/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=0.4 --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 14:08:05,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:08:05,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:08:05,669 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:08:05,669 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:08:05,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:08:05,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:08:05,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:08:05,675 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:08:05,676 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:08:05,677 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:08:05,678 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:08:05,679 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:08:05,680 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:08:05,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:08:05,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:08:05,683 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:08:05,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:08:05,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:08:05,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:08:05,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:08:05,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:08:05,697 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:08:05,698 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:08:05,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:08:05,701 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:08:05,701 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:08:05,702 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:08:05,703 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:08:05,704 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:08:05,704 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:08:05,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:08:05,706 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:08:05,707 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:08:05,708 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:08:05,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:08:05,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:08:05,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:08:05,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:08:05,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:08:05,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:08:05,713 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 14:08:05,741 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:08:05,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:08:05,742 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:08:05,743 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:08:05,743 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:08:05,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:08:05,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:08:05,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:08:05,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:08:05,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:08:05,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:08:05,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:08:05,745 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:08:05,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:08:05,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:08:05,745 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:08:05,746 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:08:05,746 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:08:05,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:08:05,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:08:05,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:08:05,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:08:05,747 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:08:05,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:08:05,747 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:08:05,748 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:08:05,748 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 14:08:05,748 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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;log-additional-information=true; [2020-09-25 14:08:06,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:08:06,279 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:08:06,283 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:08:06,286 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:08:06,287 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:08:06,288 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2020-09-25 14:08:06,392 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/869b83d1f/1bda478e8f724ed6bce252cddc209f25/FLAGa52c1cc36 [2020-09-25 14:08:07,290 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:08:07,291 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2020-09-25 14:08:07,344 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/869b83d1f/1bda478e8f724ed6bce252cddc209f25/FLAGa52c1cc36 [2020-09-25 14:08:07,813 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/869b83d1f/1bda478e8f724ed6bce252cddc209f25 [2020-09-25 14:08:07,826 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:08:07,835 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:08:07,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:08:07,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:08:07,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:08:07,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:08:07" (1/1) ... [2020-09-25 14:08:07,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a71a4e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:07, skipping insertion in model container [2020-09-25 14:08:07,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:08:07" (1/1) ... [2020-09-25 14:08:07,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:08:08,004 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:08:09,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:08:09,867 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:08:10,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:08:10,602 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:08:10,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:10 WrapperNode [2020-09-25 14:08:10,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:08:10,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:08:10,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:08:10,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:08:10,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:10" (1/1) ... [2020-09-25 14:08:10,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:10" (1/1) ... [2020-09-25 14:08:10,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:10" (1/1) ... [2020-09-25 14:08:10,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:10" (1/1) ... [2020-09-25 14:08:11,158 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:10" (1/1) ... [2020-09-25 14:08:11,188 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:10" (1/1) ... [2020-09-25 14:08:11,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:10" (1/1) ... [2020-09-25 14:08:11,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:08:11,267 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:08:11,268 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:08:11,268 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:08:11,269 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:10" (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 14:08:11,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:08:11,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:08:11,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-09-25 14:08:11,367 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 14:08:11,367 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-09-25 14:08:11,367 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-09-25 14:08:11,368 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-09-25 14:08:11,369 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-09-25 14:08:11,370 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-09-25 14:08:11,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-09-25 14:08:11,372 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2020-09-25 14:08:11,372 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2020-09-25 14:08:11,373 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2020-09-25 14:08:11,373 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2020-09-25 14:08:11,373 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2020-09-25 14:08:11,373 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2020-09-25 14:08:11,374 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2020-09-25 14:08:11,380 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2020-09-25 14:08:11,380 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_readwrite_dw [2020-09-25 14:08:11,380 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_v8_memory_req [2020-09-25 14:08:11,381 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_memory_req [2020-09-25 14:08:11,381 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_get_mac_addr [2020-09-25 14:08:11,381 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_i2c_req [2020-09-25 14:08:11,381 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_read_ibi_reg [2020-09-25 14:08:11,381 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_write_ibi_reg [2020-09-25 14:08:11,382 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_i2c_request [2020-09-25 14:08:11,382 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_process_frame [2020-09-25 14:08:11,382 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_urb_complete [2020-09-25 14:08:11,382 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_stream_control [2020-09-25 14:08:11,383 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_exit [2020-09-25 14:08:11,383 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_init [2020-09-25 14:08:11,383 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_init [2020-09-25 14:08:11,383 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_exit [2020-09-25 14:08:11,383 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_probe [2020-09-25 14:08:11,384 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_disconnect [2020-09-25 14:08:11,384 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_driver_init [2020-09-25 14:08:11,384 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_driver_exit [2020-09-25 14:08:11,384 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:08:11,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-09-25 14:08:11,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-09-25 14:08:11,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-09-25 14:08:11,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-09-25 14:08:11,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-09-25 14:08:11,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-09-25 14:08:11,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-09-25 14:08:11,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_8 [2020-09-25 14:08:11,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_9 [2020-09-25 14:08:11,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 14:08:11,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 14:08:11,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 14:08:11,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-25 14:08:11,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-25 14:08:11,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 14:08:11,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-25 14:08:11,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 14:08:11,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-25 14:08:11,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-25 14:08:11,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-09-25 14:08:11,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-09-25 14:08:11,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-09-25 14:08:11,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-09-25 14:08:11,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-25 14:08:11,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-09-25 14:08:11,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-09-25 14:08:11,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-25 14:08:11,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-25 14:08:11,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-09-25 14:08:11,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-09-25 14:08:11,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-25 14:08:11,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-25 14:08:11,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-09-25 14:08:11,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 14:08:11,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 14:08:11,394 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2020-09-25 14:08:11,395 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2020-09-25 14:08:11,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 14:08:11,395 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-25 14:08:11,395 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 14:08:11,396 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_exit [2020-09-25 14:08:11,396 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_initialize [2020-09-25 14:08:11,396 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kfree [2020-09-25 14:08:11,396 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kmalloc [2020-09-25 14:08:11,397 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_pass_dmx_packets [2020-09-25 14:08:11,398 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_sram_ctrl [2020-09-25 14:08:11,398 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_sram_set_dest [2020-09-25 14:08:11,398 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_wan_set_speed [2020-09-25 14:08:11,398 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-09-25 14:08:11,398 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-09-25 14:08:11,399 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-09-25 14:08:11,399 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-25 14:08:11,399 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-09-25 14:08:11,399 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-09-25 14:08:11,399 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-09-25 14:08:11,400 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-09-25 14:08:11,400 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-09-25 14:08:11,400 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-09-25 14:08:11,401 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-09-25 14:08:11,401 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-09-25 14:08:11,401 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-09-25 14:08:11,402 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 14:08:11,402 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-25 14:08:11,403 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-09-25 14:08:11,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:08:11,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 14:08:11,403 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-25 14:08:11,403 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-25 14:08:11,403 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-09-25 14:08:11,404 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-09-25 14:08:11,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 14:08:11,404 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-09-25 14:08:11,404 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-09-25 14:08:11,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-09-25 14:08:11,405 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-09-25 14:08:11,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-09-25 14:08:11,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-09-25 14:08:11,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-09-25 14:08:11,405 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-09-25 14:08:11,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-09-25 14:08:11,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-09-25 14:08:11,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-09-25 14:08:11,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 14:08:11,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-25 14:08:11,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-09-25 14:08:11,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-09-25 14:08:11,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-09-25 14:08:11,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-09-25 14:08:11,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-09-25 14:08:11,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 14:08:11,410 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-25 14:08:11,414 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 14:08:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-09-25 14:08:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-09-25 14:08:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-09-25 14:08:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-09-25 14:08:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_8 [2020-09-25 14:08:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-09-25 14:08:11,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_9 [2020-09-25 14:08:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-09-25 14:08:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-09-25 14:08:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-09-25 14:08:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-09-25 14:08:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-09-25 14:08:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-09-25 14:08:11,419 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-09-25 14:08:11,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 14:08:11,426 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2020-09-25 14:08:11,426 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2020-09-25 14:08:11,426 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2020-09-25 14:08:11,426 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2020-09-25 14:08:11,427 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2020-09-25 14:08:11,427 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2020-09-25 14:08:11,427 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2020-09-25 14:08:11,427 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-09-25 14:08:11,427 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2020-09-25 14:08:11,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 14:08:11,429 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 14:08:11,430 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2020-09-25 14:08:11,430 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2020-09-25 14:08:11,430 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_pass_dmx_packets [2020-09-25 14:08:11,430 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kmalloc [2020-09-25 14:08:11,431 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kfree [2020-09-25 14:08:11,431 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_initialize [2020-09-25 14:08:11,431 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_exit [2020-09-25 14:08:11,431 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_sram_set_dest [2020-09-25 14:08:11,431 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_wan_set_speed [2020-09-25 14:08:11,431 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_sram_ctrl [2020-09-25 14:08:11,432 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_readwrite_dw [2020-09-25 14:08:11,432 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_v8_memory_req [2020-09-25 14:08:11,432 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_memory_req [2020-09-25 14:08:11,432 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_get_mac_addr [2020-09-25 14:08:11,432 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_i2c_req [2020-09-25 14:08:11,433 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_read_ibi_reg [2020-09-25 14:08:11,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 14:08:11,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 14:08:11,433 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_write_ibi_reg [2020-09-25 14:08:11,433 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_i2c_request [2020-09-25 14:08:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-09-25 14:08:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_process_frame [2020-09-25 14:08:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-09-25 14:08:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_urb_complete [2020-09-25 14:08:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_stream_control [2020-09-25 14:08:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_exit [2020-09-25 14:08:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_init [2020-09-25 14:08:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 14:08:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-25 14:08:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_init [2020-09-25 14:08:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_exit [2020-09-25 14:08:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_probe [2020-09-25 14:08:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_disconnect [2020-09-25 14:08:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_driver_init [2020-09-25 14:08:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_driver_exit [2020-09-25 14:08:11,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 14:08:11,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 14:08:11,437 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:08:11,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 14:08:11,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 14:08:11,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-25 14:08:11,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-25 14:08:11,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-25 14:08:11,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 14:08:11,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-25 14:08:11,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-09-25 14:08:11,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-09-25 14:08:11,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-09-25 14:08:11,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-25 14:08:11,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-09-25 14:08:11,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-25 14:08:11,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-25 14:08:11,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-25 14:08:11,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-25 14:08:11,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-09-25 14:08:11,439 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 14:08:11,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 14:08:11,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 14:08:11,440 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 14:08:11,440 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 14:08:11,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:08:11,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 14:08:11,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 14:08:11,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:08:11,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-25 14:08:11,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-25 14:08:11,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-25 14:08:11,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-25 14:08:15,838 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:08:15,839 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 14:08:15,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:08:15 BoogieIcfgContainer [2020-09-25 14:08:15,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:08:15,854 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:08:15,854 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:08:15,858 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:08:15,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:08:07" (1/3) ... [2020-09-25 14:08:15,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434000af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:08:15, skipping insertion in model container [2020-09-25 14:08:15,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:08:10" (2/3) ... [2020-09-25 14:08:15,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434000af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:08:15, skipping insertion in model container [2020-09-25 14:08:15,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:08:15" (3/3) ... [2020-09-25 14:08:15,862 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 14:08:15,874 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:08:15,886 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 14:08:15,906 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 14:08:15,940 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:08:15,941 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:08:15,941 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:08:15,941 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:08:15,941 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:08:15,941 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:08:15,941 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:08:15,941 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:08:15,993 INFO L276 IsEmpty]: Start isEmpty. Operand 2184 states. [2020-09-25 14:08:16,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-25 14:08:16,012 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:08:16,013 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 14:08:16,014 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:08:16,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:08:16,022 INFO L82 PathProgramCache]: Analyzing trace with hash 2037642771, now seen corresponding path program 1 times [2020-09-25 14:08:16,031 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:08:16,031 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1482004468] [2020-09-25 14:08:16,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:08:16,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:17,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:18,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:19,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:19,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 14:08:19,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:08:19,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2731 [2020-09-25 14:08:19,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:19,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:19,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:08:19,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 162 [2020-09-25 14:08:19,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-25 14:08:19,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 14:08:20,667 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-09-25 14:08:20,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:08:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:20,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:21,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:21,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-25 14:08:21,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:21,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 525 [2020-09-25 14:08:21,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:21,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:21,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:08:21,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:21,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:08:21,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:21,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 14:08:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:21,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:21,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:21,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:08:21,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:21,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 250 [2020-09-25 14:08:21,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:21,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:21,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:08:21,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:21,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 14:08:21,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:21,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-25 14:08:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:21,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:22,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:22,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 14:08:22,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:22,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-09-25 14:08:22,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:22,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:22,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:08:22,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:22,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 14:08:22,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:22,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:08:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:22,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:22,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:22,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 14:08:22,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:22,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-09-25 14:08:22,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:22,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:22,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:08:22,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:22,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:08:22,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:22,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:08:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:22,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:22,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:22,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:08:22,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:22,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-25 14:08:22,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:22,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:22,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:08:22,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:22,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:08:22,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:22,659 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 14:08:22,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1482004468] [2020-09-25 14:08:22,662 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:08:22,662 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 14:08:22,663 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319755819] [2020-09-25 14:08:22,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 14:08:22,673 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:08:22,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 14:08:22,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 14:08:22,698 INFO L87 Difference]: Start difference. First operand 2184 states. Second operand 6 states. [2020-09-25 14:08:24,375 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-09-25 14:08:28,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:08:28,403 INFO L93 Difference]: Finished difference Result 1052 states and 1161 transitions. [2020-09-25 14:08:28,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 14:08:28,406 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 192 [2020-09-25 14:08:28,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:08:28,435 INFO L225 Difference]: With dead ends: 1052 [2020-09-25 14:08:28,435 INFO L226 Difference]: Without dead ends: 1028 [2020-09-25 14:08:28,441 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 14:08:28,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2020-09-25 14:08:28,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 880. [2020-09-25 14:08:28,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 880 states. [2020-09-25 14:08:28,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 948 transitions. [2020-09-25 14:08:28,648 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 948 transitions. Word has length 192 [2020-09-25 14:08:28,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:08:28,649 INFO L479 AbstractCegarLoop]: Abstraction has 880 states and 948 transitions. [2020-09-25 14:08:28,650 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 14:08:28,650 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 948 transitions. [2020-09-25 14:08:28,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-09-25 14:08:28,655 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:08:28,655 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 14:08:28,656 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:08:28,656 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:08:28,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:08:28,656 INFO L82 PathProgramCache]: Analyzing trace with hash -1258462011, now seen corresponding path program 1 times [2020-09-25 14:08:28,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:08:28,657 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1831582212] [2020-09-25 14:08:28,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:08:28,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:28,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:29,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:30,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:30,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-09-25 14:08:30,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:08:30,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1674 [2020-09-25 14:08:30,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:30,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:30,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:08:30,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 163 [2020-09-25 14:08:30,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-25 14:08:30,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:31,767 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-09-25 14:08:31,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:08:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:31,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:32,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:32,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-25 14:08:32,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:32,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 439 [2020-09-25 14:08:32,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:32,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:32,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:08:32,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:32,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:08:32,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:32,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 14:08:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:32,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:32,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:32,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:08:32,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:32,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 219 [2020-09-25 14:08:32,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:32,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:32,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:08:32,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:32,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 14:08:32,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:32,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-25 14:08:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:32,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:32,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:32,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 14:08:32,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:32,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 186 [2020-09-25 14:08:32,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:32,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:32,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:08:32,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:32,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 14:08:32,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:33,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:08:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:33,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:33,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:33,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 14:08:33,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:33,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-09-25 14:08:33,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:33,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:33,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:08:33,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:33,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:08:33,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:33,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:08:33,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:33,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:33,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:33,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:08:33,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:33,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-25 14:08:33,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:33,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:33,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:08:33,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:33,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:08:33,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:33,341 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 14:08:33,342 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1831582212] [2020-09-25 14:08:33,342 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:08:33,343 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 14:08:33,343 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041042237] [2020-09-25 14:08:33,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 14:08:33,345 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:08:33,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 14:08:33,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 14:08:33,346 INFO L87 Difference]: Start difference. First operand 880 states and 948 transitions. Second operand 6 states. [2020-09-25 14:08:34,941 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-09-25 14:08:38,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:08:38,533 INFO L93 Difference]: Finished difference Result 1030 states and 1130 transitions. [2020-09-25 14:08:38,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 14:08:38,534 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 193 [2020-09-25 14:08:38,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:08:38,542 INFO L225 Difference]: With dead ends: 1030 [2020-09-25 14:08:38,542 INFO L226 Difference]: Without dead ends: 1027 [2020-09-25 14:08:38,545 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 14:08:38,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2020-09-25 14:08:38,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 879. [2020-09-25 14:08:38,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 879 states. [2020-09-25 14:08:38,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 946 transitions. [2020-09-25 14:08:38,716 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 946 transitions. Word has length 193 [2020-09-25 14:08:38,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:08:38,717 INFO L479 AbstractCegarLoop]: Abstraction has 879 states and 946 transitions. [2020-09-25 14:08:38,717 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 14:08:38,717 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 946 transitions. [2020-09-25 14:08:38,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-09-25 14:08:38,720 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:08:38,721 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 14:08:38,721 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 14:08:38,721 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:08:38,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:08:38,722 INFO L82 PathProgramCache]: Analyzing trace with hash -358490282, now seen corresponding path program 1 times [2020-09-25 14:08:38,722 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:08:38,722 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [650340572] [2020-09-25 14:08:38,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:08:38,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:39,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:39,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:40,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:40,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-09-25 14:08:40,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:08:40,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1574 [2020-09-25 14:08:40,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:40,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:40,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:08:40,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-09-25 14:08:40,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-25 14:08:40,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:41,432 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-09-25 14:08:41,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:08:41,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:41,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:41,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:41,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-25 14:08:41,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:41,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 493 [2020-09-25 14:08:41,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:41,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:41,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:08:41,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:41,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:08:41,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:42,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 14:08:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:42,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:42,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:42,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:08:42,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:42,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 212 [2020-09-25 14:08:42,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:42,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:42,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:08:42,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:42,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:08:42,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 14:08:42,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-25 14:08:42,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:42,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:42,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:42,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 14:08:42,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:42,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-09-25 14:08:42,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:42,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:42,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:08:42,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:42,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 14:08:42,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:08:42,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:08:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:42,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:42,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:42,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 14:08:42,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:42,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-25 14:08:42,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:42,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:42,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:08:42,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:42,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:08:42,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:08:42,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:08:42,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:08:42,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:08:43,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:08:43,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:08:43,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:08:43,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 14:08:43,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:08:43,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 14:08:43,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:08:43,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:08:43,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:08:43,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:08:43,148 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 14:08:43,150 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [650340572] [2020-09-25 14:08:43,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:08:43,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 14:08:43,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064200299] [2020-09-25 14:08:43,153 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 14:08:43,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:08:43,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 14:08:43,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 14:08:43,155 INFO L87 Difference]: Start difference. First operand 879 states and 946 transitions. Second operand 6 states. [2020-09-25 14:08:44,832 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-09-25 14:08:48,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:08:48,383 INFO L93 Difference]: Finished difference Result 1027 states and 1127 transitions. [2020-09-25 14:08:48,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 14:08:48,384 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 194 [2020-09-25 14:08:48,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:08:48,385 INFO L225 Difference]: With dead ends: 1027 [2020-09-25 14:08:48,385 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 14:08:48,392 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 14:08:48,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 14:08:48,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 14:08:48,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 14:08:48,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 14:08:48,393 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 194 [2020-09-25 14:08:48,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:08:48,394 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 14:08:48,394 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 14:08:48,394 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 14:08:48,394 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 14:08:48,395 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 14:08:48,397 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 14:08:48,932 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 14:08:49,405 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 14:08:49,870 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 14:08:50,339 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 14:08:50,778 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 14:08:51,223 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 14:08:51,659 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 14:08:52,088 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 14:08:52,517 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 14:08:52,953 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 14:08:53,385 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 14:08:53,810 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 14:08:54,243 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 14:08:54,650 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 14:08:55,055 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 14:08:55,458 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 14:08:55,892 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 320