/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 11:27:21,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 11:27:21,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 11:27:21,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 11:27:21,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 11:27:21,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 11:27:21,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 11:27:21,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 11:27:21,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 11:27:21,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 11:27:21,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 11:27:21,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 11:27:21,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 11:27:21,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 11:27:21,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 11:27:21,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 11:27:21,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 11:27:21,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 11:27:21,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 11:27:21,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 11:27:21,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 11:27:21,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 11:27:21,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 11:27:21,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 11:27:21,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 11:27:21,780 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 11:27:21,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 11:27:21,781 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 11:27:21,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 11:27:21,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 11:27:21,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 11:27:21,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 11:27:21,784 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 11:27:21,785 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 11:27:21,785 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 11:27:21,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 11:27:21,786 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 11:27:21,787 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 11:27:21,787 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 11:27:21,788 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 11:27:21,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 11:27:21,789 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 [2020-10-14 11:27:21,810 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 11:27:21,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 11:27:21,812 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 11:27:21,812 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 11:27:21,813 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 11:27:21,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 11:27:21,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 11:27:21,813 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 11:27:21,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 11:27:21,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 11:27:21,814 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 11:27:21,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 11:27:21,814 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 11:27:21,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 11:27:21,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 11:27:21,815 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 11:27:21,815 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 11:27:21,815 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 11:27:21,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 11:27:21,816 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 11:27:21,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 11:27:21,816 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 11:27:21,816 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 11:27:21,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 11:27:21,817 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 11:27:21,817 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 11:27:21,817 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-14 11:27:21,817 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 11:27:22,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 11:27:22,162 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 11:27:22,167 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 11:27:22,169 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 11:27:22,170 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 11:27:22,172 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/main3_drivers-staging-usbip-vhci-hcd-ko--132_1a--927c3fa-1.i [2020-10-14 11:27:22,232 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/089807adf/a8ccddabdc334db18641e85a51d5d00f/FLAG59f6ab142 [2020-10-14 11:27:23,124 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 11:27:23,125 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-commit-tester/main3_drivers-staging-usbip-vhci-hcd-ko--132_1a--927c3fa-1.i [2020-10-14 11:27:23,175 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/089807adf/a8ccddabdc334db18641e85a51d5d00f/FLAG59f6ab142 [2020-10-14 11:27:23,651 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/089807adf/a8ccddabdc334db18641e85a51d5d00f [2020-10-14 11:27:23,660 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 11:27:23,662 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 11:27:23,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 11:27:23,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 11:27:23,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 11:27:23,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:27:23" (1/1) ... [2020-10-14 11:27:23,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79b03bc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:27:23, skipping insertion in model container [2020-10-14 11:27:23,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:27:23" (1/1) ... [2020-10-14 11:27:23,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 11:27:23,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 11:27:25,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 11:27:25,450 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 11:27:25,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 11:27:26,219 INFO L208 MainTranslator]: Completed translation [2020-10-14 11:27:26,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:27:26 WrapperNode [2020-10-14 11:27:26,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 11:27:26,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 11:27:26,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 11:27:26,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 11:27:26,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:27:26" (1/1) ... [2020-10-14 11:27:26,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:27:26" (1/1) ... [2020-10-14 11:27:26,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:27:26" (1/1) ... [2020-10-14 11:27:26,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:27:26" (1/1) ... [2020-10-14 11:27:26,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:27:26" (1/1) ... [2020-10-14 11:27:26,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:27:26" (1/1) ... [2020-10-14 11:27:26,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:27:26" (1/1) ... [2020-10-14 11:27:26,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 11:27:26,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 11:27:26,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 11:27:26,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 11:27:26,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:27:26" (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 [2020-10-14 11:27:26,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 11:27:26,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 11:27:26,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2020-10-14 11:27:26,631 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-14 11:27:26,632 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2020-10-14 11:27:26,632 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-14 11:27:26,633 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-14 11:27:26,634 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-10-14 11:27:26,635 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-10-14 11:27:26,636 INFO L138 BoogieDeclarations]: Found implementation of procedure port_to_vdev [2020-10-14 11:27:26,636 INFO L138 BoogieDeclarations]: Found implementation of procedure show_status [2020-10-14 11:27:26,636 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_port_disconnect [2020-10-14 11:27:26,637 INFO L138 BoogieDeclarations]: Found implementation of procedure store_detach [2020-10-14 11:27:26,637 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_args [2020-10-14 11:27:26,637 INFO L138 BoogieDeclarations]: Found implementation of procedure store_attach [2020-10-14 11:27:26,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main0_sequence_infinite_withcheck_stateful [2020-10-14 11:27:26,637 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-14 11:27:26,640 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-14 11:27:26,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del [2020-10-14 11:27:26,641 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2020-10-14 11:27:26,641 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-10-14 11:27:26,642 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2020-10-14 11:27:26,642 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-14 11:27:26,642 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-14 11:27:26,642 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2020-10-14 11:27:26,642 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2020-10-14 11:27:26,642 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_cmd_submit_pdu [2020-10-14 11:27:26,643 INFO L138 BoogieDeclarations]: Found implementation of procedure dequeue_from_priv_tx [2020-10-14 11:27:26,643 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_send_cmd_submit [2020-10-14 11:27:26,643 INFO L138 BoogieDeclarations]: Found implementation of procedure dequeue_from_unlink_tx [2020-10-14 11:27:26,643 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_send_cmd_unlink [2020-10-14 11:27:26,643 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_tx_loop [2020-10-14 11:27:26,643 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-14 11:27:26,644 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_to_hcd [2020-10-14 11:27:26,644 INFO L138 BoogieDeclarations]: Found implementation of procedure pickup_urb_and_free_priv [2020-10-14 11:27:26,644 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_recv_ret_submit [2020-10-14 11:27:26,644 INFO L138 BoogieDeclarations]: Found implementation of procedure dequeue_pending_unlink [2020-10-14 11:27:26,644 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_recv_ret_unlink [2020-10-14 11:27:26,644 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_rx_pdu [2020-10-14 11:27:26,644 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_rx_loop [2020-10-14 11:27:26,644 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-14 11:27:26,645 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-14 11:27:26,645 INFO L138 BoogieDeclarations]: Found implementation of procedure get_order [2020-10-14 11:27:26,645 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-14 11:27:26,645 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2020-10-14 11:27:26,645 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2020-10-14 11:27:26,645 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2020-10-14 11:27:26,645 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2020-10-14 11:27:26,646 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2020-10-14 11:27:26,646 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2020-10-14 11:27:26,646 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemleak_alloc [2020-10-14 11:27:26,646 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2020-10-14 11:27:26,646 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_index [2020-10-14 11:27:26,646 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_slab [2020-10-14 11:27:26,646 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 11:27:26,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-14 11:27:26,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-14 11:27:26,647 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_large [2020-10-14 11:27:26,647 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-14 11:27:26,647 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-14 11:27:26,647 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_vhci [2020-10-14 11:27:26,647 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_dev [2020-10-14 11:27:26,648 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_port_status [2020-10-14 11:27:26,648 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_port_connect [2020-10-14 11:27:26,648 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_port_disconnect [2020-10-14 11:27:26,648 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_hub_status [2020-10-14 11:27:26,648 INFO L138 BoogieDeclarations]: Found implementation of procedure hub_descriptor [2020-10-14 11:27:26,648 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_hub_control [2020-10-14 11:27:26,649 INFO L138 BoogieDeclarations]: Found implementation of procedure get_vdev [2020-10-14 11:27:26,649 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_tx_urb [2020-10-14 11:27:26,649 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_urb_enqueue [2020-10-14 11:27:26,650 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_urb_dequeue [2020-10-14 11:27:26,650 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_device_unlink_cleanup [2020-10-14 11:27:26,651 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_shutdown_connection [2020-10-14 11:27:26,651 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_device_reset [2020-10-14 11:27:26,651 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_device_unusable [2020-10-14 11:27:26,651 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_device_init [2020-10-14 11:27:26,652 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_start [2020-10-14 11:27:26,652 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_stop [2020-10-14 11:27:26,652 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_get_frame_number [2020-10-14 11:27:26,652 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_bus_suspend [2020-10-14 11:27:26,652 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_bus_resume [2020-10-14 11:27:26,652 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_hcd_probe [2020-10-14 11:27:26,652 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_hcd_remove [2020-10-14 11:27:26,652 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_hcd_suspend [2020-10-14 11:27:26,652 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_hcd_resume [2020-10-14 11:27:26,653 INFO L138 BoogieDeclarations]: Found implementation of procedure the_pdev_release [2020-10-14 11:27:26,653 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_init [2020-10-14 11:27:26,653 INFO L138 BoogieDeclarations]: Found implementation of procedure vhci_cleanup [2020-10-14 11:27:26,653 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 11:27:26,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-14 11:27:26,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-14 11:27:26,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-14 11:27:26,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-14 11:27:26,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-14 11:27:26,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-14 11:27:26,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2020-10-14 11:27:26,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev [2020-10-14 11:27:26,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev [2020-10-14 11:27:26,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2020-10-14 11:27:26,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-14 11:27:26,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2020-10-14 11:27:26,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-14 11:27:26,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-14 11:27:26,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-14 11:27:26,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-14 11:27:26,655 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-14 11:27:26,655 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-14 11:27:26,655 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2020-10-14 11:27:26,655 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-14 11:27:26,655 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-14 11:27:26,655 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2020-10-14 11:27:26,655 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-14 11:27:26,655 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2020-10-14 11:27:26,655 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-14 11:27:26,655 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-14 11:27:26,656 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2020-10-14 11:27:26,656 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2020-10-14 11:27:26,656 INFO L138 BoogieDeclarations]: Found implementation of procedure kernel_sendmsg [2020-10-14 11:27:26,656 INFO L138 BoogieDeclarations]: Found implementation of procedure kernel_sock_shutdown [2020-10-14 11:27:26,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-14 11:27:26,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-10-14 11:27:26,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-14 11:27:26,657 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-14 11:27:26,657 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2020-10-14 11:27:26,658 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2020-10-14 11:27:26,658 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_register [2020-10-14 11:27:26,659 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2020-10-14 11:27:26,660 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_register [2020-10-14 11:27:26,661 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2020-10-14 11:27:26,661 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2020-10-14 11:27:26,661 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-14 11:27:26,661 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-10-14 11:27:26,661 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_release [2020-10-14 11:27:26,661 INFO L138 BoogieDeclarations]: Found implementation of procedure sockfd_to_socket [2020-10-14 11:27:26,661 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2020-10-14 11:27:26,662 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2020-10-14 11:27:26,662 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_add_hcd [2020-10-14 11:27:26,662 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_create_hcd [2020-10-14 11:27:26,663 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2020-10-14 11:27:26,663 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_check_unlink_urb [2020-10-14 11:27:26,663 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_giveback_urb [2020-10-14 11:27:26,663 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2020-10-14 11:27:26,663 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_poll_rh_status [2020-10-14 11:27:26,665 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2020-10-14 11:27:26,670 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2020-10-14 11:27:26,670 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2020-10-14 11:27:26,671 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remove_hcd [2020-10-14 11:27:26,671 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_alloc_iso_desc_pdu [2020-10-14 11:27:26,671 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_dump_header [2020-10-14 11:27:26,671 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_dump_urb [2020-10-14 11:27:26,671 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_event_add [2020-10-14 11:27:26,671 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_event_happened [2020-10-14 11:27:26,671 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_header_correct_endian [2020-10-14 11:27:26,671 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_pack_pdu [2020-10-14 11:27:26,672 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_recv_iso [2020-10-14 11:27:26,672 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_recv_xbuff [2020-10-14 11:27:26,672 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_start_eh [2020-10-14 11:27:26,672 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_start_threads [2020-10-14 11:27:26,672 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_stop_eh [2020-10-14 11:27:26,672 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_stop_threads [2020-10-14 11:27:26,672 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_task_init [2020-10-14 11:27:26,672 INFO L138 BoogieDeclarations]: Found implementation of procedure usbip_xmit [2020-10-14 11:27:26,673 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2020-10-14 11:27:26,673 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-14 11:27:26,675 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-14 11:27:26,675 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-14 11:27:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 11:27:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-14 11:27:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-14 11:27:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-14 11:27:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-10-14 11:27:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-14 11:27:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-14 11:27:26,677 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2020-10-14 11:27:26,677 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-14 11:27:26,677 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-14 11:27:26,677 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-14 11:27:26,677 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-14 11:27:26,677 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-10-14 11:27:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 11:27:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-10-14 11:27:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure sockfd_to_socket [2020-10-14 11:27:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_start_threads [2020-10-14 11:27:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_event_add [2020-10-14 11:27:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure rh_port_connect [2020-10-14 11:27:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure port_to_vdev [2020-10-14 11:27:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure show_status [2020-10-14 11:27:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 11:27:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 11:27:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_port_disconnect [2020-10-14 11:27:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure store_detach [2020-10-14 11:27:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 11:27:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 11:27:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure valid_args [2020-10-14 11:27:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure store_attach [2020-10-14 11:27:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 11:27:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-14 11:27:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-14 11:27:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 11:27:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main0_sequence_infinite_withcheck_stateful [2020-10-14 11:27:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-14 11:27:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-14 11:27:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-14 11:27:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-14 11:27:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-14 11:27:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del [2020-10-14 11:27:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2020-10-14 11:27:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-10-14 11:27:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2020-10-14 11:27:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-14 11:27:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-14 11:27:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-14 11:27:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-14 11:27:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2020-10-14 11:27:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2020-10-14 11:27:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2020-10-14 11:27:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-10-14 11:27:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2020-10-14 11:27:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2020-10-14 11:27:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-14 11:27:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_sendmsg [2020-10-14 11:27:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_pack_pdu [2020-10-14 11:27:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_header_correct_endian [2020-10-14 11:27:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_alloc_iso_desc_pdu [2020-10-14 11:27:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_tx_loop [2020-10-14 11:27:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure setup_cmd_submit_pdu [2020-10-14 11:27:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-14 11:27:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue_from_priv_tx [2020-10-14 11:27:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_send_cmd_submit [2020-10-14 11:27:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-14 11:27:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue_from_unlink_tx [2020-10-14 11:27:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_send_cmd_unlink [2020-10-14 11:27:26,685 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-14 11:27:26,685 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-14 11:27:26,685 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-14 11:27:26,685 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_xmit [2020-10-14 11:27:26,685 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_dump_urb [2020-10-14 11:27:26,685 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_dump_header [2020-10-14 11:27:26,685 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_recv_xbuff [2020-10-14 11:27:26,685 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_recv_iso [2020-10-14 11:27:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_event_happened [2020-10-14 11:27:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2020-10-14 11:27:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_giveback_urb [2020-10-14 11:27:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_rx_loop [2020-10-14 11:27:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_to_hcd [2020-10-14 11:27:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure pickup_urb_and_free_priv [2020-10-14 11:27:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_recv_ret_submit [2020-10-14 11:27:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue_pending_unlink [2020-10-14 11:27:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_recv_ret_unlink [2020-10-14 11:27:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_rx_pdu [2020-10-14 11:27:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-14 11:27:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-14 11:27:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure get_order [2020-10-14 11:27:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-14 11:27:26,693 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2020-10-14 11:27:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2020-10-14 11:27:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2020-10-14 11:27:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-14 11:27:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2020-10-14 11:27:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2020-10-14 11:27:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2020-10-14 11:27:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2020-10-14 11:27:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-14 11:27:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-14 11:27:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2020-10-14 11:27:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2020-10-14 11:27:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2020-10-14 11:27:26,697 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2020-10-14 11:27:26,697 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2020-10-14 11:27:26,697 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2020-10-14 11:27:26,697 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2020-10-14 11:27:26,697 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-14 11:27:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2020-10-14 11:27:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-14 11:27:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2020-10-14 11:27:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure kmemleak_alloc [2020-10-14 11:27:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2020-10-14 11:27:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2020-10-14 11:27:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_index [2020-10-14 11:27:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_slab [2020-10-14 11:27:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 11:27:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 11:27:26,703 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 11:27:26,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-14 11:27:26,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-14 11:27:26,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 11:27:26,703 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-14 11:27:26,703 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2020-10-14 11:27:26,703 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_large [2020-10-14 11:27:26,703 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-14 11:27:26,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-14 11:27:26,704 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-14 11:27:26,704 INFO L130 BoogieDeclarations]: Found specification of procedure sock_release [2020-10-14 11:27:26,704 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_sock_shutdown [2020-10-14 11:27:26,704 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_task_init [2020-10-14 11:27:26,704 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_stop_threads [2020-10-14 11:27:26,704 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_start_eh [2020-10-14 11:27:26,704 INFO L130 BoogieDeclarations]: Found specification of procedure usbip_stop_eh [2020-10-14 11:27:26,705 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_register [2020-10-14 11:27:26,705 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2020-10-14 11:27:26,705 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_register [2020-10-14 11:27:26,705 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2020-10-14 11:27:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2020-10-14 11:27:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_check_unlink_urb [2020-10-14 11:27:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure usb_create_hcd [2020-10-14 11:27:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2020-10-14 11:27:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure usb_add_hcd [2020-10-14 11:27:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remove_hcd [2020-10-14 11:27:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_poll_rh_status [2020-10-14 11:27:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2020-10-14 11:27:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure rh_port_disconnect [2020-10-14 11:27:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_vhci [2020-10-14 11:27:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_dev [2020-10-14 11:27:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_hub_status [2020-10-14 11:27:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_hub_control [2020-10-14 11:27:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_urb_enqueue [2020-10-14 11:27:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_urb_dequeue [2020-10-14 11:27:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_start [2020-10-14 11:27:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_stop [2020-10-14 11:27:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_get_frame_number [2020-10-14 11:27:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure dump_port_status [2020-10-14 11:27:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure hub_descriptor [2020-10-14 11:27:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure get_vdev [2020-10-14 11:27:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_tx_urb [2020-10-14 11:27:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_device_unlink_cleanup [2020-10-14 11:27:26,709 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_shutdown_connection [2020-10-14 11:27:26,709 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_device_reset [2020-10-14 11:27:26,709 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_device_unusable [2020-10-14 11:27:26,709 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_device_init [2020-10-14 11:27:26,709 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_bus_suspend [2020-10-14 11:27:26,709 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_bus_resume [2020-10-14 11:27:26,709 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_hcd_probe [2020-10-14 11:27:26,709 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_hcd_remove [2020-10-14 11:27:26,709 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_hcd_suspend [2020-10-14 11:27:26,710 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_hcd_resume [2020-10-14 11:27:26,710 INFO L130 BoogieDeclarations]: Found specification of procedure the_pdev_release [2020-10-14 11:27:26,710 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_init [2020-10-14 11:27:26,710 INFO L130 BoogieDeclarations]: Found specification of procedure vhci_cleanup [2020-10-14 11:27:26,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-14 11:27:26,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2020-10-14 11:27:26,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-10-14 11:27:26,710 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 11:27:26,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-14 11:27:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-14 11:27:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-14 11:27:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-14 11:27:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2020-10-14 11:27:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev [2020-10-14 11:27:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev [2020-10-14 11:27:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-14 11:27:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 11:27:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 11:27:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 11:27:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-14 11:27:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 11:27:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-14 11:27:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-14 11:27:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-14 11:27:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-14 11:27:50,944 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 11:27:50,944 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-14 11:27:50,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:27:50 BoogieIcfgContainer [2020-10-14 11:27:50,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 11:27:50,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 11:27:50,964 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 11:27:50,967 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 11:27:50,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:27:23" (1/3) ... [2020-10-14 11:27:50,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d7ca312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:27:50, skipping insertion in model container [2020-10-14 11:27:50,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:27:26" (2/3) ... [2020-10-14 11:27:50,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d7ca312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:27:50, skipping insertion in model container [2020-10-14 11:27:50,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:27:50" (3/3) ... [2020-10-14 11:27:50,971 INFO L109 eAbstractionObserver]: Analyzing ICFG main3_drivers-staging-usbip-vhci-hcd-ko--132_1a--927c3fa-1.i [2020-10-14 11:27:50,981 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 11:27:50,991 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 11:27:51,005 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 11:27:51,041 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 11:27:51,042 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 11:27:51,042 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 11:27:51,042 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 11:27:51,042 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 11:27:51,042 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 11:27:51,042 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 11:27:51,042 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 11:27:51,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1748 states. [2020-10-14 11:27:51,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-14 11:27:51,108 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 11:27:51,109 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] [2020-10-14 11:27:51,110 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 11:27:51,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 11:27:51,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1946162654, now seen corresponding path program 1 times [2020-10-14 11:27:51,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 11:27:51,123 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [467897988] [2020-10-14 11:27:51,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 11:27:52,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:27:53,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:28:12,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:28:12,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-14 11:28:12,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:28:12,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20254 [2020-10-14 11:28:12,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:28:12,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:28:12,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 11:28:12,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 11:28:12,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-14 11:28:12,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 11:28:33,015 WARN L193 SmtUtils]: Spent 19.34 s on a formula simplification that was a NOOP. DAG size: 2275 [2020-10-14 11:28:33,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 11:28:33,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:28:33,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:28:38,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:28:38,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:28:38,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:28:38,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5727 [2020-10-14 11:28:38,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:28:38,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:28:38,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:28:38,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:28:38,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 11:28:38,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 11:28:39,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 11:28:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:28:39,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:28:39,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:28:39,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 11:28:39,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:28:39,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 11:28:39,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:28:39,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:28:39,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:28:39,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:28:39,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 11:28:39,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:28:39,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 11:28:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:28:39,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:28:39,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:28:39,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 11:28:39,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:28:39,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 11:28:39,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:28:39,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:28:39,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:28:39,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:28:39,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 11:28:39,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:28:39,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 11:28:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:28:39,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:28:39,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:28:39,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 11:28:39,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:28:39,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-14 11:28:39,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:28:39,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:28:39,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 11:28:39,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:28:39,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 11:28:39,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:28:39,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 11:28:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 11:28:39,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 11:28:39,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 11:28:39,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 11:28:39,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 11:28:39,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 11:28:39,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 11:28:39,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 11:28:39,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 11:28:39,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 11:28:39,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 11:28:39,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 11:28:39,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 11:28:39,704 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [467897988] [2020-10-14 11:28:39,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 11:28:39,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 11:28:39,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688854341] [2020-10-14 11:28:39,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 11:28:39,716 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 11:28:39,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 11:28:39,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 11:28:39,742 INFO L87 Difference]: Start difference. First operand 1748 states. Second operand 4 states. [2020-10-14 11:29:02,131 WARN L193 SmtUtils]: Spent 19.59 s on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:29:44,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 11:29:44,535 INFO L93 Difference]: Finished difference Result 2066 states and 2812 transitions. [2020-10-14 11:29:44,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 11:29:44,537 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2020-10-14 11:29:44,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 11:29:44,544 INFO L225 Difference]: With dead ends: 2066 [2020-10-14 11:29:44,544 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 11:29:44,564 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 39.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 11:29:44,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 11:29:44,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 11:29:44,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 11:29:44,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 11:29:44,588 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2020-10-14 11:29:44,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 11:29:44,588 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 11:29:44,588 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 11:29:44,588 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 11:29:44,588 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 11:29:44,589 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 11:29:44,591 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 11:29:46,805 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:29:47,702 WARN L193 SmtUtils]: Spent 877.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:29:48,527 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:29:49,429 WARN L193 SmtUtils]: Spent 899.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:29:50,265 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:29:51,086 WARN L193 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:29:51,929 WARN L193 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:29:52,743 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:29:53,552 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:29:54,404 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:29:55,203 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:29:56,004 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:29:56,842 WARN L193 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:29:57,655 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:29:58,454 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:29:59,298 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:00,100 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:00,903 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:01,717 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:02,543 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:03,349 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:04,160 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:05,017 WARN L193 SmtUtils]: Spent 855.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:05,811 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:06,611 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:07,415 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:08,266 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:09,063 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:09,863 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:10,695 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:11,497 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:12,295 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:13,109 WARN L193 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:13,948 WARN L193 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:14,745 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:15,544 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:16,343 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:17,177 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:17,981 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:18,789 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:19,586 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:20,386 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:21,204 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:22,016 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:22,821 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:23,633 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:24,434 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:25,246 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:26,055 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:26,865 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:27,668 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:28,482 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:29,312 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:30,118 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:30,957 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:31,783 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:32,607 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:33,408 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:34,231 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:35,035 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:35,848 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:36,659 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:37,457 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:38,249 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:39,052 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:39,858 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:40,662 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:41,456 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:42,283 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:43,078 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:43,877 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:44,673 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:45,483 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:46,284 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:47,099 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:47,928 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:48,739 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:49,556 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:50,357 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:51,159 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:51,978 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:52,774 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:53,579 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:54,389 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:55,186 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:56,003 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:56,803 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:57,610 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:58,419 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:30:59,224 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:00,030 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:00,836 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:01,640 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:02,437 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:03,238 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:04,070 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:04,890 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:05,688 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:06,496 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:07,296 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:08,095 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:08,904 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:09,717 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:10,520 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:11,329 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:12,150 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:12,958 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:13,778 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:14,585 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:15,396 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:16,196 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:16,998 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:17,800 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:18,600 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:19,411 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:20,208 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:20,999 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:21,796 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:22,585 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:23,383 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:24,187 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:24,995 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:25,797 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:26,591 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:27,388 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:28,203 WARN L193 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:29,010 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:29,811 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:30,622 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:31,426 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:32,225 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:33,025 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 2277 [2020-10-14 11:31:33,827 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 2277