/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=1.0 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -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 0.1.25-c90d42b [2020-09-25 09:39:10,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 09:39:10,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 09:39:10,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 09:39:10,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 09:39:10,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 09:39:10,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 09:39:10,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 09:39:10,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 09:39:10,879 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 09:39:10,880 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 09:39:10,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 09:39:10,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 09:39:10,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 09:39:10,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 09:39:10,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 09:39:10,895 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 09:39:10,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 09:39:10,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 09:39:10,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 09:39:10,908 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 09:39:10,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 09:39:10,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 09:39:10,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 09:39:10,919 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 09:39:10,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 09:39:10,920 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 09:39:10,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 09:39:10,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 09:39:10,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 09:39:10,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 09:39:10,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 09:39:10,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 09:39:10,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 09:39:10,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 09:39:10,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 09:39:10,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 09:39:10,935 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 09:39:10,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 09:39:10,936 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 09:39:10,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 09:39:10,952 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 [2020-09-25 09:39:11,004 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 09:39:11,005 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 09:39:11,007 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 09:39:11,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 09:39:11,008 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 09:39:11,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 09:39:11,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 09:39:11,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 09:39:11,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 09:39:11,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 09:39:11,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 09:39:11,011 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 09:39:11,011 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 09:39:11,011 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 09:39:11,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 09:39:11,013 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 09:39:11,013 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 09:39:11,013 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 09:39:11,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:39:11,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 09:39:11,014 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 09:39:11,014 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 09:39:11,014 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 09:39:11,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 09:39:11,015 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 09:39:11,015 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 09:39:11,015 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 09:39:11,015 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; [2020-09-25 09:39:11,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 09:39:11,540 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 09:39:11,544 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 09:39:11,546 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 09:39:11,548 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 09:39:11,549 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2020-09-25 09:39:11,647 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c3b0a9f70/33fc4fe07aab4110b0b9f64aa5d20cac/FLAGd381bb10e [2020-09-25 09:39:12,504 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 09:39:12,508 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2020-09-25 09:39:12,555 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c3b0a9f70/33fc4fe07aab4110b0b9f64aa5d20cac/FLAGd381bb10e [2020-09-25 09:39:13,013 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c3b0a9f70/33fc4fe07aab4110b0b9f64aa5d20cac [2020-09-25 09:39:13,028 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 09:39:13,034 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 09:39:13,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 09:39:13,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 09:39:13,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 09:39:13,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:39:13" (1/1) ... [2020-09-25 09:39:13,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@187c5d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:13, skipping insertion in model container [2020-09-25 09:39:13,046 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:39:13" (1/1) ... [2020-09-25 09:39:13,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 09:39:13,201 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 09:39:14,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:39:14,953 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 09:39:15,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:39:15,775 INFO L208 MainTranslator]: Completed translation [2020-09-25 09:39:15,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:15 WrapperNode [2020-09-25 09:39:15,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 09:39:15,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 09:39:15,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 09:39:15,779 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 09:39:15,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:15" (1/1) ... [2020-09-25 09:39:15,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:15" (1/1) ... [2020-09-25 09:39:15,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:15" (1/1) ... [2020-09-25 09:39:15,910 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:15" (1/1) ... [2020-09-25 09:39:16,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:15" (1/1) ... [2020-09-25 09:39:16,324 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:15" (1/1) ... [2020-09-25 09:39:16,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:15" (1/1) ... [2020-09-25 09:39:16,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 09:39:16,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 09:39:16,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 09:39:16,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 09:39:16,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:15" (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 [2020-09-25 09:39:16,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 09:39:16,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 09:39:16,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-09-25 09:39:16,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2020-09-25 09:39:16,486 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-09-25 09:39:16,486 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-09-25 09:39:16,486 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-09-25 09:39:16,487 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-09-25 09:39:16,488 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-09-25 09:39:16,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-09-25 09:39:16,489 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2020-09-25 09:39:16,489 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2020-09-25 09:39:16,490 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2020-09-25 09:39:16,490 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2020-09-25 09:39:16,490 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2020-09-25 09:39:16,490 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2020-09-25 09:39:16,490 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2020-09-25 09:39:16,492 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2020-09-25 09:39:16,493 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_readwrite_dw [2020-09-25 09:39:16,493 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_v8_memory_req [2020-09-25 09:39:16,493 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_memory_req [2020-09-25 09:39:16,493 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_get_mac_addr [2020-09-25 09:39:16,493 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_i2c_req [2020-09-25 09:39:16,494 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_read_ibi_reg [2020-09-25 09:39:16,494 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_write_ibi_reg [2020-09-25 09:39:16,494 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_i2c_request [2020-09-25 09:39:16,495 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_process_frame [2020-09-25 09:39:16,496 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_urb_complete [2020-09-25 09:39:16,496 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_stream_control [2020-09-25 09:39:16,496 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_exit [2020-09-25 09:39:16,496 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_init [2020-09-25 09:39:16,496 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_init [2020-09-25 09:39:16,497 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_exit [2020-09-25 09:39:16,497 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_probe [2020-09-25 09:39:16,497 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_disconnect [2020-09-25 09:39:16,497 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_driver_init [2020-09-25 09:39:16,497 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_driver_exit [2020-09-25 09:39:16,497 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 09:39:16,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-09-25 09:39:16,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-09-25 09:39:16,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-09-25 09:39:16,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-09-25 09:39:16,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-09-25 09:39:16,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-09-25 09:39:16,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-09-25 09:39:16,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_8 [2020-09-25 09:39:16,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_9 [2020-09-25 09:39:16,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 09:39:16,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 09:39:16,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 09:39:16,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-25 09:39:16,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-25 09:39:16,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 09:39:16,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-25 09:39:16,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 09:39:16,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-25 09:39:16,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-25 09:39:16,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-09-25 09:39:16,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-09-25 09:39:16,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-09-25 09:39:16,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-09-25 09:39:16,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-25 09:39:16,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-09-25 09:39:16,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-09-25 09:39:16,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-25 09:39:16,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-25 09:39:16,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-09-25 09:39:16,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-09-25 09:39:16,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-25 09:39:16,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-25 09:39:16,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-09-25 09:39:16,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 09:39:16,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 09:39:16,508 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2020-09-25 09:39:16,508 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2020-09-25 09:39:16,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 09:39:16,508 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-25 09:39:16,509 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 09:39:16,509 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_exit [2020-09-25 09:39:16,509 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_initialize [2020-09-25 09:39:16,509 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kfree [2020-09-25 09:39:16,509 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kmalloc [2020-09-25 09:39:16,510 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_pass_dmx_packets [2020-09-25 09:39:16,510 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_sram_ctrl [2020-09-25 09:39:16,510 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_sram_set_dest [2020-09-25 09:39:16,511 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_wan_set_speed [2020-09-25 09:39:16,511 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-09-25 09:39:16,511 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-09-25 09:39:16,511 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-09-25 09:39:16,511 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-25 09:39:16,511 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-09-25 09:39:16,512 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-09-25 09:39:16,512 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-09-25 09:39:16,512 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-09-25 09:39:16,512 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-09-25 09:39:16,512 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-09-25 09:39:16,512 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-09-25 09:39:16,513 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-09-25 09:39:16,513 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-09-25 09:39:16,513 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 09:39:16,513 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-25 09:39:16,514 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-09-25 09:39:16,514 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 09:39:16,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 09:39:16,514 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-25 09:39:16,514 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-25 09:39:16,514 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-09-25 09:39:16,515 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-09-25 09:39:16,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 09:39:16,515 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-09-25 09:39:16,515 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-09-25 09:39:16,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-09-25 09:39:16,515 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-09-25 09:39:16,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-09-25 09:39:16,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-09-25 09:39:16,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-09-25 09:39:16,516 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-09-25 09:39:16,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-09-25 09:39:16,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-09-25 09:39:16,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-09-25 09:39:16,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 09:39:16,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-25 09:39:16,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-09-25 09:39:16,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-09-25 09:39:16,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-09-25 09:39:16,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-09-25 09:39:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-09-25 09:39:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 09:39:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-25 09:39:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 09:39:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-09-25 09:39:16,519 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-09-25 09:39:16,519 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-09-25 09:39:16,519 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-09-25 09:39:16,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_8 [2020-09-25 09:39:16,519 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-09-25 09:39:16,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_9 [2020-09-25 09:39:16,519 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-09-25 09:39:16,520 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-09-25 09:39:16,520 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-09-25 09:39:16,520 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-09-25 09:39:16,520 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-09-25 09:39:16,520 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-09-25 09:39:16,520 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-09-25 09:39:16,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 09:39:16,521 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2020-09-25 09:39:16,521 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2020-09-25 09:39:16,521 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2020-09-25 09:39:16,521 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2020-09-25 09:39:16,521 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2020-09-25 09:39:16,522 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2020-09-25 09:39:16,522 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2020-09-25 09:39:16,522 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-09-25 09:39:16,522 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2020-09-25 09:39:16,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 09:39:16,522 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2020-09-25 09:39:16,522 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2020-09-25 09:39:16,523 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2020-09-25 09:39:16,523 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_pass_dmx_packets [2020-09-25 09:39:16,523 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kmalloc [2020-09-25 09:39:16,523 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kfree [2020-09-25 09:39:16,523 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_initialize [2020-09-25 09:39:16,523 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_exit [2020-09-25 09:39:16,523 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_sram_set_dest [2020-09-25 09:39:16,524 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_wan_set_speed [2020-09-25 09:39:16,524 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_sram_ctrl [2020-09-25 09:39:16,524 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_readwrite_dw [2020-09-25 09:39:16,524 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_v8_memory_req [2020-09-25 09:39:16,524 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_memory_req [2020-09-25 09:39:16,524 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_get_mac_addr [2020-09-25 09:39:16,524 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_i2c_req [2020-09-25 09:39:16,525 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_read_ibi_reg [2020-09-25 09:39:16,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 09:39:16,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 09:39:16,525 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_write_ibi_reg [2020-09-25 09:39:16,525 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_i2c_request [2020-09-25 09:39:16,525 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-09-25 09:39:16,525 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_process_frame [2020-09-25 09:39:16,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-09-25 09:39:16,526 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_urb_complete [2020-09-25 09:39:16,526 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_stream_control [2020-09-25 09:39:16,526 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_exit [2020-09-25 09:39:16,526 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_init [2020-09-25 09:39:16,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 09:39:16,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-25 09:39:16,527 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_init [2020-09-25 09:39:16,527 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_exit [2020-09-25 09:39:16,527 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_probe [2020-09-25 09:39:16,527 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_disconnect [2020-09-25 09:39:16,527 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_driver_init [2020-09-25 09:39:16,527 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_driver_exit [2020-09-25 09:39:16,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 09:39:16,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 09:39:16,528 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 09:39:16,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 09:39:16,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 09:39:16,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-25 09:39:16,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-25 09:39:16,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-25 09:39:16,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 09:39:16,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-25 09:39:16,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-09-25 09:39:16,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-09-25 09:39:16,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-09-25 09:39:16,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-25 09:39:16,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-09-25 09:39:16,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-25 09:39:16,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-25 09:39:16,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-25 09:39:16,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-25 09:39:16,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-09-25 09:39:16,530 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 09:39:16,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 09:39:16,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 09:39:16,531 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 09:39:16,531 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 09:39:16,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 09:39:16,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 09:39:16,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 09:39:16,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 09:39:16,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-25 09:39:16,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-25 09:39:16,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-25 09:39:16,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-25 09:39:21,067 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 09:39:21,068 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 09:39:21,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:39:21 BoogieIcfgContainer [2020-09-25 09:39:21,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 09:39:21,084 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 09:39:21,084 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 09:39:21,088 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 09:39:21,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:39:13" (1/3) ... [2020-09-25 09:39:21,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@257c8e52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:39:21, skipping insertion in model container [2020-09-25 09:39:21,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:15" (2/3) ... [2020-09-25 09:39:21,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@257c8e52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:39:21, skipping insertion in model container [2020-09-25 09:39:21,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:39:21" (3/3) ... [2020-09-25 09:39:21,093 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2020-09-25 09:39:21,105 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 09:39:21,120 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 09:39:21,143 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 09:39:21,179 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 09:39:21,180 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 09:39:21,180 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 09:39:21,180 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 09:39:21,180 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 09:39:21,180 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 09:39:21,180 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 09:39:21,180 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 09:39:21,288 INFO L276 IsEmpty]: Start isEmpty. Operand 2184 states. [2020-09-25 09:39:21,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-25 09:39:21,309 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:39:21,310 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:39:21,311 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:39:21,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:39:21,321 INFO L82 PathProgramCache]: Analyzing trace with hash 2037642771, now seen corresponding path program 1 times [2020-09-25 09:39:21,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:39:21,331 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1920899304] [2020-09-25 09:39:21,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:39:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:22,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:23,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:24,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:24,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 09:39:24,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:39:24,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2059 [2020-09-25 09:39:24,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:24,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:24,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:39:24,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 162 [2020-09-25 09:39:24,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-25 09:39:24,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 09:39:25,335 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-09-25 09:39:25,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:39:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:25,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:25,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:25,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-25 09:39:25,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:25,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 435 [2020-09-25 09:39:25,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:25,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:25,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:25,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:25,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:25,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:26,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 09:39:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:26,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:26,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:26,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:39:26,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:26,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 232 [2020-09-25 09:39:26,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:26,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:26,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:39:26,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:26,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 09:39:26,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:26,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-25 09:39:26,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:26,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:26,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:26,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 09:39:26,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:26,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 219 [2020-09-25 09:39:26,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:26,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:26,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:39:26,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:26,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 09:39:26,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:26,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:39:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:26,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:26,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:26,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 09:39:26,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:26,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-09-25 09:39:26,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:26,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:26,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:26,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:26,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:26,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:26,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:39:26,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:26,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:26,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:26,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:39:26,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:26,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-09-25 09:39:26,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:26,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:26,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:26,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:26,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:26,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:27,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 09:39:27,130 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1920899304] [2020-09-25 09:39:27,133 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:39:27,133 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 09:39:27,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509312120] [2020-09-25 09:39:27,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 09:39:27,142 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:39:27,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 09:39:27,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 09:39:27,174 INFO L87 Difference]: Start difference. First operand 2184 states. Second operand 6 states. [2020-09-25 09:39:28,948 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-09-25 09:39:32,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:39:32,740 INFO L93 Difference]: Finished difference Result 1052 states and 1161 transitions. [2020-09-25 09:39:32,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 09:39:32,742 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 192 [2020-09-25 09:39:32,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:39:32,770 INFO L225 Difference]: With dead ends: 1052 [2020-09-25 09:39:32,770 INFO L226 Difference]: Without dead ends: 1028 [2020-09-25 09:39:32,776 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 09:39:32,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2020-09-25 09:39:32,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 880. [2020-09-25 09:39:32,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 880 states. [2020-09-25 09:39:33,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 948 transitions. [2020-09-25 09:39:33,010 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 948 transitions. Word has length 192 [2020-09-25 09:39:33,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:39:33,015 INFO L479 AbstractCegarLoop]: Abstraction has 880 states and 948 transitions. [2020-09-25 09:39:33,015 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 09:39:33,016 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 948 transitions. [2020-09-25 09:39:33,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-09-25 09:39:33,032 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:39:33,032 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:39:33,033 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 09:39:33,033 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:39:33,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:39:33,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1258462011, now seen corresponding path program 1 times [2020-09-25 09:39:33,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:39:33,036 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1939529888] [2020-09-25 09:39:33,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:39:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:33,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:34,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:34,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:34,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-09-25 09:39:34,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:39:34,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1702 [2020-09-25 09:39:34,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:34,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:34,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:39:34,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 163 [2020-09-25 09:39:34,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-25 09:39:34,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:35,943 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-09-25 09:39:35,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:39:35,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:36,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:36,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:36,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-25 09:39:36,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:36,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 447 [2020-09-25 09:39:36,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:36,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:36,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:36,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:36,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:36,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:36,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 09:39:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:36,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:36,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:36,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:39:36,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:36,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-09-25 09:39:36,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:36,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:36,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:39:36,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:36,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 09:39:36,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:36,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-25 09:39:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:36,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:37,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:37,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 09:39:37,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:37,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-09-25 09:39:37,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:37,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:37,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:39:37,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:37,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 09:39:37,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:37,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:39:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:37,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:37,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:37,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 09:39:37,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:37,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-09-25 09:39:37,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:37,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:37,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:37,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:37,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:37,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:37,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:39:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:37,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:37,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:37,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:39:37,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:37,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-25 09:39:37,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:37,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:37,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:37,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:37,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:37,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:37,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 09:39:37,383 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1939529888] [2020-09-25 09:39:37,383 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:39:37,383 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 09:39:37,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965109358] [2020-09-25 09:39:37,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 09:39:37,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:39:37,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 09:39:37,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 09:39:37,387 INFO L87 Difference]: Start difference. First operand 880 states and 948 transitions. Second operand 6 states. [2020-09-25 09:39:38,979 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-09-25 09:39:42,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:39:42,737 INFO L93 Difference]: Finished difference Result 1030 states and 1130 transitions. [2020-09-25 09:39:42,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 09:39:42,738 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 193 [2020-09-25 09:39:42,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:39:42,746 INFO L225 Difference]: With dead ends: 1030 [2020-09-25 09:39:42,746 INFO L226 Difference]: Without dead ends: 1027 [2020-09-25 09:39:42,748 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 09:39:42,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2020-09-25 09:39:42,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 879. [2020-09-25 09:39:42,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 879 states. [2020-09-25 09:39:42,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 946 transitions. [2020-09-25 09:39:42,857 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 946 transitions. Word has length 193 [2020-09-25 09:39:42,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:39:42,857 INFO L479 AbstractCegarLoop]: Abstraction has 879 states and 946 transitions. [2020-09-25 09:39:42,858 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 09:39:42,858 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 946 transitions. [2020-09-25 09:39:42,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-09-25 09:39:42,860 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:39:42,861 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:39:42,861 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 09:39:42,861 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:39:42,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:39:42,862 INFO L82 PathProgramCache]: Analyzing trace with hash -358490282, now seen corresponding path program 1 times [2020-09-25 09:39:42,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:39:42,862 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [523849358] [2020-09-25 09:39:42,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:39:42,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:43,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:43,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:44,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:44,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-09-25 09:39:44,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:39:44,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1530 [2020-09-25 09:39:44,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:44,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:44,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:39:44,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-09-25 09:39:44,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-25 09:39:44,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:45,744 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-09-25 09:39:45,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:39:45,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:45,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:46,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:46,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-25 09:39:46,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:46,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 523 [2020-09-25 09:39:46,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:46,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:46,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:46,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:46,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:46,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:46,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 09:39:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:46,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:46,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:46,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:39:46,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:46,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-09-25 09:39:46,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:46,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:46,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:39:46,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:46,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:39:46,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 09:39:46,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-25 09:39:46,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:46,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:46,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:46,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 09:39:46,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:46,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-09-25 09:39:46,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:46,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:46,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:39:46,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:46,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 09:39:46,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:46,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:39:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:47,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:47,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:47,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 09:39:47,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:47,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-25 09:39:47,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:47,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:47,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:47,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:47,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:47,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:47,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:39:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:47,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:47,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:47,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:39:47,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:47,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-09-25 09:39:47,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:47,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:47,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:47,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:47,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:47,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:47,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 09:39:47,297 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [523849358] [2020-09-25 09:39:47,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:39:47,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 09:39:47,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679816168] [2020-09-25 09:39:47,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 09:39:47,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:39:47,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 09:39:47,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 09:39:47,300 INFO L87 Difference]: Start difference. First operand 879 states and 946 transitions. Second operand 6 states. [2020-09-25 09:39:48,794 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-09-25 09:39:52,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:39:52,320 INFO L93 Difference]: Finished difference Result 1027 states and 1127 transitions. [2020-09-25 09:39:52,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 09:39:52,321 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 194 [2020-09-25 09:39:52,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:39:52,322 INFO L225 Difference]: With dead ends: 1027 [2020-09-25 09:39:52,322 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 09:39:52,328 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 09:39:52,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 09:39:52,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 09:39:52,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 09:39:52,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 09:39:52,329 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 194 [2020-09-25 09:39:52,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:39:52,330 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 09:39:52,330 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 09:39:52,330 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 09:39:52,330 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 09:39:52,330 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 09:39:52,333 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 09:39:52,840 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 09:39:53,285 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 09:39:53,739 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 09:39:54,185 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 09:39:54,626 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 09:39:55,067 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 09:39:55,500 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 09:39:55,932 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 09:39:56,363 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 09:39:56,822 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 09:39:57,253 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 09:39:57,684 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 09:39:58,107 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 09:39:58,516 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 09:39:58,920 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 09:39:59,322 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 09:39:59,752 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 09:40:00,184 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 09:40:00,617 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 09:40:01,044 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 09:40:01,472 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 09:40:01,917 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 320