/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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 [2020-10-14 12:11:57,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 12:11:57,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 12:11:57,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 12:11:57,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 12:11:57,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 12:11:57,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 12:11:57,373 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 12:11:57,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 12:11:57,378 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 12:11:57,379 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 12:11:57,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 12:11:57,380 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 12:11:57,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 12:11:57,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 12:11:57,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 12:11:57,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 12:11:57,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 12:11:57,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 12:11:57,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 12:11:57,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 12:11:57,403 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 12:11:57,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 12:11:57,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 12:11:57,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 12:11:57,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 12:11:57,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 12:11:57,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 12:11:57,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 12:11:57,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 12:11:57,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 12:11:57,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 12:11:57,428 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 12:11:57,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 12:11:57,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 12:11:57,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 12:11:57,434 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 12:11:57,434 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 12:11:57,434 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 12:11:57,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 12:11:57,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 12:11:57,437 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 [2020-10-14 12:11:57,464 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 12:11:57,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 12:11:57,465 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 12:11:57,465 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 12:11:57,465 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 12:11:57,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 12:11:57,466 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 12:11:57,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 12:11:57,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 12:11:57,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 12:11:57,467 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 12:11:57,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 12:11:57,467 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 12:11:57,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 12:11:57,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 12:11:57,468 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 12:11:57,468 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 12:11:57,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 12:11:57,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 12:11:57,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 12:11:57,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 12:11:57,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 12:11:57,469 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 12:11:57,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 12:11:57,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 12:11:57,469 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 12:11:57,470 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-14 12:11:57,470 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 12:11:57,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 12:11:57,765 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 12:11:57,771 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 12:11:57,773 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 12:11:57,774 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 12:11:57,775 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i [2020-10-14 12:11:57,845 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2d82bd866/3f79fae0e6094ca0af80d57f8969ddba/FLAG6f75f54d8 [2020-10-14 12:11:58,704 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 12:11:58,705 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i [2020-10-14 12:11:58,750 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2d82bd866/3f79fae0e6094ca0af80d57f8969ddba/FLAG6f75f54d8 [2020-10-14 12:11:59,129 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2d82bd866/3f79fae0e6094ca0af80d57f8969ddba [2020-10-14 12:11:59,138 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 12:11:59,139 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 12:11:59,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 12:11:59,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 12:11:59,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 12:11:59,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:11:59" (1/1) ... [2020-10-14 12:11:59,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7428c6a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:11:59, skipping insertion in model container [2020-10-14 12:11:59,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:11:59" (1/1) ... [2020-10-14 12:11:59,160 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 12:11:59,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 12:12:01,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 12:12:01,981 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 12:12:02,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 12:12:02,759 INFO L208 MainTranslator]: Completed translation [2020-10-14 12:12:02,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:12:02 WrapperNode [2020-10-14 12:12:02,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 12:12:02,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 12:12:02,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 12:12:02,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 12:12:02,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:12:02" (1/1) ... [2020-10-14 12:12:02,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:12:02" (1/1) ... [2020-10-14 12:12:02,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:12:02" (1/1) ... [2020-10-14 12:12:02,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:12:02" (1/1) ... [2020-10-14 12:12:03,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:12:02" (1/1) ... [2020-10-14 12:12:03,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:12:02" (1/1) ... [2020-10-14 12:12:03,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:12:02" (1/1) ... [2020-10-14 12:12:03,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 12:12:03,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 12:12:03,157 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 12:12:03,157 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 12:12:03,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:12:02" (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 [2020-10-14 12:12:03,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 12:12:03,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 12:12:03,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~TO~$Pointer$ [2020-10-14 12:12:03,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~TO~VOID [2020-10-14 12:12:03,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2020-10-14 12:12:03,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-14 12:12:03,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-10-14 12:12:03,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-14 12:12:03,234 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-14 12:12:03,235 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-14 12:12:03,235 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-14 12:12:03,235 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-14 12:12:03,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2020-10-14 12:12:03,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2020-10-14 12:12:03,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2020-10-14 12:12:03,236 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-10-14 12:12:03,236 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-10-14 12:12:03,238 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-14 12:12:03,238 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-14 12:12:03,239 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-14 12:12:03,239 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-14 12:12:03,239 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2020-10-14 12:12:03,239 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2020-10-14 12:12:03,240 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2020-10-14 12:12:03,240 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2020-10-14 12:12:03,240 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent [2020-10-14 12:12:03,240 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_coherent [2020-10-14 12:12:03,240 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2020-10-14 12:12:03,240 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2020-10-14 12:12:03,241 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2020-10-14 12:12:03,241 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-10-14 12:12:03,241 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-14 12:12:03,241 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-14 12:12:03,241 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2020-10-14 12:12:03,241 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2020-10-14 12:12:03,241 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2020-10-14 12:12:03,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-14 12:12:03,242 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2020-10-14 12:12:03,242 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2020-10-14 12:12:03,242 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2020-10-14 12:12:03,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_handle_irq [2020-10-14 12:12:03,242 INFO L138 BoogieDeclarations]: Found implementation of procedure crc16 [2020-10-14 12:12:03,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_send_command [2020-10-14 12:12:03,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_get_stb_state [2020-10-14 12:12:03,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_audio_pes2ts_cb [2020-10-14 12:12:03,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_video_pes2ts_cb [2020-10-14 12:12:03,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_pids [2020-10-14 12:12:03,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_pva [2020-10-14 12:12:03,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_filter [2020-10-14 12:12:03,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_packet [2020-10-14 12:12:03,244 INFO L138 BoogieDeclarations]: Found implementation of procedure swap_bytes [2020-10-14 12:12:03,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb_frame [2020-10-14 12:12:03,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb_frame_list [2020-10-14 12:12:03,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb [2020-10-14 12:12:03,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_setup_urbs [2020-10-14 12:12:03,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_iso_xfer [2020-10-14 12:12:03,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_interface [2020-10-14 12:12:03,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_iso_xfer [2020-10-14 12:12:03,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_ts_feed [2020-10-14 12:12:03,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_sec_feed [2020-10-14 12:12:03,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_feed [2020-10-14 12:12:03,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_ts_feed [2020-10-14 12:12:03,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_sec_feed [2020-10-14 12:12:03,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_feed [2020-10-14 12:12:03,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_free_iso_urbs [2020-10-14 12:12:03,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_alloc_iso_urbs [2020-10-14 12:12:03,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_tasklet [2020-10-14 12:12:03,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_init_rc [2020-10-14 12:12:03,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_v_pes [2020-10-14 12:12:03,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_usb [2020-10-14 12:12:03,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_boot_dsp [2020-10-14 12:12:03,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_stb [2020-10-14 12:12:03,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_dvb [2020-10-14 12:12:03,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_dvb [2020-10-14 12:12:03,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_rc [2020-10-14 12:12:03,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_usb [2020-10-14 12:12:03,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_tasklet [2020-10-14 12:12:03,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_filters [2020-10-14 12:12:03,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_filters [2020-10-14 12:12:03,250 INFO L138 BoogieDeclarations]: Found implementation of procedure fe_send_command [2020-10-14 12:12:03,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_probe [2020-10-14 12:12:03,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_disconnect [2020-10-14 12:12:03,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_model [2020-10-14 12:12:03,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init [2020-10-14 12:12:03,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit [2020-10-14 12:12:03,252 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2020-10-14 12:12:03,252 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2020-10-14 12:12:03,252 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 12:12:03,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2020-10-14 12:12:03,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2020-10-14 12:12:03,253 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2020-10-14 12:12:03,253 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2020-10-14 12:12:03,253 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-14 12:12:03,253 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-14 12:12:03,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-14 12:12:03,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-14 12:12:03,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-14 12:12:03,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-14 12:12:03,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-14 12:12:03,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-14 12:12:03,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2020-10-14 12:12:03,254 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-14 12:12:03,254 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-14 12:12:03,254 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2020-10-14 12:12:03,255 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2020-10-14 12:12:03,255 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2020-10-14 12:12:03,255 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-14 12:12:03,255 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-14 12:12:03,255 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_init [2020-10-14 12:12:03,255 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2020-10-14 12:12:03,256 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_init [2020-10-14 12:12:03,256 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2020-10-14 12:12:03,256 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_filter_pes2ts [2020-10-14 12:12:03,256 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_filter_pes2ts_init [2020-10-14 12:12:03,256 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_init [2020-10-14 12:12:03,256 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_release [2020-10-14 12:12:03,257 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_adapter [2020-10-14 12:12:03,257 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_frontend [2020-10-14 12:12:03,257 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2020-10-14 12:12:03,257 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_frontend [2020-10-14 12:12:03,258 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2020-10-14 12:12:03,258 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2020-10-14 12:12:03,259 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2020-10-14 12:12:03,259 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2020-10-14 12:12:03,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-14 12:12:03,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-14 12:12:03,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2020-10-14 12:12:03,260 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-14 12:12:03,263 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2020-10-14 12:12:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-14 12:12:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-14 12:12:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2020-10-14 12:12:03,264 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2020-10-14 12:12:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2020-10-14 12:12:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2020-10-14 12:12:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2020-10-14 12:12:03,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusbdecfe_dvbs_attach [2020-10-14 12:12:03,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusbdecfe_dvbt_attach [2020-10-14 12:12:03,266 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2020-10-14 12:12:03,266 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-14 12:12:03,266 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-14 12:12:03,266 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-14 12:12:03,266 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-10-14 12:12:03,267 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-14 12:12:03,267 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-14 12:12:03,274 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-14 12:12:03,275 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-14 12:12:03,275 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-14 12:12:03,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 12:12:03,275 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-14 12:12:03,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 12:12:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-14 12:12:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-14 12:12:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 12:12:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-14 12:12:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-14 12:12:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-14 12:12:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2020-10-14 12:12:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2020-10-14 12:12:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2020-10-14 12:12:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-14 12:12:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-14 12:12:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-14 12:12:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-14 12:12:03,278 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-14 12:12:03,278 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2020-10-14 12:12:03,278 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-10-14 12:12:03,278 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-10-14 12:12:03,278 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-14 12:12:03,278 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-14 12:12:03,278 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-14 12:12:03,278 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-14 12:12:03,279 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-14 12:12:03,279 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-14 12:12:03,279 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2020-10-14 12:12:03,279 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-14 12:12:03,279 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-14 12:12:03,279 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2020-10-14 12:12:03,279 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2020-10-14 12:12:03,279 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-14 12:12:03,279 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-14 12:12:03,280 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-14 12:12:03,280 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-14 12:12:03,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-14 12:12:03,280 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-14 12:12:03,280 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2020-10-14 12:12:03,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 12:12:03,280 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2020-10-14 12:12:03,280 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2020-10-14 12:12:03,281 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2020-10-14 12:12:03,281 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2020-10-14 12:12:03,281 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2020-10-14 12:12:03,281 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent [2020-10-14 12:12:03,281 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~TO~$Pointer$ [2020-10-14 12:12:03,281 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_coherent [2020-10-14 12:12:03,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 12:12:03,281 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~TO~VOID [2020-10-14 12:12:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2020-10-14 12:12:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2020-10-14 12:12:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2020-10-14 12:12:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2020-10-14 12:12:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2020-10-14 12:12:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2020-10-14 12:12:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-10-14 12:12:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-14 12:12:03,283 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-14 12:12:03,283 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2020-10-14 12:12:03,283 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-14 12:12:03,283 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2020-10-14 12:12:03,283 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-14 12:12:03,283 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2020-10-14 12:12:03,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 12:12:03,283 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-14 12:12:03,283 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-14 12:12:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-14 12:12:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-14 12:12:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2020-10-14 12:12:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2020-10-14 12:12:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2020-10-14 12:12:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-10-14 12:12:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-14 12:12:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2020-10-14 12:12:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2020-10-14 12:12:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2020-10-14 12:12:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2020-10-14 12:12:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2020-10-14 12:12:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2020-10-14 12:12:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2020-10-14 12:12:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2020-10-14 12:12:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2020-10-14 12:12:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2020-10-14 12:12:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_adapter [2020-10-14 12:12:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2020-10-14 12:12:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_init [2020-10-14 12:12:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2020-10-14 12:12:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_init [2020-10-14 12:12:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2020-10-14 12:12:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_filter_pes2ts_init [2020-10-14 12:12:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_filter_pes2ts [2020-10-14 12:12:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_frontend [2020-10-14 12:12:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_frontend [2020-10-14 12:12:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_release [2020-10-14 12:12:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_init [2020-10-14 12:12:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure ttusbdecfe_dvbs_attach [2020-10-14 12:12:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure ttusbdecfe_dvbt_attach [2020-10-14 12:12:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_model [2020-10-14 12:12:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_handle_irq [2020-10-14 12:12:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure crc16 [2020-10-14 12:12:03,288 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_send_command [2020-10-14 12:12:03,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-14 12:12:03,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 12:12:03,288 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_get_stb_state [2020-10-14 12:12:03,288 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_audio_pes2ts_cb [2020-10-14 12:12:03,288 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2020-10-14 12:12:03,289 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_video_pes2ts_cb [2020-10-14 12:12:03,293 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_pids [2020-10-14 12:12:03,293 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_pva [2020-10-14 12:12:03,293 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_filter [2020-10-14 12:12:03,293 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_packet [2020-10-14 12:12:03,293 INFO L130 BoogieDeclarations]: Found specification of procedure swap_bytes [2020-10-14 12:12:03,293 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb_frame [2020-10-14 12:12:03,293 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb_frame_list [2020-10-14 12:12:03,293 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb [2020-10-14 12:12:03,293 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_setup_urbs [2020-10-14 12:12:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_iso_xfer [2020-10-14 12:12:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_interface [2020-10-14 12:12:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_iso_xfer [2020-10-14 12:12:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_ts_feed [2020-10-14 12:12:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_sec_feed [2020-10-14 12:12:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_feed [2020-10-14 12:12:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_ts_feed [2020-10-14 12:12:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_sec_feed [2020-10-14 12:12:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_feed [2020-10-14 12:12:03,297 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_free_iso_urbs [2020-10-14 12:12:03,297 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_alloc_iso_urbs [2020-10-14 12:12:03,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-14 12:12:03,298 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_tasklet [2020-10-14 12:12:03,298 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_init_rc [2020-10-14 12:12:03,298 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_v_pes [2020-10-14 12:12:03,298 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_usb [2020-10-14 12:12:03,298 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_boot_dsp [2020-10-14 12:12:03,298 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_stb [2020-10-14 12:12:03,300 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_dvb [2020-10-14 12:12:03,300 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-14 12:12:03,300 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_dvb [2020-10-14 12:12:03,300 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-10-14 12:12:03,300 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-14 12:12:03,300 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_rc [2020-10-14 12:12:03,300 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_usb [2020-10-14 12:12:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_tasklet [2020-10-14 12:12:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_filters [2020-10-14 12:12:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_filters [2020-10-14 12:12:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure fe_send_command [2020-10-14 12:12:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_probe [2020-10-14 12:12:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_disconnect [2020-10-14 12:12:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init [2020-10-14 12:12:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit [2020-10-14 12:12:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-14 12:12:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-14 12:12:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-14 12:12:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 12:12:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 12:12:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2020-10-14 12:12:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2020-10-14 12:12:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2020-10-14 12:12:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-14 12:12:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 12:12:03,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-14 12:12:03,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 12:12:03,303 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-14 12:12:03,303 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-14 12:12:03,303 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 12:12:03,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 12:12:03,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 12:12:03,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-14 12:12:03,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 12:12:03,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-14 12:12:03,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-14 12:12:03,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-14 12:12:03,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-14 12:12:05,030 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 12:12:05,109 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2020-10-14 12:12:05,109 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2020-10-14 12:12:07,816 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 12:12:07,962 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-10-14 12:12:07,962 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-10-14 12:12:08,239 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2020-10-14 12:12:14,824 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 12:12:14,849 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2020-10-14 12:12:14,849 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2020-10-14 12:12:14,922 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 12:12:14,946 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2020-10-14 12:12:14,947 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2020-10-14 12:12:14,947 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint L8642: #res := 0; [2020-10-14 12:12:15,112 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 12:12:15,266 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2020-10-14 12:12:15,267 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2020-10-14 12:12:15,662 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 12:12:15,747 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume !false; [2020-10-14 12:12:15,747 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume false; [2020-10-14 12:12:15,809 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 12:12:15,850 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-10-14 12:12:15,850 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-10-14 12:12:16,079 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 12:12:16,080 INFO L295 CfgBuilder]: Removed 47 assume(true) statements. [2020-10-14 12:12:16,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:12:16 BoogieIcfgContainer [2020-10-14 12:12:16,098 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 12:12:16,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 12:12:16,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 12:12:16,109 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 12:12:16,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:11:59" (1/3) ... [2020-10-14 12:12:16,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dad1067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:12:16, skipping insertion in model container [2020-10-14 12:12:16,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:12:02" (2/3) ... [2020-10-14 12:12:16,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dad1067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:12:16, skipping insertion in model container [2020-10-14 12:12:16,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:12:16" (3/3) ... [2020-10-14 12:12:16,114 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-media-dvb-ttusb-dec-ttusb_dec.ko.cil.out.i [2020-10-14 12:12:16,132 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 12:12:16,146 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 12:12:16,171 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 12:12:16,218 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 12:12:16,219 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 12:12:16,219 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 12:12:16,219 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 12:12:16,219 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 12:12:16,219 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 12:12:16,220 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 12:12:16,220 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 12:12:16,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states. [2020-10-14 12:12:16,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-14 12:12:16,312 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:12:16,314 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] [2020-10-14 12:12:16,314 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:12:16,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:12:16,325 INFO L82 PathProgramCache]: Analyzing trace with hash 458239533, now seen corresponding path program 1 times [2020-10-14 12:12:16,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:12:16,341 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [899008159] [2020-10-14 12:12:16,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:12:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:12:18,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:12:22,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:12:22,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-14 12:12:22,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:12:22,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5329 [2020-10-14 12:12:22,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:12:22,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:12:22,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 12:12:22,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 12:12:22,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-14 12:12:22,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 12:12:28,931 WARN L193 SmtUtils]: Spent 5.57 s on a formula simplification that was a NOOP. DAG size: 1180 [2020-10-14 12:12:28,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:12:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:12:29,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:12:31,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:12:31,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:12:31,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:12:31,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2582 [2020-10-14 12:12:31,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:12:31,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:12:31,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:12:31,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:12:31,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 12:12:31,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 12:12:31,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:12:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:12:31,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:12:31,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:12:31,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 12:12:31,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:12:31,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 12:12:31,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:12:31,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:12:31,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:12:31,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:12:31,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 12:12:31,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:12:31,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 12:12:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:12:31,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:12:31,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:12:31,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 12:12:31,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:12:31,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 12:12:31,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:12:31,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:12:31,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:12:31,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:12:31,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 12:12:31,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:12:31,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:12:31,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:12:32,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:12:32,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:12:32,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 12:12:32,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:12:32,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 12:12:32,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:12:32,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:12:32,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:12:32,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:12:32,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:12:32,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:12:32,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:12:32,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:12:32,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:12:32,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:12:32,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:12:32,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:12:32,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 12:12:32,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:12:32,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:12:32,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:12:32,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:12:32,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:12:32,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:12:32,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 12:12:32,123 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [899008159] [2020-10-14 12:12:32,125 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 12:12:32,125 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 12:12:32,126 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451865795] [2020-10-14 12:12:32,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 12:12:32,132 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 12:12:32,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 12:12:32,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 12:12:32,148 INFO L87 Difference]: Start difference. First operand 1461 states. Second operand 4 states. [2020-10-14 12:12:40,037 WARN L193 SmtUtils]: Spent 5.55 s on a formula simplification that was a NOOP. DAG size: 1182 [2020-10-14 12:13:47,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 12:13:47,622 INFO L93 Difference]: Finished difference Result 4142 states and 5934 transitions. [2020-10-14 12:13:47,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 12:13:47,624 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2020-10-14 12:13:47,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 12:13:47,674 INFO L225 Difference]: With dead ends: 4142 [2020-10-14 12:13:47,674 INFO L226 Difference]: Without dead ends: 2866 [2020-10-14 12:13:47,689 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 12:13:47,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2866 states. [2020-10-14 12:13:49,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2866 to 2611. [2020-10-14 12:13:49,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2611 states. [2020-10-14 12:13:49,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 2611 states and 3419 transitions. [2020-10-14 12:13:49,054 INFO L78 Accepts]: Start accepts. Automaton has 2611 states and 3419 transitions. Word has length 30 [2020-10-14 12:13:49,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 12:13:49,055 INFO L479 AbstractCegarLoop]: Abstraction has 2611 states and 3419 transitions. [2020-10-14 12:13:49,055 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 12:13:49,055 INFO L276 IsEmpty]: Start isEmpty. Operand 2611 states and 3419 transitions. [2020-10-14 12:13:49,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-14 12:13:49,056 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:13:49,057 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] [2020-10-14 12:13:49,057 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 12:13:49,057 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:13:49,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:13:49,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1319906384, now seen corresponding path program 1 times [2020-10-14 12:13:49,058 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:13:49,058 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1237119050] [2020-10-14 12:13:49,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:13:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:13:49,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:13:54,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:13:54,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 12:13:54,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:13:54,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5075 [2020-10-14 12:13:54,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:13:54,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:13:54,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 12:13:54,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 12:13:54,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-14 12:13:54,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:14:00,195 WARN L193 SmtUtils]: Spent 5.45 s on a formula simplification that was a NOOP. DAG size: 1180 [2020-10-14 12:14:00,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:14:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:14:00,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:14:02,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:14:02,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:14:02,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:14:02,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1864 [2020-10-14 12:14:02,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:14:02,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:14:02,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:14:02,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:14:02,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 12:14:02,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:14:02,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:14:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:14:02,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:14:02,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:14:02,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 12:14:02,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:14:02,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 12:14:02,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:14:02,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:14:02,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:14:02,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:14:02,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 12:14:02,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:14:02,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 12:14:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:14:02,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:14:02,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:14:02,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 12:14:02,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:14:02,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-14 12:14:02,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:14:02,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:14:02,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:14:02,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:14:02,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 12:14:02,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:14:02,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:14:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:14:02,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:14:02,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:14:02,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 12:14:02,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:14:02,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 12:14:02,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:14:02,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:14:02,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:14:02,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:14:02,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:14:02,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:14:02,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:14:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:14:02,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:14:02,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:14:02,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:14:02,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:14:02,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 12:14:02,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:14:02,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:14:02,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:14:02,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:14:02,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:14:02,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:14:02,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 12:14:02,574 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1237119050] [2020-10-14 12:14:02,575 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 12:14:02,575 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 12:14:02,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104664834] [2020-10-14 12:14:02,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 12:14:02,577 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 12:14:02,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 12:14:02,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 12:14:02,578 INFO L87 Difference]: Start difference. First operand 2611 states and 3419 transitions. Second operand 4 states. [2020-10-14 12:14:10,358 WARN L193 SmtUtils]: Spent 5.44 s on a formula simplification that was a NOOP. DAG size: 1182 [2020-10-14 12:15:18,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 12:15:18,568 INFO L93 Difference]: Finished difference Result 8226 states and 11010 transitions. [2020-10-14 12:15:18,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 12:15:18,569 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-10-14 12:15:18,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 12:15:18,605 INFO L225 Difference]: With dead ends: 8226 [2020-10-14 12:15:18,605 INFO L226 Difference]: Without dead ends: 5631 [2020-10-14 12:15:18,618 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.9s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 12:15:18,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5631 states. [2020-10-14 12:15:21,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5631 to 5271. [2020-10-14 12:15:21,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5271 states. [2020-10-14 12:15:21,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5271 states to 5271 states and 6990 transitions. [2020-10-14 12:15:21,203 INFO L78 Accepts]: Start accepts. Automaton has 5271 states and 6990 transitions. Word has length 31 [2020-10-14 12:15:21,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 12:15:21,204 INFO L479 AbstractCegarLoop]: Abstraction has 5271 states and 6990 transitions. [2020-10-14 12:15:21,204 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 12:15:21,204 INFO L276 IsEmpty]: Start isEmpty. Operand 5271 states and 6990 transitions. [2020-10-14 12:15:21,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-14 12:15:21,208 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:15:21,209 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] [2020-10-14 12:15:21,209 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 12:15:21,209 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:15:21,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:15:21,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1254505326, now seen corresponding path program 1 times [2020-10-14 12:15:21,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:15:21,210 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1496280153] [2020-10-14 12:15:21,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:15:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:21,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:21,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:29,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:29,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-14 12:15:29,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 12:15:29,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7953 [2020-10-14 12:15:29,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:29,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:29,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 12:15:29,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-14 12:15:29,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 12:15:29,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:15:34,846 WARN L193 SmtUtils]: Spent 5.24 s on a formula simplification that was a NOOP. DAG size: 1180 [2020-10-14 12:15:34,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:15:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:34,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:35,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:35,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:15:35,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:35,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 886 [2020-10-14 12:15:35,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:35,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:35,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:15:35,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:15:35,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:15:35,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:15:35,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:15:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:35,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:35,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:35,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 12:15:35,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:35,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 12:15:35,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:35,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:35,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:15:35,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:15:35,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:15:35,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:15:35,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 12:15:35,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:35,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:35,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:35,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 12:15:35,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:35,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-14 12:15:35,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:35,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:35,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 12:15:35,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:15:35,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 12:15:35,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:15:36,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:15:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:36,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:36,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:36,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 12:15:36,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:36,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 12:15:36,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:36,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:36,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:15:36,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:15:36,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:15:36,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:15:36,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:15:36,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:36,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:36,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:36,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:15:36,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:36,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 12:15:36,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:36,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:36,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:15:36,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:15:36,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:15:36,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:15:36,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 12:15:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:36,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:36,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:36,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 12:15:36,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:36,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 12:15:36,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:36,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:36,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:15:36,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 12:15:36,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:15:36,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:15:36,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:15:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:36,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:36,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:36,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 12:15:36,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:36,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 12:15:36,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:36,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:36,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:15:36,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:15:36,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:15:36,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:15:36,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:15:36,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:36,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:36,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:36,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:15:36,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:36,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 12:15:36,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:36,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:36,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:15:36,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:15:36,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:15:36,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:15:36,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-14 12:15:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:36,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:36,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:36,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 12:15:36,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:36,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 12:15:36,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:36,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:36,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:15:36,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 12:15:36,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:15:36,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:15:36,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:15:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:36,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:36,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:36,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:15:36,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:36,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 12:15:36,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:36,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:36,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:15:36,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:15:36,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:15:36,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:15:36,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 12:15:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:36,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:36,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:36,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 12:15:36,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:36,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 12:15:36,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:36,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:36,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:15:36,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-14 12:15:36,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:15:36,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:15:36,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:15:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:36,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:36,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:36,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:15:36,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:36,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 12:15:36,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:36,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:36,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:15:36,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:15:36,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:15:36,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:15:36,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 12:15:36,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:36,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:36,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:36,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 12:15:36,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:36,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 12:15:36,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:36,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:36,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:15:36,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 12:15:36,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:15:36,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:15:36,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 12:15:36,537 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1496280153] [2020-10-14 12:15:36,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 12:15:36,538 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 12:15:36,538 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609990699] [2020-10-14 12:15:36,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 12:15:36,539 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 12:15:36,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 12:15:36,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-14 12:15:36,540 INFO L87 Difference]: Start difference. First operand 5271 states and 6990 transitions. Second operand 8 states. [2020-10-14 12:15:44,889 WARN L193 SmtUtils]: Spent 5.65 s on a formula simplification that was a NOOP. DAG size: 1185