/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=LOWLEXORDER --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 [2020-09-24 22:19:32,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 22:19:32,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 22:19:32,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 22:19:32,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 22:19:32,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 22:19:32,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 22:19:32,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 22:19:32,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 22:19:32,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 22:19:32,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 22:19:32,331 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 22:19:32,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 22:19:32,332 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 22:19:32,333 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 22:19:32,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 22:19:32,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 22:19:32,337 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 22:19:32,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 22:19:32,341 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 22:19:32,342 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 22:19:32,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 22:19:32,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 22:19:32,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 22:19:32,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 22:19:32,349 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 22:19:32,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 22:19:32,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 22:19:32,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 22:19:32,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 22:19:32,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 22:19:32,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 22:19:32,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 22:19:32,354 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 22:19:32,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 22:19:32,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 22:19:32,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 22:19:32,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 22:19:32,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 22:19:32,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 22:19:32,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 22:19:32,360 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 [2020-09-24 22:19:32,386 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 22:19:32,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 22:19:32,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 22:19:32,388 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 22:19:32,388 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 22:19:32,388 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 22:19:32,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 22:19:32,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 22:19:32,389 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 22:19:32,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 22:19:32,389 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 22:19:32,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 22:19:32,390 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 22:19:32,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 22:19:32,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 22:19:32,390 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 22:19:32,391 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 22:19:32,391 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 22:19:32,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 22:19:32,391 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 22:19:32,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 22:19:32,395 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 22:19:32,395 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 22:19:32,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 22:19:32,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 22:19:32,396 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 22:19:32,396 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-24 22:19:32,396 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=LOWLEXORDER;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=LOWLEXORDER;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=LOWLEXORDER;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=LOWLEXORDER;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=LOWLEXORDER;log-additional-information=true; [2020-09-24 22:19:32,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 22:19:32,895 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 22:19:32,899 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 22:19:32,901 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 22:19:32,901 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 22:19:32,903 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2020-09-24 22:19:32,977 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/091245b38/484a384a81a04bbfbf3a937e288ee014/FLAG7d218de29 [2020-09-24 22:19:33,769 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 22:19:33,770 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2020-09-24 22:19:33,811 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/091245b38/484a384a81a04bbfbf3a937e288ee014/FLAG7d218de29 [2020-09-24 22:19:34,321 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/091245b38/484a384a81a04bbfbf3a937e288ee014 [2020-09-24 22:19:34,338 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 22:19:34,346 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 22:19:34,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 22:19:34,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 22:19:34,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 22:19:34,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:19:34" (1/1) ... [2020-09-24 22:19:34,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c23f4f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:19:34, skipping insertion in model container [2020-09-24 22:19:34,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:19:34" (1/1) ... [2020-09-24 22:19:34,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 22:19:34,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 22:19:36,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:19:36,218 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 22:19:36,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:19:37,103 INFO L208 MainTranslator]: Completed translation [2020-09-24 22:19:37,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:19:37 WrapperNode [2020-09-24 22:19:37,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 22:19:37,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 22:19:37,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 22:19:37,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 22:19:37,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:19:37" (1/1) ... [2020-09-24 22:19:37,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:19:37" (1/1) ... [2020-09-24 22:19:37,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:19:37" (1/1) ... [2020-09-24 22:19:37,215 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:19:37" (1/1) ... [2020-09-24 22:19:37,674 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:19:37" (1/1) ... [2020-09-24 22:19:37,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:19:37" (1/1) ... [2020-09-24 22:19:37,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:19:37" (1/1) ... [2020-09-24 22:19:37,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 22:19:37,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 22:19:37,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 22:19:37,786 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 22:19:37,787 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:19:37" (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 [2020-09-24 22:19:37,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 22:19:37,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 22:19:37,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-09-24 22:19:37,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2020-09-24 22:19:37,920 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-09-24 22:19:37,920 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-09-24 22:19:37,922 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-09-24 22:19:37,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-09-24 22:19:37,925 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-09-24 22:19:37,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-09-24 22:19:37,927 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2020-09-24 22:19:37,927 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2020-09-24 22:19:37,927 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2020-09-24 22:19:37,927 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2020-09-24 22:19:37,927 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2020-09-24 22:19:37,928 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2020-09-24 22:19:37,928 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2020-09-24 22:19:37,932 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2020-09-24 22:19:37,933 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_readwrite_dw [2020-09-24 22:19:37,933 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_v8_memory_req [2020-09-24 22:19:37,933 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_memory_req [2020-09-24 22:19:37,933 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_get_mac_addr [2020-09-24 22:19:37,934 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_i2c_req [2020-09-24 22:19:37,934 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_read_ibi_reg [2020-09-24 22:19:37,934 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_write_ibi_reg [2020-09-24 22:19:37,935 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_i2c_request [2020-09-24 22:19:37,935 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_process_frame [2020-09-24 22:19:37,935 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_urb_complete [2020-09-24 22:19:37,935 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_stream_control [2020-09-24 22:19:37,936 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_exit [2020-09-24 22:19:37,936 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_init [2020-09-24 22:19:37,936 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_init [2020-09-24 22:19:37,936 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_exit [2020-09-24 22:19:37,937 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_probe [2020-09-24 22:19:37,937 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_disconnect [2020-09-24 22:19:37,937 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_driver_init [2020-09-24 22:19:37,937 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_driver_exit [2020-09-24 22:19:37,938 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 22:19:37,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-09-24 22:19:37,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-09-24 22:19:37,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-09-24 22:19:37,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-09-24 22:19:37,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-09-24 22:19:37,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-09-24 22:19:37,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-09-24 22:19:37,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_8 [2020-09-24 22:19:37,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_9 [2020-09-24 22:19:37,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-24 22:19:37,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-24 22:19:37,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-24 22:19:37,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-24 22:19:37,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-24 22:19:37,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-24 22:19:37,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-24 22:19:37,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-24 22:19:37,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-24 22:19:37,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-24 22:19:37,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-09-24 22:19:37,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-09-24 22:19:37,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-09-24 22:19:37,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-09-24 22:19:37,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-24 22:19:37,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-09-24 22:19:37,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-09-24 22:19:37,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-24 22:19:37,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-24 22:19:37,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-09-24 22:19:37,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-09-24 22:19:37,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-24 22:19:37,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-24 22:19:37,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-09-24 22:19:37,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-24 22:19:37,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-24 22:19:37,949 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2020-09-24 22:19:37,950 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2020-09-24 22:19:37,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-24 22:19:37,951 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-24 22:19:37,951 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-24 22:19:37,952 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_exit [2020-09-24 22:19:37,952 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_initialize [2020-09-24 22:19:37,952 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kfree [2020-09-24 22:19:37,952 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kmalloc [2020-09-24 22:19:37,953 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_pass_dmx_packets [2020-09-24 22:19:37,953 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_sram_ctrl [2020-09-24 22:19:37,954 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_sram_set_dest [2020-09-24 22:19:37,955 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_wan_set_speed [2020-09-24 22:19:37,955 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-09-24 22:19:37,955 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-09-24 22:19:37,956 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-09-24 22:19:37,956 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-24 22:19:37,956 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-09-24 22:19:37,956 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-09-24 22:19:37,957 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-09-24 22:19:37,957 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-09-24 22:19:37,957 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-09-24 22:19:37,957 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-09-24 22:19:37,957 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-09-24 22:19:37,958 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-09-24 22:19:37,958 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-09-24 22:19:37,958 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-24 22:19:37,959 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-24 22:19:37,959 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-09-24 22:19:37,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 22:19:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-24 22:19:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-24 22:19:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-24 22:19:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-09-24 22:19:37,961 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-09-24 22:19:37,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 22:19:37,961 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-09-24 22:19:37,961 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-09-24 22:19:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-09-24 22:19:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-09-24 22:19:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-09-24 22:19:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-09-24 22:19:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-09-24 22:19:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-09-24 22:19:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-09-24 22:19:37,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-09-24 22:19:37,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-09-24 22:19:37,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-24 22:19:37,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-24 22:19:37,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-09-24 22:19:37,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-09-24 22:19:37,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-09-24 22:19:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-09-24 22:19:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-09-24 22:19:37,967 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 22:19:37,968 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-24 22:19:37,969 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-24 22:19:37,974 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-09-24 22:19:37,974 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-09-24 22:19:37,975 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-09-24 22:19:37,975 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-09-24 22:19:37,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_8 [2020-09-24 22:19:37,975 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-09-24 22:19:37,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_9 [2020-09-24 22:19:37,977 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-09-24 22:19:37,977 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-09-24 22:19:37,977 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-09-24 22:19:37,977 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-09-24 22:19:37,977 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-09-24 22:19:37,978 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-09-24 22:19:37,978 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-09-24 22:19:37,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 22:19:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2020-09-24 22:19:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2020-09-24 22:19:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2020-09-24 22:19:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2020-09-24 22:19:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2020-09-24 22:19:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2020-09-24 22:19:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2020-09-24 22:19:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-09-24 22:19:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2020-09-24 22:19:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 22:19:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2020-09-24 22:19:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2020-09-24 22:19:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2020-09-24 22:19:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_pass_dmx_packets [2020-09-24 22:19:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kmalloc [2020-09-24 22:19:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kfree [2020-09-24 22:19:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_initialize [2020-09-24 22:19:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_exit [2020-09-24 22:19:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_sram_set_dest [2020-09-24 22:19:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_wan_set_speed [2020-09-24 22:19:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_sram_ctrl [2020-09-24 22:19:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_readwrite_dw [2020-09-24 22:19:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_v8_memory_req [2020-09-24 22:19:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_memory_req [2020-09-24 22:19:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_get_mac_addr [2020-09-24 22:19:37,993 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_i2c_req [2020-09-24 22:19:37,993 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_read_ibi_reg [2020-09-24 22:19:37,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 22:19:37,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 22:19:37,993 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_write_ibi_reg [2020-09-24 22:19:37,993 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_i2c_request [2020-09-24 22:19:37,994 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-09-24 22:19:37,994 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_process_frame [2020-09-24 22:19:37,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-09-24 22:19:37,994 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_urb_complete [2020-09-24 22:19:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_stream_control [2020-09-24 22:19:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_exit [2020-09-24 22:19:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_init [2020-09-24 22:19:37,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 22:19:37,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-24 22:19:37,996 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_init [2020-09-24 22:19:37,997 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_exit [2020-09-24 22:19:37,997 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_probe [2020-09-24 22:19:37,997 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_disconnect [2020-09-24 22:19:37,997 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_driver_init [2020-09-24 22:19:37,998 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_driver_exit [2020-09-24 22:19:37,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-24 22:19:37,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-24 22:19:37,998 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 22:19:37,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-24 22:19:37,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-24 22:19:37,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-24 22:19:37,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-24 22:19:37,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-24 22:19:38,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-24 22:19:38,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-24 22:19:38,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-09-24 22:19:38,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-09-24 22:19:38,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-09-24 22:19:38,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-24 22:19:38,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-09-24 22:19:38,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-24 22:19:38,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-24 22:19:38,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-24 22:19:38,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-24 22:19:38,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-09-24 22:19:38,003 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 22:19:38,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-24 22:19:38,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 22:19:38,003 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 22:19:38,004 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-24 22:19:38,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 22:19:38,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 22:19:38,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 22:19:38,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 22:19:38,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-24 22:19:38,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-24 22:19:38,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-24 22:19:38,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-24 22:19:43,081 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 22:19:43,081 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 22:19:43,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:19:43 BoogieIcfgContainer [2020-09-24 22:19:43,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 22:19:43,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 22:19:43,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 22:19:43,102 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 22:19:43,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 10:19:34" (1/3) ... [2020-09-24 22:19:43,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@591aa494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:19:43, skipping insertion in model container [2020-09-24 22:19:43,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:19:37" (2/3) ... [2020-09-24 22:19:43,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@591aa494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:19:43, skipping insertion in model container [2020-09-24 22:19:43,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:19:43" (3/3) ... [2020-09-24 22:19:43,107 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2020-09-24 22:19:43,124 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 22:19:43,139 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 22:19:43,169 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 22:19:43,216 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 22:19:43,217 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 22:19:43,217 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 22:19:43,217 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 22:19:43,217 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 22:19:43,218 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 22:19:43,282 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 22:19:43,282 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 22:19:43,353 INFO L276 IsEmpty]: Start isEmpty. Operand 2184 states. [2020-09-24 22:19:43,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-24 22:19:43,374 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:19:43,376 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] [2020-09-24 22:19:43,376 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:19:43,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:19:43,387 INFO L82 PathProgramCache]: Analyzing trace with hash 2037642771, now seen corresponding path program 1 times [2020-09-24 22:19:43,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:19:43,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1543429535] [2020-09-24 22:19:43,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:19:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:19:44,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:19:45,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:19:46,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:19:46,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-24 22:19:46,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:19:46,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2130 [2020-09-24 22:19:46,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:19:46,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:19:46,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 162 [2020-09-24 22:19:46,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 22:19:46,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 22:19:47,555 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-09-24 22:19:47,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:19:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:19:47,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:19:48,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:19:48,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-24 22:19:48,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:19:48,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 473 [2020-09-24 22:19:48,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:19:48,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:19:48,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:19:48,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:19:48,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:19:48,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-24 22:19:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:19:48,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:19:48,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:19:48,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:19:48,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:19:48,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 229 [2020-09-24 22:19:48,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:19:48,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:19:48,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:19:48,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 22:19:48,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:19:48,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-24 22:19:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:19:48,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:19:48,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:19:48,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 22:19:48,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:19:48,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-09-24 22:19:48,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:19:48,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:19:48,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:19:48,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 22:19:48,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:19:48,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:19:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:19:49,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:19:49,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:19:49,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-24 22:19:49,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:19:49,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-09-24 22:19:49,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:19:49,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:19:49,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:19:49,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:19:49,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:19:49,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:19:49,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:19:49,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:19:49,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:19:49,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:19:49,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:19:49,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-24 22:19:49,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:19:49,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:19:49,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:19:49,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:19:49,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:19:49,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:19:49,399 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1543429535] [2020-09-24 22:19:49,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:19:49,402 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 22:19:49,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461585132] [2020-09-24 22:19:49,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 22:19:49,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:19:49,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 22:19:49,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 22:19:49,431 INFO L87 Difference]: Start difference. First operand 2184 states. Second operand 6 states. [2020-09-24 22:19:51,171 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-09-24 22:19:55,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:19:55,353 INFO L93 Difference]: Finished difference Result 1052 states and 1161 transitions. [2020-09-24 22:19:55,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 22:19:55,355 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 192 [2020-09-24 22:19:55,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:19:55,389 INFO L225 Difference]: With dead ends: 1052 [2020-09-24 22:19:55,389 INFO L226 Difference]: Without dead ends: 1028 [2020-09-24 22:19:55,394 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 [2020-09-24 22:19:55,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2020-09-24 22:19:55,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 880. [2020-09-24 22:19:55,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 880 states. [2020-09-24 22:19:55,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 948 transitions. [2020-09-24 22:19:55,598 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 948 transitions. Word has length 192 [2020-09-24 22:19:55,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:19:55,599 INFO L479 AbstractCegarLoop]: Abstraction has 880 states and 948 transitions. [2020-09-24 22:19:55,599 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 22:19:55,599 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 948 transitions. [2020-09-24 22:19:55,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-09-24 22:19:55,604 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:19:55,604 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] [2020-09-24 22:19:55,605 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 22:19:55,605 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:19:55,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:19:55,605 INFO L82 PathProgramCache]: Analyzing trace with hash -1258462011, now seen corresponding path program 1 times [2020-09-24 22:19:55,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:19:55,606 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1734817895] [2020-09-24 22:19:55,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:19:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:19:55,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:19:56,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:19:57,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:19:57,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-09-24 22:19:57,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:19:57,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1750 [2020-09-24 22:19:57,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:19:57,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:19:57,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 163 [2020-09-24 22:19:57,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 22:19:57,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:19:58,672 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-09-24 22:19:58,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:19:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:19:58,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:19:59,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:19:59,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-24 22:19:59,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:19:59,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 411 [2020-09-24 22:19:59,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:19:59,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:19:59,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:19:59,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:19:59,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:19:59,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-24 22:19:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:19:59,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:19:59,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:19:59,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:19:59,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:19:59,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-09-24 22:19:59,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:19:59,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:19:59,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:19:59,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 22:19:59,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:19:59,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-24 22:19:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:19:59,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:19:59,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:19:59,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 22:19:59,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:19:59,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-09-24 22:19:59,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:19:59,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:19:59,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:19:59,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 22:19:59,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:19:59,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:19:59,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:19:59,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:19:59,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:19:59,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-24 22:19:59,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:19:59,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-09-24 22:19:59,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:19:59,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:19:59,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:19:59,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:19:59,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:19:59,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:19:59,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:19:59,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:19:59,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:19:59,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:19:59,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:19:59,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-24 22:19:59,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:19:59,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:19:59,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:19:59,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:19:59,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:20:00,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:20:00,067 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1734817895] [2020-09-24 22:20:00,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:20:00,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 22:20:00,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068967051] [2020-09-24 22:20:00,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 22:20:00,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:20:00,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 22:20:00,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 22:20:00,074 INFO L87 Difference]: Start difference. First operand 880 states and 948 transitions. Second operand 6 states. [2020-09-24 22:20:01,791 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-09-24 22:20:05,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:20:05,775 INFO L93 Difference]: Finished difference Result 1030 states and 1130 transitions. [2020-09-24 22:20:05,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 22:20:05,778 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 193 [2020-09-24 22:20:05,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:20:05,784 INFO L225 Difference]: With dead ends: 1030 [2020-09-24 22:20:05,785 INFO L226 Difference]: Without dead ends: 1027 [2020-09-24 22:20:05,787 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 22:20:05,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2020-09-24 22:20:05,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 879. [2020-09-24 22:20:05,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 879 states. [2020-09-24 22:20:05,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 946 transitions. [2020-09-24 22:20:05,886 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 946 transitions. Word has length 193 [2020-09-24 22:20:05,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:20:05,887 INFO L479 AbstractCegarLoop]: Abstraction has 879 states and 946 transitions. [2020-09-24 22:20:05,887 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 22:20:05,887 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 946 transitions. [2020-09-24 22:20:05,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-09-24 22:20:05,889 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:20:05,890 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] [2020-09-24 22:20:05,890 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 22:20:05,890 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:20:05,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:20:05,891 INFO L82 PathProgramCache]: Analyzing trace with hash -358490282, now seen corresponding path program 1 times [2020-09-24 22:20:05,891 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:20:05,891 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1025800811] [2020-09-24 22:20:05,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:20:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:06,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:06,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:07,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:07,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-09-24 22:20:07,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:20:07,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1484 [2020-09-24 22:20:07,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:07,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:20:07,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-09-24 22:20:07,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 22:20:07,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:20:08,947 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 316 [2020-09-24 22:20:08,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:20:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:09,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:09,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:09,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-24 22:20:09,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:20:09,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 416 [2020-09-24 22:20:09,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:09,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:20:09,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:20:09,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:20:09,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:20:09,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-24 22:20:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:09,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:09,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:09,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:20:09,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:20:09,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-09-24 22:20:09,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:09,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:20:09,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:20:09,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 22:20:09,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:20:09,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-24 22:20:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:09,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:09,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:09,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 22:20:09,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:20:09,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-09-24 22:20:09,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:09,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:20:09,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:20:09,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 22:20:09,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:20:10,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:20:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:10,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:10,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:10,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-24 22:20:10,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:20:10,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-09-24 22:20:10,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:10,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:20:10,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:20:10,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:20:10,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:20:10,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:20:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:10,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:10,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:10,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:20:10,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:20:10,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-24 22:20:10,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:10,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:20:10,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:20:10,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:20:10,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:20:10,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 22:20:10,383 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1025800811] [2020-09-24 22:20:10,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:20:10,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 22:20:10,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432509615] [2020-09-24 22:20:10,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 22:20:10,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:20:10,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 22:20:10,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 22:20:10,386 INFO L87 Difference]: Start difference. First operand 879 states and 946 transitions. Second operand 6 states. [2020-09-24 22:20:12,039 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-09-24 22:20:15,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:20:15,868 INFO L93 Difference]: Finished difference Result 1027 states and 1127 transitions. [2020-09-24 22:20:15,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 22:20:15,872 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 194 [2020-09-24 22:20:15,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:20:15,873 INFO L225 Difference]: With dead ends: 1027 [2020-09-24 22:20:15,873 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 22:20:15,881 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 22:20:15,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 22:20:15,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 22:20:15,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 22:20:15,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 22:20:15,882 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 194 [2020-09-24 22:20:15,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:20:15,883 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 22:20:15,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 22:20:15,883 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 22:20:15,883 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 22:20:15,883 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 22:20:15,886 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 22:20:16,380 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-24 22:20:16,826 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-24 22:20:17,276 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-24 22:20:17,710 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-24 22:20:18,155 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-24 22:20:18,584 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-24 22:20:19,013 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-24 22:20:19,440 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-24 22:20:19,870 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-24 22:20:20,296 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-24 22:20:20,729 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-24 22:20:21,156 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-24 22:20:21,595 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-24 22:20:22,002 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-24 22:20:22,401 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-24 22:20:22,800 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-24 22:20:23,231 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-24 22:20:23,660 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-24 22:20:24,087 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-24 22:20:24,513 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 320