/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-commit-tester/main3_drivers-staging-usbip-vhci-hcd-ko--132_1a--927c3fa.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 17:00:21,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 17:00:21,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 17:00:21,891 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 17:00:21,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 17:00:21,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 17:00:21,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 17:00:21,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 17:00:21,901 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 17:00:21,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 17:00:21,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 17:00:21,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 17:00:21,906 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 17:00:21,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 17:00:21,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 17:00:21,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 17:00:21,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 17:00:21,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 17:00:21,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 17:00:21,913 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 17:00:21,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 17:00:21,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 17:00:21,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 17:00:21,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 17:00:21,919 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 17:00:21,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 17:00:21,920 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 17:00:21,920 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 17:00:21,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 17:00:21,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 17:00:21,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 17:00:21,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 17:00:21,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 17:00:21,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 17:00:21,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 17:00:21,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 17:00:21,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 17:00:21,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 17:00:21,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 17:00:21,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 17:00:21,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 17:00:21,928 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-13 17:00:21,950 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 17:00:21,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 17:00:21,952 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 17:00:21,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 17:00:21,952 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 17:00:21,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 17:00:21,952 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 17:00:21,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 17:00:21,953 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 17:00:21,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 17:00:21,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 17:00:21,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 17:00:21,954 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 17:00:21,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 17:00:21,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 17:00:21,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 17:00:21,954 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 17:00:21,955 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 17:00:21,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 17:00:21,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 17:00:21,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 17:00:21,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 17:00:21,956 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 17:00:21,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 17:00:21,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 17:00:21,956 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 17:00:21,956 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-13 17:00:21,956 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 17:00:22,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 17:00:22,305 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 17:00:22,310 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 17:00:22,312 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 17:00:22,312 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 17:00:22,314 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/main3_drivers-staging-usbip-vhci-hcd-ko--132_1a--927c3fa.i [2020-10-13 17:00:22,380 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/62cd5ca28/5e03a90e217d430291b98ce3c1861068/FLAGdec4b346e [2020-10-13 17:00:23,262 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 17:00:23,263 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-commit-tester/main3_drivers-staging-usbip-vhci-hcd-ko--132_1a--927c3fa.i [2020-10-13 17:00:23,299 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/62cd5ca28/5e03a90e217d430291b98ce3c1861068/FLAGdec4b346e [2020-10-13 17:00:23,697 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/62cd5ca28/5e03a90e217d430291b98ce3c1861068 [2020-10-13 17:00:23,707 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 17:00:23,709 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 17:00:23,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 17:00:23,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 17:00:23,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 17:00:23,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:00:23" (1/1) ... [2020-10-13 17:00:23,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fd4dda0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:23, skipping insertion in model container [2020-10-13 17:00:23,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:00:23" (1/1) ... [2020-10-13 17:00:23,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 17:00:23,871 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 17:00:26,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 17:00:26,118 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 17:00:26,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 17:00:26,889 INFO L208 MainTranslator]: Completed translation [2020-10-13 17:00:26,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:26 WrapperNode [2020-10-13 17:00:26,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 17:00:26,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 17:00:26,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 17:00:26,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 17:00:26,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:26" (1/1) ... [2020-10-13 17:00:26,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:26" (1/1) ... [2020-10-13 17:00:27,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:26" (1/1) ... [2020-10-13 17:00:27,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:26" (1/1) ... [2020-10-13 17:00:27,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:26" (1/1) ... [2020-10-13 17:00:27,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:26" (1/1) ... [2020-10-13 17:00:27,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:26" (1/1) ... [2020-10-13 17:00:27,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 17:00:27,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 17:00:27,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 17:00:27,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 17:00:27,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:26" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 17:00:27,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 17:00:27,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 17:00:27,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2020-10-13 17:00:27,333 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-13 17:00:27,333 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2020-10-13 17:00:27,334 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-13 17:00:27,334 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-13 17:00:27,335 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-10-13 17:00:27,335 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-10-13 17:00:27,336 INFO L138 BoogieDeclarations]: Found implementation of procedure port_to_vdev [2020-10-13 17:00:27,336 INFO L138 BoogieDeclarations]: Found implementation of procedure show_status [2020-10-13 17:00:27,337 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_port_disconnect [2020-10-13 17:00:27,337 INFO L138 BoogieDeclarations]: Found implementation of procedure store_detach [2020-10-13 17:00:27,337 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_args [2020-10-13 17:00:27,338 INFO L138 BoogieDeclarations]: Found implementation of procedure store_attach [2020-10-13 17:00:27,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main0_sequence_infinite_withcheck_stateful [2020-10-13 17:00:27,338 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-13 17:00:27,340 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-13 17:00:27,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del [2020-10-13 17:00:27,341 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2020-10-13 17:00:27,341 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-10-13 17:00:27,341 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2020-10-13 17:00:27,341 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-13 17:00:27,342 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-13 17:00:27,342 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2020-10-13 17:00:27,342 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2020-10-13 17:00:27,343 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_cmd_submit_pdu [2020-10-13 17:00:27,345 INFO L138 BoogieDeclarations]: Found implementation of procedure dequeue_from_priv_tx [2020-10-13 17:00:27,345 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_send_cmd_submit [2020-10-13 17:00:27,345 INFO L138 BoogieDeclarations]: Found implementation of procedure dequeue_from_unlink_tx [2020-10-13 17:00:27,345 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_send_cmd_unlink [2020-10-13 17:00:27,345 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_tx_loop [2020-10-13 17:00:27,345 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-13 17:00:27,345 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_to_hcd [2020-10-13 17:00:27,346 INFO L138 BoogieDeclarations]: Found implementation of procedure pickup_urb_and_free_priv [2020-10-13 17:00:27,346 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_recv_ret_submit [2020-10-13 17:00:27,346 INFO L138 BoogieDeclarations]: Found implementation of procedure dequeue_pending_unlink [2020-10-13 17:00:27,346 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_recv_ret_unlink [2020-10-13 17:00:27,346 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_rx_pdu [2020-10-13 17:00:27,346 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_rx_loop [2020-10-13 17:00:27,346 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-13 17:00:27,347 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-13 17:00:27,347 INFO L138 BoogieDeclarations]: Found implementation of procedure get_order [2020-10-13 17:00:27,348 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-13 17:00:27,349 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2020-10-13 17:00:27,349 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2020-10-13 17:00:27,349 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2020-10-13 17:00:27,349 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2020-10-13 17:00:27,349 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2020-10-13 17:00:27,350 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2020-10-13 17:00:27,350 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemleak_alloc [2020-10-13 17:00:27,350 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2020-10-13 17:00:27,350 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_index [2020-10-13 17:00:27,350 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_slab [2020-10-13 17:00:27,351 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 17:00:27,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-13 17:00:27,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-13 17:00:27,351 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_large [2020-10-13 17:00:27,351 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-13 17:00:27,351 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-13 17:00:27,352 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_vhci [2020-10-13 17:00:27,352 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_dev [2020-10-13 17:00:27,352 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_port_status [2020-10-13 17:00:27,352 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_port_connect [2020-10-13 17:00:27,352 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_port_disconnect [2020-10-13 17:00:27,352 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_hub_status [2020-10-13 17:00:27,353 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_descriptor [2020-10-13 17:00:27,353 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_hub_control [2020-10-13 17:00:27,353 INFO L138 BoogieDeclarations]: Found implementation of procedure get_vdev [2020-10-13 17:00:27,353 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_tx_urb [2020-10-13 17:00:27,353 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_urb_enqueue [2020-10-13 17:00:27,354 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_urb_dequeue [2020-10-13 17:00:27,354 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_device_unlink_cleanup [2020-10-13 17:00:27,355 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_shutdown_connection [2020-10-13 17:00:27,356 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_device_reset [2020-10-13 17:00:27,356 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_device_unusable [2020-10-13 17:00:27,356 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_device_init [2020-10-13 17:00:27,356 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_start [2020-10-13 17:00:27,356 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_stop [2020-10-13 17:00:27,356 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_get_frame_number [2020-10-13 17:00:27,356 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_bus_suspend [2020-10-13 17:00:27,357 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_bus_resume [2020-10-13 17:00:27,357 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_hcd_probe [2020-10-13 17:00:27,357 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_hcd_remove [2020-10-13 17:00:27,357 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_hcd_suspend [2020-10-13 17:00:27,357 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_hcd_resume [2020-10-13 17:00:27,357 INFO L138 BoogieDeclarations]: Found implementation of procedure the_pdev_release [2020-10-13 17:00:27,357 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_init [2020-10-13 17:00:27,358 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_cleanup [2020-10-13 17:00:27,358 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 17:00:27,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_21 [2020-10-13 17:00:27,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_22 [2020-10-13 17:00:27,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_23 [2020-10-13 17:00:27,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_24 [2020-10-13 17:00:27,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_25 [2020-10-13 17:00:27,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-13 17:00:27,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-13 17:00:27,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-13 17:00:27,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-13 17:00:27,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-13 17:00:27,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-13 17:00:27,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2020-10-13 17:00:27,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev [2020-10-13 17:00:27,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev [2020-10-13 17:00:27,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2020-10-13 17:00:27,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-13 17:00:27,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2020-10-13 17:00:27,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-13 17:00:27,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-13 17:00:27,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-13 17:00:27,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-13 17:00:27,361 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-13 17:00:27,362 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-13 17:00:27,362 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2020-10-13 17:00:27,362 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-13 17:00:27,362 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-13 17:00:27,362 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2020-10-13 17:00:27,363 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-13 17:00:27,363 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2020-10-13 17:00:27,363 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-13 17:00:27,363 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-13 17:00:27,363 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2020-10-13 17:00:27,363 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2020-10-13 17:00:27,364 INFO L138 BoogieDeclarations]: Found implementation of procedure kernel_sendmsg [2020-10-13 17:00:27,364 INFO L138 BoogieDeclarations]: Found implementation of procedure kernel_sock_shutdown [2020-10-13 17:00:27,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-13 17:00:27,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-10-13 17:00:27,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-13 17:00:27,364 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-13 17:00:27,365 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2020-10-13 17:00:27,365 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2020-10-13 17:00:27,418 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_register [2020-10-13 17:00:27,418 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2020-10-13 17:00:27,419 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_register [2020-10-13 17:00:27,419 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2020-10-13 17:00:27,419 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2020-10-13 17:00:27,419 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-13 17:00:27,419 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-10-13 17:00:27,420 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_release [2020-10-13 17:00:27,420 INFO L138 BoogieDeclarations]: Found implementation of procedure sockfd_to_socket [2020-10-13 17:00:27,420 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2020-10-13 17:00:27,420 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2020-10-13 17:00:27,420 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_add_hcd [2020-10-13 17:00:27,420 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_create_hcd [2020-10-13 17:00:27,420 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2020-10-13 17:00:27,421 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2020-10-13 17:00:27,421 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_check_unlink_urb [2020-10-13 17:00:27,421 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_giveback_urb [2020-10-13 17:00:27,421 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2020-10-13 17:00:27,421 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_poll_rh_status [2020-10-13 17:00:27,421 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2020-10-13 17:00:27,422 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2020-10-13 17:00:27,422 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2020-10-13 17:00:27,422 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2020-10-13 17:00:27,422 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remove_hcd [2020-10-13 17:00:27,422 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_alloc_iso_desc_pdu [2020-10-13 17:00:27,422 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_dump_header [2020-10-13 17:00:27,422 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_dump_urb [2020-10-13 17:00:27,423 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_event_add [2020-10-13 17:00:27,423 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_event_happened [2020-10-13 17:00:27,423 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_header_correct_endian [2020-10-13 17:00:27,423 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_pack_pdu [2020-10-13 17:00:27,423 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_recv_iso [2020-10-13 17:00:27,423 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_recv_xbuff [2020-10-13 17:00:27,423 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_start_eh [2020-10-13 17:00:27,424 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_start_threads [2020-10-13 17:00:27,424 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_stop_eh [2020-10-13 17:00:27,424 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_stop_threads [2020-10-13 17:00:27,424 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_task_init [2020-10-13 17:00:27,424 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_xmit [2020-10-13 17:00:27,424 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2020-10-13 17:00:27,424 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-13 17:00:27,425 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-13 17:00:27,425 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-13 17:00:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 17:00:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-13 17:00:27,425 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-13 17:00:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-13 17:00:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-10-13 17:00:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-13 17:00:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-13 17:00:27,426 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2020-10-13 17:00:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-13 17:00:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-13 17:00:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-13 17:00:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-13 17:00:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-10-13 17:00:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 17:00:27,427 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-10-13 17:00:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure sockfd_to_socket [2020-10-13 17:00:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_start_threads [2020-10-13 17:00:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_event_add [2020-10-13 17:00:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure rh_port_connect [2020-10-13 17:00:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure port_to_vdev [2020-10-13 17:00:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure show_status [2020-10-13 17:00:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 17:00:27,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 17:00:27,429 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_port_disconnect [2020-10-13 17:00:27,429 INFO L130 BoogieDeclarations]: Found specification of procedure store_detach [2020-10-13 17:00:27,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 17:00:27,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 17:00:27,429 INFO L130 BoogieDeclarations]: Found specification of procedure valid_args [2020-10-13 17:00:27,429 INFO L130 BoogieDeclarations]: Found specification of procedure store_attach [2020-10-13 17:00:27,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 17:00:27,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-13 17:00:27,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-13 17:00:27,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 17:00:27,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main0_sequence_infinite_withcheck_stateful [2020-10-13 17:00:27,430 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-13 17:00:27,430 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-13 17:00:27,430 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-13 17:00:27,430 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-13 17:00:27,431 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-13 17:00:27,431 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del [2020-10-13 17:00:27,431 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2020-10-13 17:00:27,431 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-10-13 17:00:27,431 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2020-10-13 17:00:27,431 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-13 17:00:27,431 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-13 17:00:27,431 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-13 17:00:27,432 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-13 17:00:27,432 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2020-10-13 17:00:27,432 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2020-10-13 17:00:27,432 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2020-10-13 17:00:27,432 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-10-13 17:00:27,432 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2020-10-13 17:00:27,432 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2020-10-13 17:00:27,432 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-13 17:00:27,433 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_sendmsg [2020-10-13 17:00:27,433 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_pack_pdu [2020-10-13 17:00:27,433 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_header_correct_endian [2020-10-13 17:00:27,433 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_alloc_iso_desc_pdu [2020-10-13 17:00:27,433 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_tx_loop [2020-10-13 17:00:27,433 INFO L130 BoogieDeclarations]: Found specification of procedure setup_cmd_submit_pdu [2020-10-13 17:00:27,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-13 17:00:27,433 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue_from_priv_tx [2020-10-13 17:00:27,434 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_send_cmd_submit [2020-10-13 17:00:27,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-13 17:00:27,434 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue_from_unlink_tx [2020-10-13 17:00:27,434 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_send_cmd_unlink [2020-10-13 17:00:27,434 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-13 17:00:27,434 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-13 17:00:27,434 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-13 17:00:27,435 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_xmit [2020-10-13 17:00:27,435 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_dump_urb [2020-10-13 17:00:27,435 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_dump_header [2020-10-13 17:00:27,435 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_recv_xbuff [2020-10-13 17:00:27,435 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_recv_iso [2020-10-13 17:00:27,435 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_event_happened [2020-10-13 17:00:27,435 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2020-10-13 17:00:27,436 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_giveback_urb [2020-10-13 17:00:27,436 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_rx_loop [2020-10-13 17:00:27,436 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_to_hcd [2020-10-13 17:00:27,436 INFO L130 BoogieDeclarations]: Found specification of procedure pickup_urb_and_free_priv [2020-10-13 17:00:27,436 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_recv_ret_submit [2020-10-13 17:00:27,436 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue_pending_unlink [2020-10-13 17:00:27,437 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_recv_ret_unlink [2020-10-13 17:00:27,441 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_rx_pdu [2020-10-13 17:00:27,441 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-13 17:00:27,441 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-13 17:00:27,441 INFO L130 BoogieDeclarations]: Found specification of procedure get_order [2020-10-13 17:00:27,441 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-13 17:00:27,441 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2020-10-13 17:00:27,441 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2020-10-13 17:00:27,442 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2020-10-13 17:00:27,442 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-13 17:00:27,442 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2020-10-13 17:00:27,442 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2020-10-13 17:00:27,442 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2020-10-13 17:00:27,442 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2020-10-13 17:00:27,442 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-13 17:00:27,442 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-13 17:00:27,443 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2020-10-13 17:00:27,450 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2020-10-13 17:00:27,450 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2020-10-13 17:00:27,450 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2020-10-13 17:00:27,450 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2020-10-13 17:00:27,450 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2020-10-13 17:00:27,450 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2020-10-13 17:00:27,450 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-13 17:00:27,451 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2020-10-13 17:00:27,451 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-13 17:00:27,451 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2020-10-13 17:00:27,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_22 [2020-10-13 17:00:27,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_24 [2020-10-13 17:00:27,454 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2020-10-13 17:00:27,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_21 [2020-10-13 17:00:27,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_23 [2020-10-13 17:00:27,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_25 [2020-10-13 17:00:27,454 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2020-10-13 17:00:27,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev [2020-10-13 17:00:27,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev [2020-10-13 17:00:27,455 INFO L130 BoogieDeclarations]: Found specification of procedure kmemleak_alloc [2020-10-13 17:00:27,455 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2020-10-13 17:00:27,455 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2020-10-13 17:00:27,455 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_index [2020-10-13 17:00:27,455 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_slab [2020-10-13 17:00:27,455 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 17:00:27,455 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 17:00:27,456 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 17:00:27,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-13 17:00:27,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-13 17:00:27,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 17:00:27,456 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-13 17:00:27,457 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2020-10-13 17:00:27,457 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_large [2020-10-13 17:00:27,457 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-13 17:00:27,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-13 17:00:27,457 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-13 17:00:27,457 INFO L130 BoogieDeclarations]: Found specification of procedure sock_release [2020-10-13 17:00:27,457 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_sock_shutdown [2020-10-13 17:00:27,457 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_task_init [2020-10-13 17:00:27,458 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_stop_threads [2020-10-13 17:00:27,458 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_start_eh [2020-10-13 17:00:27,458 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_stop_eh [2020-10-13 17:00:27,458 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_register [2020-10-13 17:00:27,458 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2020-10-13 17:00:27,458 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_register [2020-10-13 17:00:27,458 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2020-10-13 17:00:27,458 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2020-10-13 17:00:27,459 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_check_unlink_urb [2020-10-13 17:00:27,459 INFO L130 BoogieDeclarations]: Found specification of procedure usb_create_hcd [2020-10-13 17:00:27,459 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2020-10-13 17:00:27,459 INFO L130 BoogieDeclarations]: Found specification of procedure usb_add_hcd [2020-10-13 17:00:27,459 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remove_hcd [2020-10-13 17:00:27,459 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_poll_rh_status [2020-10-13 17:00:27,459 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2020-10-13 17:00:27,459 INFO L130 BoogieDeclarations]: Found specification of procedure rh_port_disconnect [2020-10-13 17:00:27,460 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_vhci [2020-10-13 17:00:27,460 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_dev [2020-10-13 17:00:27,460 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_hub_status [2020-10-13 17:00:27,460 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_hub_control [2020-10-13 17:00:27,460 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_urb_enqueue [2020-10-13 17:00:27,460 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_urb_dequeue [2020-10-13 17:00:27,460 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_start [2020-10-13 17:00:27,461 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_stop [2020-10-13 17:00:27,461 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_get_frame_number [2020-10-13 17:00:27,461 INFO L130 BoogieDeclarations]: Found specification of procedure dump_port_status [2020-10-13 17:00:27,461 INFO L130 BoogieDeclarations]: Found specification of procedure hub_descriptor [2020-10-13 17:00:27,461 INFO L130 BoogieDeclarations]: Found specification of procedure get_vdev [2020-10-13 17:00:27,461 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_tx_urb [2020-10-13 17:00:27,461 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_device_unlink_cleanup [2020-10-13 17:00:27,461 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_shutdown_connection [2020-10-13 17:00:27,462 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_device_reset [2020-10-13 17:00:27,462 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_device_unusable [2020-10-13 17:00:27,462 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_device_init [2020-10-13 17:00:27,462 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_bus_suspend [2020-10-13 17:00:27,462 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_bus_resume [2020-10-13 17:00:27,462 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_hcd_probe [2020-10-13 17:00:27,462 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_hcd_remove [2020-10-13 17:00:27,462 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_hcd_suspend [2020-10-13 17:00:27,463 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_hcd_resume [2020-10-13 17:00:27,463 INFO L130 BoogieDeclarations]: Found specification of procedure the_pdev_release [2020-10-13 17:00:27,463 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_init [2020-10-13 17:00:27,463 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_cleanup [2020-10-13 17:00:27,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-13 17:00:27,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2020-10-13 17:00:27,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-10-13 17:00:27,463 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 17:00:27,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-13 17:00:27,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-13 17:00:27,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-13 17:00:27,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-13 17:00:27,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2020-10-13 17:00:27,464 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-13 17:00:27,464 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 17:00:27,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 17:00:27,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 17:00:27,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 17:00:27,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 17:00:27,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-13 17:00:27,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-13 17:00:27,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-13 17:00:27,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-13 17:00:51,048 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 17:00:51,048 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-13 17:00:51,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:00:51 BoogieIcfgContainer [2020-10-13 17:00:51,058 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 17:00:51,060 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 17:00:51,060 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 17:00:51,063 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 17:00:51,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:00:23" (1/3) ... [2020-10-13 17:00:51,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c559dbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:00:51, skipping insertion in model container [2020-10-13 17:00:51,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:00:26" (2/3) ... [2020-10-13 17:00:51,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c559dbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:00:51, skipping insertion in model container [2020-10-13 17:00:51,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:00:51" (3/3) ... [2020-10-13 17:00:51,066 INFO L109 eAbstractionObserver]: Analyzing ICFG main3_drivers-staging-usbip-vhci-hcd-ko--132_1a--927c3fa.i [2020-10-13 17:00:51,076 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 17:00:51,085 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 17:00:51,098 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 17:00:51,127 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 17:00:51,127 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 17:00:51,127 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 17:00:51,127 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 17:00:51,127 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 17:00:51,127 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 17:00:51,128 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 17:00:51,128 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 17:00:51,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1807 states. [2020-10-13 17:00:51,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-13 17:00:51,189 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:00:51,190 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:00:51,191 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:00:51,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:00:51,197 INFO L82 PathProgramCache]: Analyzing trace with hash -991645015, now seen corresponding path program 1 times [2020-10-13 17:00:51,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:00:51,204 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [652320220] [2020-10-13 17:00:51,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:00:52,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:00:53,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:01:12,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:01:12,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-13 17:01:12,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:01:12,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19750 [2020-10-13 17:01:12,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:01:12,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 17:01:12,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:01:12,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-13 17:01:12,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-13 17:01:35,678 WARN L193 SmtUtils]: Spent 22.57 s on a formula simplification that was a NOOP. DAG size: 2275 [2020-10-13 17:01:35,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:01:35,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:01:36,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:01:41,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:01:41,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:01:41,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:01:41,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5649 [2020-10-13 17:01:41,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:01:41,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:01:41,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:01:41,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 17:01:41,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:01:41,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:01:41,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:01:41,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:01:41,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:01:41,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:01:41,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:01:41,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 17:01:41,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:01:41,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:01:41,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:01:41,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 17:01:41,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:01:41,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:01:41,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:01:41,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:01:41,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:01:41,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:01:41,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:01:41,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 17:01:41,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:01:41,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:01:41,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:01:41,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 17:01:41,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:01:41,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 17:01:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:01:41,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:01:41,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:01:41,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 17:01:41,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:01:41,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 17:01:41,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:01:41,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:01:41,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:01:41,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 17:01:41,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:01:41,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:01:41,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:01:41,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:01:41,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:01:41,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:01:41,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:01:41,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 17:01:41,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:01:41,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:01:41,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:01:41,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:01:41,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:01:42,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 17:01:42,034 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [652320220] [2020-10-13 17:01:42,036 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:01:42,036 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 17:01:42,037 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700265908] [2020-10-13 17:01:42,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 17:01:42,043 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:01:42,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 17:01:42,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 17:01:42,063 INFO L87 Difference]: Start difference. First operand 1807 states. Second operand 4 states. [2020-10-13 17:02:07,763 WARN L193 SmtUtils]: Spent 22.81 s on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-13 17:03:49,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:03:49,935 INFO L93 Difference]: Finished difference Result 3254 states and 4461 transitions. [2020-10-13 17:03:49,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 17:03:49,937 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2020-10-13 17:03:49,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:03:49,974 INFO L225 Difference]: With dead ends: 3254 [2020-10-13 17:03:49,974 INFO L226 Difference]: Without dead ends: 2156 [2020-10-13 17:03:49,989 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 45.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 17:03:50,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2156 states. [2020-10-13 17:03:51,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2156 to 1946. [2020-10-13 17:03:51,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1946 states. [2020-10-13 17:03:51,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1946 states to 1946 states and 2601 transitions. [2020-10-13 17:03:51,697 INFO L78 Accepts]: Start accepts. Automaton has 1946 states and 2601 transitions. Word has length 29 [2020-10-13 17:03:51,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:03:51,698 INFO L479 AbstractCegarLoop]: Abstraction has 1946 states and 2601 transitions. [2020-10-13 17:03:51,698 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 17:03:51,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1946 states and 2601 transitions. [2020-10-13 17:03:51,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-13 17:03:51,713 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:03:51,713 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 17:03:51,713 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 17:03:51,714 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:03:51,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:03:51,714 INFO L82 PathProgramCache]: Analyzing trace with hash 792591862, now seen corresponding path program 1 times [2020-10-13 17:03:51,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:03:51,715 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1095354784] [2020-10-13 17:03:51,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:03:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:03:52,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:04:02,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:04:02,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-13 17:04:02,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:04:02,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9896 [2020-10-13 17:04:02,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:04:02,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 17:04:02,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-13 17:04:02,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:04:02,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0