/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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 language data_model -i ../../../trunk/examples/svcomp/ldv-commit-tester/main3_drivers-staging-usbip-vhci-hcd-ko--132_1a--927c3fa-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 15:50:50,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 15:50:50,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 15:50:50,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 15:50:50,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 15:50:50,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 15:50:50,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 15:50:50,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 15:50:50,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 15:50:50,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 15:50:50,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 15:50:50,732 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 15:50:50,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 15:50:50,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 15:50:50,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 15:50:50,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 15:50:50,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 15:50:50,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 15:50:50,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 15:50:50,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 15:50:50,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 15:50:50,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 15:50:50,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 15:50:50,780 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 15:50:50,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 15:50:50,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 15:50:50,790 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 15:50:50,792 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 15:50:50,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 15:50:50,794 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 15:50:50,794 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 15:50:50,795 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 15:50:50,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 15:50:50,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 15:50:50,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 15:50:50,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 15:50:50,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 15:50:50,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 15:50:50,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 15:50:50,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 15:50:50,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 15:50:50,808 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 [2020-10-29 15:50:50,849 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 15:50:50,850 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 15:50:50,854 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 15:50:50,854 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 15:50:50,855 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 15:50:50,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 15:50:50,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 15:50:50,856 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 15:50:50,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 15:50:50,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 15:50:50,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 15:50:50,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 15:50:50,858 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 15:50:50,859 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 15:50:50,859 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 15:50:50,859 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 15:50:50,859 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 15:50:50,859 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 15:50:50,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 15:50:50,860 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 15:50:50,860 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 15:50:50,860 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 15:50:50,861 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 15:50:50,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 15:50:50,861 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 15:50:50,861 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 15:50:50,861 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-29 15:50:50,862 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 15:50:51,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 15:50:51,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 15:50:51,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 15:50:51,385 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 15:50:51,386 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 15:50:51,387 INFO L432 ainManager$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-1.i [2020-10-29 15:50:51,471 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8b466c9ae/76dcf6b149a64f50a18e90ec6418a537/FLAG7a918b8d7 [2020-10-29 15:50:52,633 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 15:50:52,635 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-commit-tester/main3_drivers-staging-usbip-vhci-hcd-ko--132_1a--927c3fa-1.i [2020-10-29 15:50:52,699 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8b466c9ae/76dcf6b149a64f50a18e90ec6418a537/FLAG7a918b8d7 [2020-10-29 15:50:53,011 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8b466c9ae/76dcf6b149a64f50a18e90ec6418a537 [2020-10-29 15:50:53,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 15:50:53,023 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 15:50:53,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 15:50:53,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 15:50:53,034 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 15:50:53,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:50:53" (1/1) ... [2020-10-29 15:50:53,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f9965e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:50:53, skipping insertion in model container [2020-10-29 15:50:53,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:50:53" (1/1) ... [2020-10-29 15:50:53,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 15:50:53,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 15:50:54,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 15:50:55,026 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 15:50:55,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 15:50:55,895 INFO L208 MainTranslator]: Completed translation [2020-10-29 15:50:55,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:50:55 WrapperNode [2020-10-29 15:50:55,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 15:50:55,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 15:50:55,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 15:50:55,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 15:50:55,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:50:55" (1/1) ... [2020-10-29 15:50:55,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:50:55" (1/1) ... [2020-10-29 15:50:56,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:50:55" (1/1) ... [2020-10-29 15:50:56,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:50:55" (1/1) ... [2020-10-29 15:50:56,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:50:55" (1/1) ... [2020-10-29 15:50:56,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:50:55" (1/1) ... [2020-10-29 15:50:56,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:50:55" (1/1) ... [2020-10-29 15:50:56,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 15:50:56,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 15:50:56,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 15:50:56,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 15:50:56,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:50:55" (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 [2020-10-29 15:50:56,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 15:50:56,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 15:50:56,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2020-10-29 15:50:56,389 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 15:50:56,389 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-29 15:50:56,389 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2020-10-29 15:50:56,389 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-29 15:50:56,390 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-29 15:50:56,390 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-10-29 15:50:56,390 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-10-29 15:50:56,390 INFO L138 BoogieDeclarations]: Found implementation of procedure port_to_vdev [2020-10-29 15:50:56,390 INFO L138 BoogieDeclarations]: Found implementation of procedure show_status [2020-10-29 15:50:56,390 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_port_disconnect [2020-10-29 15:50:56,391 INFO L138 BoogieDeclarations]: Found implementation of procedure store_detach [2020-10-29 15:50:56,391 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_args [2020-10-29 15:50:56,391 INFO L138 BoogieDeclarations]: Found implementation of procedure store_attach [2020-10-29 15:50:56,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main0_sequence_infinite_withcheck_stateful [2020-10-29 15:50:56,391 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-29 15:50:56,391 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-29 15:50:56,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del [2020-10-29 15:50:56,392 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2020-10-29 15:50:56,392 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-10-29 15:50:56,392 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2020-10-29 15:50:56,392 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-29 15:50:56,392 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-29 15:50:56,392 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2020-10-29 15:50:56,393 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2020-10-29 15:50:56,393 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_cmd_submit_pdu [2020-10-29 15:50:56,393 INFO L138 BoogieDeclarations]: Found implementation of procedure dequeue_from_priv_tx [2020-10-29 15:50:56,393 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_send_cmd_submit [2020-10-29 15:50:56,393 INFO L138 BoogieDeclarations]: Found implementation of procedure dequeue_from_unlink_tx [2020-10-29 15:50:56,393 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_send_cmd_unlink [2020-10-29 15:50:56,394 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_tx_loop [2020-10-29 15:50:56,394 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-29 15:50:56,394 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_to_hcd [2020-10-29 15:50:56,394 INFO L138 BoogieDeclarations]: Found implementation of procedure pickup_urb_and_free_priv [2020-10-29 15:50:56,394 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_recv_ret_submit [2020-10-29 15:50:56,394 INFO L138 BoogieDeclarations]: Found implementation of procedure dequeue_pending_unlink [2020-10-29 15:50:56,394 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_recv_ret_unlink [2020-10-29 15:50:56,395 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_rx_pdu [2020-10-29 15:50:56,395 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_rx_loop [2020-10-29 15:50:56,395 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-29 15:50:56,395 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-29 15:50:56,395 INFO L138 BoogieDeclarations]: Found implementation of procedure get_order [2020-10-29 15:50:56,395 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-29 15:50:56,395 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2020-10-29 15:50:56,396 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2020-10-29 15:50:56,396 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2020-10-29 15:50:56,396 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2020-10-29 15:50:56,396 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2020-10-29 15:50:56,396 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2020-10-29 15:50:56,396 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemleak_alloc [2020-10-29 15:50:56,397 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2020-10-29 15:50:56,397 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_index [2020-10-29 15:50:56,397 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_slab [2020-10-29 15:50:56,397 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-29 15:50:56,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-29 15:50:56,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-29 15:50:56,397 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_large [2020-10-29 15:50:56,398 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-29 15:50:56,398 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-29 15:50:56,398 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_vhci [2020-10-29 15:50:56,398 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_dev [2020-10-29 15:50:56,398 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_port_status [2020-10-29 15:50:56,398 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_port_connect [2020-10-29 15:50:56,398 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_port_disconnect [2020-10-29 15:50:56,399 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_hub_status [2020-10-29 15:50:56,399 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_descriptor [2020-10-29 15:50:56,399 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_hub_control [2020-10-29 15:50:56,399 INFO L138 BoogieDeclarations]: Found implementation of procedure get_vdev [2020-10-29 15:50:56,399 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_tx_urb [2020-10-29 15:50:56,399 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_urb_enqueue [2020-10-29 15:50:56,400 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_urb_dequeue [2020-10-29 15:50:56,400 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_device_unlink_cleanup [2020-10-29 15:50:56,400 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_shutdown_connection [2020-10-29 15:50:56,400 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_device_reset [2020-10-29 15:50:56,400 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_device_unusable [2020-10-29 15:50:56,400 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_device_init [2020-10-29 15:50:56,400 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_start [2020-10-29 15:50:56,401 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_stop [2020-10-29 15:50:56,401 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_get_frame_number [2020-10-29 15:50:56,401 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_bus_suspend [2020-10-29 15:50:56,401 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_bus_resume [2020-10-29 15:50:56,401 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_hcd_probe [2020-10-29 15:50:56,401 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_hcd_remove [2020-10-29 15:50:56,401 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_hcd_suspend [2020-10-29 15:50:56,402 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_hcd_resume [2020-10-29 15:50:56,402 INFO L138 BoogieDeclarations]: Found implementation of procedure the_pdev_release [2020-10-29 15:50:56,402 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_init [2020-10-29 15:50:56,402 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_cleanup [2020-10-29 15:50:56,402 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 15:50:56,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-29 15:50:56,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-29 15:50:56,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-29 15:50:56,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-29 15:50:56,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-29 15:50:56,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-29 15:50:56,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2020-10-29 15:50:56,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev [2020-10-29 15:50:56,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev [2020-10-29 15:50:56,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2020-10-29 15:50:56,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-29 15:50:56,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2020-10-29 15:50:56,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-29 15:50:56,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-29 15:50:56,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-29 15:50:56,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-29 15:50:56,404 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-29 15:50:56,405 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-29 15:50:56,405 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2020-10-29 15:50:56,405 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-29 15:50:56,405 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-29 15:50:56,405 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2020-10-29 15:50:56,405 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-29 15:50:56,406 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2020-10-29 15:50:56,406 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-29 15:50:56,406 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-29 15:50:56,406 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2020-10-29 15:50:56,406 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2020-10-29 15:50:56,406 INFO L138 BoogieDeclarations]: Found implementation of procedure kernel_sendmsg [2020-10-29 15:50:56,406 INFO L138 BoogieDeclarations]: Found implementation of procedure kernel_sock_shutdown [2020-10-29 15:50:56,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-29 15:50:56,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-10-29 15:50:56,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-29 15:50:56,407 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-29 15:50:56,407 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2020-10-29 15:50:56,407 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2020-10-29 15:50:56,407 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_register [2020-10-29 15:50:56,408 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2020-10-29 15:50:56,408 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_register [2020-10-29 15:50:56,408 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2020-10-29 15:50:56,408 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2020-10-29 15:50:56,408 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-29 15:50:56,408 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-10-29 15:50:56,409 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_release [2020-10-29 15:50:56,409 INFO L138 BoogieDeclarations]: Found implementation of procedure sockfd_to_socket [2020-10-29 15:50:56,409 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2020-10-29 15:50:56,409 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2020-10-29 15:50:56,409 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_add_hcd [2020-10-29 15:50:56,409 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_create_hcd [2020-10-29 15:50:56,409 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2020-10-29 15:50:56,410 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_check_unlink_urb [2020-10-29 15:50:56,410 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_giveback_urb [2020-10-29 15:50:56,410 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2020-10-29 15:50:56,410 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_poll_rh_status [2020-10-29 15:50:56,410 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2020-10-29 15:50:56,410 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2020-10-29 15:50:56,410 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2020-10-29 15:50:56,411 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remove_hcd [2020-10-29 15:50:56,411 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_alloc_iso_desc_pdu [2020-10-29 15:50:56,411 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_dump_header [2020-10-29 15:50:56,411 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_dump_urb [2020-10-29 15:50:56,411 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_event_add [2020-10-29 15:50:56,411 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_event_happened [2020-10-29 15:50:56,411 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_header_correct_endian [2020-10-29 15:50:56,412 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_pack_pdu [2020-10-29 15:50:56,412 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_recv_iso [2020-10-29 15:50:56,412 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_recv_xbuff [2020-10-29 15:50:56,412 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_start_eh [2020-10-29 15:50:56,412 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_start_threads [2020-10-29 15:50:56,412 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_stop_eh [2020-10-29 15:50:56,412 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_stop_threads [2020-10-29 15:50:56,413 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_task_init [2020-10-29 15:50:56,413 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_xmit [2020-10-29 15:50:56,413 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2020-10-29 15:50:56,413 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-29 15:50:56,413 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-29 15:50:56,413 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-29 15:50:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 15:50:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 15:50:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 15:50:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 15:50:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 15:50:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 15:50:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-29 15:50:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-29 15:50:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-29 15:50:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-10-29 15:50:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-29 15:50:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-29 15:50:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2020-10-29 15:50:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-29 15:50:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-29 15:50:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-29 15:50:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-29 15:50:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-10-29 15:50:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 15:50:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-10-29 15:50:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure sockfd_to_socket [2020-10-29 15:50:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_start_threads [2020-10-29 15:50:56,417 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_event_add [2020-10-29 15:50:56,417 INFO L130 BoogieDeclarations]: Found specification of procedure rh_port_connect [2020-10-29 15:50:56,417 INFO L130 BoogieDeclarations]: Found specification of procedure port_to_vdev [2020-10-29 15:50:56,417 INFO L130 BoogieDeclarations]: Found specification of procedure show_status [2020-10-29 15:50:56,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 15:50:56,417 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_port_disconnect [2020-10-29 15:50:56,417 INFO L130 BoogieDeclarations]: Found specification of procedure store_detach [2020-10-29 15:50:56,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 15:50:56,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 15:50:56,418 INFO L130 BoogieDeclarations]: Found specification of procedure valid_args [2020-10-29 15:50:56,418 INFO L130 BoogieDeclarations]: Found specification of procedure store_attach [2020-10-29 15:50:56,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 15:50:56,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-29 15:50:56,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-29 15:50:56,418 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 15:50:56,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main0_sequence_infinite_withcheck_stateful [2020-10-29 15:50:56,419 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-29 15:50:56,419 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-29 15:50:56,419 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-29 15:50:56,419 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-29 15:50:56,419 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-29 15:50:56,419 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del [2020-10-29 15:50:56,419 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2020-10-29 15:50:56,419 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-10-29 15:50:56,420 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2020-10-29 15:50:56,420 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-29 15:50:56,420 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-29 15:50:56,420 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-29 15:50:56,420 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-29 15:50:56,420 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2020-10-29 15:50:56,420 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2020-10-29 15:50:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2020-10-29 15:50:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-10-29 15:50:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2020-10-29 15:50:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2020-10-29 15:50:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-29 15:50:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_sendmsg [2020-10-29 15:50:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_pack_pdu [2020-10-29 15:50:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_header_correct_endian [2020-10-29 15:50:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_alloc_iso_desc_pdu [2020-10-29 15:50:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_tx_loop [2020-10-29 15:50:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure setup_cmd_submit_pdu [2020-10-29 15:50:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-29 15:50:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue_from_priv_tx [2020-10-29 15:50:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_send_cmd_submit [2020-10-29 15:50:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-29 15:50:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue_from_unlink_tx [2020-10-29 15:50:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_send_cmd_unlink [2020-10-29 15:50:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-29 15:50:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-29 15:50:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-29 15:50:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_xmit [2020-10-29 15:50:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_dump_urb [2020-10-29 15:50:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_dump_header [2020-10-29 15:50:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_recv_xbuff [2020-10-29 15:50:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_recv_iso [2020-10-29 15:50:56,424 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_event_happened [2020-10-29 15:50:56,424 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2020-10-29 15:50:56,424 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_giveback_urb [2020-10-29 15:50:56,424 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_rx_loop [2020-10-29 15:50:56,424 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_to_hcd [2020-10-29 15:50:56,424 INFO L130 BoogieDeclarations]: Found specification of procedure pickup_urb_and_free_priv [2020-10-29 15:50:56,424 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_recv_ret_submit [2020-10-29 15:50:56,424 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue_pending_unlink [2020-10-29 15:50:56,424 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_recv_ret_unlink [2020-10-29 15:50:56,425 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_rx_pdu [2020-10-29 15:50:56,425 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-29 15:50:56,425 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-29 15:50:56,425 INFO L130 BoogieDeclarations]: Found specification of procedure get_order [2020-10-29 15:50:56,425 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-29 15:50:56,425 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2020-10-29 15:50:56,425 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2020-10-29 15:50:56,425 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2020-10-29 15:50:56,426 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-29 15:50:56,426 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2020-10-29 15:50:56,426 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2020-10-29 15:50:56,426 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2020-10-29 15:50:56,426 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2020-10-29 15:50:56,426 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-29 15:50:56,426 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-29 15:50:56,426 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2020-10-29 15:50:56,427 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2020-10-29 15:50:56,427 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2020-10-29 15:50:56,427 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2020-10-29 15:50:56,459 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2020-10-29 15:50:56,459 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2020-10-29 15:50:56,459 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2020-10-29 15:50:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-29 15:50:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2020-10-29 15:50:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-29 15:50:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2020-10-29 15:50:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure kmemleak_alloc [2020-10-29 15:50:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2020-10-29 15:50:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2020-10-29 15:50:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_index [2020-10-29 15:50:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_slab [2020-10-29 15:50:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-29 15:50:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 15:50:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-29 15:50:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-29 15:50:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 15:50:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-29 15:50:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2020-10-29 15:50:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_large [2020-10-29 15:50:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-29 15:50:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-29 15:50:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-29 15:50:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure sock_release [2020-10-29 15:50:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_sock_shutdown [2020-10-29 15:50:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_task_init [2020-10-29 15:50:56,464 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_stop_threads [2020-10-29 15:50:56,464 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_start_eh [2020-10-29 15:50:56,464 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_stop_eh [2020-10-29 15:50:56,465 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_register [2020-10-29 15:50:56,465 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2020-10-29 15:50:56,465 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_register [2020-10-29 15:50:56,465 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2020-10-29 15:50:56,465 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2020-10-29 15:50:56,465 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_check_unlink_urb [2020-10-29 15:50:56,465 INFO L130 BoogieDeclarations]: Found specification of procedure usb_create_hcd [2020-10-29 15:50:56,465 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2020-10-29 15:50:56,466 INFO L130 BoogieDeclarations]: Found specification of procedure usb_add_hcd [2020-10-29 15:50:56,466 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remove_hcd [2020-10-29 15:50:56,466 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_poll_rh_status [2020-10-29 15:50:56,466 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2020-10-29 15:50:56,466 INFO L130 BoogieDeclarations]: Found specification of procedure rh_port_disconnect [2020-10-29 15:50:56,466 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_vhci [2020-10-29 15:50:56,466 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_dev [2020-10-29 15:50:56,466 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_hub_status [2020-10-29 15:50:56,467 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_hub_control [2020-10-29 15:50:56,467 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_urb_enqueue [2020-10-29 15:50:56,467 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_urb_dequeue [2020-10-29 15:50:56,467 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_start [2020-10-29 15:50:56,467 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_stop [2020-10-29 15:50:56,467 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_get_frame_number [2020-10-29 15:50:56,468 INFO L130 BoogieDeclarations]: Found specification of procedure dump_port_status [2020-10-29 15:50:56,468 INFO L130 BoogieDeclarations]: Found specification of procedure hub_descriptor [2020-10-29 15:50:56,468 INFO L130 BoogieDeclarations]: Found specification of procedure get_vdev [2020-10-29 15:50:56,468 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_tx_urb [2020-10-29 15:50:56,468 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_device_unlink_cleanup [2020-10-29 15:50:56,468 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_shutdown_connection [2020-10-29 15:50:56,468 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_device_reset [2020-10-29 15:50:56,468 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_device_unusable [2020-10-29 15:50:56,469 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_device_init [2020-10-29 15:50:56,469 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_bus_suspend [2020-10-29 15:50:56,469 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_bus_resume [2020-10-29 15:50:56,469 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_hcd_probe [2020-10-29 15:50:56,469 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_hcd_remove [2020-10-29 15:50:56,469 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_hcd_suspend [2020-10-29 15:50:56,469 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_hcd_resume [2020-10-29 15:50:56,469 INFO L130 BoogieDeclarations]: Found specification of procedure the_pdev_release [2020-10-29 15:50:56,470 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_init [2020-10-29 15:50:56,470 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_cleanup [2020-10-29 15:50:56,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-29 15:50:56,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2020-10-29 15:50:56,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-10-29 15:50:56,470 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 15:50:56,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-29 15:50:56,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-29 15:50:56,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-29 15:50:56,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-29 15:50:56,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2020-10-29 15:50:56,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev [2020-10-29 15:50:56,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev [2020-10-29 15:50:56,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-29 15:50:56,471 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 15:50:56,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 15:50:56,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 15:50:56,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-29 15:50:56,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 15:50:56,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-29 15:50:56,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-29 15:50:56,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-29 15:50:56,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-29 15:51:29,238 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 15:51:29,238 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-29 15:51:29,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:51:29 BoogieIcfgContainer [2020-10-29 15:51:29,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 15:51:29,246 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 15:51:29,246 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 15:51:29,250 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 15:51:29,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 03:50:53" (1/3) ... [2020-10-29 15:51:29,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f54cdfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 03:51:29, skipping insertion in model container [2020-10-29 15:51:29,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:50:55" (2/3) ... [2020-10-29 15:51:29,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f54cdfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 03:51:29, skipping insertion in model container [2020-10-29 15:51:29,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:51:29" (3/3) ... [2020-10-29 15:51:29,253 INFO L111 eAbstractionObserver]: Analyzing ICFG main3_drivers-staging-usbip-vhci-hcd-ko--132_1a--927c3fa-1.i [2020-10-29 15:51:29,265 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 15:51:29,273 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 15:51:29,287 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 15:51:29,326 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 15:51:29,326 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 15:51:29,326 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 15:51:29,326 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 15:51:29,327 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 15:51:29,327 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 15:51:29,327 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 15:51:29,327 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 15:51:29,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states. [2020-10-29 15:51:29,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-29 15:51:29,391 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 15:51:29,394 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, 1, 1] [2020-10-29 15:51:29,395 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 15:51:29,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 15:51:29,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1220606955, now seen corresponding path program 1 times [2020-10-29 15:51:29,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 15:51:29,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1135143889] [2020-10-29 15:51:29,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 15:51:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 15:51:31,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 15:51:48,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 15:51:48,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-29 15:51:48,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 15:51:48,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17885 [2020-10-29 15:51:48,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 15:51:48,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 15:51:48,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 15:51:48,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 15:51:48,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-29 15:51:48,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 15:52:58,490 WARN L193 SmtUtils]: Spent 1.15 m on a formula simplification that was a NOOP. DAG size: 2287 [2020-10-29 15:52:58,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 15:52:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 15:52:59,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 15:53:06,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 15:53:06,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 15:53:06,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 15:53:06,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7912 [2020-10-29 15:53:06,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 15:53:06,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 15:53:06,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 15:53:06,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 15:53:06,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 15:53:06,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 15:53:06,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 15:53:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 15:53:06,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 15:53:06,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 15:53:06,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 15:53:06,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 15:53:06,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 15:53:06,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 15:53:06,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 15:53:06,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 15:53:06,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 15:53:06,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 15:53:06,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 15:53:07,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 15:53:07,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 15:53:07,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 15:53:07,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 15:53:07,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 15:53:07,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 15:53:07,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 15:53:07,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 15:53:07,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 15:53:07,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 15:53:07,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 15:53:07,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 15:53:07,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 15:53:07,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 15:53:07,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 15:53:07,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 15:53:07,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 15:53:07,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 15:53:07,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 15:53:07,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-29 15:53:07,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 15:53:07,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 15:53:07,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 15:53:07,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 15:53:07,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 15:53:07,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 15:53:07,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 15:53:07,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 15:53:07,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 15:53:07,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 15:53:07,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 15:53:07,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 15:53:07,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 15:53:07,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 15:53:07,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 15:53:07,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 15:53:07,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 15:53:07,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 15:53:07,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 15:53:07,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 15:53:07,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1135143889] [2020-10-29 15:53:07,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 15:53:07,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 15:53:07,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537234155] [2020-10-29 15:53:07,182 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 15:53:07,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 15:53:07,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 15:53:07,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 15:53:07,198 INFO L87 Difference]: Start difference. First operand 1753 states. Second operand 5 states. [2020-10-29 15:54:19,179 WARN L193 SmtUtils]: Spent 1.15 m on a formula simplification that was a NOOP. DAG size: 2289