/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --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 15:15:48,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 15:15:48,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 15:15:48,709 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 15:15:48,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 15:15:48,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 15:15:48,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 15:15:48,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 15:15:48,721 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 15:15:48,722 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 15:15:48,723 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 15:15:48,724 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 15:15:48,725 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 15:15:48,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 15:15:48,727 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 15:15:48,728 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 15:15:48,729 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 15:15:48,730 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 15:15:48,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 15:15:48,734 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 15:15:48,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 15:15:48,737 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 15:15:48,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 15:15:48,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 15:15:48,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 15:15:48,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 15:15:48,743 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 15:15:48,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 15:15:48,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 15:15:48,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 15:15:48,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 15:15:48,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 15:15:48,748 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 15:15:48,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 15:15:48,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 15:15:48,750 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 15:15:48,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 15:15:48,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 15:15:48,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 15:15:48,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 15:15:48,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 15:15:48,754 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 15:15:48,781 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 15:15:48,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 15:15:48,783 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 15:15:48,783 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 15:15:48,783 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 15:15:48,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 15:15:48,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 15:15:48,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 15:15:48,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 15:15:48,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 15:15:48,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 15:15:48,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 15:15:48,785 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 15:15:48,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 15:15:48,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 15:15:48,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 15:15:48,786 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 15:15:48,786 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 15:15:48,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 15:15:48,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 15:15:48,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 15:15:48,787 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 15:15:48,787 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 15:15:48,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 15:15:48,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 15:15:48,787 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 15:15:48,788 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 15:15:48,788 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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; [2020-09-25 15:15:49,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 15:15:49,261 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 15:15:49,267 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 15:15:49,269 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 15:15:49,270 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 15:15:49,271 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2020-09-25 15:15:49,348 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e3d462e4d/5adf90754ff4452d857e415191483ad0/FLAG23b30670f [2020-09-25 15:15:50,149 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 15:15:50,150 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2020-09-25 15:15:50,208 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e3d462e4d/5adf90754ff4452d857e415191483ad0/FLAG23b30670f [2020-09-25 15:15:50,674 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e3d462e4d/5adf90754ff4452d857e415191483ad0 [2020-09-25 15:15:50,688 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 15:15:50,694 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 15:15:50,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 15:15:50,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 15:15:50,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 15:15:50,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:15:50" (1/1) ... [2020-09-25 15:15:50,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@197253a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:15:50, skipping insertion in model container [2020-09-25 15:15:50,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:15:50" (1/1) ... [2020-09-25 15:15:50,715 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 15:15:50,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 15:15:52,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 15:15:52,778 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 15:15:53,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 15:15:53,566 INFO L208 MainTranslator]: Completed translation [2020-09-25 15:15:53,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:15:53 WrapperNode [2020-09-25 15:15:53,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 15:15:53,569 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 15:15:53,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 15:15:53,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 15:15:53,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:15:53" (1/1) ... [2020-09-25 15:15:53,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:15:53" (1/1) ... [2020-09-25 15:15:53,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:15:53" (1/1) ... [2020-09-25 15:15:53,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:15:53" (1/1) ... [2020-09-25 15:15:54,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:15:53" (1/1) ... [2020-09-25 15:15:54,057 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:15:53" (1/1) ... [2020-09-25 15:15:54,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:15:53" (1/1) ... [2020-09-25 15:15:54,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 15:15:54,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 15:15:54,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 15:15:54,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 15:15:54,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:15:53" (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 15:15:54,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 15:15:54,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 15:15:54,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-09-25 15:15:54,241 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 15:15:54,241 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-09-25 15:15:54,243 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-09-25 15:15:54,243 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-09-25 15:15:54,243 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-09-25 15:15:54,244 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-09-25 15:15:54,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-09-25 15:15:54,245 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2020-09-25 15:15:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2020-09-25 15:15:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2020-09-25 15:15:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2020-09-25 15:15:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2020-09-25 15:15:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2020-09-25 15:15:54,246 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2020-09-25 15:15:54,247 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2020-09-25 15:15:54,248 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_readwrite_dw [2020-09-25 15:15:54,248 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_v8_memory_req [2020-09-25 15:15:54,248 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_memory_req [2020-09-25 15:15:54,248 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_get_mac_addr [2020-09-25 15:15:54,249 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_i2c_req [2020-09-25 15:15:54,249 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_read_ibi_reg [2020-09-25 15:15:54,249 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_write_ibi_reg [2020-09-25 15:15:54,250 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_i2c_request [2020-09-25 15:15:54,250 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_process_frame [2020-09-25 15:15:54,251 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_urb_complete [2020-09-25 15:15:54,251 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_stream_control [2020-09-25 15:15:54,252 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_exit [2020-09-25 15:15:54,252 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_init [2020-09-25 15:15:54,253 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_init [2020-09-25 15:15:54,253 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_exit [2020-09-25 15:15:54,253 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_probe [2020-09-25 15:15:54,253 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_disconnect [2020-09-25 15:15:54,253 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_driver_init [2020-09-25 15:15:54,253 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_driver_exit [2020-09-25 15:15:54,253 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 15:15:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-09-25 15:15:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-09-25 15:15:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-09-25 15:15:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-09-25 15:15:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-09-25 15:15:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-09-25 15:15:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-09-25 15:15:54,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_8 [2020-09-25 15:15:54,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_9 [2020-09-25 15:15:54,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 15:15:54,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 15:15:54,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 15:15:54,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-25 15:15:54,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-25 15:15:54,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 15:15:54,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-25 15:15:54,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 15:15:54,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-25 15:15:54,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-25 15:15:54,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-09-25 15:15:54,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-09-25 15:15:54,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-09-25 15:15:54,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-09-25 15:15:54,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-25 15:15:54,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-09-25 15:15:54,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-09-25 15:15:54,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-25 15:15:54,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-25 15:15:54,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-09-25 15:15:54,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-09-25 15:15:54,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-25 15:15:54,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-25 15:15:54,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-09-25 15:15:54,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 15:15:54,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 15:15:54,259 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2020-09-25 15:15:54,259 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2020-09-25 15:15:54,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 15:15:54,259 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-25 15:15:54,260 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 15:15:54,260 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_exit [2020-09-25 15:15:54,260 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_initialize [2020-09-25 15:15:54,260 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kfree [2020-09-25 15:15:54,260 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kmalloc [2020-09-25 15:15:54,260 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_pass_dmx_packets [2020-09-25 15:15:54,260 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_sram_ctrl [2020-09-25 15:15:54,261 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_sram_set_dest [2020-09-25 15:15:54,261 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_wan_set_speed [2020-09-25 15:15:54,261 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-09-25 15:15:54,261 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-09-25 15:15:54,261 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-09-25 15:15:54,261 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-25 15:15:54,262 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-09-25 15:15:54,262 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-09-25 15:15:54,262 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-09-25 15:15:54,262 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-09-25 15:15:54,262 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-09-25 15:15:54,262 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-09-25 15:15:54,262 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-09-25 15:15:54,262 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-09-25 15:15:54,263 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-09-25 15:15:54,263 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 15:15:54,263 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-25 15:15:54,263 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-09-25 15:15:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 15:15:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 15:15:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-25 15:15:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-25 15:15:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-09-25 15:15:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-09-25 15:15:54,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 15:15:54,265 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-09-25 15:15:54,265 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-09-25 15:15:54,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-09-25 15:15:54,265 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-09-25 15:15:54,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-09-25 15:15:54,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-09-25 15:15:54,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-09-25 15:15:54,266 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-09-25 15:15:54,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-09-25 15:15:54,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-09-25 15:15:54,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-09-25 15:15:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 15:15:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-25 15:15:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-09-25 15:15:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-09-25 15:15:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-09-25 15:15:54,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-09-25 15:15:54,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-09-25 15:15:54,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 15:15:54,268 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-25 15:15:54,268 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 15:15:54,268 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-09-25 15:15:54,268 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-09-25 15:15:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-09-25 15:15:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-09-25 15:15:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_8 [2020-09-25 15:15:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-09-25 15:15:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_9 [2020-09-25 15:15:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-09-25 15:15:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-09-25 15:15:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-09-25 15:15:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-09-25 15:15:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-09-25 15:15:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-09-25 15:15:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-09-25 15:15:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 15:15:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2020-09-25 15:15:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2020-09-25 15:15:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2020-09-25 15:15:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2020-09-25 15:15:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2020-09-25 15:15:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2020-09-25 15:15:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2020-09-25 15:15:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-09-25 15:15:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2020-09-25 15:15:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 15:15:54,272 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 15:15:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2020-09-25 15:15:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2020-09-25 15:15:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_pass_dmx_packets [2020-09-25 15:15:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kmalloc [2020-09-25 15:15:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kfree [2020-09-25 15:15:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_initialize [2020-09-25 15:15:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_exit [2020-09-25 15:15:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_sram_set_dest [2020-09-25 15:15:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_wan_set_speed [2020-09-25 15:15:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_sram_ctrl [2020-09-25 15:15:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_readwrite_dw [2020-09-25 15:15:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_v8_memory_req [2020-09-25 15:15:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_memory_req [2020-09-25 15:15:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_get_mac_addr [2020-09-25 15:15:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_i2c_req [2020-09-25 15:15:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_read_ibi_reg [2020-09-25 15:15:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 15:15:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 15:15:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_write_ibi_reg [2020-09-25 15:15:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_i2c_request [2020-09-25 15:15:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-09-25 15:15:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_process_frame [2020-09-25 15:15:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-09-25 15:15:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_urb_complete [2020-09-25 15:15:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_stream_control [2020-09-25 15:15:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_exit [2020-09-25 15:15:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_init [2020-09-25 15:15:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 15:15:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-25 15:15:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_init [2020-09-25 15:15:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_exit [2020-09-25 15:15:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_probe [2020-09-25 15:15:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_disconnect [2020-09-25 15:15:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_driver_init [2020-09-25 15:15:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_driver_exit [2020-09-25 15:15:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 15:15:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 15:15:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 15:15:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 15:15:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 15:15:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-25 15:15:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-25 15:15:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-25 15:15:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 15:15:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-25 15:15:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-09-25 15:15:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-09-25 15:15:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-09-25 15:15:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-25 15:15:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-09-25 15:15:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-25 15:15:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-25 15:15:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-25 15:15:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-25 15:15:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-09-25 15:15:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 15:15:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 15:15:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 15:15:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 15:15:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 15:15:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 15:15:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 15:15:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 15:15:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 15:15:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-25 15:15:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-25 15:15:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-25 15:15:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-25 15:15:58,741 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 15:15:58,741 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 15:15:58,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:15:58 BoogieIcfgContainer [2020-09-25 15:15:58,767 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 15:15:58,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 15:15:58,771 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 15:15:58,775 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 15:15:58,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:15:50" (1/3) ... [2020-09-25 15:15:58,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d4e224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:15:58, skipping insertion in model container [2020-09-25 15:15:58,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:15:53" (2/3) ... [2020-09-25 15:15:58,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d4e224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:15:58, skipping insertion in model container [2020-09-25 15:15:58,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:15:58" (3/3) ... [2020-09-25 15:15:58,780 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 15:15:58,792 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 15:15:58,805 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 15:15:58,830 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 15:15:58,872 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 15:15:58,872 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 15:15:58,872 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 15:15:58,872 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 15:15:58,873 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 15:15:58,873 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 15:15:58,873 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 15:15:58,873 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 15:15:58,924 INFO L276 IsEmpty]: Start isEmpty. Operand 2184 states. [2020-09-25 15:15:58,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-25 15:15:58,943 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 15:15:58,944 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 15:15:58,945 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 15:15:58,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 15:15:58,952 INFO L82 PathProgramCache]: Analyzing trace with hash 2037642771, now seen corresponding path program 1 times [2020-09-25 15:15:58,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 15:15:58,964 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1577129020] [2020-09-25 15:15:58,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 15:15:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:15:59,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:00,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:02,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:02,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 15:16:02,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 15:16:02,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2680 [2020-09-25 15:16:02,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:02,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:02,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:02,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 162 [2020-09-25 15:16:02,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-25 15:16:02,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 15:16:03,656 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-09-25 15:16:03,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 15:16:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:03,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:04,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:04,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-25 15:16:04,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:04,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 551 [2020-09-25 15:16:04,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:04,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:04,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:04,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:04,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:04,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:04,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 15:16:04,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:04,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:04,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:04,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 15:16:04,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:04,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 181 [2020-09-25 15:16:04,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:04,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:04,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:04,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:04,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 15:16:04,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 15:16:04,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-25 15:16:04,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:04,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:05,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:05,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 15:16:05,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:05,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 262 [2020-09-25 15:16:05,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:05,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:05,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:05,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:05,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 15:16:05,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:05,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 15:16:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:05,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:05,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:05,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 15:16:05,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:05,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 183 [2020-09-25 15:16:05,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:05,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:05,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:05,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:05,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:05,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:05,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 15:16:05,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:05,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:05,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:05,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 15:16:05,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:05,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-25 15:16:05,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:05,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:05,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:05,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:05,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:05,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:05,584 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 15:16:05,585 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1577129020] [2020-09-25 15:16:05,587 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 15:16:05,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 15:16:05,588 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162632192] [2020-09-25 15:16:05,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 15:16:05,596 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 15:16:05,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 15:16:05,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 15:16:05,617 INFO L87 Difference]: Start difference. First operand 2184 states. Second operand 6 states. [2020-09-25 15:16:07,307 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-09-25 15:16:11,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 15:16:11,156 INFO L93 Difference]: Finished difference Result 1052 states and 1161 transitions. [2020-09-25 15:16:11,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 15:16:11,159 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 192 [2020-09-25 15:16:11,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 15:16:11,187 INFO L225 Difference]: With dead ends: 1052 [2020-09-25 15:16:11,187 INFO L226 Difference]: Without dead ends: 1028 [2020-09-25 15:16:11,192 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 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 15:16:11,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2020-09-25 15:16:11,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 880. [2020-09-25 15:16:11,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 880 states. [2020-09-25 15:16:11,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 948 transitions. [2020-09-25 15:16:11,384 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 948 transitions. Word has length 192 [2020-09-25 15:16:11,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 15:16:11,386 INFO L479 AbstractCegarLoop]: Abstraction has 880 states and 948 transitions. [2020-09-25 15:16:11,386 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 15:16:11,386 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 948 transitions. [2020-09-25 15:16:11,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-09-25 15:16:11,391 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 15:16:11,392 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 15:16:11,392 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 15:16:11,392 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 15:16:11,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 15:16:11,393 INFO L82 PathProgramCache]: Analyzing trace with hash -1258462011, now seen corresponding path program 1 times [2020-09-25 15:16:11,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 15:16:11,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1392175614] [2020-09-25 15:16:11,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 15:16:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:11,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:12,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:13,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:13,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-09-25 15:16:13,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 15:16:13,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1752 [2020-09-25 15:16:13,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:13,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:13,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:13,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 163 [2020-09-25 15:16:13,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-25 15:16:13,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:14,341 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-09-25 15:16:14,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 15:16:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:14,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:14,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:14,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-25 15:16:14,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:14,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 417 [2020-09-25 15:16:14,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:14,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:14,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:14,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:14,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:14,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-09-25 15:16:14,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 15:16:14,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:15,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:15,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:15,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 15:16:15,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:15,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-09-25 15:16:15,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:15,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:15,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:15,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:15,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 15:16:15,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 15:16:15,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-25 15:16:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:15,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:15,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:15,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 15:16:15,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:15,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 167 [2020-09-25 15:16:15,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:15,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:15,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:15,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:15,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 15:16:15,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:15,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 15:16:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:15,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:15,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:15,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 15:16:15,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:15,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-25 15:16:15,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:15,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:15,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:15,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:15,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:15,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:15,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 15:16:15,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:15,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:15,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:15,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 15:16:15,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:15,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-25 15:16:15,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:15,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:15,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:15,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:15,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:15,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:15,726 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 15:16:15,726 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1392175614] [2020-09-25 15:16:15,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 15:16:15,727 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 15:16:15,727 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160019910] [2020-09-25 15:16:15,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 15:16:15,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 15:16:15,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 15:16:15,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 15:16:15,730 INFO L87 Difference]: Start difference. First operand 880 states and 948 transitions. Second operand 6 states. [2020-09-25 15:16:17,229 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-09-25 15:16:20,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 15:16:20,891 INFO L93 Difference]: Finished difference Result 1030 states and 1130 transitions. [2020-09-25 15:16:20,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 15:16:20,892 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 193 [2020-09-25 15:16:20,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 15:16:20,899 INFO L225 Difference]: With dead ends: 1030 [2020-09-25 15:16:20,900 INFO L226 Difference]: Without dead ends: 1027 [2020-09-25 15:16:20,902 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 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 15:16:20,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2020-09-25 15:16:20,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 879. [2020-09-25 15:16:20,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 879 states. [2020-09-25 15:16:21,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 946 transitions. [2020-09-25 15:16:21,000 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 946 transitions. Word has length 193 [2020-09-25 15:16:21,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 15:16:21,001 INFO L479 AbstractCegarLoop]: Abstraction has 879 states and 946 transitions. [2020-09-25 15:16:21,001 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 15:16:21,002 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 946 transitions. [2020-09-25 15:16:21,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-09-25 15:16:21,004 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 15:16:21,005 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 15:16:21,005 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 15:16:21,005 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 15:16:21,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 15:16:21,006 INFO L82 PathProgramCache]: Analyzing trace with hash -358490282, now seen corresponding path program 1 times [2020-09-25 15:16:21,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 15:16:21,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1840782920] [2020-09-25 15:16:21,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 15:16:21,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:21,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:21,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:22,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:22,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-09-25 15:16:22,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 15:16:22,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1532 [2020-09-25 15:16:22,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:22,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:22,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:22,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-09-25 15:16:22,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-25 15:16:22,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:23,952 WARN L193 SmtUtils]: Spent 888.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-09-25 15:16:23,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 15:16:23,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:24,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:24,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:24,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-25 15:16:24,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:24,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 536 [2020-09-25 15:16:24,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:24,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:24,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:24,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:24,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:24,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:24,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 15:16:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:24,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:24,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:24,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 15:16:24,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:24,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-09-25 15:16:24,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:24,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:24,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:24,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:24,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 15:16:24,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 15:16:24,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-25 15:16:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:25,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:25,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:25,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 15:16:25,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:25,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 183 [2020-09-25 15:16:25,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:25,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:25,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:25,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:25,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 15:16:25,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:25,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 15:16:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:25,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:25,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:25,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 15:16:25,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:25,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-25 15:16:25,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:25,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:25,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:25,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:25,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:25,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:25,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 15:16:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:25,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:25,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:25,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 15:16:25,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:25,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-25 15:16:25,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:25,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:25,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:25,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:25,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:25,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:25,496 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 15:16:25,498 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1840782920] [2020-09-25 15:16:25,498 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 15:16:25,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 15:16:25,499 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409657764] [2020-09-25 15:16:25,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 15:16:25,500 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 15:16:25,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 15:16:25,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 15:16:25,501 INFO L87 Difference]: Start difference. First operand 879 states and 946 transitions. Second operand 6 states. [2020-09-25 15:16:27,089 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-09-25 15:16:30,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 15:16:30,876 INFO L93 Difference]: Finished difference Result 1027 states and 1127 transitions. [2020-09-25 15:16:30,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 15:16:30,877 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 194 [2020-09-25 15:16:30,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 15:16:30,879 INFO L225 Difference]: With dead ends: 1027 [2020-09-25 15:16:30,879 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 15:16:30,884 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 15:16:30,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 15:16:30,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 15:16:30,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 15:16:30,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 15:16:30,886 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 194 [2020-09-25 15:16:30,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 15:16:30,886 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 15:16:30,886 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 15:16:30,886 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 15:16:30,886 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 15:16:30,887 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 15:16:30,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 15:16:31,411 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 15:16:31,880 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 15:16:32,342 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 15:16:32,778 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 15:16:33,206 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 15:16:33,632 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 15:16:34,060 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 15:16:34,492 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 15:16:34,920 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 15:16:35,347 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 15:16:35,774 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 15:16:36,206 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 15:16:36,630 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 15:16:37,039 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 15:16:37,470 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 15:16:37,875 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 15:16:38,302 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 15:16:38,740 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 15:16:39,178 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 15:16:39,607 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 15:16:40,034 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 15:16:40,462 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 15:16:40,887 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 15:16:41,312 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 15:16:41,744 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 15:16:42,171 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 320