./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1595cf86-e244-46d3-b65b-d3e73b6ba654/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1595cf86-e244-46d3-b65b-d3e73b6ba654/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1595cf86-e244-46d3-b65b-d3e73b6ba654/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1595cf86-e244-46d3-b65b-d3e73b6ba654/bin/uautomizer-DrprNOufMa/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1595cf86-e244-46d3-b65b-d3e73b6ba654/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1595cf86-e244-46d3-b65b-d3e73b6ba654/bin/uautomizer-DrprNOufMa --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 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 17:26:10,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 17:26:10,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 17:26:10,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 17:26:10,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 17:26:10,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 17:26:10,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 17:26:10,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 17:26:10,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 17:26:10,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 17:26:10,265 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 17:26:10,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 17:26:10,267 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 17:26:10,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 17:26:10,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 17:26:10,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 17:26:10,273 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 17:26:10,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 17:26:10,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 17:26:10,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 17:26:10,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 17:26:10,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 17:26:10,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 17:26:10,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 17:26:10,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 17:26:10,286 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 17:26:10,286 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 17:26:10,287 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 17:26:10,291 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 17:26:10,292 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 17:26:10,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 17:26:10,293 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 17:26:10,294 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 17:26:10,294 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 17:26:10,295 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 17:26:10,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 17:26:10,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 17:26:10,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 17:26:10,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 17:26:10,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 17:26:10,297 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 17:26:10,298 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1595cf86-e244-46d3-b65b-d3e73b6ba654/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 17:26:10,322 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 17:26:10,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 17:26:10,322 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 17:26:10,322 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 17:26:10,323 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 17:26:10,323 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 17:26:10,323 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 17:26:10,323 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 17:26:10,323 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 17:26:10,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 17:26:10,324 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 17:26:10,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 17:26:10,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 17:26:10,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 17:26:10,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 17:26:10,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 17:26:10,324 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 17:26:10,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 17:26:10,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 17:26:10,325 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 17:26:10,325 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 17:26:10,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:26:10,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 17:26:10,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 17:26:10,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 17:26:10,331 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 17:26:10,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 17:26:10,331 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 17:26:10,331 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 17:26:10,331 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 17:26:10,331 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 17:26:10,331 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1595cf86-e244-46d3-b65b-d3e73b6ba654/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1595cf86-e244-46d3-b65b-d3e73b6ba654/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0244ba3afa8f7ad22495f5a8471d06f23526d33a8faf745362384ed0d07d3bd9 [2021-12-06 17:26:10,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 17:26:10,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 17:26:10,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 17:26:10,510 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 17:26:10,511 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 17:26:10,512 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1595cf86-e244-46d3-b65b-d3e73b6ba654/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-vmxnet3-vmxnet3.cil.i [2021-12-06 17:26:10,556 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1595cf86-e244-46d3-b65b-d3e73b6ba654/bin/uautomizer-DrprNOufMa/data/187235b97/f412db9bd02c4e9c89f90d9e05e7ba1a/FLAGe7f99a9ec [2021-12-06 17:26:11,266 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 17:26:11,266 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1595cf86-e244-46d3-b65b-d3e73b6ba654/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-vmxnet3-vmxnet3.cil.i [2021-12-06 17:26:11,303 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1595cf86-e244-46d3-b65b-d3e73b6ba654/bin/uautomizer-DrprNOufMa/data/187235b97/f412db9bd02c4e9c89f90d9e05e7ba1a/FLAGe7f99a9ec [2021-12-06 17:26:11,581 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1595cf86-e244-46d3-b65b-d3e73b6ba654/bin/uautomizer-DrprNOufMa/data/187235b97/f412db9bd02c4e9c89f90d9e05e7ba1a [2021-12-06 17:26:11,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 17:26:11,584 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 17:26:11,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 17:26:11,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 17:26:11,588 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 17:26:11,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:26:11" (1/1) ... [2021-12-06 17:26:11,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62625602 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:11, skipping insertion in model container [2021-12-06 17:26:11,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:26:11" (1/1) ... [2021-12-06 17:26:11,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 17:26:11,720 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:26:15,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1595cf86-e244-46d3-b65b-d3e73b6ba654/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-vmxnet3-vmxnet3.cil.i[509907,509920] [2021-12-06 17:26:15,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1595cf86-e244-46d3-b65b-d3e73b6ba654/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-vmxnet3-vmxnet3.cil.i[510073,510086] [2021-12-06 17:26:15,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1595cf86-e244-46d3-b65b-d3e73b6ba654/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-vmxnet3-vmxnet3.cil.i[510237,510250] [2021-12-06 17:26:15,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1595cf86-e244-46d3-b65b-d3e73b6ba654/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-vmxnet3-vmxnet3.cil.i[510402,510415] [2021-12-06 17:26:15,055 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:26:15,098 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 17:26:15,587 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1595cf86-e244-46d3-b65b-d3e73b6ba654/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-vmxnet3-vmxnet3.cil.i[509907,509920] [2021-12-06 17:26:15,587 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1595cf86-e244-46d3-b65b-d3e73b6ba654/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-vmxnet3-vmxnet3.cil.i[510073,510086] [2021-12-06 17:26:15,588 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1595cf86-e244-46d3-b65b-d3e73b6ba654/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-vmxnet3-vmxnet3.cil.i[510237,510250] [2021-12-06 17:26:15,588 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1595cf86-e244-46d3-b65b-d3e73b6ba654/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-vmxnet3-vmxnet3.cil.i[510402,510415] [2021-12-06 17:26:15,598 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:26:15,869 INFO L208 MainTranslator]: Completed translation [2021-12-06 17:26:15,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:15 WrapperNode [2021-12-06 17:26:15,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 17:26:15,871 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 17:26:15,871 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 17:26:15,871 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 17:26:15,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:15" (1/1) ... [2021-12-06 17:26:15,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:15" (1/1) ... [2021-12-06 17:26:16,125 INFO L137 Inliner]: procedures = 563, calls = 3960, calls flagged for inlining = 326, calls inlined = 274, statements flattened = 8542 [2021-12-06 17:26:16,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 17:26:16,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 17:26:16,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 17:26:16,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 17:26:16,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:15" (1/1) ... [2021-12-06 17:26:16,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:15" (1/1) ... [2021-12-06 17:26:16,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:15" (1/1) ... [2021-12-06 17:26:16,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:15" (1/1) ... [2021-12-06 17:26:16,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:15" (1/1) ... [2021-12-06 17:26:16,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:15" (1/1) ... [2021-12-06 17:26:16,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:15" (1/1) ... [2021-12-06 17:26:16,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 17:26:16,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 17:26:16,388 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 17:26:16,388 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 17:26:16,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:15" (1/1) ... [2021-12-06 17:26:16,394 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:26:16,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1595cf86-e244-46d3-b65b-d3e73b6ba654/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:26:16,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1595cf86-e244-46d3-b65b-d3e73b6ba654/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 17:26:16,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1595cf86-e244-46d3-b65b-d3e73b6ba654/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 17:26:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_stop [2021-12-06 17:26:16,440 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_stop [2021-12-06 17:26:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_desc_avail [2021-12-06 17:26:16,440 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_desc_avail [2021-12-06 17:26:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_reset_dev [2021-12-06 17:26:16,440 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_reset_dev [2021-12-06 17:26:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-06 17:26:16,440 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-06 17:26:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-12-06 17:26:16,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-12-06 17:26:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-06 17:26:16,441 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-06 17:26:16,441 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_resume [2021-12-06 17:26:16,441 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_resume [2021-12-06 17:26:16,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 17:26:16,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 17:26:16,441 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-06 17:26:16,441 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-06 17:26:16,441 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-12-06 17:26:16,441 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-12-06 17:26:16,441 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-06 17:26:16,441 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-06 17:26:16,441 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-06 17:26:16,441 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-06 17:26:16,441 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-06 17:26:16,441 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-06 17:26:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_alloc_rx_buf [2021-12-06 17:26:16,442 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_alloc_rx_buf [2021-12-06 17:26:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-12-06 17:26:16,442 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-12-06 17:26:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-12-06 17:26:16,442 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-12-06 17:26:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_get_sset_count [2021-12-06 17:26:16,442 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_get_sset_count [2021-12-06 17:26:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-06 17:26:16,442 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-06 17:26:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-06 17:26:16,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-06 17:26:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-06 17:26:16,442 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-06 17:26:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-06 17:26:16,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-06 17:26:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-06 17:26:16,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-06 17:26:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-06 17:26:16,443 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-06 17:26:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 17:26:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-06 17:26:16,443 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-06 17:26:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_restore_vlan [2021-12-06 17:26:16,443 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_restore_vlan [2021-12-06 17:26:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_comp_ring_adv_next2proc [2021-12-06 17:26:16,443 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_comp_ring_adv_next2proc [2021-12-06 17:26:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-06 17:26:16,443 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-06 17:26:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2021-12-06 17:26:16,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2021-12-06 17:26:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-06 17:26:16,444 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-06 17:26:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2021-12-06 17:26:16,444 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2021-12-06 17:26:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 17:26:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-06 17:26:16,444 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-06 17:26:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-06 17:26:16,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-06 17:26:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 17:26:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-06 17:26:16,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-06 17:26:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_destroy [2021-12-06 17:26:16,444 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_destroy [2021-12-06 17:26:16,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 17:26:16,445 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_unmap_tx_buf [2021-12-06 17:26:16,445 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_unmap_tx_buf [2021-12-06 17:26:16,445 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-06 17:26:16,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-06 17:26:16,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 17:26:16,445 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 17:26:16,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-06 17:26:16,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-06 17:26:16,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-06 17:26:16,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-06 17:26:16,445 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-12-06 17:26:16,445 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-12-06 17:26:16,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-06 17:26:16,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-06 17:26:16,446 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-06 17:26:16,446 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-06 17:26:16,446 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-06 17:26:16,446 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-06 17:26:16,446 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_destroy [2021-12-06 17:26:16,446 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_destroy [2021-12-06 17:26:16,446 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-06 17:26:16,446 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-06 17:26:16,446 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_request_irqs [2021-12-06 17:26:16,446 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_request_irqs [2021-12-06 17:26:16,446 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_create [2021-12-06 17:26:16,446 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_create [2021-12-06 17:26:16,446 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-06 17:26:16,446 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-06 17:26:16,446 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_enable_intr [2021-12-06 17:26:16,446 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_enable_intr [2021-12-06 17:26:16,447 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_remove_device [2021-12-06 17:26:16,447 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_remove_device [2021-12-06 17:26:16,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 17:26:16,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-06 17:26:16,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-06 17:26:16,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-06 17:26:16,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-06 17:26:16,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-06 17:26:16,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-06 17:26:16,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-06 17:26:16,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-06 17:26:16,447 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-06 17:26:16,447 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-06 17:26:16,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 17:26:16,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-06 17:26:16,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-06 17:26:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 17:26:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-06 17:26:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 17:26:16,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 17:26:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-06 17:26:16,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-06 17:26:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_irqs [2021-12-06 17:26:16,448 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_irqs [2021-12-06 17:26:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_set_mc [2021-12-06 17:26:16,448 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_set_mc [2021-12-06 17:26:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-06 17:26:16,448 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-06 17:26:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-06 17:26:16,474 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-06 17:26:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-06 17:26:16,474 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-06 17:26:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_check_link [2021-12-06 17:26:16,475 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_check_link [2021-12-06 17:26:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-06 17:26:16,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-06 17:26:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-12-06 17:26:16,475 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-12-06 17:26:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_adv_next2fill [2021-12-06 17:26:16,475 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_adv_next2fill [2021-12-06 17:26:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-06 17:26:16,475 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-06 17:26:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-06 17:26:16,476 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-06 17:26:16,476 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_intr_resources [2021-12-06 17:26:16,476 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_intr_resources [2021-12-06 17:26:16,476 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_destroy_all [2021-12-06 17:26:16,476 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_destroy_all [2021-12-06 17:26:16,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 17:26:16,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 17:26:16,476 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-06 17:26:16,476 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-06 17:26:16,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 17:26:16,476 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_adjust_rx_ring_size [2021-12-06 17:26:16,476 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_adjust_rx_ring_size [2021-12-06 17:26:16,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 17:26:16,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 17:26:16,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 17:26:16,477 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-06 17:26:16,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-06 17:26:16,477 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-06 17:26:16,477 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-06 17:26:16,477 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-06 17:26:16,477 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-06 17:26:16,477 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-06 17:26:16,477 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-06 17:26:16,477 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-06 17:26:16,477 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-06 17:26:16,478 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-06 17:26:16,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-06 17:26:16,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-06 17:26:16,478 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_quiesce_dev [2021-12-06 17:26:16,478 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_quiesce_dev [2021-12-06 17:26:16,478 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_adv_next2comp [2021-12-06 17:26:16,478 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_adv_next2comp [2021-12-06 17:26:16,478 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-06 17:26:16,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-06 17:26:16,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 17:26:16,478 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 17:26:16,478 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_cleanup_all [2021-12-06 17:26:16,478 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_cleanup_all [2021-12-06 17:26:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-06 17:26:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-06 17:26:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-06 17:26:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-06 17:26:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-06 17:26:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-06 17:26:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-06 17:26:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-06 17:26:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-06 17:26:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-06 17:26:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 17:26:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-06 17:26:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-06 17:26:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 17:26:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-12-06 17:26:16,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-12-06 17:26:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-06 17:26:16,480 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-06 17:26:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_disable_intr [2021-12-06 17:26:16,480 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_disable_intr [2021-12-06 17:26:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 17:26:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-06 17:26:16,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-06 17:26:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-06 17:26:16,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-06 17:26:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_process_events [2021-12-06 17:26:16,481 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_process_events [2021-12-06 17:26:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-06 17:26:16,481 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-06 17:26:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-06 17:26:16,481 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-06 17:26:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-06 17:26:16,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-06 17:26:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-06 17:26:16,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-06 17:26:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-06 17:26:16,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-06 17:26:16,482 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_intr [2021-12-06 17:26:16,482 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_intr [2021-12-06 17:26:16,482 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_destroy_all [2021-12-06 17:26:16,482 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_destroy_all [2021-12-06 17:26:16,482 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-06 17:26:16,482 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-06 17:26:16,482 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2021-12-06 17:26:16,482 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2021-12-06 17:26:16,482 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-06 17:26:16,482 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-06 17:26:16,482 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-06 17:26:16,482 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-06 17:26:16,482 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2021-12-06 17:26:16,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2021-12-06 17:26:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_pci_resources [2021-12-06 17:26:16,483 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_pci_resources [2021-12-06 17:26:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-06 17:26:16,483 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-06 17:26:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_disable_all_intrs [2021-12-06 17:26:16,483 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_disable_all_intrs [2021-12-06 17:26:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 17:26:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_6 [2021-12-06 17:26:16,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_6 [2021-12-06 17:26:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 17:26:16,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 17:26:16,483 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_tx_complete [2021-12-06 17:26:16,484 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_tx_complete [2021-12-06 17:26:16,484 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-06 17:26:16,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-06 17:26:16,484 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-06 17:26:16,484 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-06 17:26:16,484 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-06 17:26:16,484 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-06 17:26:16,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vmxnet3_exit_module_19_2 [2021-12-06 17:26:16,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vmxnet3_exit_module_19_2 [2021-12-06 17:26:16,484 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_enable_all_intrs [2021-12-06 17:26:16,484 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_enable_all_intrs [2021-12-06 17:26:16,484 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-06 17:26:16,485 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-06 17:26:16,485 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_create_queues [2021-12-06 17:26:16,485 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_create_queues [2021-12-06 17:26:16,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2021-12-06 17:26:16,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2021-12-06 17:26:16,485 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_force_close [2021-12-06 17:26:16,485 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_force_close [2021-12-06 17:26:16,485 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-06 17:26:16,485 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-06 17:26:16,485 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_alloc_intr_resources [2021-12-06 17:26:16,485 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_alloc_intr_resources [2021-12-06 17:26:16,485 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_activate_dev [2021-12-06 17:26:16,485 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_activate_dev [2021-12-06 17:26:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_write_mac_addr [2021-12-06 17:26:16,486 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_write_mac_addr [2021-12-06 17:26:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-06 17:26:16,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-06 17:26:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-06 17:26:16,486 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-06 17:26:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-06 17:26:16,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-06 17:26:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_msix_rx [2021-12-06 17:26:16,486 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_msix_rx [2021-12-06 17:26:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-06 17:26:16,486 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-06 17:26:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-12-06 17:26:16,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-12-06 17:26:16,487 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-06 17:26:16,487 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-06 17:26:16,487 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-06 17:26:16,487 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-06 17:26:16,487 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-06 17:26:16,487 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-06 17:26:16,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 17:26:16,487 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_get_regs_len [2021-12-06 17:26:16,487 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_get_regs_len [2021-12-06 17:26:16,487 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-12-06 17:26:16,487 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-12-06 17:26:16,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-06 17:26:16,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-06 17:26:16,488 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_suspend [2021-12-06 17:26:16,488 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_suspend [2021-12-06 17:26:16,488 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2021-12-06 17:26:16,488 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2021-12-06 17:26:17,135 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 17:26:17,138 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 17:26:17,289 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 17:40:02,685 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-06 17:40:02,764 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 17:40:02,792 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 17:40:02,793 INFO L301 CfgBuilder]: Removed 7 assume(true) statements. [2021-12-06 17:40:02,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:40:02 BoogieIcfgContainer [2021-12-06 17:40:02,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 17:40:02,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 17:40:02,802 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 17:40:02,804 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 17:40:02,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:26:11" (1/3) ... [2021-12-06 17:40:02,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24b33931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:40:02, skipping insertion in model container [2021-12-06 17:40:02,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:26:15" (2/3) ... [2021-12-06 17:40:02,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24b33931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:40:02, skipping insertion in model container [2021-12-06 17:40:02,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:40:02" (3/3) ... [2021-12-06 17:40:02,806 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-vmxnet3-vmxnet3.cil.i [2021-12-06 17:40:02,810 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 17:40:02,810 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 17:40:02,857 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 17:40:02,862 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 17:40:02,862 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 17:40:02,923 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) [2021-12-06 17:40:02,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-12-06 17:40:02,943 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:40:02,944 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] [2021-12-06 17:40:02,944 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:40:02,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:40:02,948 INFO L85 PathProgramCache]: Analyzing trace with hash -2074759449, now seen corresponding path program 1 times [2021-12-06 17:40:02,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:40:02,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807369238] [2021-12-06 17:40:02,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:40:02,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:40:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 17:40:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:04,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 17:40:04,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:04,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 17:40:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:04,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 17:40:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 17:40:04,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:04,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 17:40:04,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:04,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 17:40:04,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:04,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 17:40:04,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:04,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 17:40:04,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:04,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 17:40:04,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:04,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 17:40:04,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:04,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 17:40:04,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:04,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 17:40:04,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:04,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 17:40:04,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 17:40:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:04,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 17:40:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:04,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 17:40:04,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:04,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 17:40:04,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:04,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 17:40:04,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:04,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 17:40:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:04,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 17:40:04,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:04,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 17:40:04,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:04,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-06 17:40:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-06 17:40:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:04,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2021-12-06 17:40:04,964 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:40:04,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807369238] [2021-12-06 17:40:04,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807369238] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:40:04,965 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:40:04,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 17:40:04,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523640355] [2021-12-06 17:40:04,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:40:04,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:40:04,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:40:04,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:40:04,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:40:05,004 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) [2021-12-06 17:40:07,160 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:40:09,547 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:40:13,172 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:40:25,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:40:25,606 INFO L93 Difference]: Finished difference Result 8500 states and 12094 transitions. [2021-12-06 17:40:25,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 17:40:25,608 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 [2021-12-06 17:40:25,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:40:25,664 INFO L225 Difference]: With dead ends: 8500 [2021-12-06 17:40:25,664 INFO L226 Difference]: Without dead ends: 5662 [2021-12-06 17:40:25,688 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 [2021-12-06 17:40:25,691 INFO L933 BasicCegarLoop]: 3950 mSDtfsCounter, 5428 mSDsluCounter, 3831 mSDsCounter, 0 mSdLazyCounter, 2733 mSolverCounterSat, 2186 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s 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, 20.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:40:25,691 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6028 Valid, 7781 Invalid, 4922 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2186 Valid, 2733 Invalid, 3 Unknown, 0 Unchecked, 20.0s Time] [2021-12-06 17:40:25,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5662 states. [2021-12-06 17:40:26,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5662 to 5498. [2021-12-06 17:40:26,023 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) [2021-12-06 17:40:26,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5498 states to 5498 states and 7519 transitions. [2021-12-06 17:40:26,064 INFO L78 Accepts]: Start accepts. Automaton has 5498 states and 7519 transitions. Word has length 270 [2021-12-06 17:40:26,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:40:26,066 INFO L470 AbstractCegarLoop]: Abstraction has 5498 states and 7519 transitions. [2021-12-06 17:40:26,066 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) [2021-12-06 17:40:26,066 INFO L276 IsEmpty]: Start isEmpty. Operand 5498 states and 7519 transitions. [2021-12-06 17:40:26,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-12-06 17:40:26,087 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:40:26,088 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] [2021-12-06 17:40:26,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 17:40:26,088 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:40:26,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:40:26,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1031358090, now seen corresponding path program 1 times [2021-12-06 17:40:26,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:40:26,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8774914] [2021-12-06 17:40:26,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:40:26,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:40:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 17:40:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:27,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 17:40:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 17:40:27,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 17:40:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 17:40:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 17:40:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 17:40:27,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:27,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 17:40:27,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 17:40:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:27,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 17:40:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 17:40:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:27,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 17:40:27,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:27,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 17:40:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 17:40:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 17:40:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:27,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 17:40:27,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 17:40:27,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 17:40:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 17:40:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:27,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 17:40:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:27,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 17:40:27,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 17:40:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:27,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-06 17:40:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-06 17:40:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-06 17:40:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-06 17:40:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-06 17:40:27,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:40:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 17:40:27,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-06 17:40:27,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-12-06 17:40:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:40:27,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2395 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2395 trivial. 0 not checked. [2021-12-06 17:40:27,533 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:40:27,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8774914] [2021-12-06 17:40:27,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8774914] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:40:27,534 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:40:27,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:40:27,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976683291] [2021-12-06 17:40:27,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:40:27,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:40:27,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:40:27,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:40:27,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:40:27,536 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) [2021-12-06 17:40:29,682 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:40:35,694 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []