/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=0.2 --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 11:53:02,547 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 11:53:02,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 11:53:02,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 11:53:02,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 11:53:02,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 11:53:02,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 11:53:02,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 11:53:02,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 11:53:02,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 11:53:02,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 11:53:02,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 11:53:02,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 11:53:02,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 11:53:02,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 11:53:02,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 11:53:02,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 11:53:02,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 11:53:02,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 11:53:02,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 11:53:02,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 11:53:02,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 11:53:02,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 11:53:02,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 11:53:02,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 11:53:02,655 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 11:53:02,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 11:53:02,659 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 11:53:02,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 11:53:02,661 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 11:53:02,661 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 11:53:02,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 11:53:02,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 11:53:02,664 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 11:53:02,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 11:53:02,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 11:53:02,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 11:53:02,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 11:53:02,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 11:53:02,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 11:53:02,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 11:53:02,672 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 11:53:02,715 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 11:53:02,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 11:53:02,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 11:53:02,718 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 11:53:02,718 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 11:53:02,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 11:53:02,719 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 11:53:02,719 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 11:53:02,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 11:53:02,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 11:53:02,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 11:53:02,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 11:53:02,721 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 11:53:02,721 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 11:53:02,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 11:53:02,722 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 11:53:02,722 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 11:53:02,722 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 11:53:02,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:53:02,723 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 11:53:02,723 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 11:53:02,723 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 11:53:02,723 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 11:53:02,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 11:53:02,724 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 11:53:02,724 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 11:53:02,724 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 11:53:02,724 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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;log-additional-information=true; [2020-09-25 11:53:03,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 11:53:03,205 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 11:53:03,210 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 11:53:03,212 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 11:53:03,214 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 11:53:03,215 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2020-09-25 11:53:03,310 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c68714f66/8538e13deaee4c08a669c0b40c63a6d4/FLAGd5d5ddb71 [2020-09-25 11:53:04,294 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 11:53:04,295 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2020-09-25 11:53:04,358 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c68714f66/8538e13deaee4c08a669c0b40c63a6d4/FLAGd5d5ddb71 [2020-09-25 11:53:04,704 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c68714f66/8538e13deaee4c08a669c0b40c63a6d4 [2020-09-25 11:53:04,718 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 11:53:04,727 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 11:53:04,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 11:53:04,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 11:53:04,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 11:53:04,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:53:04" (1/1) ... [2020-09-25 11:53:04,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56da84b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:04, skipping insertion in model container [2020-09-25 11:53:04,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:53:04" (1/1) ... [2020-09-25 11:53:04,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 11:53:04,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 11:53:06,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:53:06,715 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 11:53:07,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:53:07,414 INFO L208 MainTranslator]: Completed translation [2020-09-25 11:53:07,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:07 WrapperNode [2020-09-25 11:53:07,416 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 11:53:07,418 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 11:53:07,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 11:53:07,418 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 11:53:07,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:07" (1/1) ... [2020-09-25 11:53:07,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:07" (1/1) ... [2020-09-25 11:53:07,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:07" (1/1) ... [2020-09-25 11:53:07,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:07" (1/1) ... [2020-09-25 11:53:07,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:07" (1/1) ... [2020-09-25 11:53:07,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:07" (1/1) ... [2020-09-25 11:53:07,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:07" (1/1) ... [2020-09-25 11:53:08,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 11:53:08,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 11:53:08,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 11:53:08,019 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 11:53:08,021 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:07" (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 11:53:08,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 11:53:08,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 11:53:08,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-09-25 11:53:08,105 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 11:53:08,105 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-09-25 11:53:08,106 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-09-25 11:53:08,107 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-09-25 11:53:08,108 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-09-25 11:53:08,108 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-09-25 11:53:08,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-09-25 11:53:08,109 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2020-09-25 11:53:08,109 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2020-09-25 11:53:08,109 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2020-09-25 11:53:08,110 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2020-09-25 11:53:08,110 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2020-09-25 11:53:08,110 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2020-09-25 11:53:08,110 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2020-09-25 11:53:08,113 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2020-09-25 11:53:08,113 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_readwrite_dw [2020-09-25 11:53:08,113 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_v8_memory_req [2020-09-25 11:53:08,113 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_memory_req [2020-09-25 11:53:08,113 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_get_mac_addr [2020-09-25 11:53:08,113 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_i2c_req [2020-09-25 11:53:08,114 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_read_ibi_reg [2020-09-25 11:53:08,114 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_write_ibi_reg [2020-09-25 11:53:08,114 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_i2c_request [2020-09-25 11:53:08,114 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_process_frame [2020-09-25 11:53:08,115 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_urb_complete [2020-09-25 11:53:08,115 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_stream_control [2020-09-25 11:53:08,115 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_exit [2020-09-25 11:53:08,116 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_init [2020-09-25 11:53:08,117 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_init [2020-09-25 11:53:08,117 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_exit [2020-09-25 11:53:08,117 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_probe [2020-09-25 11:53:08,117 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_disconnect [2020-09-25 11:53:08,117 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_driver_init [2020-09-25 11:53:08,117 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_driver_exit [2020-09-25 11:53:08,118 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 11:53:08,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-09-25 11:53:08,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-09-25 11:53:08,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-09-25 11:53:08,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-09-25 11:53:08,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-09-25 11:53:08,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-09-25 11:53:08,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-09-25 11:53:08,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_8 [2020-09-25 11:53:08,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_9 [2020-09-25 11:53:08,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 11:53:08,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 11:53:08,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 11:53:08,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-25 11:53:08,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-25 11:53:08,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 11:53:08,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-25 11:53:08,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 11:53:08,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-25 11:53:08,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-25 11:53:08,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-09-25 11:53:08,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-09-25 11:53:08,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-09-25 11:53:08,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-09-25 11:53:08,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-25 11:53:08,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-09-25 11:53:08,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-09-25 11:53:08,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-25 11:53:08,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-25 11:53:08,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-09-25 11:53:08,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-09-25 11:53:08,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-25 11:53:08,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-25 11:53:08,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-09-25 11:53:08,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 11:53:08,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 11:53:08,126 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2020-09-25 11:53:08,126 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2020-09-25 11:53:08,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 11:53:08,126 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-25 11:53:08,127 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 11:53:08,127 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_exit [2020-09-25 11:53:08,127 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_initialize [2020-09-25 11:53:08,128 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kfree [2020-09-25 11:53:08,128 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kmalloc [2020-09-25 11:53:08,129 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_pass_dmx_packets [2020-09-25 11:53:08,129 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_sram_ctrl [2020-09-25 11:53:08,129 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_sram_set_dest [2020-09-25 11:53:08,129 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_wan_set_speed [2020-09-25 11:53:08,129 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-09-25 11:53:08,130 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-09-25 11:53:08,130 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-09-25 11:53:08,130 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-25 11:53:08,130 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-09-25 11:53:08,130 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-09-25 11:53:08,130 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-09-25 11:53:08,131 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-09-25 11:53:08,131 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-09-25 11:53:08,131 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-09-25 11:53:08,132 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-09-25 11:53:08,132 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-09-25 11:53:08,132 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-09-25 11:53:08,132 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 11:53:08,133 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-25 11:53:08,133 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-09-25 11:53:08,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 11:53:08,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 11:53:08,133 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-25 11:53:08,133 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-25 11:53:08,133 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-09-25 11:53:08,134 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-09-25 11:53:08,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 11:53:08,134 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-09-25 11:53:08,134 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-09-25 11:53:08,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-09-25 11:53:08,134 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-09-25 11:53:08,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-09-25 11:53:08,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-09-25 11:53:08,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-09-25 11:53:08,136 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-09-25 11:53:08,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-09-25 11:53:08,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-09-25 11:53:08,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-09-25 11:53:08,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 11:53:08,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-25 11:53:08,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-09-25 11:53:08,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-09-25 11:53:08,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-09-25 11:53:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-09-25 11:53:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-09-25 11:53:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 11:53:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-25 11:53:08,143 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 11:53:08,143 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-09-25 11:53:08,143 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-09-25 11:53:08,144 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-09-25 11:53:08,144 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-09-25 11:53:08,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_8 [2020-09-25 11:53:08,144 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-09-25 11:53:08,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_9 [2020-09-25 11:53:08,145 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-09-25 11:53:08,146 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-09-25 11:53:08,146 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-09-25 11:53:08,146 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-09-25 11:53:08,146 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-09-25 11:53:08,146 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-09-25 11:53:08,146 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-09-25 11:53:08,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 11:53:08,155 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2020-09-25 11:53:08,155 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2020-09-25 11:53:08,155 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2020-09-25 11:53:08,155 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2020-09-25 11:53:08,155 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2020-09-25 11:53:08,156 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2020-09-25 11:53:08,157 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2020-09-25 11:53:08,157 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-09-25 11:53:08,157 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2020-09-25 11:53:08,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 11:53:08,157 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 11:53:08,157 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2020-09-25 11:53:08,158 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2020-09-25 11:53:08,158 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_pass_dmx_packets [2020-09-25 11:53:08,158 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kmalloc [2020-09-25 11:53:08,158 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kfree [2020-09-25 11:53:08,158 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_initialize [2020-09-25 11:53:08,158 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_exit [2020-09-25 11:53:08,158 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_sram_set_dest [2020-09-25 11:53:08,158 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_wan_set_speed [2020-09-25 11:53:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_sram_ctrl [2020-09-25 11:53:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_readwrite_dw [2020-09-25 11:53:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_v8_memory_req [2020-09-25 11:53:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_memory_req [2020-09-25 11:53:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_get_mac_addr [2020-09-25 11:53:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_i2c_req [2020-09-25 11:53:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_read_ibi_reg [2020-09-25 11:53:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 11:53:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 11:53:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_write_ibi_reg [2020-09-25 11:53:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_i2c_request [2020-09-25 11:53:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-09-25 11:53:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_process_frame [2020-09-25 11:53:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-09-25 11:53:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_urb_complete [2020-09-25 11:53:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_stream_control [2020-09-25 11:53:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_exit [2020-09-25 11:53:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_init [2020-09-25 11:53:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 11:53:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-25 11:53:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_init [2020-09-25 11:53:08,162 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_exit [2020-09-25 11:53:08,162 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_probe [2020-09-25 11:53:08,162 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_disconnect [2020-09-25 11:53:08,162 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_driver_init [2020-09-25 11:53:08,162 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_driver_exit [2020-09-25 11:53:08,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 11:53:08,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 11:53:08,163 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 11:53:08,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 11:53:08,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 11:53:08,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-25 11:53:08,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-25 11:53:08,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-25 11:53:08,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 11:53:08,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-25 11:53:08,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-09-25 11:53:08,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-09-25 11:53:08,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-09-25 11:53:08,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-25 11:53:08,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-09-25 11:53:08,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-25 11:53:08,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-25 11:53:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-25 11:53:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-25 11:53:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-09-25 11:53:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 11:53:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 11:53:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 11:53:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 11:53:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 11:53:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 11:53:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 11:53:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 11:53:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 11:53:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-25 11:53:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-25 11:53:08,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-25 11:53:08,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-25 11:53:12,403 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 11:53:12,403 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 11:53:12,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:53:12 BoogieIcfgContainer [2020-09-25 11:53:12,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 11:53:12,420 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 11:53:12,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 11:53:12,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 11:53:12,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:53:04" (1/3) ... [2020-09-25 11:53:12,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5315f5fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:53:12, skipping insertion in model container [2020-09-25 11:53:12,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:07" (2/3) ... [2020-09-25 11:53:12,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5315f5fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:53:12, skipping insertion in model container [2020-09-25 11:53:12,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:53:12" (3/3) ... [2020-09-25 11:53:12,429 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 11:53:12,441 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 11:53:12,452 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 11:53:12,474 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 11:53:12,509 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 11:53:12,509 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 11:53:12,509 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 11:53:12,509 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 11:53:12,510 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 11:53:12,510 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 11:53:12,510 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 11:53:12,510 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 11:53:12,558 INFO L276 IsEmpty]: Start isEmpty. Operand 2184 states. [2020-09-25 11:53:12,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-25 11:53:12,577 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:53:12,579 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 11:53:12,579 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:53:12,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:53:12,587 INFO L82 PathProgramCache]: Analyzing trace with hash 2037642771, now seen corresponding path program 1 times [2020-09-25 11:53:12,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:53:12,597 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [830269662] [2020-09-25 11:53:12,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:53:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:13,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:14,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:15,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:15,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 11:53:15,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:53:15,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2635 [2020-09-25 11:53:15,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:15,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:15,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:53:15,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 162 [2020-09-25 11:53:15,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-25 11:53:15,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-09-25 11:53:17,481 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-09-25 11:53:17,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:53:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:17,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:18,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:18,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-25 11:53:18,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:18,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 502 [2020-09-25 11:53:18,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:18,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:18,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:53:18,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:18,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:53:18,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:18,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 11:53:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:18,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:18,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:18,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:53:18,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:18,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-09-25 11:53:18,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:18,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:18,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:53:18,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:18,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 11:53:18,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:18,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-25 11:53:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:18,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:18,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:18,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 11:53:18,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:18,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-09-25 11:53:18,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:18,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:18,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:53:18,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:18,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 11:53:18,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:18,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:53:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:18,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:19,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:19,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 11:53:19,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:19,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-09-25 11:53:19,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:19,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:19,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:53:19,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:19,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:53:19,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:19,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:53:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:19,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:19,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:19,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:53:19,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:19,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-09-25 11:53:19,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:19,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:19,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:53:19,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:19,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:53:19,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:19,310 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 11:53:19,311 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [830269662] [2020-09-25 11:53:19,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:53:19,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 11:53:19,315 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583842124] [2020-09-25 11:53:19,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 11:53:19,324 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:53:19,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 11:53:19,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 11:53:19,347 INFO L87 Difference]: Start difference. First operand 2184 states. Second operand 6 states. [2020-09-25 11:53:20,886 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-09-25 11:53:24,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:53:24,755 INFO L93 Difference]: Finished difference Result 1052 states and 1161 transitions. [2020-09-25 11:53:24,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 11:53:24,758 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 192 [2020-09-25 11:53:24,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:53:24,785 INFO L225 Difference]: With dead ends: 1052 [2020-09-25 11:53:24,785 INFO L226 Difference]: Without dead ends: 1028 [2020-09-25 11:53:24,790 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 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 11:53:24,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2020-09-25 11:53:24,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 880. [2020-09-25 11:53:24,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 880 states. [2020-09-25 11:53:24,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 948 transitions. [2020-09-25 11:53:24,991 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 948 transitions. Word has length 192 [2020-09-25 11:53:24,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:53:24,993 INFO L479 AbstractCegarLoop]: Abstraction has 880 states and 948 transitions. [2020-09-25 11:53:24,993 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 11:53:24,993 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 948 transitions. [2020-09-25 11:53:24,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-09-25 11:53:24,998 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:53:24,999 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 11:53:24,999 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 11:53:24,999 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:53:25,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:53:25,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1258462011, now seen corresponding path program 1 times [2020-09-25 11:53:25,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:53:25,001 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [680968586] [2020-09-25 11:53:25,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:53:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:25,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:25,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:26,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:26,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-09-25 11:53:26,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:53:26,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1760 [2020-09-25 11:53:26,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:26,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:26,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:53:26,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 163 [2020-09-25 11:53:26,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-25 11:53:26,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:27,902 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-09-25 11:53:27,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:53:27,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:27,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:28,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:28,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-25 11:53:28,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:28,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 418 [2020-09-25 11:53:28,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:28,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:28,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:53:28,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:28,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:53:28,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:28,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 11:53:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:28,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:28,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:28,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:53:28,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:28,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 172 [2020-09-25 11:53:28,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:28,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:28,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:53:28,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:28,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 11:53:28,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:28,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-25 11:53:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:28,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:29,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:29,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 11:53:29,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:29,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-09-25 11:53:29,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:29,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:29,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:53:29,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:29,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 11:53:29,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:29,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:53:29,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:29,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:29,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:29,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 11:53:29,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:29,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-25 11:53:29,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:29,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:29,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:53:29,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:29,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:53:29,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:29,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:53:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:29,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:29,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:29,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:53:29,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:29,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-25 11:53:29,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:29,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:29,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:53:29,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:29,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:53:29,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:29,391 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 11:53:29,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [680968586] [2020-09-25 11:53:29,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:53:29,392 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 11:53:29,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385477586] [2020-09-25 11:53:29,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 11:53:29,396 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:53:29,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 11:53:29,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 11:53:29,397 INFO L87 Difference]: Start difference. First operand 880 states and 948 transitions. Second operand 6 states. [2020-09-25 11:53:30,954 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-09-25 11:53:34,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:53:34,623 INFO L93 Difference]: Finished difference Result 1030 states and 1130 transitions. [2020-09-25 11:53:34,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 11:53:34,624 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 193 [2020-09-25 11:53:34,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:53:34,632 INFO L225 Difference]: With dead ends: 1030 [2020-09-25 11:53:34,633 INFO L226 Difference]: Without dead ends: 1027 [2020-09-25 11:53:34,635 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 11:53:34,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2020-09-25 11:53:34,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 879. [2020-09-25 11:53:34,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 879 states. [2020-09-25 11:53:34,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 946 transitions. [2020-09-25 11:53:34,754 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 946 transitions. Word has length 193 [2020-09-25 11:53:34,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:53:34,755 INFO L479 AbstractCegarLoop]: Abstraction has 879 states and 946 transitions. [2020-09-25 11:53:34,755 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 11:53:34,756 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 946 transitions. [2020-09-25 11:53:34,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-09-25 11:53:34,759 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:53:34,759 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 11:53:34,760 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 11:53:34,760 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:53:34,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:53:34,760 INFO L82 PathProgramCache]: Analyzing trace with hash -358490282, now seen corresponding path program 1 times [2020-09-25 11:53:34,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:53:34,761 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [876860735] [2020-09-25 11:53:34,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:53:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:35,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:35,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:36,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:36,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-09-25 11:53:36,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:53:36,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1491 [2020-09-25 11:53:36,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:36,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:36,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:53:36,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-09-25 11:53:36,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-25 11:53:36,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:37,405 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-09-25 11:53:37,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:53:37,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:37,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:37,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:37,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-25 11:53:37,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:37,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 530 [2020-09-25 11:53:37,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:37,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:37,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:53:37,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:37,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:53:37,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:38,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 11:53:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:38,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:38,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:38,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:53:38,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:38,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 195 [2020-09-25 11:53:38,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:38,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:38,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:53:38,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:38,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:53:38,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:38,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-25 11:53:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:38,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:38,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:38,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 11:53:38,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:38,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 200 [2020-09-25 11:53:38,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:38,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:38,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:53:38,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:38,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 11:53:38,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:38,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:53:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:38,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:38,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:38,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 11:53:38,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:38,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-25 11:53:38,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:38,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:38,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:53:38,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:38,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:53:38,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:38,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:53:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:38,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:38,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:38,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:53:38,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:38,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-25 11:53:38,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:38,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:38,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:53:38,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:38,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:53:38,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:39,036 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 11:53:39,036 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [876860735] [2020-09-25 11:53:39,037 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:53:39,037 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 11:53:39,037 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107087519] [2020-09-25 11:53:39,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 11:53:39,038 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:53:39,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 11:53:39,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 11:53:39,039 INFO L87 Difference]: Start difference. First operand 879 states and 946 transitions. Second operand 6 states. [2020-09-25 11:53:40,482 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-09-25 11:53:43,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:53:43,964 INFO L93 Difference]: Finished difference Result 1027 states and 1127 transitions. [2020-09-25 11:53:43,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 11:53:43,965 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 194 [2020-09-25 11:53:43,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:53:43,967 INFO L225 Difference]: With dead ends: 1027 [2020-09-25 11:53:43,967 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 11:53:43,972 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 11:53:43,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 11:53:43,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 11:53:43,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 11:53:43,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 11:53:43,973 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 194 [2020-09-25 11:53:43,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:53:43,974 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 11:53:43,974 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 11:53:43,974 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 11:53:43,974 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 11:53:43,974 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 11:53:43,976 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 11:53:44,504 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 11:53:44,963 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 11:53:45,405 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 11:53:45,835 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 11:53:46,264 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 11:53:46,716 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 11:53:47,151 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 11:53:47,578 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 11:53:48,005 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 11:53:48,434 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 11:53:48,862 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 11:53:49,293 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 11:53:49,713 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 11:53:50,127 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 11:53:50,529 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 11:53:50,931 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 11:53:51,415 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 11:53:51,844 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 11:53:52,281 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 11:53:52,707 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 11:53:53,133 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 11:53:53,559 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 11:53:53,986 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 11:53:54,412 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 11:53:54,839 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 11:53:55,268 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 320