Unknown, 0 Unchecked, 20.3s Time] [2021-11-17 11:03:40,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5668 states. [2021-11-17 11:03:40,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5668 to 5504. [2021-11-17 11:03:40,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5504 states, 3959 states have (on average 1.2621874210659256) internal successors, (4997), 4025 states have internal predecessors, (4997), 1265 states have call successors, (1265), 281 states have call predecessors, (1265), 279 states have return successors, (1261), 1249 states have call predecessors, (1261), 1261 states have call successors, (1261) [2021-11-17 11:03:40,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5504 states to 5504 states and 7523 transitions. [2021-11-17 11:03:40,359 INFO L78 Accepts]: Start accepts. Automaton has 5504 states and 7523 transitions. Word has length 331 [2021-11-17 11:03:40,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:03:40,363 INFO L470 AbstractCegarLoop]: Abstraction has 5504 states and 7523 transitions. [2021-11-17 11:03:40,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-17 11:03:40,364 INFO L276 IsEmpty]: Start isEmpty. Operand 5504 states and 7523 transitions. [2021-11-17 11:03:40,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-11-17 11:03:40,376 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:03:40,376 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 22, 22, 22, 22, 22, 22, 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] [2021-11-17 11:03:40,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 11:03:40,377 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] === [2021-11-17 11:03:40,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:03:40,377 INFO L85 PathProgramCache]: Analyzing trace with hash -57369590, now seen corresponding path program 1 times [2021-11-17 11:03:40,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:03:40,378 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682065258] [2021-11-17 11:03:40,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:03:40,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:03:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:03:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:41,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:03:41,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:41,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:03:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:03:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:03:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:03:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:41,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:03:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:03:41,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:03:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:41,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:03:41,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:03:41,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:03:41,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:03:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:41,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:03:41,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:03:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:03:41,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:41,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:03:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:41,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:03:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:41,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:03:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:03:41,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:03:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:41,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:03:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-17 11:03:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-11-17 11:03:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-17 11:03:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 11:03:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-11-17 11:03:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 11:03:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 11:03:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-11-17 11:03:41,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 11:03:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 11:03:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:41,565 INFO L134 CoverageAnalysis]: Checked inductivity of 2403 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2399 trivial. 0 not checked. [2021-11-17 11:03:41,566 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:03:41,566 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682065258] [2021-11-17 11:03:41,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682065258] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:03:41,566 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:03:41,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 11:03:41,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498030404] [2021-11-17 11:03:41,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:03:41,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 11:03:41,567 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:03:41,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 11:03:41,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 11:03:41,568 INFO L87 Difference]: Start difference. First operand 5504 states and 7523 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (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) [2021-11-17 11:03:43,693 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:03:49,445 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:03:51,525 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:03:54,425 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:04:07,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:04:07,424 INFO L93 Difference]: Finished difference Result 5668 states and 7833 transitions. [2021-11-17 11:04:07,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 11:04:07,424 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (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 336 [2021-11-17 11:04:07,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:04:07,426 INFO L225 Difference]: With dead ends: 5668 [2021-11-17 11:04:07,426 INFO L226 Difference]: Without dead ends: 0 [2021-11-17 11:04:07,445 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 11:04:07,446 INFO L933 BasicCegarLoop]: 3560 mSDtfsCounter, 4228 mSDsluCounter, 6309 mSDsCounter, 0 mSdLazyCounter, 3457 mSolverCounterSat, 1530 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4550 SdHoareTripleChecker+Valid, 9869 SdHoareTripleChecker+Invalid, 4991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1530 IncrementalHoareTripleChecker+Valid, 3457 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2021-11-17 11:04:07,446 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4550 Valid, 9869 Invalid, 4991 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1530 Valid, 3457 Invalid, 4 Unknown, 0 Unchecked, 25.2s Time] [2021-11-17 11:04:07,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-17 11:04:07,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-17 11:04:07,447 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) [2021-11-17 11:04:07,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-17 11:04:07,448 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 336 [2021-11-17 11:04:07,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:04:07,449 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-17 11:04:07,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (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) [2021-11-17 11:04:07,449 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-17 11:04:07,449 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-17 11:04:07,451 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) [2021-11-17 11:04:07,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 11:04:07,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. Killed by 15