/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=SHALLOWEST --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 language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 08:40:20,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 08:40:20,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 08:40:20,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 08:40:20,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 08:40:20,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 08:40:20,591 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 08:40:20,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 08:40:20,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 08:40:20,597 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 08:40:20,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 08:40:20,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 08:40:20,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 08:40:20,602 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 08:40:20,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 08:40:20,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 08:40:20,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 08:40:20,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 08:40:20,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 08:40:20,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 08:40:20,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 08:40:20,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 08:40:20,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 08:40:20,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 08:40:20,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 08:40:20,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 08:40:20,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 08:40:20,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 08:40:20,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 08:40:20,650 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 08:40:20,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 08:40:20,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 08:40:20,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 08:40:20,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 08:40:20,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 08:40:20,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 08:40:20,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 08:40:20,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 08:40:20,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 08:40:20,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 08:40:20,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 08:40:20,659 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 [2020-10-27 08:40:20,688 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 08:40:20,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 08:40:20,690 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 08:40:20,690 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 08:40:20,691 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 08:40:20,691 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 08:40:20,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 08:40:20,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 08:40:20,692 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 08:40:20,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 08:40:20,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 08:40:20,693 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 08:40:20,693 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 08:40:20,693 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 08:40:20,694 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 08:40:20,694 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 08:40:20,694 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 08:40:20,694 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 08:40:20,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 08:40:20,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 08:40:20,695 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 08:40:20,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 08:40:20,696 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 08:40:20,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 08:40:20,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 08:40:20,697 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 08:40:20,697 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-27 08:40:20,697 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 08:40:21,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 08:40:21,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 08:40:21,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 08:40:21,116 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 08:40:21,117 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 08:40:21,119 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i [2020-10-27 08:40:21,201 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a576e11b5/1b7fd6ff86454bc6884b5b3837c1b92e/FLAG705a7c825 [2020-10-27 08:40:22,286 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 08:40:22,287 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i [2020-10-27 08:40:22,342 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a576e11b5/1b7fd6ff86454bc6884b5b3837c1b92e/FLAG705a7c825 [2020-10-27 08:40:22,686 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a576e11b5/1b7fd6ff86454bc6884b5b3837c1b92e [2020-10-27 08:40:22,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 08:40:22,695 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 08:40:22,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 08:40:22,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 08:40:22,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 08:40:22,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:40:22" (1/1) ... [2020-10-27 08:40:22,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@222ba51f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:40:22, skipping insertion in model container [2020-10-27 08:40:22,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:40:22" (1/1) ... [2020-10-27 08:40:22,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 08:40:22,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 08:40:24,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 08:40:25,018 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 08:40:25,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 08:40:25,743 INFO L208 MainTranslator]: Completed translation [2020-10-27 08:40:25,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:40:25 WrapperNode [2020-10-27 08:40:25,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 08:40:25,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 08:40:25,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 08:40:25,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 08:40:25,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:40:25" (1/1) ... [2020-10-27 08:40:25,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:40:25" (1/1) ... [2020-10-27 08:40:25,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:40:25" (1/1) ... [2020-10-27 08:40:25,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:40:25" (1/1) ... [2020-10-27 08:40:25,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:40:25" (1/1) ... [2020-10-27 08:40:25,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:40:25" (1/1) ... [2020-10-27 08:40:26,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:40:25" (1/1) ... [2020-10-27 08:40:26,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 08:40:26,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 08:40:26,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 08:40:26,051 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 08:40:26,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:40:25" (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 [2020-10-27 08:40:26,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 08:40:26,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 08:40:26,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-10-27 08:40:26,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2020-10-27 08:40:26,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2020-10-27 08:40:26,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-27 08:40:26,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-10-27 08:40:26,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-27 08:40:26,129 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 08:40:26,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2020-10-27 08:40:26,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2020-10-27 08:40:26,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2020-10-27 08:40:26,131 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-27 08:40:26,131 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-27 08:40:26,131 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-10-27 08:40:26,131 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-10-27 08:40:26,131 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-27 08:40:26,134 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-27 08:40:26,134 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-27 08:40:26,134 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-27 08:40:26,134 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2020-10-27 08:40:26,135 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2020-10-27 08:40:26,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-27 08:40:26,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-27 08:40:26,135 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-27 08:40:26,135 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-27 08:40:26,135 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 08:40:26,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-27 08:40:26,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-27 08:40:26,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-27 08:40:26,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-27 08:40:26,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-27 08:40:26,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-27 08:40:26,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-27 08:40:26,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-27 08:40:26,136 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2020-10-27 08:40:26,137 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2020-10-27 08:40:26,137 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2020-10-27 08:40:26,137 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2020-10-27 08:40:26,137 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2020-10-27 08:40:26,137 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2020-10-27 08:40:26,137 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2020-10-27 08:40:26,137 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2020-10-27 08:40:26,138 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2020-10-27 08:40:26,138 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2020-10-27 08:40:26,138 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2020-10-27 08:40:26,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_handle_irq [2020-10-27 08:40:26,138 INFO L138 BoogieDeclarations]: Found implementation of procedure crc16 [2020-10-27 08:40:26,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_send_command [2020-10-27 08:40:26,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_get_stb_state [2020-10-27 08:40:26,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_audio_pes2ts_cb [2020-10-27 08:40:26,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_video_pes2ts_cb [2020-10-27 08:40:26,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_pids [2020-10-27 08:40:26,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_pva [2020-10-27 08:40:26,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_filter [2020-10-27 08:40:26,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_packet [2020-10-27 08:40:26,140 INFO L138 BoogieDeclarations]: Found implementation of procedure swap_bytes [2020-10-27 08:40:26,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb_frame [2020-10-27 08:40:26,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb_frame_list [2020-10-27 08:40:26,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb [2020-10-27 08:40:26,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_setup_urbs [2020-10-27 08:40:26,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_iso_xfer [2020-10-27 08:40:26,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_interface [2020-10-27 08:40:26,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_iso_xfer [2020-10-27 08:40:26,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_ts_feed [2020-10-27 08:40:26,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_sec_feed [2020-10-27 08:40:26,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_feed [2020-10-27 08:40:26,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_ts_feed [2020-10-27 08:40:26,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_sec_feed [2020-10-27 08:40:26,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_feed [2020-10-27 08:40:26,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_free_iso_urbs [2020-10-27 08:40:26,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_alloc_iso_urbs [2020-10-27 08:40:26,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_tasklet [2020-10-27 08:40:26,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_init_rc [2020-10-27 08:40:26,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_v_pes [2020-10-27 08:40:26,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_usb [2020-10-27 08:40:26,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_boot_dsp [2020-10-27 08:40:26,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_stb [2020-10-27 08:40:26,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_dvb [2020-10-27 08:40:26,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_dvb [2020-10-27 08:40:26,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_rc [2020-10-27 08:40:26,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_usb [2020-10-27 08:40:26,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_tasklet [2020-10-27 08:40:26,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_filters [2020-10-27 08:40:26,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_filters [2020-10-27 08:40:26,147 INFO L138 BoogieDeclarations]: Found implementation of procedure fe_send_command [2020-10-27 08:40:26,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_probe [2020-10-27 08:40:26,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_disconnect [2020-10-27 08:40:26,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_model [2020-10-27 08:40:26,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_driver_init [2020-10-27 08:40:26,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_driver_exit [2020-10-27 08:40:26,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-10-27 08:40:26,148 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 08:40:26,148 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-27 08:40:26,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2020-10-27 08:40:26,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2020-10-27 08:40:26,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_4 [2020-10-27 08:40:26,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_5 [2020-10-27 08:40:26,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_6 [2020-10-27 08:40:26,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_7 [2020-10-27 08:40:26,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_8 [2020-10-27 08:40:26,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_9 [2020-10-27 08:40:26,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_10 [2020-10-27 08:40:26,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_11 [2020-10-27 08:40:26,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_12 [2020-10-27 08:40:26,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_13 [2020-10-27 08:40:26,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_15 [2020-10-27 08:40:26,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_16 [2020-10-27 08:40:26,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-10-27 08:40:26,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-10-27 08:40:26,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-10-27 08:40:26,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-10-27 08:40:26,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2020-10-27 08:40:26,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-10-27 08:40:26,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-10-27 08:40:26,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-10-27 08:40:26,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-10-27 08:40:26,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2020-10-27 08:40:26,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-10-27 08:40:26,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-10-27 08:40:26,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-10-27 08:40:26,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-10-27 08:40:26,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-10-27 08:40:26,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-10-27 08:40:26,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-27 08:40:26,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-27 08:40:26,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-27 08:40:26,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-27 08:40:26,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2020-10-27 08:40:26,155 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-27 08:40:26,155 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-27 08:40:26,156 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2020-10-27 08:40:26,157 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2020-10-27 08:40:26,157 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2020-10-27 08:40:26,160 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_init [2020-10-27 08:40:26,160 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2020-10-27 08:40:26,161 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_init [2020-10-27 08:40:26,161 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2020-10-27 08:40:26,161 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_filter_pes2ts [2020-10-27 08:40:26,162 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_filter_pes2ts_init [2020-10-27 08:40:26,162 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_init [2020-10-27 08:40:26,162 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_release [2020-10-27 08:40:26,162 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_adapter [2020-10-27 08:40:26,162 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_frontend [2020-10-27 08:40:26,164 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2020-10-27 08:40:26,170 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_frontend [2020-10-27 08:40:26,170 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2020-10-27 08:40:26,170 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2020-10-27 08:40:26,171 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2020-10-27 08:40:26,171 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2020-10-27 08:40:26,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-27 08:40:26,171 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-27 08:40:26,171 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2020-10-27 08:40:26,171 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-27 08:40:26,171 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-27 08:40:26,171 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2020-10-27 08:40:26,172 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2020-10-27 08:40:26,172 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2020-10-27 08:40:26,172 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2020-10-27 08:40:26,172 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2020-10-27 08:40:26,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusbdecfe_dvbs_attach [2020-10-27 08:40:26,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusbdecfe_dvbt_attach [2020-10-27 08:40:26,172 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2020-10-27 08:40:26,172 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2020-10-27 08:40:26,172 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-27 08:40:26,173 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2020-10-27 08:40:26,173 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-27 08:40:26,173 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-27 08:40:26,173 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-10-27 08:40:26,173 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-27 08:40:26,173 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-27 08:40:26,174 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-27 08:40:26,174 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-27 08:40:26,174 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-27 08:40:26,174 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 08:40:26,174 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 08:40:26,174 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 08:40:26,174 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 08:40:26,174 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 08:40:26,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 08:40:26,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-27 08:40:26,175 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-27 08:40:26,175 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-27 08:40:26,175 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2020-10-27 08:40:26,175 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2020-10-27 08:40:26,175 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2020-10-27 08:40:26,175 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2020-10-27 08:40:26,176 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-27 08:40:26,176 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-27 08:40:26,176 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-27 08:40:26,176 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-27 08:40:26,176 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-27 08:40:26,176 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-10-27 08:40:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 08:40:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-10-27 08:40:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-27 08:40:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 08:40:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-27 08:40:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-27 08:40:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-27 08:40:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-27 08:40:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-27 08:40:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-27 08:40:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-27 08:40:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-27 08:40:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-27 08:40:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2020-10-27 08:40:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-27 08:40:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2020-10-27 08:40:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2020-10-27 08:40:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2020-10-27 08:40:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2020-10-27 08:40:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_13 [2020-10-27 08:40:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_12 [2020-10-27 08:40:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-27 08:40:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2020-10-27 08:40:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-27 08:40:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_15 [2020-10-27 08:40:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-27 08:40:26,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_16 [2020-10-27 08:40:26,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_10 [2020-10-27 08:40:26,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_6 [2020-10-27 08:40:26,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_8 [2020-10-27 08:40:26,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_5 [2020-10-27 08:40:26,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_9 [2020-10-27 08:40:26,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_11 [2020-10-27 08:40:26,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2020-10-27 08:40:26,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2020-10-27 08:40:26,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_4 [2020-10-27 08:40:26,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_7 [2020-10-27 08:40:26,181 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-27 08:40:26,181 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2020-10-27 08:40:26,181 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2020-10-27 08:40:26,181 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2020-10-27 08:40:26,181 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-10-27 08:40:26,181 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-27 08:40:26,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 08:40:26,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2020-10-27 08:40:26,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-10-27 08:40:26,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-10-27 08:40:26,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-10-27 08:40:26,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2020-10-27 08:40:26,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-10-27 08:40:26,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-10-27 08:40:26,182 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-27 08:40:26,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-27 08:40:26,182 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-27 08:40:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-27 08:40:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-27 08:40:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-27 08:40:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 08:40:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 08:40:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 08:40:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-27 08:40:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 08:40:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 08:40:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-27 08:40:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-27 08:40:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-27 08:40:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-27 08:40:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-27 08:40:26,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-27 08:40:26,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-10-27 08:40:26,189 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2020-10-27 08:40:26,189 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2020-10-27 08:40:26,189 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2020-10-27 08:40:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2020-10-27 08:40:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2020-10-27 08:40:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2020-10-27 08:40:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2020-10-27 08:40:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-10-27 08:40:26,190 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2020-10-27 08:40:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2020-10-27 08:40:26,193 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2020-10-27 08:40:26,193 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2020-10-27 08:40:26,193 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2020-10-27 08:40:26,193 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2020-10-27 08:40:26,194 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2020-10-27 08:40:26,194 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2020-10-27 08:40:26,194 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2020-10-27 08:40:26,194 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2020-10-27 08:40:26,194 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2020-10-27 08:40:26,194 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2020-10-27 08:40:26,194 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2020-10-27 08:40:26,194 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2020-10-27 08:40:26,194 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_adapter [2020-10-27 08:40:26,195 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2020-10-27 08:40:26,195 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_init [2020-10-27 08:40:26,195 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2020-10-27 08:40:26,195 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_init [2020-10-27 08:40:26,195 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2020-10-27 08:40:26,195 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_filter_pes2ts_init [2020-10-27 08:40:26,195 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_filter_pes2ts [2020-10-27 08:40:26,195 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_frontend [2020-10-27 08:40:26,195 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_frontend [2020-10-27 08:40:26,195 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_release [2020-10-27 08:40:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_init [2020-10-27 08:40:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure ttusbdecfe_dvbs_attach [2020-10-27 08:40:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure ttusbdecfe_dvbt_attach [2020-10-27 08:40:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_model [2020-10-27 08:40:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_handle_irq [2020-10-27 08:40:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure crc16 [2020-10-27 08:40:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_send_command [2020-10-27 08:40:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-27 08:40:26,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 08:40:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 08:40:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_get_stb_state [2020-10-27 08:40:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_audio_pes2ts_cb [2020-10-27 08:40:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2020-10-27 08:40:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_video_pes2ts_cb [2020-10-27 08:40:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_pids [2020-10-27 08:40:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_pva [2020-10-27 08:40:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_filter [2020-10-27 08:40:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_packet [2020-10-27 08:40:26,197 INFO L130 BoogieDeclarations]: Found specification of procedure swap_bytes [2020-10-27 08:40:26,198 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb_frame [2020-10-27 08:40:26,198 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb_frame_list [2020-10-27 08:40:26,198 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb [2020-10-27 08:40:26,198 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_setup_urbs [2020-10-27 08:40:26,198 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_iso_xfer [2020-10-27 08:40:26,198 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_interface [2020-10-27 08:40:26,198 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_iso_xfer [2020-10-27 08:40:26,198 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_ts_feed [2020-10-27 08:40:26,198 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_sec_feed [2020-10-27 08:40:26,199 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_feed [2020-10-27 08:40:26,199 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_ts_feed [2020-10-27 08:40:26,199 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_sec_feed [2020-10-27 08:40:26,199 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_feed [2020-10-27 08:40:26,199 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_free_iso_urbs [2020-10-27 08:40:26,199 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_alloc_iso_urbs [2020-10-27 08:40:26,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-27 08:40:26,199 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_tasklet [2020-10-27 08:40:26,199 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_init_rc [2020-10-27 08:40:26,199 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_v_pes [2020-10-27 08:40:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_usb [2020-10-27 08:40:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_boot_dsp [2020-10-27 08:40:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_stb [2020-10-27 08:40:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_dvb [2020-10-27 08:40:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-27 08:40:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_dvb [2020-10-27 08:40:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-10-27 08:40:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-27 08:40:26,200 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_rc [2020-10-27 08:40:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_usb [2020-10-27 08:40:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_tasklet [2020-10-27 08:40:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_filters [2020-10-27 08:40:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_filters [2020-10-27 08:40:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure fe_send_command [2020-10-27 08:40:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_probe [2020-10-27 08:40:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_disconnect [2020-10-27 08:40:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_driver_init [2020-10-27 08:40:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_driver_exit [2020-10-27 08:40:26,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-27 08:40:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-27 08:40:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 08:40:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-10-27 08:40:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-10-27 08:40:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-10-27 08:40:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-10-27 08:40:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-10-27 08:40:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-10-27 08:40:26,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-10-27 08:40:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-10-27 08:40:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-10-27 08:40:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-27 08:40:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 08:40:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 08:40:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 08:40:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-27 08:40:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 08:40:26,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-27 08:40:26,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-27 08:40:26,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-27 08:40:26,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-27 08:40:27,420 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-27 08:40:36,127 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-10-27 08:40:39,244 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 08:40:39,244 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 08:40:39,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:40:39 BoogieIcfgContainer [2020-10-27 08:40:39,249 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 08:40:39,251 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 08:40:39,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 08:40:39,254 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 08:40:39,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:40:22" (1/3) ... [2020-10-27 08:40:39,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33f538fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:40:39, skipping insertion in model container [2020-10-27 08:40:39,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:40:25" (2/3) ... [2020-10-27 08:40:39,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33f538fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:40:39, skipping insertion in model container [2020-10-27 08:40:39,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:40:39" (3/3) ... [2020-10-27 08:40:39,260 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i [2020-10-27 08:40:39,272 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 08:40:39,280 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 08:40:39,294 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 08:40:39,330 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 08:40:39,330 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 08:40:39,331 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 08:40:39,331 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 08:40:39,331 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 08:40:39,331 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 08:40:39,331 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 08:40:39,331 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 08:40:39,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states. [2020-10-27 08:40:39,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-27 08:40:39,393 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:40:39,394 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 08:40:39,394 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:40:39,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:40:39,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1846567225, now seen corresponding path program 1 times [2020-10-27 08:40:39,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:40:39,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2109771948] [2020-10-27 08:40:39,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:40:40,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:40:40,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:40:40,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:40:45,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:40:45,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-27 08:40:45,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:40:45,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5564 [2020-10-27 08:40:45,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:40:45,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 08:40:45,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-27 08:40:45,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:40:45,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 08:40:52,532 WARN L193 SmtUtils]: Spent 6.56 s on a formula simplification that was a NOOP. DAG size: 1042 [2020-10-27 08:40:52,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:40:52,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:40:52,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:40:53,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:40:53,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:40:53,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:40:53,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 762 [2020-10-27 08:40:53,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:40:53,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:40:53,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:40:53,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:40:53,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:40:53,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:40:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:40:53,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:40:53,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:40:53,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:40:53,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:40:53,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 08:40:53,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:40:53,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:40:53,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:40:53,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:40:53,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:40:53,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 08:40:53,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:40:53,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:40:53,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:40:53,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:40:53,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:40:53,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 08:40:53,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:40:53,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:40:53,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:40:53,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:40:53,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:40:53,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 08:40:53,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:40:53,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:40:53,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:40:53,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:40:53,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:40:53,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 08:40:53,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:40:53,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:40:53,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:40:53,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:40:53,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:40:53,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 08:40:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:40:53,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:40:53,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:40:53,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:40:53,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:40:53,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 08:40:53,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:40:53,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:40:53,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:40:53,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:40:53,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:40:53,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 08:40:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:40:53,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:40:53,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:40:53,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:40:53,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:40:53,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 08:40:53,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:40:53,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:40:53,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:40:53,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:40:53,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:40:53,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 08:40:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:40:53,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:40:53,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:40:53,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:40:53,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:40:53,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 08:40:53,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:40:53,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:40:53,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:40:53,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:40:53,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:40:53,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 08:40:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:40:53,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:40:53,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:40:53,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:40:53,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:40:53,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-27 08:40:53,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:40:53,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 08:40:53,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 08:40:53,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:40:53,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:40:53,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 08:40:53,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:40:54,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:40:54,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:40:54,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 08:40:54,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:40:54,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 08:40:54,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:40:54,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:40:54,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 08:40:54,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:40:54,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:40:54,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:40:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:40:54,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:40:54,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:40:54,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:40:54,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:40:54,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 08:40:54,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:40:54,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:40:54,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:40:54,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:40:54,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:40:54,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:40:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:40:54,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:40:54,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:40:54,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:40:54,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:40:54,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 08:40:54,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:40:54,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:40:54,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:40:54,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:40:54,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:40:54,184 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-27 08:40:54,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2109771948] [2020-10-27 08:40:54,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:40:54,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 08:40:54,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469513161] [2020-10-27 08:40:54,194 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 08:40:54,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:40:54,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 08:40:54,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-27 08:40:54,211 INFO L87 Difference]: Start difference. First operand 1550 states. Second operand 8 states. [2020-10-27 08:41:00,998 WARN L193 SmtUtils]: Spent 6.72 s on a formula simplification that was a NOOP. DAG size: 1051 [2020-10-27 08:41:11,595 WARN L193 SmtUtils]: Spent 6.80 s on a formula simplification that was a NOOP. DAG size: 1054 [2020-10-27 08:41:18,568 WARN L193 SmtUtils]: Spent 6.85 s on a formula simplification that was a NOOP. DAG size: 1056 [2020-10-27 08:42:22,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 08:42:22,307 INFO L93 Difference]: Finished difference Result 3177 states and 4396 transitions. [2020-10-27 08:42:22,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 08:42:22,309 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 70 [2020-10-27 08:42:22,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 08:42:22,346 INFO L225 Difference]: With dead ends: 3177 [2020-10-27 08:42:22,346 INFO L226 Difference]: Without dead ends: 1792 [2020-10-27 08:42:22,367 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 27.3s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2020-10-27 08:42:22,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1792 states. [2020-10-27 08:42:23,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1792 to 1354. [2020-10-27 08:42:23,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1354 states. [2020-10-27 08:42:23,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1354 states and 1747 transitions. [2020-10-27 08:42:23,449 INFO L78 Accepts]: Start accepts. Automaton has 1354 states and 1747 transitions. Word has length 70 [2020-10-27 08:42:23,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 08:42:23,450 INFO L481 AbstractCegarLoop]: Abstraction has 1354 states and 1747 transitions. [2020-10-27 08:42:23,450 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 08:42:23,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1747 transitions. [2020-10-27 08:42:23,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-27 08:42:23,455 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 08:42:23,455 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 08:42:23,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 08:42:23,456 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 08:42:23,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 08:42:23,456 INFO L82 PathProgramCache]: Analyzing trace with hash -895009518, now seen corresponding path program 1 times [2020-10-27 08:42:23,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 08:42:23,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [385693138] [2020-10-27 08:42:23,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 08:42:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:42:23,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:42:26,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:42:28,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:42:28,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-27 08:42:28,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 08:42:28,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5073 [2020-10-27 08:42:28,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:42:28,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 08:42:28,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 08:42:28,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-27 08:42:28,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:42:35,485 WARN L193 SmtUtils]: Spent 6.51 s on a formula simplification that was a NOOP. DAG size: 1042 [2020-10-27 08:42:35,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:42:35,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:42:35,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:42:37,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:42:37,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:42:37,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:42:37,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2364 [2020-10-27 08:42:37,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:42:37,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:42:37,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:42:37,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 08:42:37,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:42:38,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 08:42:38,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:42:38,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:42:38,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:42:38,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:42:38,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:42:38,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 08:42:38,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:42:38,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:42:38,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:42:38,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:42:38,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:42:38,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 08:42:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:42:38,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:42:38,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:42:38,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:42:38,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:42:38,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 08:42:38,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:42:38,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:42:38,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:42:38,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:42:38,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:42:38,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 08:42:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:42:38,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:42:38,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:42:38,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:42:38,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:42:38,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 08:42:38,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:42:38,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:42:38,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:42:38,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:42:38,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:42:38,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 08:42:38,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:42:38,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:42:38,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:42:38,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:42:38,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:42:38,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 08:42:38,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:42:38,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:42:38,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:42:38,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:42:38,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:42:38,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 08:42:38,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:42:38,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:42:38,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:42:38,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 08:42:38,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:42:38,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 08:42:38,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:42:38,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:42:38,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:42:38,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 08:42:38,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:42:38,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 08:42:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:42:38,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:42:38,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:42:38,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 08:42:38,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:42:38,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 08:42:38,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:42:38,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:42:38,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:42:38,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 08:42:38,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:42:38,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 08:42:38,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:42:38,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:42:38,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:42:38,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 08:42:38,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:42:38,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-27 08:42:38,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:42:38,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:42:38,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:42:38,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 08:42:38,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:42:38,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 08:42:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:42:38,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:42:38,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:42:38,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 08:42:38,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:42:38,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 08:42:38,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:42:38,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 08:42:38,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:42:38,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 08:42:38,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:42:38,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 08:42:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:42:38,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:42:38,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:42:38,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 08:42:38,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:42:38,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 08:42:38,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:42:38,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:42:38,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:42:38,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:42:38,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 08:42:38,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 08:42:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 08:42:38,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 08:42:38,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 08:42:38,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 08:42:38,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 08:42:38,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 08:42:38,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 08:42:38,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 08:42:38,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 08:42:38,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 08:42:38,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 08:42:38,831 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-27 08:42:38,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [385693138] [2020-10-27 08:42:38,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 08:42:38,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 08:42:38,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114346519] [2020-10-27 08:42:38,834 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 08:42:38,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 08:42:38,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 08:42:38,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-27 08:42:38,837 INFO L87 Difference]: Start difference. First operand 1354 states and 1747 transitions. Second operand 7 states. [2020-10-27 08:42:45,674 WARN L193 SmtUtils]: Spent 6.80 s on a formula simplification that was a NOOP. DAG size: 1051 [2020-10-27 08:43:00,610 WARN L193 SmtUtils]: Spent 6.81 s on a formula simplification that was a NOOP. DAG size: 1054 [2020-10-27 08:43:07,577 WARN L193 SmtUtils]: Spent 6.70 s on a formula simplification that was a NOOP. DAG size: 1045