/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=DEEPEST --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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 02:48:37,708 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 02:48:37,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 02:48:37,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 02:48:37,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 02:48:37,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 02:48:37,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 02:48:37,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 02:48:37,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 02:48:37,770 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 02:48:37,772 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 02:48:37,773 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 02:48:37,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 02:48:37,775 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 02:48:37,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 02:48:37,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 02:48:37,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 02:48:37,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 02:48:37,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 02:48:37,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 02:48:37,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 02:48:37,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 02:48:37,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 02:48:37,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 02:48:37,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 02:48:37,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 02:48:37,795 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 02:48:37,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 02:48:37,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 02:48:37,798 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 02:48:37,798 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 02:48:37,799 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 02:48:37,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 02:48:37,801 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 02:48:37,802 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 02:48:37,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 02:48:37,803 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 02:48:37,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 02:48:37,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 02:48:37,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 02:48:37,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 02:48:37,807 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 [2020-10-28 02:48:37,833 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 02:48:37,833 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 02:48:37,835 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 02:48:37,835 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 02:48:37,836 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 02:48:37,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 02:48:37,836 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 02:48:37,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 02:48:37,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 02:48:37,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 02:48:37,837 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 02:48:37,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 02:48:37,838 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 02:48:37,838 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 02:48:37,838 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 02:48:37,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 02:48:37,839 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 02:48:37,839 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 02:48:37,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 02:48:37,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 02:48:37,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 02:48:37,840 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 02:48:37,840 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 02:48:37,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 02:48:37,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 02:48:37,841 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 02:48:37,841 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 02:48:37,841 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 02:48:38,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 02:48:38,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 02:48:38,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 02:48:38,242 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 02:48:38,243 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 02:48:38,244 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2020-10-28 02:48:38,321 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5969a7fd8/b23de5fa90c5483f87d53a88dd3ea0bc/FLAG0ad80c4ca [2020-10-28 02:48:39,311 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 02:48:39,313 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2020-10-28 02:48:39,371 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5969a7fd8/b23de5fa90c5483f87d53a88dd3ea0bc/FLAG0ad80c4ca [2020-10-28 02:48:39,801 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5969a7fd8/b23de5fa90c5483f87d53a88dd3ea0bc [2020-10-28 02:48:39,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 02:48:39,814 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 02:48:39,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 02:48:39,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 02:48:39,820 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 02:48:39,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:48:39" (1/1) ... [2020-10-28 02:48:39,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d3ec04d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:48:39, skipping insertion in model container [2020-10-28 02:48:39,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:48:39" (1/1) ... [2020-10-28 02:48:39,836 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 02:48:39,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 02:48:41,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 02:48:41,453 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 02:48:41,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 02:48:42,093 INFO L208 MainTranslator]: Completed translation [2020-10-28 02:48:42,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:48:42 WrapperNode [2020-10-28 02:48:42,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 02:48:42,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 02:48:42,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 02:48:42,095 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 02:48:42,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:48:42" (1/1) ... [2020-10-28 02:48:42,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:48:42" (1/1) ... [2020-10-28 02:48:42,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:48:42" (1/1) ... [2020-10-28 02:48:42,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:48:42" (1/1) ... [2020-10-28 02:48:42,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:48:42" (1/1) ... [2020-10-28 02:48:42,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:48:42" (1/1) ... [2020-10-28 02:48:42,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:48:42" (1/1) ... [2020-10-28 02:48:42,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 02:48:42,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 02:48:42,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 02:48:42,656 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 02:48:42,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:48:42" (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 [2020-10-28 02:48:42,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 02:48:42,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 02:48:42,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-10-28 02:48:42,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2020-10-28 02:48:42,743 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 02:48:42,744 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-10-28 02:48:42,744 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-10-28 02:48:42,745 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-10-28 02:48:42,746 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-28 02:48:42,746 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-28 02:48:42,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-28 02:48:42,746 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2020-10-28 02:48:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2020-10-28 02:48:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2020-10-28 02:48:42,748 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2020-10-28 02:48:42,748 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2020-10-28 02:48:42,748 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2020-10-28 02:48:42,750 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2020-10-28 02:48:42,751 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2020-10-28 02:48:42,751 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_readwrite_dw [2020-10-28 02:48:42,751 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_v8_memory_req [2020-10-28 02:48:42,751 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_memory_req [2020-10-28 02:48:42,751 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_get_mac_addr [2020-10-28 02:48:42,751 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_i2c_req [2020-10-28 02:48:42,752 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_read_ibi_reg [2020-10-28 02:48:42,752 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_write_ibi_reg [2020-10-28 02:48:42,752 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_i2c_request [2020-10-28 02:48:42,752 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_process_frame [2020-10-28 02:48:42,752 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_urb_complete [2020-10-28 02:48:42,752 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_stream_control [2020-10-28 02:48:42,752 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_exit [2020-10-28 02:48:42,753 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_init [2020-10-28 02:48:42,753 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_init [2020-10-28 02:48:42,753 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_exit [2020-10-28 02:48:42,753 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_probe [2020-10-28 02:48:42,753 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_disconnect [2020-10-28 02:48:42,753 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_driver_init [2020-10-28 02:48:42,754 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_driver_exit [2020-10-28 02:48:42,754 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 02:48:42,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-28 02:48:42,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-28 02:48:42,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-28 02:48:42,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-10-28 02:48:42,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-10-28 02:48:42,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-10-28 02:48:42,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-28 02:48:42,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_8 [2020-10-28 02:48:42,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_9 [2020-10-28 02:48:42,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 02:48:42,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 02:48:42,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-28 02:48:42,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-28 02:48:42,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-28 02:48:42,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-28 02:48:42,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-28 02:48:42,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-28 02:48:42,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-28 02:48:42,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-28 02:48:42,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-28 02:48:42,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-28 02:48:42,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-28 02:48:42,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-28 02:48:42,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-28 02:48:42,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-28 02:48:42,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-28 02:48:42,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-28 02:48:42,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-28 02:48:42,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-28 02:48:42,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-28 02:48:42,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-28 02:48:42,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-28 02:48:42,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-28 02:48:42,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 02:48:42,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 02:48:42,762 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2020-10-28 02:48:42,762 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2020-10-28 02:48:42,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 02:48:42,762 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-28 02:48:42,762 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-28 02:48:42,763 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_exit [2020-10-28 02:48:42,763 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_initialize [2020-10-28 02:48:42,763 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kfree [2020-10-28 02:48:42,763 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kmalloc [2020-10-28 02:48:42,764 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_pass_dmx_packets [2020-10-28 02:48:42,764 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_sram_ctrl [2020-10-28 02:48:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_sram_set_dest [2020-10-28 02:48:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_wan_set_speed [2020-10-28 02:48:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-28 02:48:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-28 02:48:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-28 02:48:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-28 02:48:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-28 02:48:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-28 02:48:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-28 02:48:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-28 02:48:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-28 02:48:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-28 02:48:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-10-28 02:48:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-28 02:48:42,767 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-28 02:48:42,767 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 02:48:42,767 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-28 02:48:42,767 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-28 02:48:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 02:48:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 02:48:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 02:48:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 02:48:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 02:48:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 02:48:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 02:48:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-28 02:48:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-28 02:48:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-28 02:48:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-10-28 02:48:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 02:48:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-10-28 02:48:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-28 02:48:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-10-28 02:48:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-28 02:48:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-28 02:48:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-10-28 02:48:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-28 02:48:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-28 02:48:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-28 02:48:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-28 02:48:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-10-28 02:48:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-28 02:48:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-28 02:48:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-28 02:48:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-28 02:48:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-28 02:48:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-28 02:48:42,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-28 02:48:42,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 02:48:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-28 02:48:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-28 02:48:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-10-28 02:48:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-28 02:48:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-28 02:48:42,780 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-28 02:48:42,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_8 [2020-10-28 02:48:42,782 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-28 02:48:42,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_9 [2020-10-28 02:48:42,782 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-28 02:48:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-28 02:48:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-28 02:48:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-28 02:48:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-28 02:48:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-10-28 02:48:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-28 02:48:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 02:48:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2020-10-28 02:48:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2020-10-28 02:48:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2020-10-28 02:48:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2020-10-28 02:48:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2020-10-28 02:48:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2020-10-28 02:48:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2020-10-28 02:48:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-10-28 02:48:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2020-10-28 02:48:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2020-10-28 02:48:42,792 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2020-10-28 02:48:42,792 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2020-10-28 02:48:42,792 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_pass_dmx_packets [2020-10-28 02:48:42,792 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kmalloc [2020-10-28 02:48:42,792 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kfree [2020-10-28 02:48:42,792 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_initialize [2020-10-28 02:48:42,792 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_exit [2020-10-28 02:48:42,792 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_sram_set_dest [2020-10-28 02:48:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_wan_set_speed [2020-10-28 02:48:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_sram_ctrl [2020-10-28 02:48:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_readwrite_dw [2020-10-28 02:48:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_v8_memory_req [2020-10-28 02:48:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_memory_req [2020-10-28 02:48:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_get_mac_addr [2020-10-28 02:48:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_i2c_req [2020-10-28 02:48:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_read_ibi_reg [2020-10-28 02:48:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 02:48:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 02:48:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_write_ibi_reg [2020-10-28 02:48:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_i2c_request [2020-10-28 02:48:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-28 02:48:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_process_frame [2020-10-28 02:48:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-28 02:48:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_urb_complete [2020-10-28 02:48:42,795 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_stream_control [2020-10-28 02:48:42,795 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_exit [2020-10-28 02:48:42,795 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_init [2020-10-28 02:48:42,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 02:48:42,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-28 02:48:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_init [2020-10-28 02:48:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_exit [2020-10-28 02:48:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_probe [2020-10-28 02:48:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_disconnect [2020-10-28 02:48:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_driver_init [2020-10-28 02:48:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_driver_exit [2020-10-28 02:48:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 02:48:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 02:48:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 02:48:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 02:48:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-28 02:48:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-28 02:48:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-28 02:48:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-28 02:48:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-28 02:48:42,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-28 02:48:42,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-28 02:48:42,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-28 02:48:42,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-28 02:48:42,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-28 02:48:42,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-28 02:48:42,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-28 02:48:42,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-28 02:48:42,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-28 02:48:42,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-28 02:48:42,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-28 02:48:42,799 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 02:48:42,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 02:48:42,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 02:48:42,799 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 02:48:42,800 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 02:48:42,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 02:48:42,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 02:48:42,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 02:48:42,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 02:48:42,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 02:48:42,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-28 02:48:42,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 02:48:42,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-28 02:50:39,633 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 02:50:39,634 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 02:50:39,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:50:39 BoogieIcfgContainer [2020-10-28 02:50:39,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 02:50:39,645 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 02:50:39,645 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 02:50:39,650 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 02:50:39,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 02:48:39" (1/3) ... [2020-10-28 02:50:39,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dc36b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:50:39, skipping insertion in model container [2020-10-28 02:50:39,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:48:42" (2/3) ... [2020-10-28 02:50:39,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dc36b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:50:39, skipping insertion in model container [2020-10-28 02:50:39,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:50:39" (3/3) ... [2020-10-28 02:50:39,654 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2020-10-28 02:50:39,669 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 02:50:39,676 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 02:50:39,689 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 02:50:39,735 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 02:50:39,735 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 02:50:39,735 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 02:50:39,735 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 02:50:39,735 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 02:50:39,735 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 02:50:39,735 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 02:50:39,735 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 02:50:39,779 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states. [2020-10-28 02:50:39,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-28 02:50:39,788 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 02:50:39,789 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, 1, 1, 1, 1, 1] [2020-10-28 02:50:39,789 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 02:50:39,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 02:50:39,795 INFO L82 PathProgramCache]: Analyzing trace with hash 2025527785, now seen corresponding path program 1 times [2020-10-28 02:50:39,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 02:50:39,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2119739021] [2020-10-28 02:50:39,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 02:50:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:50:40,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:50:40,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:50:41,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:50:41,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-28 02:50:41,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 02:50:41,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1555 [2020-10-28 02:50:41,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:50:41,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:50:41,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-28 02:50:41,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 02:50:41,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 02:50:42,839 WARN L193 SmtUtils]: Spent 849.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2020-10-28 02:50:42,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 02:50:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:50:42,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:50:43,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:50:43,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:50:43,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:50:43,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 239 [2020-10-28 02:50:43,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:50:43,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:50:43,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:50:43,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:50:43,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:50:43,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 02:50:43,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:50:43,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:50:43,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:50:43,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:50:43,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:50:43,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 02:50:43,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:50:43,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:50:43,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:50:43,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:50:43,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:50:43,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 02:50:43,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:50:43,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:50:43,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:50:43,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 02:50:43,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:50:43,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 02:50:43,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:50:43,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:50:43,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 02:50:43,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:50:43,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:50:43,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 02:50:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:50:43,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:50:43,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:50:43,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 02:50:43,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:50:43,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 02:50:43,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:50:43,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:50:43,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:50:43,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:50:43,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:50:43,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:50:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:50:43,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:50:43,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:50:43,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:50:43,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:50:43,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 02:50:43,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:50:43,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:50:43,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:50:43,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:50:43,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:50:43,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 02:50:43,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2119739021] [2020-10-28 02:50:43,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 02:50:43,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 02:50:43,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166220635] [2020-10-28 02:50:43,427 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 02:50:43,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 02:50:43,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 02:50:43,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 02:50:43,448 INFO L87 Difference]: Start difference. First operand 543 states. Second operand 6 states. [2020-10-28 02:50:44,713 WARN L193 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 330 [2020-10-28 02:50:56,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 02:50:56,819 INFO L93 Difference]: Finished difference Result 854 states and 1070 transitions. [2020-10-28 02:50:56,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 02:50:56,821 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2020-10-28 02:50:56,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 02:50:56,844 INFO L225 Difference]: With dead ends: 854 [2020-10-28 02:50:56,845 INFO L226 Difference]: Without dead ends: 809 [2020-10-28 02:50:56,850 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-28 02:50:56,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2020-10-28 02:50:57,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 663. [2020-10-28 02:50:57,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 663 states. [2020-10-28 02:50:57,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 798 transitions. [2020-10-28 02:50:57,147 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 798 transitions. Word has length 36 [2020-10-28 02:50:57,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 02:50:57,148 INFO L481 AbstractCegarLoop]: Abstraction has 663 states and 798 transitions. [2020-10-28 02:50:57,148 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 02:50:57,148 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 798 transitions. [2020-10-28 02:50:57,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-28 02:50:57,153 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 02:50:57,153 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 02:50:57,154 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 02:50:57,154 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 02:50:57,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 02:50:57,155 INFO L82 PathProgramCache]: Analyzing trace with hash 2118745094, now seen corresponding path program 1 times [2020-10-28 02:50:57,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 02:50:57,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1908501243] [2020-10-28 02:50:57,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 02:50:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:50:57,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:50:57,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:50:58,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:50:58,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 02:50:58,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 02:50:58,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1051 [2020-10-28 02:50:58,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:50:58,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:50:58,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-28 02:50:58,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 02:50:58,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:50:59,204 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2020-10-28 02:50:59,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 02:50:59,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:50:59,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:50:59,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:50:59,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:50:59,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:50:59,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-28 02:50:59,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:50:59,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:50:59,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:50:59,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:50:59,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:50:59,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 02:50:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:50:59,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:50:59,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:50:59,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:50:59,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:50:59,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 02:50:59,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:50:59,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:50:59,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:50:59,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:50:59,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:50:59,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 02:50:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:50:59,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:50:59,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:50:59,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-28 02:50:59,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:50:59,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 02:50:59,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:50:59,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:50:59,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:50:59,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:50:59,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:50:59,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:50:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:50:59,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:50:59,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:50:59,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 02:50:59,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:50:59,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 02:50:59,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:50:59,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:50:59,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:50:59,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:50:59,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:50:59,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:50:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:50:59,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:50:59,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:50:59,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:50:59,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:50:59,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 02:50:59,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:50:59,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:50:59,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:50:59,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:50:59,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:50:59,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 02:50:59,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1908501243] [2020-10-28 02:50:59,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 02:50:59,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 02:50:59,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964281413] [2020-10-28 02:50:59,584 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 02:50:59,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 02:50:59,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 02:50:59,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 02:50:59,585 INFO L87 Difference]: Start difference. First operand 663 states and 798 transitions. Second operand 6 states. [2020-10-28 02:51:00,775 WARN L193 SmtUtils]: Spent 875.00 ms on a formula simplification that was a NOOP. DAG size: 330 [2020-10-28 02:51:05,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 02:51:05,945 INFO L93 Difference]: Finished difference Result 831 states and 1034 transitions. [2020-10-28 02:51:05,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 02:51:05,946 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2020-10-28 02:51:05,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 02:51:05,958 INFO L225 Difference]: With dead ends: 831 [2020-10-28 02:51:05,958 INFO L226 Difference]: Without dead ends: 820 [2020-10-28 02:51:05,960 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-10-28 02:51:05,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2020-10-28 02:51:06,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 663. [2020-10-28 02:51:06,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 663 states. [2020-10-28 02:51:06,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 797 transitions. [2020-10-28 02:51:06,212 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 797 transitions. Word has length 41 [2020-10-28 02:51:06,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 02:51:06,212 INFO L481 AbstractCegarLoop]: Abstraction has 663 states and 797 transitions. [2020-10-28 02:51:06,212 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 02:51:06,212 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 797 transitions. [2020-10-28 02:51:06,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-28 02:51:06,214 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 02:51:06,214 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 02:51:06,214 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 02:51:06,215 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 02:51:06,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 02:51:06,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1309398468, now seen corresponding path program 1 times [2020-10-28 02:51:06,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 02:51:06,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [897053536] [2020-10-28 02:51:06,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 02:51:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:51:06,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:51:06,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:51:06,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 02:51:06,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:51:06,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 467 [2020-10-28 02:51:06,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:51:06,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:51:06,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 02:51:06,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-28 02:51:06,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:51:07,664 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2020-10-28 02:51:07,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 02:51:07,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:51:07,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:51:07,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:51:07,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:51:07,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:51:07,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-28 02:51:07,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:51:07,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:51:07,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:51:07,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:51:07,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:51:07,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 02:51:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:51:07,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:51:07,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:51:07,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:51:07,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:51:07,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 02:51:07,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:51:07,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:51:07,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:51:07,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 02:51:07,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:51:07,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 02:51:07,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:51:07,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:51:07,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:51:07,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-28 02:51:07,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:51:07,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 02:51:07,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:51:07,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:51:07,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:51:07,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 02:51:07,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:51:07,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:51:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:51:07,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:51:07,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:51:07,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 02:51:07,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:51:07,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 02:51:07,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:51:07,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:51:07,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:51:07,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:51:07,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:51:08,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:51:08,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:51:08,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:51:08,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:51:08,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:51:08,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:51:08,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 02:51:08,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:51:08,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:51:08,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:51:08,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:51:08,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:51:08,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 02:51:08,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [897053536] [2020-10-28 02:51:08,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 02:51:08,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 02:51:08,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178847697] [2020-10-28 02:51:08,071 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 02:51:08,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 02:51:08,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 02:51:08,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 02:51:08,072 INFO L87 Difference]: Start difference. First operand 663 states and 797 transitions. Second operand 6 states. [2020-10-28 02:51:09,304 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 330 [2020-10-28 02:51:14,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 02:51:14,993 INFO L93 Difference]: Finished difference Result 813 states and 1012 transitions. [2020-10-28 02:51:14,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 02:51:14,999 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2020-10-28 02:51:14,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 02:51:15,006 INFO L225 Difference]: With dead ends: 813 [2020-10-28 02:51:15,006 INFO L226 Difference]: Without dead ends: 808 [2020-10-28 02:51:15,008 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-10-28 02:51:15,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2020-10-28 02:51:15,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 662. [2020-10-28 02:51:15,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2020-10-28 02:51:15,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 795 transitions. [2020-10-28 02:51:15,244 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 795 transitions. Word has length 41 [2020-10-28 02:51:15,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 02:51:15,244 INFO L481 AbstractCegarLoop]: Abstraction has 662 states and 795 transitions. [2020-10-28 02:51:15,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 02:51:15,244 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 795 transitions. [2020-10-28 02:51:15,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-28 02:51:15,246 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 02:51:15,246 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 02:51:15,247 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 02:51:15,247 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 02:51:15,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 02:51:15,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1616875990, now seen corresponding path program 1 times [2020-10-28 02:51:15,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 02:51:15,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [147085632] [2020-10-28 02:51:15,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 02:51:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:51:15,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:51:15,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:51:15,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-28 02:51:15,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:51:15,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 478 [2020-10-28 02:51:15,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:51:15,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:51:15,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 02:51:15,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-28 02:51:15,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:51:16,673 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2020-10-28 02:51:16,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 02:51:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:51:16,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:51:16,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:51:16,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:51:16,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:51:16,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-28 02:51:16,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:51:16,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:51:16,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:51:16,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:51:16,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:51:16,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 02:51:16,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:51:16,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:51:16,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:51:16,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:51:16,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:51:16,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 02:51:16,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:51:16,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:51:16,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:51:16,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 02:51:16,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:51:16,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 02:51:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:51:16,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:51:16,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:51:16,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-28 02:51:16,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:51:16,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-28 02:51:16,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:51:16,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:51:16,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:51:16,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 02:51:16,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:51:16,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:51:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:51:16,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:51:17,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:51:17,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 02:51:17,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:51:17,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 02:51:17,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:51:17,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:51:17,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:51:17,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:51:17,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:51:17,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:51:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:51:17,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:51:17,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:51:17,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:51:17,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:51:17,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 02:51:17,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:51:17,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:51:17,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:51:17,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:51:17,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:51:17,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 02:51:17,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [147085632] [2020-10-28 02:51:17,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 02:51:17,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 02:51:17,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50394443] [2020-10-28 02:51:17,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 02:51:17,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 02:51:17,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 02:51:17,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 02:51:17,077 INFO L87 Difference]: Start difference. First operand 662 states and 795 transitions. Second operand 6 states. [2020-10-28 02:51:18,405 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 330 [2020-10-28 02:51:23,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 02:51:23,956 INFO L93 Difference]: Finished difference Result 786 states and 964 transitions. [2020-10-28 02:51:23,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 02:51:23,956 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2020-10-28 02:51:23,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 02:51:23,961 INFO L225 Difference]: With dead ends: 786 [2020-10-28 02:51:23,962 INFO L226 Difference]: Without dead ends: 781 [2020-10-28 02:51:23,963 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-10-28 02:51:23,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2020-10-28 02:51:24,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 661. [2020-10-28 02:51:24,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 661 states. [2020-10-28 02:51:24,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 793 transitions. [2020-10-28 02:51:24,173 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 793 transitions. Word has length 42 [2020-10-28 02:51:24,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 02:51:24,173 INFO L481 AbstractCegarLoop]: Abstraction has 661 states and 793 transitions. [2020-10-28 02:51:24,173 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 02:51:24,173 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 793 transitions. [2020-10-28 02:51:24,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-28 02:51:24,175 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 02:51:24,175 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 02:51:24,175 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 02:51:24,175 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 02:51:24,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 02:51:24,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1731545529, now seen corresponding path program 1 times [2020-10-28 02:51:24,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 02:51:24,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1468748519] [2020-10-28 02:51:24,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 02:51:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:51:24,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:51:24,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:51:24,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 02:51:24,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:51:24,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 357 [2020-10-28 02:51:24,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:51:24,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:51:24,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 02:51:24,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-28 02:51:24,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:51:25,543 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2020-10-28 02:51:25,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 02:51:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:51:25,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:51:25,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:51:25,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:51:25,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:51:25,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-28 02:51:25,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:51:25,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:51:25,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:51:25,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:51:25,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:51:25,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 02:51:25,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:51:25,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:51:25,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:51:25,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:51:25,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:51:25,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 02:51:25,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:51:25,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:51:25,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:51:25,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 02:51:25,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:51:25,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 02:51:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:51:25,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:51:25,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:51:25,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-28 02:51:25,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:51:25,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-28 02:51:25,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:51:25,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:51:25,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:51:25,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 02:51:25,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:51:25,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:51:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:51:25,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:51:25,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:51:25,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 02:51:25,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:51:25,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 02:51:25,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:51:25,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:51:25,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:51:25,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:51:25,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 02:51:25,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:51:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:51:25,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:51:25,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:51:25,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:51:25,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:51:25,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 02:51:25,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:51:25,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:51:25,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:51:25,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:51:25,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:51:26,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 02:51:26,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1468748519] [2020-10-28 02:51:26,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 02:51:26,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 02:51:26,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251168031] [2020-10-28 02:51:26,012 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 02:51:26,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 02:51:26,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 02:51:26,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 02:51:26,013 INFO L87 Difference]: Start difference. First operand 661 states and 793 transitions. Second operand 6 states. [2020-10-28 02:51:27,396 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 330 [2020-10-28 02:51:31,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 02:51:31,766 INFO L93 Difference]: Finished difference Result 807 states and 1005 transitions. [2020-10-28 02:51:31,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 02:51:31,768 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2020-10-28 02:51:31,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 02:51:31,769 INFO L225 Difference]: With dead ends: 807 [2020-10-28 02:51:31,769 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 02:51:31,775 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-10-28 02:51:31,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 02:51:31,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 02:51:31,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 02:51:31,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 02:51:31,776 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2020-10-28 02:51:31,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 02:51:31,776 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 02:51:31,776 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 02:51:31,776 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 02:51:31,776 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 02:51:31,777 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 02:51:31,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 02:51:33,196 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 28 [2020-10-28 02:51:33,303 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 25 [2020-10-28 02:51:33,479 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 29 [2020-10-28 02:51:33,657 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 29 [2020-10-28 02:51:33,809 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 66 [2020-10-28 02:51:34,002 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 66 [2020-10-28 02:51:34,518 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 29 [2020-10-28 02:51:34,661 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 29 [2020-10-28 02:51:34,791 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 66 [2020-10-28 02:51:34,916 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 66 [2020-10-28 02:51:35,750 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 29 [2020-10-28 02:51:35,904 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 29 [2020-10-28 02:51:36,026 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 66 [2020-10-28 02:51:36,150 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 66 [2020-10-28 02:51:36,648 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 29 [2020-10-28 02:51:36,765 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 29 [2020-10-28 02:51:37,316 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 29 [2020-10-28 02:51:37,423 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 29 [2020-10-28 02:51:37,624 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 66 [2020-10-28 02:51:37,749 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 29 [2020-10-28 02:51:37,863 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 29 [2020-10-28 02:51:37,964 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 66 [2020-10-28 02:51:38,091 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 66 [2020-10-28 02:51:47,636 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:51:48,373 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:51:49,019 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:51:49,773 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:51:51,215 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 238 DAG size of output: 22 [2020-10-28 02:51:51,902 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 25 [2020-10-28 02:51:52,664 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:51:53,453 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:51:54,214 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:51:54,939 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:51:55,652 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:51:56,410 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:51:57,149 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:51:57,882 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:51:58,531 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:51:59,276 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:52:00,064 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:52:00,832 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:52:01,581 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:52:03,018 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 238 DAG size of output: 22 [2020-10-28 02:52:03,828 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:52:04,566 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 25 [2020-10-28 02:52:06,006 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 238 DAG size of output: 22 [2020-10-28 02:52:06,740 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:52:08,154 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 238 DAG size of output: 22 [2020-10-28 02:52:08,899 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:52:09,615 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:52:11,004 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 238 DAG size of output: 22 [2020-10-28 02:52:11,700 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 41 [2020-10-28 02:52:12,419 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:52:13,137 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:52:13,855 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:52:14,542 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 18 [2020-10-28 02:52:15,191 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 19 [2020-10-28 02:52:15,915 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:52:16,634 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:52:17,385 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:52:18,144 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:52:18,830 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 25 [2020-10-28 02:52:20,219 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 238 DAG size of output: 22 [2020-10-28 02:52:20,938 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:52:21,656 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:52:22,393 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:52:23,780 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 238 DAG size of output: 22 [2020-10-28 02:52:24,500 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:52:25,221 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:52:25,962 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:52:27,389 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 238 DAG size of output: 22 [2020-10-28 02:52:28,109 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:52:28,826 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:52:29,597 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:52:30,320 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:52:31,037 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:52:31,757 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:52:32,481 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:52:33,197 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:52:33,890 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 41 [2020-10-28 02:52:34,714 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2020-10-28 02:52:35,490 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:52:36,176 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 1 [2020-10-28 02:52:36,933 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:52:37,669 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:52:38,395 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 1 [2020-10-28 02:52:39,785 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 238 DAG size of output: 22 [2020-10-28 02:52:41,175 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 238 DAG size of output: 22