/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 SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 06:48:29,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 06:48:29,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 06:48:29,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 06:48:29,619 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 06:48:29,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 06:48:29,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 06:48:29,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 06:48:29,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 06:48:29,637 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 06:48:29,638 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 06:48:29,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 06:48:29,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 06:48:29,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 06:48:29,644 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 06:48:29,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 06:48:29,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 06:48:29,647 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 06:48:29,650 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 06:48:29,652 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 06:48:29,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 06:48:29,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 06:48:29,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 06:48:29,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 06:48:29,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 06:48:29,663 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 06:48:29,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 06:48:29,664 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 06:48:29,665 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 06:48:29,665 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 06:48:29,666 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 06:48:29,666 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 06:48:29,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 06:48:29,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 06:48:29,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 06:48:29,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 06:48:29,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 06:48:29,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 06:48:29,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 06:48:29,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 06:48:29,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 06:48:29,672 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-15 06:48:29,694 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 06:48:29,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 06:48:29,695 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 06:48:29,695 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 06:48:29,696 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 06:48:29,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 06:48:29,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 06:48:29,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 06:48:29,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 06:48:29,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 06:48:29,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 06:48:29,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 06:48:29,697 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 06:48:29,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 06:48:29,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 06:48:29,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 06:48:29,698 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 06:48:29,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 06:48:29,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 06:48:29,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 06:48:29,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 06:48:29,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 06:48:29,699 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 06:48:29,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 06:48:29,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 06:48:29,700 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 06:48:29,700 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 06:48:29,700 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 -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 06:48:30,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 06:48:30,017 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 06:48:30,021 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 06:48:30,022 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 06:48:30,023 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 06:48:30,023 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i [2020-10-15 06:48:30,079 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ac7376bb7/909cdcdd86b1430e9efa5820af4e7784/FLAGf647ac687 [2020-10-15 06:48:30,863 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 06:48:30,864 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i [2020-10-15 06:48:30,909 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ac7376bb7/909cdcdd86b1430e9efa5820af4e7784/FLAGf647ac687 [2020-10-15 06:48:31,404 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ac7376bb7/909cdcdd86b1430e9efa5820af4e7784 [2020-10-15 06:48:31,414 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 06:48:31,417 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 06:48:31,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 06:48:31,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 06:48:31,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 06:48:31,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:48:31" (1/1) ... [2020-10-15 06:48:31,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d765c24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:48:31, skipping insertion in model container [2020-10-15 06:48:31,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:48:31" (1/1) ... [2020-10-15 06:48:31,439 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 06:48:31,661 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 06:48:33,859 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 06:48:33,939 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 06:48:34,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 06:48:34,727 INFO L208 MainTranslator]: Completed translation [2020-10-15 06:48:34,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:48:34 WrapperNode [2020-10-15 06:48:34,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 06:48:34,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 06:48:34,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 06:48:34,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 06:48:34,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:48:34" (1/1) ... [2020-10-15 06:48:34,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:48:34" (1/1) ... [2020-10-15 06:48:34,857 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:48:34" (1/1) ... [2020-10-15 06:48:34,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:48:34" (1/1) ... [2020-10-15 06:48:35,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:48:34" (1/1) ... [2020-10-15 06:48:35,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:48:34" (1/1) ... [2020-10-15 06:48:35,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:48:34" (1/1) ... [2020-10-15 06:48:35,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 06:48:35,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 06:48:35,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 06:48:35,107 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 06:48:35,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:48:34" (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 [2020-10-15 06:48:35,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 06:48:35,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 06:48:35,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~TO~$Pointer$ [2020-10-15 06:48:35,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~TO~VOID [2020-10-15 06:48:35,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2020-10-15 06:48:35,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-15 06:48:35,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-10-15 06:48:35,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-15 06:48:35,185 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-15 06:48:35,186 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-15 06:48:35,186 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-15 06:48:35,187 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-15 06:48:35,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2020-10-15 06:48:35,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2020-10-15 06:48:35,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2020-10-15 06:48:35,187 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-10-15 06:48:35,187 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-10-15 06:48:35,188 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-15 06:48:35,188 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-15 06:48:35,189 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-15 06:48:35,189 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-15 06:48:35,189 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2020-10-15 06:48:35,189 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2020-10-15 06:48:35,190 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2020-10-15 06:48:35,190 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2020-10-15 06:48:35,190 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent [2020-10-15 06:48:35,190 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_coherent [2020-10-15 06:48:35,191 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2020-10-15 06:48:35,191 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2020-10-15 06:48:35,191 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2020-10-15 06:48:35,191 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-10-15 06:48:35,191 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-15 06:48:35,191 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-15 06:48:35,192 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2020-10-15 06:48:35,192 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2020-10-15 06:48:35,192 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2020-10-15 06:48:35,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-15 06:48:35,192 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2020-10-15 06:48:35,192 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2020-10-15 06:48:35,193 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2020-10-15 06:48:35,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_handle_irq [2020-10-15 06:48:35,194 INFO L138 BoogieDeclarations]: Found implementation of procedure crc16 [2020-10-15 06:48:35,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_send_command [2020-10-15 06:48:35,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_get_stb_state [2020-10-15 06:48:35,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_audio_pes2ts_cb [2020-10-15 06:48:35,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_video_pes2ts_cb [2020-10-15 06:48:35,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_pids [2020-10-15 06:48:35,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_pva [2020-10-15 06:48:35,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_filter [2020-10-15 06:48:35,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_packet [2020-10-15 06:48:35,195 INFO L138 BoogieDeclarations]: Found implementation of procedure swap_bytes [2020-10-15 06:48:35,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb_frame [2020-10-15 06:48:35,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb_frame_list [2020-10-15 06:48:35,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb [2020-10-15 06:48:35,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_setup_urbs [2020-10-15 06:48:35,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_iso_xfer [2020-10-15 06:48:35,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_interface [2020-10-15 06:48:35,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_iso_xfer [2020-10-15 06:48:35,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_ts_feed [2020-10-15 06:48:35,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_sec_feed [2020-10-15 06:48:35,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_feed [2020-10-15 06:48:35,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_ts_feed [2020-10-15 06:48:35,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_sec_feed [2020-10-15 06:48:35,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_feed [2020-10-15 06:48:35,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_free_iso_urbs [2020-10-15 06:48:35,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_alloc_iso_urbs [2020-10-15 06:48:35,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_tasklet [2020-10-15 06:48:35,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_init_rc [2020-10-15 06:48:35,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_v_pes [2020-10-15 06:48:35,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_usb [2020-10-15 06:48:35,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_boot_dsp [2020-10-15 06:48:35,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_stb [2020-10-15 06:48:35,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_dvb [2020-10-15 06:48:35,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_dvb [2020-10-15 06:48:35,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_rc [2020-10-15 06:48:35,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_usb [2020-10-15 06:48:35,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_tasklet [2020-10-15 06:48:35,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_filters [2020-10-15 06:48:35,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_filters [2020-10-15 06:48:35,201 INFO L138 BoogieDeclarations]: Found implementation of procedure fe_send_command [2020-10-15 06:48:35,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_probe [2020-10-15 06:48:35,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_disconnect [2020-10-15 06:48:35,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_model [2020-10-15 06:48:35,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init [2020-10-15 06:48:35,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit [2020-10-15 06:48:35,202 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2020-10-15 06:48:35,202 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2020-10-15 06:48:35,202 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 06:48:35,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2020-10-15 06:48:35,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2020-10-15 06:48:35,202 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2020-10-15 06:48:35,202 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2020-10-15 06:48:35,203 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-15 06:48:35,203 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-15 06:48:35,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-15 06:48:35,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-15 06:48:35,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-15 06:48:35,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-15 06:48:35,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-15 06:48:35,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-15 06:48:35,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2020-10-15 06:48:35,204 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-15 06:48:35,204 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-15 06:48:35,204 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2020-10-15 06:48:35,204 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2020-10-15 06:48:35,204 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2020-10-15 06:48:35,204 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-15 06:48:35,205 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-15 06:48:35,205 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_init [2020-10-15 06:48:35,205 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2020-10-15 06:48:35,205 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_init [2020-10-15 06:48:35,205 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2020-10-15 06:48:35,205 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_filter_pes2ts [2020-10-15 06:48:35,205 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_filter_pes2ts_init [2020-10-15 06:48:35,206 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_init [2020-10-15 06:48:35,206 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_release [2020-10-15 06:48:35,206 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_adapter [2020-10-15 06:48:35,206 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_frontend [2020-10-15 06:48:35,206 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2020-10-15 06:48:35,206 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_frontend [2020-10-15 06:48:35,207 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2020-10-15 06:48:35,207 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2020-10-15 06:48:35,207 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2020-10-15 06:48:35,207 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2020-10-15 06:48:35,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-15 06:48:35,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-15 06:48:35,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2020-10-15 06:48:35,208 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-15 06:48:35,208 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2020-10-15 06:48:35,208 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-15 06:48:35,208 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-15 06:48:35,208 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2020-10-15 06:48:35,208 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2020-10-15 06:48:35,208 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2020-10-15 06:48:35,209 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2020-10-15 06:48:35,209 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2020-10-15 06:48:35,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusbdecfe_dvbs_attach [2020-10-15 06:48:35,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusbdecfe_dvbt_attach [2020-10-15 06:48:35,209 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2020-10-15 06:48:35,209 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-15 06:48:35,210 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-15 06:48:35,210 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-15 06:48:35,210 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-10-15 06:48:35,210 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-15 06:48:35,210 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-15 06:48:35,210 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-15 06:48:35,211 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-15 06:48:35,211 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-15 06:48:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 06:48:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-15 06:48:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 06:48:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-15 06:48:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-15 06:48:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 06:48:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-15 06:48:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-15 06:48:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-15 06:48:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2020-10-15 06:48:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2020-10-15 06:48:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2020-10-15 06:48:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-15 06:48:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-15 06:48:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-15 06:48:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-15 06:48:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-15 06:48:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2020-10-15 06:48:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-10-15 06:48:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-10-15 06:48:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-15 06:48:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-15 06:48:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-15 06:48:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-15 06:48:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-15 06:48:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-15 06:48:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2020-10-15 06:48:35,215 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-15 06:48:35,215 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-15 06:48:35,215 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2020-10-15 06:48:35,215 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2020-10-15 06:48:35,215 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-15 06:48:35,215 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-15 06:48:35,215 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-15 06:48:35,216 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-15 06:48:35,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-15 06:48:35,216 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-15 06:48:35,216 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2020-10-15 06:48:35,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 06:48:35,216 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2020-10-15 06:48:35,216 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2020-10-15 06:48:35,216 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2020-10-15 06:48:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2020-10-15 06:48:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2020-10-15 06:48:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent [2020-10-15 06:48:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~TO~$Pointer$ [2020-10-15 06:48:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_coherent [2020-10-15 06:48:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 06:48:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~TO~VOID [2020-10-15 06:48:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2020-10-15 06:48:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2020-10-15 06:48:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2020-10-15 06:48:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2020-10-15 06:48:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2020-10-15 06:48:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2020-10-15 06:48:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-10-15 06:48:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-15 06:48:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-15 06:48:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2020-10-15 06:48:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-15 06:48:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2020-10-15 06:48:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-15 06:48:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2020-10-15 06:48:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 06:48:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-15 06:48:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-15 06:48:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-15 06:48:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-15 06:48:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2020-10-15 06:48:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2020-10-15 06:48:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2020-10-15 06:48:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-10-15 06:48:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-15 06:48:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2020-10-15 06:48:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2020-10-15 06:48:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2020-10-15 06:48:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2020-10-15 06:48:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2020-10-15 06:48:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2020-10-15 06:48:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2020-10-15 06:48:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2020-10-15 06:48:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2020-10-15 06:48:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2020-10-15 06:48:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_adapter [2020-10-15 06:48:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2020-10-15 06:48:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_init [2020-10-15 06:48:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2020-10-15 06:48:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_init [2020-10-15 06:48:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2020-10-15 06:48:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_filter_pes2ts_init [2020-10-15 06:48:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_filter_pes2ts [2020-10-15 06:48:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_frontend [2020-10-15 06:48:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_frontend [2020-10-15 06:48:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_release [2020-10-15 06:48:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_init [2020-10-15 06:48:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure ttusbdecfe_dvbs_attach [2020-10-15 06:48:35,224 INFO L130 BoogieDeclarations]: Found specification of procedure ttusbdecfe_dvbt_attach [2020-10-15 06:48:35,224 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_model [2020-10-15 06:48:35,224 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_handle_irq [2020-10-15 06:48:35,224 INFO L130 BoogieDeclarations]: Found specification of procedure crc16 [2020-10-15 06:48:35,224 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_send_command [2020-10-15 06:48:35,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-15 06:48:35,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 06:48:35,224 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_get_stb_state [2020-10-15 06:48:35,225 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_audio_pes2ts_cb [2020-10-15 06:48:35,225 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2020-10-15 06:48:35,225 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_video_pes2ts_cb [2020-10-15 06:48:35,225 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_pids [2020-10-15 06:48:35,225 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_pva [2020-10-15 06:48:35,225 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_filter [2020-10-15 06:48:35,225 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_packet [2020-10-15 06:48:35,226 INFO L130 BoogieDeclarations]: Found specification of procedure swap_bytes [2020-10-15 06:48:35,226 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb_frame [2020-10-15 06:48:35,226 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb_frame_list [2020-10-15 06:48:35,226 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb [2020-10-15 06:48:35,226 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_setup_urbs [2020-10-15 06:48:35,226 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_iso_xfer [2020-10-15 06:48:35,226 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_interface [2020-10-15 06:48:35,226 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_iso_xfer [2020-10-15 06:48:35,227 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_ts_feed [2020-10-15 06:48:35,227 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_sec_feed [2020-10-15 06:48:35,227 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_feed [2020-10-15 06:48:35,227 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_ts_feed [2020-10-15 06:48:35,227 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_sec_feed [2020-10-15 06:48:35,227 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_feed [2020-10-15 06:48:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_free_iso_urbs [2020-10-15 06:48:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_alloc_iso_urbs [2020-10-15 06:48:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-15 06:48:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_tasklet [2020-10-15 06:48:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_init_rc [2020-10-15 06:48:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_v_pes [2020-10-15 06:48:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_usb [2020-10-15 06:48:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_boot_dsp [2020-10-15 06:48:35,229 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_stb [2020-10-15 06:48:35,229 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_dvb [2020-10-15 06:48:35,229 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-15 06:48:35,229 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_dvb [2020-10-15 06:48:35,229 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-10-15 06:48:35,229 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-15 06:48:35,229 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_rc [2020-10-15 06:48:35,229 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_usb [2020-10-15 06:48:35,230 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_tasklet [2020-10-15 06:48:35,230 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_filters [2020-10-15 06:48:35,230 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_filters [2020-10-15 06:48:35,230 INFO L130 BoogieDeclarations]: Found specification of procedure fe_send_command [2020-10-15 06:48:35,230 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_probe [2020-10-15 06:48:35,230 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_disconnect [2020-10-15 06:48:35,230 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init [2020-10-15 06:48:35,231 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit [2020-10-15 06:48:35,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-15 06:48:35,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-15 06:48:35,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-15 06:48:35,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 06:48:35,231 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 06:48:35,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2020-10-15 06:48:35,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2020-10-15 06:48:35,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2020-10-15 06:48:35,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-15 06:48:35,232 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 06:48:35,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-15 06:48:35,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 06:48:35,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-15 06:48:35,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-15 06:48:35,232 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 06:48:35,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 06:48:35,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 06:48:35,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-15 06:48:35,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 06:48:35,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-15 06:48:35,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-15 06:48:35,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-15 06:48:35,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-15 06:48:36,709 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 06:48:36,768 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2020-10-15 06:48:36,768 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2020-10-15 06:48:39,498 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 06:48:39,672 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-10-15 06:48:39,673 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-10-15 06:48:40,183 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2020-10-15 06:48:45,869 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 06:48:45,889 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2020-10-15 06:48:45,890 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2020-10-15 06:48:45,957 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 06:48:45,974 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2020-10-15 06:48:45,974 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2020-10-15 06:48:45,975 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint L8642: #res := 0; [2020-10-15 06:48:46,135 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 06:48:46,276 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2020-10-15 06:48:46,276 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2020-10-15 06:48:46,727 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 06:48:46,793 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume !false; [2020-10-15 06:48:46,794 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume false; [2020-10-15 06:48:46,849 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-15 06:48:46,884 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-10-15 06:48:46,884 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-10-15 06:48:47,043 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 06:48:47,044 INFO L295 CfgBuilder]: Removed 47 assume(true) statements. [2020-10-15 06:48:47,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:48:47 BoogieIcfgContainer [2020-10-15 06:48:47,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 06:48:47,056 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 06:48:47,056 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 06:48:47,059 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 06:48:47,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 06:48:31" (1/3) ... [2020-10-15 06:48:47,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb73506 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:48:47, skipping insertion in model container [2020-10-15 06:48:47,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:48:34" (2/3) ... [2020-10-15 06:48:47,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb73506 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:48:47, skipping insertion in model container [2020-10-15 06:48:47,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:48:47" (3/3) ... [2020-10-15 06:48:47,062 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i [2020-10-15 06:48:47,073 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 06:48:47,083 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 06:48:47,097 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 06:48:47,127 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 06:48:47,127 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 06:48:47,127 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 06:48:47,128 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 06:48:47,128 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 06:48:47,128 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 06:48:47,128 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 06:48:47,128 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 06:48:47,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states. [2020-10-15 06:48:47,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-15 06:48:47,182 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:48:47,183 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] [2020-10-15 06:48:47,183 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:48:47,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:48:47,190 INFO L82 PathProgramCache]: Analyzing trace with hash 458239533, now seen corresponding path program 1 times [2020-10-15 06:48:47,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:48:47,199 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1248155002] [2020-10-15 06:48:47,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:48:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:48:48,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:48:53,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:48:53,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-15 06:48:53,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:48:53,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5419 [2020-10-15 06:48:53,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:48:53,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:48:53,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 06:48:53,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:48:53,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-15 06:48:53,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-15 06:48:59,496 WARN L193 SmtUtils]: Spent 5.58 s on a formula simplification that was a NOOP. DAG size: 1180 [2020-10-15 06:48:59,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:48:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:48:59,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:49:02,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:49:02,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:49:02,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:49:02,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2689 [2020-10-15 06:49:02,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:49:02,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:49:02,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:49:02,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:49:02,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 06:49:02,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-15 06:49:02,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:49:02,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:49:02,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:49:02,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:49:02,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:49:02,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:49:02,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-15 06:49:02,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:49:02,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:49:02,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:49:02,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:49:02,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 06:49:02,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 06:49:02,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 06:49:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:49:02,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:49:02,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:49:02,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 06:49:02,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:49:02,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-15 06:49:02,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:49:02,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:49:02,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:49:02,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:49:02,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 06:49:02,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:49:02,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:49:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:49:02,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:49:03,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:49:03,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 06:49:03,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:49:03,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-15 06:49:03,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:49:03,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:49:03,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:49:03,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:49:03,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:49:03,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:49:03,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:49:03,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:49:03,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:49:03,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:49:03,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:49:03,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:49:03,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-15 06:49:03,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:49:03,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:49:03,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:49:03,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:49:03,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:49:03,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:49:03,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 06:49:03,119 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1248155002] [2020-10-15 06:49:03,121 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:49:03,121 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 06:49:03,122 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365775249] [2020-10-15 06:49:03,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 06:49:03,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:49:03,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 06:49:03,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 06:49:03,144 INFO L87 Difference]: Start difference. First operand 1461 states. Second operand 4 states. [2020-10-15 06:49:11,229 WARN L193 SmtUtils]: Spent 5.44 s on a formula simplification that was a NOOP. DAG size: 1182 [2020-10-15 06:50:17,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:50:17,950 INFO L93 Difference]: Finished difference Result 4142 states and 5934 transitions. [2020-10-15 06:50:17,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 06:50:17,953 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2020-10-15 06:50:17,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:50:17,996 INFO L225 Difference]: With dead ends: 4142 [2020-10-15 06:50:17,996 INFO L226 Difference]: Without dead ends: 2866 [2020-10-15 06:50:18,011 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-15 06:50:18,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2866 states. [2020-10-15 06:50:19,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2866 to 2611. [2020-10-15 06:50:19,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2611 states. [2020-10-15 06:50:19,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 2611 states and 3419 transitions. [2020-10-15 06:50:19,308 INFO L78 Accepts]: Start accepts. Automaton has 2611 states and 3419 transitions. Word has length 30 [2020-10-15 06:50:19,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:50:19,308 INFO L479 AbstractCegarLoop]: Abstraction has 2611 states and 3419 transitions. [2020-10-15 06:50:19,309 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 06:50:19,309 INFO L276 IsEmpty]: Start isEmpty. Operand 2611 states and 3419 transitions. [2020-10-15 06:50:19,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-15 06:50:19,310 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:50:19,310 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] [2020-10-15 06:50:19,310 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 06:50:19,311 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:50:19,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:50:19,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1319906384, now seen corresponding path program 1 times [2020-10-15 06:50:19,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:50:19,311 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2069501189] [2020-10-15 06:50:19,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:50:19,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:50:19,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:50:25,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:50:25,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-15 06:50:25,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:50:25,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5760 [2020-10-15 06:50:25,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:50:25,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:50:25,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 06:50:25,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:50:25,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-15 06:50:25,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:50:30,687 WARN L193 SmtUtils]: Spent 5.07 s on a formula simplification that was a NOOP. DAG size: 1180 [2020-10-15 06:50:30,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:50:30,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:50:30,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:50:32,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:50:32,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:50:32,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:50:32,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1752 [2020-10-15 06:50:32,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:50:32,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:50:32,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:50:32,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:50:32,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 06:50:32,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:50:32,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:50:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:50:32,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:50:32,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:50:32,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:50:32,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:50:32,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-15 06:50:32,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:50:32,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:50:32,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:50:32,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:50:32,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 06:50:32,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 06:50:32,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 06:50:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:50:32,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:50:32,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:50:32,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 06:50:32,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:50:32,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-15 06:50:32,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:50:32,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:50:32,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:50:32,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:50:32,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 06:50:32,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:50:32,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:50:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:50:32,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:50:32,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:50:32,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 06:50:32,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:50:32,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-15 06:50:32,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:50:32,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:50:32,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:50:32,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:50:32,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:50:32,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:50:32,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:50:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:50:32,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:50:32,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:50:32,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:50:32,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:50:32,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 06:50:32,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:50:32,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:50:32,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:50:32,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:50:32,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:50:32,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:50:33,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 06:50:33,005 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2069501189] [2020-10-15 06:50:33,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:50:33,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 06:50:33,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576981715] [2020-10-15 06:50:33,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 06:50:33,008 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:50:33,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 06:50:33,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 06:50:33,009 INFO L87 Difference]: Start difference. First operand 2611 states and 3419 transitions. Second operand 4 states. [2020-10-15 06:50:40,382 WARN L193 SmtUtils]: Spent 5.10 s on a formula simplification that was a NOOP. DAG size: 1182 [2020-10-15 06:51:50,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:51:50,129 INFO L93 Difference]: Finished difference Result 8226 states and 11010 transitions. [2020-10-15 06:51:50,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 06:51:50,130 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-10-15 06:51:50,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:51:50,167 INFO L225 Difference]: With dead ends: 8226 [2020-10-15 06:51:50,167 INFO L226 Difference]: Without dead ends: 5631 [2020-10-15 06:51:50,181 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-15 06:51:50,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5631 states. [2020-10-15 06:51:53,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5631 to 5271. [2020-10-15 06:51:53,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5271 states. [2020-10-15 06:51:53,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5271 states to 5271 states and 6990 transitions. [2020-10-15 06:51:53,215 INFO L78 Accepts]: Start accepts. Automaton has 5271 states and 6990 transitions. Word has length 31 [2020-10-15 06:51:53,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:51:53,215 INFO L479 AbstractCegarLoop]: Abstraction has 5271 states and 6990 transitions. [2020-10-15 06:51:53,215 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 06:51:53,215 INFO L276 IsEmpty]: Start isEmpty. Operand 5271 states and 6990 transitions. [2020-10-15 06:51:53,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-15 06:51:53,220 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:51:53,220 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] [2020-10-15 06:51:53,220 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 06:51:53,221 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:51:53,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:51:53,221 INFO L82 PathProgramCache]: Analyzing trace with hash -1254505326, now seen corresponding path program 1 times [2020-10-15 06:51:53,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:51:53,221 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [224158547] [2020-10-15 06:51:53,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:51:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:51:53,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:51:54,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:52:01,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:52:01,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-15 06:52:01,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 06:52:01,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7762 [2020-10-15 06:52:01,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:52:01,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:52:01,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 06:52:01,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:52:01,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-15 06:52:01,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:52:06,979 WARN L193 SmtUtils]: Spent 5.45 s on a formula simplification that was a NOOP. DAG size: 1180 [2020-10-15 06:52:06,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:52:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:52:07,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:52:08,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:52:08,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:52:08,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:52:08,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1654 [2020-10-15 06:52:08,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:52:08,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:52:08,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:52:08,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:52:08,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 06:52:08,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:52:08,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:52:08,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:52:08,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:52:08,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:52:08,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:52:08,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:52:08,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-15 06:52:08,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:52:08,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:52:08,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:52:08,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:52:08,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 06:52:08,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:52:08,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 06:52:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:52:08,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:52:08,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:52:08,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 06:52:08,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:52:08,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-15 06:52:08,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:52:08,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:52:08,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:52:08,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:52:08,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 06:52:08,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:52:08,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:52:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:52:08,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:52:08,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:52:08,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 06:52:08,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:52:08,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 06:52:08,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:52:08,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:52:08,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:52:08,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:52:08,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:52:08,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:52:08,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:52:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:52:09,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:52:09,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:52:09,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:52:09,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:52:09,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 06:52:09,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:52:09,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:52:09,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:52:09,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:52:09,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:52:09,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:52:09,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-15 06:52:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:52:09,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:52:09,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:52:09,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 06:52:09,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:52:09,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-15 06:52:09,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:52:09,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:52:09,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:52:09,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:52:09,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 06:52:09,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:52:09,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:52:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:52:09,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:52:09,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:52:09,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 06:52:09,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:52:09,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 06:52:09,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:52:09,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:52:09,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:52:09,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:52:09,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:52:09,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:52:09,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:52:09,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:52:09,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:52:09,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:52:09,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:52:09,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:52:09,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 06:52:09,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:52:09,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:52:09,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:52:09,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:52:09,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:52:09,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:52:09,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-15 06:52:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:52:09,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:52:09,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:52:09,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 06:52:09,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:52:09,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-15 06:52:09,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:52:09,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:52:09,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:52:09,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:52:09,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 06:52:09,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:52:09,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:52:09,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:52:09,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:52:09,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:52:09,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:52:09,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:52:09,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 06:52:09,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:52:09,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:52:09,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:52:09,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:52:09,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:52:09,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:52:09,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 06:52:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:52:09,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:52:09,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:52:09,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 06:52:09,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:52:09,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-15 06:52:09,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:52:09,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:52:09,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:52:09,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-15 06:52:09,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:52:09,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:52:09,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:52:09,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:52:09,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:52:09,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:52:09,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:52:09,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:52:09,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-15 06:52:09,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:52:09,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:52:09,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:52:09,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:52:09,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:52:09,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:52:09,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-15 06:52:09,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:52:09,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:52:09,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:52:09,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 06:52:09,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:52:09,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 06:52:09,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:52:09,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:52:09,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:52:09,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 06:52:09,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:52:09,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:52:09,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 06:52:09,503 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [224158547] [2020-10-15 06:52:09,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:52:09,504 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 06:52:09,504 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012531872] [2020-10-15 06:52:09,505 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 06:52:09,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:52:09,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 06:52:09,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-15 06:52:09,506 INFO L87 Difference]: Start difference. First operand 5271 states and 6990 transitions. Second operand 7 states. [2020-10-15 06:52:17,135 WARN L193 SmtUtils]: Spent 5.45 s on a formula simplification that was a NOOP. DAG size: 1185