/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=0.6 --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 07:21:37,675 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 07:21:37,679 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 07:21:37,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 07:21:37,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 07:21:37,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 07:21:37,709 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 07:21:37,711 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 07:21:37,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 07:21:37,714 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 07:21:37,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 07:21:37,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 07:21:37,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 07:21:37,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 07:21:37,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 07:21:37,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 07:21:37,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 07:21:37,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 07:21:37,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 07:21:37,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 07:21:37,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 07:21:37,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 07:21:37,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 07:21:37,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 07:21:37,734 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 07:21:37,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 07:21:37,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 07:21:37,736 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 07:21:37,736 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 07:21:37,737 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 07:21:37,738 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 07:21:37,739 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 07:21:37,740 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 07:21:37,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 07:21:37,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 07:21:37,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 07:21:37,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 07:21:37,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 07:21:37,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 07:21:37,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 07:21:37,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 07:21:37,747 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 07:21:37,774 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 07:21:37,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 07:21:37,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 07:21:37,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 07:21:37,776 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 07:21:37,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 07:21:37,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 07:21:37,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 07:21:37,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 07:21:37,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 07:21:37,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 07:21:37,778 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 07:21:37,778 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 07:21:37,778 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 07:21:37,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 07:21:37,779 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 07:21:37,779 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 07:21:37,779 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 07:21:37,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 07:21:37,780 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 07:21:37,780 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 07:21:37,780 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 07:21:37,780 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 07:21:37,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 07:21:37,781 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 07:21:37,781 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 07:21:37,781 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 07:21:37,781 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=0.6;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=0.6;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=0.6;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=0.6;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=0.6;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=0.6;log-additional-information=true; [2020-09-25 07:21:38,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 07:21:38,325 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 07:21:38,330 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 07:21:38,332 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 07:21:38,334 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 07:21:38,335 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2020-09-25 07:21:38,434 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9e8fa4f8a/7bec085a6c874b6e8fba9086b1b53d99/FLAG6eccb8f82 [2020-09-25 07:21:39,355 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 07:21:39,356 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2020-09-25 07:21:39,400 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9e8fa4f8a/7bec085a6c874b6e8fba9086b1b53d99/FLAG6eccb8f82 [2020-09-25 07:21:39,809 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9e8fa4f8a/7bec085a6c874b6e8fba9086b1b53d99 [2020-09-25 07:21:39,824 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 07:21:39,830 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 07:21:39,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 07:21:39,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 07:21:39,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 07:21:39,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:21:39" (1/1) ... [2020-09-25 07:21:39,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7205a42a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:21:39, skipping insertion in model container [2020-09-25 07:21:39,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:21:39" (1/1) ... [2020-09-25 07:21:39,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 07:21:40,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 07:21:41,912 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:21:41,955 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 07:21:42,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:21:42,663 INFO L208 MainTranslator]: Completed translation [2020-09-25 07:21:42,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:21:42 WrapperNode [2020-09-25 07:21:42,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 07:21:42,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 07:21:42,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 07:21:42,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 07:21:42,694 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:21:42" (1/1) ... [2020-09-25 07:21:42,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:21:42" (1/1) ... [2020-09-25 07:21:42,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:21:42" (1/1) ... [2020-09-25 07:21:42,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:21:42" (1/1) ... [2020-09-25 07:21:43,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:21:42" (1/1) ... [2020-09-25 07:21:43,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:21:42" (1/1) ... [2020-09-25 07:21:43,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:21:42" (1/1) ... [2020-09-25 07:21:43,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 07:21:43,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 07:21:43,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 07:21:43,269 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 07:21:43,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:21:42" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 07:21:43,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 07:21:43,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 07:21:43,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-09-25 07:21:43,384 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 07:21:43,384 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-09-25 07:21:43,387 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-09-25 07:21:43,388 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-09-25 07:21:43,389 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-09-25 07:21:43,390 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-09-25 07:21:43,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-09-25 07:21:43,392 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2020-09-25 07:21:43,392 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2020-09-25 07:21:43,392 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2020-09-25 07:21:43,392 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2020-09-25 07:21:43,392 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2020-09-25 07:21:43,393 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2020-09-25 07:21:43,393 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2020-09-25 07:21:43,397 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2020-09-25 07:21:43,397 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_readwrite_dw [2020-09-25 07:21:43,397 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_v8_memory_req [2020-09-25 07:21:43,398 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_memory_req [2020-09-25 07:21:43,398 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_get_mac_addr [2020-09-25 07:21:43,398 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_i2c_req [2020-09-25 07:21:43,398 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_read_ibi_reg [2020-09-25 07:21:43,398 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_write_ibi_reg [2020-09-25 07:21:43,399 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_i2c_request [2020-09-25 07:21:43,399 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_process_frame [2020-09-25 07:21:43,399 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_urb_complete [2020-09-25 07:21:43,399 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_stream_control [2020-09-25 07:21:43,399 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_exit [2020-09-25 07:21:43,399 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_init [2020-09-25 07:21:43,399 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_init [2020-09-25 07:21:43,400 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_exit [2020-09-25 07:21:43,400 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_probe [2020-09-25 07:21:43,400 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_disconnect [2020-09-25 07:21:43,400 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_driver_init [2020-09-25 07:21:43,400 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_driver_exit [2020-09-25 07:21:43,400 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 07:21:43,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-09-25 07:21:43,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-09-25 07:21:43,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-09-25 07:21:43,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-09-25 07:21:43,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-09-25 07:21:43,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-09-25 07:21:43,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-09-25 07:21:43,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_8 [2020-09-25 07:21:43,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_9 [2020-09-25 07:21:43,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 07:21:43,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 07:21:43,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 07:21:43,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-25 07:21:43,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-25 07:21:43,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 07:21:43,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-25 07:21:43,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 07:21:43,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-25 07:21:43,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-25 07:21:43,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-09-25 07:21:43,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-09-25 07:21:43,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-09-25 07:21:43,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-09-25 07:21:43,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-25 07:21:43,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-09-25 07:21:43,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-09-25 07:21:43,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-25 07:21:43,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-25 07:21:43,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-09-25 07:21:43,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-09-25 07:21:43,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-25 07:21:43,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-25 07:21:43,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-09-25 07:21:43,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 07:21:43,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 07:21:43,408 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2020-09-25 07:21:43,408 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2020-09-25 07:21:43,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 07:21:43,408 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-25 07:21:43,408 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 07:21:43,409 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_exit [2020-09-25 07:21:43,409 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_initialize [2020-09-25 07:21:43,409 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kfree [2020-09-25 07:21:43,409 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kmalloc [2020-09-25 07:21:43,409 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_pass_dmx_packets [2020-09-25 07:21:43,409 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_sram_ctrl [2020-09-25 07:21:43,410 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_sram_set_dest [2020-09-25 07:21:43,410 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_wan_set_speed [2020-09-25 07:21:43,410 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-09-25 07:21:43,410 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-09-25 07:21:43,410 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-09-25 07:21:43,410 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-25 07:21:43,410 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-09-25 07:21:43,411 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-09-25 07:21:43,411 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-09-25 07:21:43,411 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-09-25 07:21:43,411 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-09-25 07:21:43,411 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-09-25 07:21:43,411 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-09-25 07:21:43,412 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-09-25 07:21:43,412 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-09-25 07:21:43,412 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 07:21:43,412 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-25 07:21:43,413 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-09-25 07:21:43,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 07:21:43,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 07:21:43,413 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-25 07:21:43,413 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-25 07:21:43,413 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-09-25 07:21:43,414 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-09-25 07:21:43,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 07:21:43,414 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-09-25 07:21:43,414 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-09-25 07:21:43,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-09-25 07:21:43,414 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-09-25 07:21:43,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-09-25 07:21:43,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-09-25 07:21:43,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-09-25 07:21:43,415 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-09-25 07:21:43,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-09-25 07:21:43,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-09-25 07:21:43,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-09-25 07:21:43,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 07:21:43,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-25 07:21:43,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-09-25 07:21:43,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-09-25 07:21:43,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-09-25 07:21:43,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-09-25 07:21:43,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-09-25 07:21:43,417 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 07:21:43,417 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-25 07:21:43,417 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 07:21:43,417 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-09-25 07:21:43,417 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-09-25 07:21:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-09-25 07:21:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-09-25 07:21:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_8 [2020-09-25 07:21:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-09-25 07:21:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_9 [2020-09-25 07:21:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-09-25 07:21:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-09-25 07:21:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-09-25 07:21:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-09-25 07:21:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-09-25 07:21:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-09-25 07:21:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-09-25 07:21:43,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 07:21:43,420 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2020-09-25 07:21:43,420 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2020-09-25 07:21:43,420 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2020-09-25 07:21:43,420 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2020-09-25 07:21:43,420 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2020-09-25 07:21:43,421 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2020-09-25 07:21:43,421 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2020-09-25 07:21:43,421 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-09-25 07:21:43,421 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2020-09-25 07:21:43,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 07:21:43,421 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 07:21:43,422 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2020-09-25 07:21:43,422 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2020-09-25 07:21:43,422 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_pass_dmx_packets [2020-09-25 07:21:43,422 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kmalloc [2020-09-25 07:21:43,422 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kfree [2020-09-25 07:21:43,422 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_initialize [2020-09-25 07:21:43,422 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_exit [2020-09-25 07:21:43,423 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_sram_set_dest [2020-09-25 07:21:43,423 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_wan_set_speed [2020-09-25 07:21:43,423 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_sram_ctrl [2020-09-25 07:21:43,423 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_readwrite_dw [2020-09-25 07:21:43,423 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_v8_memory_req [2020-09-25 07:21:43,423 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_memory_req [2020-09-25 07:21:43,424 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_get_mac_addr [2020-09-25 07:21:43,424 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_i2c_req [2020-09-25 07:21:43,424 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_read_ibi_reg [2020-09-25 07:21:43,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 07:21:43,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 07:21:43,424 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_write_ibi_reg [2020-09-25 07:21:43,424 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_i2c_request [2020-09-25 07:21:43,425 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-09-25 07:21:43,425 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_process_frame [2020-09-25 07:21:43,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-09-25 07:21:43,425 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_urb_complete [2020-09-25 07:21:43,425 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_stream_control [2020-09-25 07:21:43,425 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_exit [2020-09-25 07:21:43,425 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_init [2020-09-25 07:21:43,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 07:21:43,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-25 07:21:43,426 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_init [2020-09-25 07:21:43,426 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_exit [2020-09-25 07:21:43,426 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_probe [2020-09-25 07:21:43,426 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_disconnect [2020-09-25 07:21:43,426 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_driver_init [2020-09-25 07:21:43,427 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_driver_exit [2020-09-25 07:21:43,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 07:21:43,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 07:21:43,427 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 07:21:43,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 07:21:43,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 07:21:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-25 07:21:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-25 07:21:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-25 07:21:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 07:21:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-25 07:21:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-09-25 07:21:43,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-09-25 07:21:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-09-25 07:21:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-25 07:21:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-09-25 07:21:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-25 07:21:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-25 07:21:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-25 07:21:43,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-25 07:21:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-09-25 07:21:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 07:21:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 07:21:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 07:21:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 07:21:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 07:21:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 07:21:43,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 07:21:43,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 07:21:43,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 07:21:43,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-25 07:21:43,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-25 07:21:43,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-25 07:21:43,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-25 07:21:48,041 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 07:21:48,041 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 07:21:48,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:21:48 BoogieIcfgContainer [2020-09-25 07:21:48,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 07:21:48,056 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 07:21:48,057 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 07:21:48,061 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 07:21:48,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 07:21:39" (1/3) ... [2020-09-25 07:21:48,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bd147b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:21:48, skipping insertion in model container [2020-09-25 07:21:48,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:21:42" (2/3) ... [2020-09-25 07:21:48,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bd147b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:21:48, skipping insertion in model container [2020-09-25 07:21:48,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:21:48" (3/3) ... [2020-09-25 07:21:48,065 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 07:21:48,077 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 07:21:48,090 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 07:21:48,115 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 07:21:48,156 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 07:21:48,156 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 07:21:48,156 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 07:21:48,157 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 07:21:48,157 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 07:21:48,157 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 07:21:48,157 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 07:21:48,157 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 07:21:48,215 INFO L276 IsEmpty]: Start isEmpty. Operand 2184 states. [2020-09-25 07:21:48,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-25 07:21:48,237 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:21:48,239 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 07:21:48,240 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:21:48,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:21:48,248 INFO L82 PathProgramCache]: Analyzing trace with hash 2037642771, now seen corresponding path program 1 times [2020-09-25 07:21:48,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:21:48,260 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1596990814] [2020-09-25 07:21:48,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:21:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:21:49,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:21:50,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:21:51,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:21:51,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 07:21:51,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 07:21:51,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2474 [2020-09-25 07:21:51,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:21:51,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:21:51,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:21:51,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 162 [2020-09-25 07:21:51,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-25 07:21:51,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 13 [2020-09-25 07:21:52,810 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-09-25 07:21:52,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:21:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:21:52,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:21:53,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:21:53,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-25 07:21:53,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:21:53,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 523 [2020-09-25 07:21:53,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:21:53,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:21:53,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:21:53,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:21:53,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:21:53,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:21:53,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 07:21:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:21:53,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:21:53,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:21:53,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:21:53,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:21:53,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 211 [2020-09-25 07:21:53,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:21:53,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:21:53,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:21:53,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:21:53,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 07:21:53,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:21:53,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-25 07:21:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:21:53,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:21:54,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:21:54,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 07:21:54,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:21:54,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-09-25 07:21:54,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:21:54,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:21:54,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:21:54,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:21:54,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 07:21:54,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:21:54,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:21:54,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:21:54,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:21:54,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:21:54,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 07:21:54,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:21:54,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-25 07:21:54,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:21:54,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:21:54,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:21:54,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:21:54,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:21:54,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:21:54,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 07:21:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:21:54,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:21:54,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:21:54,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:21:54,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:21:54,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-25 07:21:54,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:21:54,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:21:54,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:21:54,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:21:54,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:21:54,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:21:54,580 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 07:21:54,581 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1596990814] [2020-09-25 07:21:54,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:21:54,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 07:21:54,584 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078708622] [2020-09-25 07:21:54,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 07:21:54,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:21:54,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 07:21:54,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 07:21:54,613 INFO L87 Difference]: Start difference. First operand 2184 states. Second operand 6 states. [2020-09-25 07:21:56,208 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-09-25 07:22:00,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:22:00,054 INFO L93 Difference]: Finished difference Result 1052 states and 1161 transitions. [2020-09-25 07:22:00,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 07:22:00,058 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 192 [2020-09-25 07:22:00,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:22:00,085 INFO L225 Difference]: With dead ends: 1052 [2020-09-25 07:22:00,085 INFO L226 Difference]: Without dead ends: 1028 [2020-09-25 07:22:00,091 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 07:22:00,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2020-09-25 07:22:00,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 880. [2020-09-25 07:22:00,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 880 states. [2020-09-25 07:22:00,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 948 transitions. [2020-09-25 07:22:00,273 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 948 transitions. Word has length 192 [2020-09-25 07:22:00,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:22:00,274 INFO L479 AbstractCegarLoop]: Abstraction has 880 states and 948 transitions. [2020-09-25 07:22:00,275 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 07:22:00,275 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 948 transitions. [2020-09-25 07:22:00,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-09-25 07:22:00,282 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:22:00,282 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 07:22:00,282 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 07:22:00,283 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:22:00,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:22:00,283 INFO L82 PathProgramCache]: Analyzing trace with hash -1258462011, now seen corresponding path program 1 times [2020-09-25 07:22:00,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:22:00,284 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1724711506] [2020-09-25 07:22:00,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:22:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:00,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:01,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:02,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:02,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-09-25 07:22:02,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 07:22:02,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1604 [2020-09-25 07:22:02,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:02,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:02,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:02,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 163 [2020-09-25 07:22:02,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-25 07:22:02,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 07:22:03,011 WARN L193 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-09-25 07:22:03,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:22:03,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:03,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:03,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:03,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-25 07:22:03,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:03,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 374 [2020-09-25 07:22:03,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:03,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:03,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:22:03,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:03,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:22:03,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 07:22:03,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 07:22:03,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:03,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:03,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:03,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:22:03,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:03,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-09-25 07:22:03,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:03,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:03,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:03,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:03,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 07:22:03,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:22:03,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-25 07:22:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:03,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:03,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:03,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 07:22:03,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:03,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-09-25 07:22:03,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:03,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:03,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:03,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:03,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 07:22:03,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:22:04,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:22:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:04,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:04,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:04,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 07:22:04,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:04,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-25 07:22:04,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:04,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:04,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:22:04,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:04,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:22:04,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:04,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 07:22:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:04,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:04,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:04,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:22:04,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:04,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-25 07:22:04,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:04,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:04,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:22:04,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:04,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:22:04,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:04,381 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 07:22:04,382 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1724711506] [2020-09-25 07:22:04,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:22:04,383 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 07:22:04,383 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073086209] [2020-09-25 07:22:04,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 07:22:04,387 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:22:04,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 07:22:04,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 07:22:04,388 INFO L87 Difference]: Start difference. First operand 880 states and 948 transitions. Second operand 6 states. [2020-09-25 07:22:05,912 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-09-25 07:22:09,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:22:09,383 INFO L93 Difference]: Finished difference Result 1030 states and 1130 transitions. [2020-09-25 07:22:09,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 07:22:09,383 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 193 [2020-09-25 07:22:09,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:22:09,391 INFO L225 Difference]: With dead ends: 1030 [2020-09-25 07:22:09,391 INFO L226 Difference]: Without dead ends: 1027 [2020-09-25 07:22:09,393 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 07:22:09,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2020-09-25 07:22:09,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 879. [2020-09-25 07:22:09,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 879 states. [2020-09-25 07:22:09,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 946 transitions. [2020-09-25 07:22:09,500 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 946 transitions. Word has length 193 [2020-09-25 07:22:09,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:22:09,501 INFO L479 AbstractCegarLoop]: Abstraction has 879 states and 946 transitions. [2020-09-25 07:22:09,501 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 07:22:09,501 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 946 transitions. [2020-09-25 07:22:09,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-09-25 07:22:09,503 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:22:09,504 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 07:22:09,504 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 07:22:09,504 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:22:09,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:22:09,504 INFO L82 PathProgramCache]: Analyzing trace with hash -358490282, now seen corresponding path program 1 times [2020-09-25 07:22:09,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:22:09,505 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [713903148] [2020-09-25 07:22:09,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:22:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:09,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:10,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:11,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:11,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-09-25 07:22:11,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 07:22:11,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1409 [2020-09-25 07:22:11,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:11,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:11,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:11,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-09-25 07:22:11,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-25 07:22:11,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:11,947 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-09-25 07:22:11,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:22:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:12,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:12,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:12,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-25 07:22:12,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:12,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 375 [2020-09-25 07:22:12,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:12,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:12,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:22:12,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:12,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:22:12,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:22:12,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 07:22:12,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:12,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:12,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:12,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:22:12,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:12,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-09-25 07:22:12,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:12,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:12,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:12,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:12,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 07:22:12,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 07:22:12,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-25 07:22:12,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:12,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:12,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:12,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 07:22:12,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:12,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 186 [2020-09-25 07:22:12,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:12,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:12,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:22:12,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:12,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 07:22:12,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 07:22:13,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:22:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:13,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:13,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:13,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 07:22:13,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:13,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-09-25 07:22:13,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:13,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:13,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:22:13,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:13,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:22:13,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 07:22:13,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 07:22:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:22:13,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:22:13,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:22:13,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 07:22:13,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:22:13,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-09-25 07:22:13,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:22:13,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 07:22:13,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:22:13,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:22:13,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:22:13,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 07:22:13,535 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 07:22:13,537 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [713903148] [2020-09-25 07:22:13,537 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:22:13,537 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 07:22:13,538 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202932544] [2020-09-25 07:22:13,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 07:22:13,539 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:22:13,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 07:22:13,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 07:22:13,540 INFO L87 Difference]: Start difference. First operand 879 states and 946 transitions. Second operand 6 states. [2020-09-25 07:22:15,359 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-09-25 07:22:18,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:22:18,945 INFO L93 Difference]: Finished difference Result 1027 states and 1127 transitions. [2020-09-25 07:22:18,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 07:22:18,946 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 194 [2020-09-25 07:22:18,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:22:18,947 INFO L225 Difference]: With dead ends: 1027 [2020-09-25 07:22:18,947 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 07:22:18,953 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 07:22:18,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 07:22:18,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 07:22:18,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 07:22:18,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 07:22:18,954 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 194 [2020-09-25 07:22:18,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:22:18,954 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 07:22:18,954 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 07:22:18,954 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 07:22:18,954 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 07:22:18,954 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 07:22:18,957 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 07:22:19,493 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 07:22:19,992 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 07:22:20,439 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 07:22:20,881 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 07:22:21,323 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 07:22:21,766 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 07:22:22,208 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 07:22:22,640 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 07:22:23,066 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 07:22:23,493 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 07:22:23,922 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 07:22:24,371 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 07:22:24,825 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 07:22:25,243 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 07:22:25,650 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 07:22:26,066 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 07:22:26,501 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 07:22:26,929 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 07:22:27,365 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 07:22:27,798 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 07:22:28,224 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 07:22:28,650 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 07:22:29,077 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 07:22:29,504 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 320