/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 21:08:20,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 21:08:20,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 21:08:20,462 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 21:08:20,463 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 21:08:20,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 21:08:20,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 21:08:20,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 21:08:20,481 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 21:08:20,486 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 21:08:20,487 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 21:08:20,489 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 21:08:20,489 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 21:08:20,492 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 21:08:20,495 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 21:08:20,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 21:08:20,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 21:08:20,501 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 21:08:20,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 21:08:20,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 21:08:20,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 21:08:20,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 21:08:20,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 21:08:20,522 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 21:08:20,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 21:08:20,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 21:08:20,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 21:08:20,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 21:08:20,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 21:08:20,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 21:08:20,534 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 21:08:20,535 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 21:08:20,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 21:08:20,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 21:08:20,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 21:08:20,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 21:08:20,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 21:08:20,540 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 21:08:20,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 21:08:20,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 21:08:20,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 21:08:20,552 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 [2020-10-29 21:08:20,613 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 21:08:20,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 21:08:20,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 21:08:20,617 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 21:08:20,617 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 21:08:20,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 21:08:20,618 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 21:08:20,618 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 21:08:20,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 21:08:20,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 21:08:20,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 21:08:20,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 21:08:20,619 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 21:08:20,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 21:08:20,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 21:08:20,620 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 21:08:20,620 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 21:08:20,620 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 21:08:20,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 21:08:20,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 21:08:20,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 21:08:20,621 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 21:08:20,621 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 21:08:20,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 21:08:20,622 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 21:08:20,622 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 21:08:20,622 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-29 21:08:20,622 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 21:08:21,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 21:08:21,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 21:08:21,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 21:08:21,066 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 21:08:21,067 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 21:08:21,068 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i [2020-10-29 21:08:21,157 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ebd5db813/c6b46719ab844406a0f8d065733ad969/FLAG237f561f2 [2020-10-29 21:08:22,348 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 21:08:22,350 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i [2020-10-29 21:08:22,404 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ebd5db813/c6b46719ab844406a0f8d065733ad969/FLAG237f561f2 [2020-10-29 21:08:22,692 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ebd5db813/c6b46719ab844406a0f8d065733ad969 [2020-10-29 21:08:22,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 21:08:22,702 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 21:08:22,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 21:08:22,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 21:08:22,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 21:08:22,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:08:22" (1/1) ... [2020-10-29 21:08:22,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24f97ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:08:22, skipping insertion in model container [2020-10-29 21:08:22,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:08:22" (1/1) ... [2020-10-29 21:08:22,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 21:08:22,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 21:08:24,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 21:08:24,981 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 21:08:25,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 21:08:25,754 INFO L208 MainTranslator]: Completed translation [2020-10-29 21:08:25,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:08:25 WrapperNode [2020-10-29 21:08:25,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 21:08:25,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 21:08:25,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 21:08:25,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 21:08:25,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:08:25" (1/1) ... [2020-10-29 21:08:25,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:08:25" (1/1) ... [2020-10-29 21:08:25,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:08:25" (1/1) ... [2020-10-29 21:08:25,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:08:25" (1/1) ... [2020-10-29 21:08:26,042 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:08:25" (1/1) ... [2020-10-29 21:08:26,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:08:25" (1/1) ... [2020-10-29 21:08:26,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:08:25" (1/1) ... [2020-10-29 21:08:26,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 21:08:26,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 21:08:26,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 21:08:26,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 21:08:26,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:08:25" (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 [2020-10-29 21:08:26,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 21:08:26,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 21:08:26,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-29 21:08:26,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2020-10-29 21:08:26,231 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 21:08:26,232 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-29 21:08:26,232 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-29 21:08:26,232 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-29 21:08:26,232 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-29 21:08:26,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-29 21:08:26,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-29 21:08:26,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-10-29 21:08:26,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-10-29 21:08:26,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-29 21:08:26,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-29 21:08:26,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-29 21:08:26,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-29 21:08:26,234 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-10-29 21:08:26,234 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-29 21:08:26,234 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-29 21:08:26,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2020-10-29 21:08:26,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2020-10-29 21:08:26,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2020-10-29 21:08:26,235 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2020-10-29 21:08:26,235 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2020-10-29 21:08:26,235 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-10-29 21:08:26,235 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-10-29 21:08:26,235 INFO L138 BoogieDeclarations]: Found implementation of procedure outsb [2020-10-29 21:08:26,235 INFO L138 BoogieDeclarations]: Found implementation of procedure insb [2020-10-29 21:08:26,236 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-10-29 21:08:26,236 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-10-29 21:08:26,236 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-10-29 21:08:26,236 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-29 21:08:26,236 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-29 21:08:26,236 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2020-10-29 21:08:26,236 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2020-10-29 21:08:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2020-10-29 21:08:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channelmap [2020-10-29 21:08:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2020-10-29 21:08:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure mI_alloc_skb [2020-10-29 21:08:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure _alloc_mISDN_skb [2020-10-29 21:08:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure _queue_data [2020-10-29 21:08:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure _set_debug [2020-10-29 21:08:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure set_debug [2020-10-29 21:08:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadW6692 [2020-10-29 21:08:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteW6692 [2020-10-29 21:08:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadW6692B [2020-10-29 21:08:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteW6692B [2020-10-29 21:08:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_hwirq [2020-10-29 21:08:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_hwirq [2020-10-29 21:08:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692Version [2020-10-29 21:08:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_led_handler [2020-10-29 21:08:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ph_command [2020-10-29 21:08:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_new_ph [2020-10-29 21:08:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_ph_bh [2020-10-29 21:08:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_empty_Dfifo [2020-10-29 21:08:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_fill_Dfifo [2020-10-29 21:08:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure d_retransmit [2020-10-29 21:08:26,240 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rxD [2020-10-29 21:08:26,240 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_txD [2020-10-29 21:08:26,240 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_statusD [2020-10-29 21:08:26,240 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_empty_Bfifo [2020-10-29 21:08:26,240 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_fill_Bfifo [2020-10-29 21:08:26,240 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_pots [2020-10-29 21:08:26,241 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_mode [2020-10-29 21:08:26,241 INFO L138 BoogieDeclarations]: Found implementation of procedure send_next [2020-10-29 21:08:26,241 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692B_interrupt [2020-10-29 21:08:26,241 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_irq [2020-10-29 21:08:26,241 INFO L138 BoogieDeclarations]: Found implementation of procedure dbusy_timer_handler [2020-10-29 21:08:26,241 INFO L138 BoogieDeclarations]: Found implementation of procedure initW6692 [2020-10-29 21:08:26,241 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_w6692 [2020-10-29 21:08:26,241 INFO L138 BoogieDeclarations]: Found implementation of procedure init_card [2020-10-29 21:08:26,242 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_l2l1B [2020-10-29 21:08:26,242 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_bctrl [2020-10-29 21:08:26,242 INFO L138 BoogieDeclarations]: Found implementation of procedure open_bchannel [2020-10-29 21:08:26,242 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_ctrl [2020-10-29 21:08:26,242 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_bctrl [2020-10-29 21:08:26,242 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_l2l1D [2020-10-29 21:08:26,242 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_l1callback [2020-10-29 21:08:26,243 INFO L138 BoogieDeclarations]: Found implementation of procedure open_dchannel [2020-10-29 21:08:26,243 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_dctrl [2020-10-29 21:08:26,243 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_w6692 [2020-10-29 21:08:26,243 INFO L138 BoogieDeclarations]: Found implementation of procedure release_card [2020-10-29 21:08:26,243 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_instance [2020-10-29 21:08:26,243 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_probe [2020-10-29 21:08:26,243 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_remove_pci [2020-10-29 21:08:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_init [2020-10-29 21:08:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_cleanup [2020-10-29 21:08:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2020-10-29 21:08:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_kernel_param_ops_5 [2020-10-29 21:08:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2020-10-29 21:08:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2020-10-29 21:08:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2020-10-29 21:08:26,245 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_3 [2020-10-29 21:08:26,245 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2020-10-29 21:08:26,245 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2020-10-29 21:08:26,245 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2020-10-29 21:08:26,245 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2020-10-29 21:08:26,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2020-10-29 21:08:26,245 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2020-10-29 21:08:26,245 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2020-10-29 21:08:26,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_4 [2020-10-29 21:08:26,246 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2020-10-29 21:08:26,246 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 21:08:26,246 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-29 21:08:26,246 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-29 21:08:26,246 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-29 21:08:26,246 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-29 21:08:26,246 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2020-10-29 21:08:26,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2020-10-29 21:08:26,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2020-10-29 21:08:26,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2020-10-29 21:08:26,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2020-10-29 21:08:26,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2020-10-29 21:08:26,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2020-10-29 21:08:26,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2020-10-29 21:08:26,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2020-10-29 21:08:26,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2020-10-29 21:08:26,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_37 [2020-10-29 21:08:26,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_38 [2020-10-29 21:08:26,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_39 [2020-10-29 21:08:26,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_40 [2020-10-29 21:08:26,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_41 [2020-10-29 21:08:26,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_42 [2020-10-29 21:08:26,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_43 [2020-10-29 21:08:26,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_44 [2020-10-29 21:08:26,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_45 [2020-10-29 21:08:26,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_46 [2020-10-29 21:08:26,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-29 21:08:26,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-29 21:08:26,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-29 21:08:26,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-29 21:08:26,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-29 21:08:26,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-10-29 21:08:26,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-29 21:08:26,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-10-29 21:08:26,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-10-29 21:08:26,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-10-29 21:08:26,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-10-29 21:08:26,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-29 21:08:26,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2020-10-29 21:08:26,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-29 21:08:26,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2020-10-29 21:08:26,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-29 21:08:26,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-10-29 21:08:26,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-10-29 21:08:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock [2020-10-29 21:08:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock [2020-10-29 21:08:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-29 21:08:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-29 21:08:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-29 21:08:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_irqsave [2020-10-29 21:08:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_irqrestore [2020-10-29 21:08:26,253 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2020-10-29 21:08:26,253 INFO L138 BoogieDeclarations]: Found implementation of procedure bchannel_get_rxbuf [2020-10-29 21:08:26,253 INFO L138 BoogieDeclarations]: Found implementation of procedure bchannel_senddata [2020-10-29 21:08:26,253 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2020-10-29 21:08:26,253 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2020-10-29 21:08:26,253 INFO L138 BoogieDeclarations]: Found implementation of procedure create_l1 [2020-10-29 21:08:26,253 INFO L138 BoogieDeclarations]: Found implementation of procedure dchannel_senddata [2020-10-29 21:08:26,253 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2020-10-29 21:08:26,254 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-10-29 21:08:26,254 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_bframe [2020-10-29 21:08:26,254 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_dframe [2020-10-29 21:08:26,254 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_event [2020-10-29 21:08:26,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-29 21:08:26,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-29 21:08:26,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_4 [2020-10-29 21:08:26,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-10-29 21:08:26,255 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-29 21:08:26,255 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_clear_bchannel [2020-10-29 21:08:26,255 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_ctrl_bchannel [2020-10-29 21:08:26,255 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freebchannel [2020-10-29 21:08:26,255 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freedchannel [2020-10-29 21:08:26,255 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_initbchannel [2020-10-29 21:08:26,255 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_initdchannel [2020-10-29 21:08:26,255 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_register_device [2020-10-29 21:08:26,255 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_unregister_device [2020-10-29 21:08:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2020-10-29 21:08:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2020-10-29 21:08:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure param_get_uint [2020-10-29 21:08:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure param_set_uint [2020-10-29 21:08:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2020-10-29 21:08:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2020-10-29 21:08:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2020-10-29 21:08:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2020-10-29 21:08:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-29 21:08:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_ch_frame [2020-10-29 21:08:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2020-10-29 21:08:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Bchannel [2020-10-29 21:08:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Dchannel [2020-10-29 21:08:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2020-10-29 21:08:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-29 21:08:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2020-10-29 21:08:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-10-29 21:08:26,258 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2020-10-29 21:08:26,258 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-29 21:08:26,258 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-29 21:08:26,258 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-29 21:08:26,258 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-29 21:08:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 21:08:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 21:08:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 21:08:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 21:08:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 21:08:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 21:08:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_return_address [2020-10-29 21:08:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-29 21:08:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-29 21:08:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-29 21:08:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-29 21:08:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 21:08:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-29 21:08:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2020-10-29 21:08:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2020-10-29 21:08:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-29 21:08:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-10-29 21:08:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-10-29 21:08:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 21:08:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-29 21:08:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-29 21:08:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 21:08:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-29 21:08:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-29 21:08:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-29 21:08:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 21:08:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-29 21:08:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-29 21:08:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-10-29 21:08:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-10-29 21:08:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-29 21:08:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-29 21:08:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-29 21:08:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-29 21:08:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-29 21:08:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-10-29 21:08:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 21:08:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-29 21:08:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-29 21:08:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-29 21:08:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-29 21:08:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-29 21:08:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-29 21:08:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-29 21:08:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock [2020-10-29 21:08:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_irqsave [2020-10-29 21:08:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock [2020-10-29 21:08:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_irqrestore [2020-10-29 21:08:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-29 21:08:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2020-10-29 21:08:26,264 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-29 21:08:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2020-10-29 21:08:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-29 21:08:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2020-10-29 21:08:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-29 21:08:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2020-10-29 21:08:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_37 [2020-10-29 21:08:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_38 [2020-10-29 21:08:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_39 [2020-10-29 21:08:26,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_42 [2020-10-29 21:08:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2020-10-29 21:08:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2020-10-29 21:08:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2020-10-29 21:08:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2020-10-29 21:08:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2020-10-29 21:08:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-10-29 21:08:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-10-29 21:08:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-10-29 21:08:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-10-29 21:08:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure outsb [2020-10-29 21:08:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2020-10-29 21:08:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-10-29 21:08:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure param_set_uint [2020-10-29 21:08:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure param_get_uint [2020-10-29 21:08:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2020-10-29 21:08:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2020-10-29 21:08:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-29 21:08:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-29 21:08:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-10-29 21:08:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2020-10-29 21:08:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_kernel_param_ops_5 [2020-10-29 21:08:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2020-10-29 21:08:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2020-10-29 21:08:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2020-10-29 21:08:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_3 [2020-10-29 21:08:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2020-10-29 21:08:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2020-10-29 21:08:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2020-10-29 21:08:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2020-10-29 21:08:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2020-10-29 21:08:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2020-10-29 21:08:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2020-10-29 21:08:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_4 [2020-10-29 21:08:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2020-10-29 21:08:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2020-10-29 21:08:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-10-29 21:08:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_40 [2020-10-29 21:08:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-10-29 21:08:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_41 [2020-10-29 21:08:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_43 [2020-10-29 21:08:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_44 [2020-10-29 21:08:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-10-29 21:08:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-29 21:08:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-29 21:08:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 21:08:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2020-10-29 21:08:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2020-10-29 21:08:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2020-10-29 21:08:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_45 [2020-10-29 21:08:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2020-10-29 21:08:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_46 [2020-10-29 21:08:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2020-10-29 21:08:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2020-10-29 21:08:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2020-10-29 21:08:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-29 21:08:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2020-10-29 21:08:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure set_channelmap [2020-10-29 21:08:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 21:08:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2020-10-29 21:08:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2020-10-29 21:08:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2020-10-29 21:08:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2020-10-29 21:08:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2020-10-29 21:08:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2020-10-29 21:08:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2020-10-29 21:08:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2020-10-29 21:08:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-29 21:08:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2020-10-29 21:08:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-10-29 21:08:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2020-10-29 21:08:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2020-10-29 21:08:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2020-10-29 21:08:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2020-10-29 21:08:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure mI_alloc_skb [2020-10-29 21:08:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure _alloc_mISDN_skb [2020-10-29 21:08:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-29 21:08:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure _queue_data [2020-10-29 21:08:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-29 21:08:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_register_device [2020-10-29 21:08:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_unregister_device [2020-10-29 21:08:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure create_l1 [2020-10-29 21:08:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure l1_event [2020-10-29 21:08:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_initdchannel [2020-10-29 21:08:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_initbchannel [2020-10-29 21:08:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freedchannel [2020-10-29 21:08:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_clear_bchannel [2020-10-29 21:08:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freebchannel [2020-10-29 21:08:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_ctrl_bchannel [2020-10-29 21:08:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure queue_ch_frame [2020-10-29 21:08:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure dchannel_senddata [2020-10-29 21:08:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure bchannel_senddata [2020-10-29 21:08:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure bchannel_get_rxbuf [2020-10-29 21:08:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Dchannel [2020-10-29 21:08:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Bchannel [2020-10-29 21:08:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_bframe [2020-10-29 21:08:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_dframe [2020-10-29 21:08:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure _set_debug [2020-10-29 21:08:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure set_debug [2020-10-29 21:08:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure ReadW6692 [2020-10-29 21:08:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure WriteW6692 [2020-10-29 21:08:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure ReadW6692B [2020-10-29 21:08:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure WriteW6692B [2020-10-29 21:08:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure enable_hwirq [2020-10-29 21:08:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure disable_hwirq [2020-10-29 21:08:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure W6692Version [2020-10-29 21:08:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_led_handler [2020-10-29 21:08:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure ph_command [2020-10-29 21:08:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 21:08:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_new_ph [2020-10-29 21:08:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_ph_bh [2020-10-29 21:08:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_empty_Dfifo [2020-10-29 21:08:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_fill_Dfifo [2020-10-29 21:08:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure d_retransmit [2020-10-29 21:08:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rxD [2020-10-29 21:08:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure handle_txD [2020-10-29 21:08:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure handle_statusD [2020-10-29 21:08:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_empty_Bfifo [2020-10-29 21:08:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_fill_Bfifo [2020-10-29 21:08:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure disable_pots [2020-10-29 21:08:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_mode [2020-10-29 21:08:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure send_next [2020-10-29 21:08:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure W6692B_interrupt [2020-10-29 21:08:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_irq [2020-10-29 21:08:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure dbusy_timer_handler [2020-10-29 21:08:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure initW6692 [2020-10-29 21:08:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure reset_w6692 [2020-10-29 21:08:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure init_card [2020-10-29 21:08:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_l2l1B [2020-10-29 21:08:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure channel_bctrl [2020-10-29 21:08:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure open_bchannel [2020-10-29 21:08:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure channel_ctrl [2020-10-29 21:08:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_bctrl [2020-10-29 21:08:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_l2l1D [2020-10-29 21:08:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_l1callback [2020-10-29 21:08:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure open_dchannel [2020-10-29 21:08:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_dctrl [2020-10-29 21:08:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure setup_w6692 [2020-10-29 21:08:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure release_card [2020-10-29 21:08:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure setup_instance [2020-10-29 21:08:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_probe [2020-10-29 21:08:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_remove_pci [2020-10-29 21:08:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_init [2020-10-29 21:08:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_cleanup [2020-10-29 21:08:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-29 21:08:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-29 21:08:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_4 [2020-10-29 21:08:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2020-10-29 21:08:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 21:08:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-29 21:08:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-29 21:08:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-29 21:08:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-29 21:08:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-29 21:08:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-10-29 21:08:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-29 21:08:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-10-29 21:08:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-10-29 21:08:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-29 21:08:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 21:08:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 21:08:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 21:08:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-29 21:08:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 21:08:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-29 21:08:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-29 21:08:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-29 21:08:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-29 21:08:28,216 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-29 21:08:46,289 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 21:08:46,290 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-29 21:08:46,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:08:46 BoogieIcfgContainer [2020-10-29 21:08:46,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 21:08:46,296 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 21:08:46,296 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 21:08:46,300 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 21:08:46,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 09:08:22" (1/3) ... [2020-10-29 21:08:46,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de744cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:08:46, skipping insertion in model container [2020-10-29 21:08:46,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:08:25" (2/3) ... [2020-10-29 21:08:46,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de744cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:08:46, skipping insertion in model container [2020-10-29 21:08:46,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:08:46" (3/3) ... [2020-10-29 21:08:46,303 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i [2020-10-29 21:08:46,316 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 21:08:46,322 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 21:08:46,336 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 21:08:46,373 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 21:08:46,373 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 21:08:46,373 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 21:08:46,374 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 21:08:46,374 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 21:08:46,374 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 21:08:46,374 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 21:08:46,374 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 21:08:46,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states. [2020-10-29 21:08:46,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-10-29 21:08:46,436 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 21:08:46,437 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 21:08:46,438 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 21:08:46,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 21:08:46,444 INFO L82 PathProgramCache]: Analyzing trace with hash 279216592, now seen corresponding path program 1 times [2020-10-29 21:08:46,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 21:08:46,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1663718284] [2020-10-29 21:08:46,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 21:08:47,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:08:47,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:08:48,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:08:48,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:08:56,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:08:56,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 21:08:56,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 21:08:56,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9399 [2020-10-29 21:08:56,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:08:56,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:08:56,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:08:56,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-29 21:08:56,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:08:56,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 21:09:17,109 WARN L193 SmtUtils]: Spent 19.98 s on a formula simplification that was a NOOP. DAG size: 1900 [2020-10-29 21:09:17,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 21:09:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:09:17,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:09:19,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:09:19,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:09:19,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:09:19,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2811 [2020-10-29 21:09:19,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:09:19,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:09:19,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:09:19,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:09:19,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:09:19,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:09:20,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:09:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:09:20,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:09:20,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:09:20,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:09:20,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 21:09:20,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 21:09:20,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-29 21:09:20,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:09:20,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:09:20,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:09:20,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:09:20,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:09:20,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:09:20,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:09:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:09:20,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:09:20,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:09:20,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:09:20,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:09:20,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 21:09:20,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:09:20,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:09:20,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:09:20,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:09:20,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:09:20,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:09:20,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:09:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:09:20,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:09:20,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:09:20,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:09:20,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:09:20,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 21:09:20,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 21:09:20,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:09:20,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:09:20,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:09:20,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:09:20,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:09:20,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 21:09:20,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 21:09:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:09:20,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:09:20,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:09:20,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 21:09:20,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:09:20,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-29 21:09:20,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:09:20,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:09:20,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:09:20,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-29 21:09:20,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:09:20,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:09:20,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:09:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:09:20,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:09:20,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:09:20,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:09:20,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:09:20,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 21:09:20,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:09:20,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:09:20,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:09:20,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:09:20,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:09:20,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 21:09:20,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:09:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:09:20,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:09:20,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:09:20,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:09:20,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:09:20,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 21:09:20,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:09:20,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:09:20,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:09:20,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-29 21:09:20,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:09:20,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:09:20,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 21:09:20,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:09:20,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:09:20,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:09:20,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:09:20,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 21:09:20,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 21:09:20,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-29 21:09:20,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:09:20,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:09:20,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:09:20,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-29 21:09:20,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:09:20,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:09:20,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:09:20,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:09:20,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:09:20,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:09:20,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:09:20,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:09:20,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 21:09:20,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:09:20,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:09:20,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:09:20,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:09:20,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:09:20,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:09:20,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:09:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:09:20,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:09:20,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:09:20,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:09:20,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:09:20,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 21:09:20,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 21:09:20,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:09:20,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:09:20,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:09:20,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:09:20,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:09:20,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:09:20,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-29 21:09:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:09:20,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:09:20,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:09:20,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 21:09:20,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:09:20,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 21:09:20,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:09:20,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:09:20,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:09:20,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-29 21:09:20,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:09:20,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:09:20,773 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-10-29 21:09:20,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1663718284] [2020-10-29 21:09:20,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 21:09:20,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 21:09:20,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860908396] [2020-10-29 21:09:20,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 21:09:20,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 21:09:20,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 21:09:20,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 21:09:20,800 INFO L87 Difference]: Start difference. First operand 1666 states. Second operand 5 states. [2020-10-29 21:09:40,469 WARN L193 SmtUtils]: Spent 19.58 s on a formula simplification that was a NOOP. DAG size: 1903 [2020-10-29 21:10:51,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 21:10:51,360 INFO L93 Difference]: Finished difference Result 2775 states and 3732 transitions. [2020-10-29 21:10:51,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 21:10:51,363 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2020-10-29 21:10:51,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 21:10:51,396 INFO L225 Difference]: With dead ends: 2775 [2020-10-29 21:10:51,396 INFO L226 Difference]: Without dead ends: 1452 [2020-10-29 21:10:51,409 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 39.7s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 21:10:51,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1452 states. [2020-10-29 21:10:52,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1452 to 1270. [2020-10-29 21:10:52,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1270 states. [2020-10-29 21:10:52,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 1270 states and 1688 transitions. [2020-10-29 21:10:52,713 INFO L78 Accepts]: Start accepts. Automaton has 1270 states and 1688 transitions. Word has length 74 [2020-10-29 21:10:52,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 21:10:52,714 INFO L481 AbstractCegarLoop]: Abstraction has 1270 states and 1688 transitions. [2020-10-29 21:10:52,714 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 21:10:52,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1688 transitions. [2020-10-29 21:10:52,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-10-29 21:10:52,719 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 21:10:52,719 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 21:10:52,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 21:10:52,720 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 21:10:52,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 21:10:52,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1865751126, now seen corresponding path program 1 times [2020-10-29 21:10:52,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 21:10:52,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1469613711] [2020-10-29 21:10:52,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 21:10:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:10:53,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:11:05,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:11:05,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-29 21:11:05,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:11:05,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12621 [2020-10-29 21:11:05,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:11:05,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:11:05,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 21:11:05,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-29 21:11:05,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 21:11:05,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:11:25,875 WARN L193 SmtUtils]: Spent 19.96 s on a formula simplification that was a NOOP. DAG size: 1900 [2020-10-29 21:11:25,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 21:11:25,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:11:25,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:11:28,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:11:28,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:11:28,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:11:28,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2906 [2020-10-29 21:11:28,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:11:28,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:11:28,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:11:28,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:11:28,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:11:28,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:11:29,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:11:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:11:29,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:11:29,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:11:29,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 21:11:29,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:11:29,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-29 21:11:29,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:11:29,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:11:29,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:11:29,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:11:29,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:11:29,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:11:29,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:11:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:11:29,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:11:29,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:11:29,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:11:29,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:11:29,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 21:11:29,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:11:29,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:11:29,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:11:29,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:11:29,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:11:29,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:11:29,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:11:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:11:29,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:11:29,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:11:29,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:11:29,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:11:29,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 21:11:29,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:11:29,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:11:29,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:11:29,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:11:29,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:11:29,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:11:29,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 21:11:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:11:29,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:11:29,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:11:29,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 21:11:29,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:11:29,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-29 21:11:29,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:11:29,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:11:29,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:11:29,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:11:29,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:11:29,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:11:29,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:11:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:11:29,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:11:29,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:11:29,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:11:29,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:11:29,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 21:11:29,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:11:29,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:11:29,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:11:29,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:11:29,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:11:29,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:11:29,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:11:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:11:29,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:11:29,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:11:29,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:11:29,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:11:29,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 21:11:29,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:11:29,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:11:29,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:11:29,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:11:29,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:11:29,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:11:29,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 21:11:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:11:29,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:11:29,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:11:29,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 21:11:29,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:11:29,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 21:11:29,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:11:29,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:11:29,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:11:29,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:11:29,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:11:29,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:11:29,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:11:29,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:11:29,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:11:29,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:11:29,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:11:29,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:11:29,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 21:11:29,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:11:29,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:11:29,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:11:29,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:11:29,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:11:29,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:11:29,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:11:29,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:11:29,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:11:29,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:11:29,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:11:29,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:11:29,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 21:11:29,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:11:29,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:11:29,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:11:29,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:11:29,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:11:29,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 21:11:29,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-29 21:11:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:11:29,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:11:29,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:11:29,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 21:11:29,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:11:29,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 21:11:29,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:11:29,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:11:29,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:11:29,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:11:29,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:11:29,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:11:29,515 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-29 21:11:29,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1469613711] [2020-10-29 21:11:29,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 21:11:29,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 21:11:29,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298203145] [2020-10-29 21:11:29,519 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 21:11:29,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 21:11:29,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 21:11:29,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-29 21:11:29,520 INFO L87 Difference]: Start difference. First operand 1270 states and 1688 transitions. Second operand 6 states. [2020-10-29 21:11:49,676 WARN L193 SmtUtils]: Spent 20.10 s on a formula simplification that was a NOOP. DAG size: 1903