/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=DEEPEST --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 [2020-10-28 07:43:33,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 07:43:33,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 07:43:33,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 07:43:33,853 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 07:43:33,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 07:43:33,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 07:43:33,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 07:43:33,869 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 07:43:33,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 07:43:33,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 07:43:33,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 07:43:33,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 07:43:33,889 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 07:43:33,892 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 07:43:33,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 07:43:33,895 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 07:43:33,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 07:43:33,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 07:43:33,913 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 07:43:33,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 07:43:33,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 07:43:33,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 07:43:33,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 07:43:33,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 07:43:33,925 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 07:43:33,925 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 07:43:33,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 07:43:33,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 07:43:33,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 07:43:33,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 07:43:33,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 07:43:33,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 07:43:33,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 07:43:33,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 07:43:33,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 07:43:33,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 07:43:33,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 07:43:33,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 07:43:33,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 07:43:33,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 07:43:33,936 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 [2020-10-28 07:43:33,961 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 07:43:33,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 07:43:33,962 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 07:43:33,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 07:43:33,963 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 07:43:33,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 07:43:33,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 07:43:33,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 07:43:33,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 07:43:33,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 07:43:33,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 07:43:33,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 07:43:33,964 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 07:43:33,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 07:43:33,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 07:43:33,965 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 07:43:33,965 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 07:43:33,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 07:43:33,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 07:43:33,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 07:43:33,966 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 07:43:33,966 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 07:43:33,966 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 07:43:33,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 07:43:33,967 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 07:43:33,967 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 07:43:33,967 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 07:43:33,967 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 07:43:34,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 07:43:34,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 07:43:34,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 07:43:34,425 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 07:43:34,426 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 07:43:34,427 INFO L432 ainManager$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 [2020-10-28 07:43:34,511 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/848fc649e/6f19b264cf5a41b78d4152b346d3e25f/FLAGb2d6413c9 [2020-10-28 07:43:35,532 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 07:43:35,533 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 [2020-10-28 07:43:35,585 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/848fc649e/6f19b264cf5a41b78d4152b346d3e25f/FLAGb2d6413c9 [2020-10-28 07:43:36,029 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/848fc649e/6f19b264cf5a41b78d4152b346d3e25f [2020-10-28 07:43:36,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 07:43:36,040 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 07:43:36,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 07:43:36,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 07:43:36,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 07:43:36,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 07:43:36" (1/1) ... [2020-10-28 07:43:36,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36a931c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:43:36, skipping insertion in model container [2020-10-28 07:43:36,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 07:43:36" (1/1) ... [2020-10-28 07:43:36,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 07:43:36,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 07:43:38,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 07:43:38,157 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 07:43:38,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 07:43:38,990 INFO L208 MainTranslator]: Completed translation [2020-10-28 07:43:38,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:43:38 WrapperNode [2020-10-28 07:43:38,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 07:43:38,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 07:43:38,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 07:43:38,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 07:43:39,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:43:38" (1/1) ... [2020-10-28 07:43:39,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:43:38" (1/1) ... [2020-10-28 07:43:39,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:43:38" (1/1) ... [2020-10-28 07:43:39,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:43:38" (1/1) ... [2020-10-28 07:43:39,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:43:38" (1/1) ... [2020-10-28 07:43:39,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:43:38" (1/1) ... [2020-10-28 07:43:39,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:43:38" (1/1) ... [2020-10-28 07:43:39,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 07:43:39,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 07:43:39,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 07:43:39,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 07:43:39,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:43:38" (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 [2020-10-28 07:43:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 07:43:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 07:43:39,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-28 07:43:39,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2020-10-28 07:43:39,504 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 07:43:39,505 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-28 07:43:39,505 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-28 07:43:39,505 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-28 07:43:39,506 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 07:43:39,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 07:43:39,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-28 07:43:39,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-10-28 07:43:39,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-10-28 07:43:39,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-28 07:43:39,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-28 07:43:39,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-28 07:43:39,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 07:43:39,510 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-10-28 07:43:39,510 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-28 07:43:39,511 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-28 07:43:39,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2020-10-28 07:43:39,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2020-10-28 07:43:39,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2020-10-28 07:43:39,511 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2020-10-28 07:43:39,511 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2020-10-28 07:43:39,512 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-10-28 07:43:39,512 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-10-28 07:43:39,512 INFO L138 BoogieDeclarations]: Found implementation of procedure outsb [2020-10-28 07:43:39,512 INFO L138 BoogieDeclarations]: Found implementation of procedure insb [2020-10-28 07:43:39,512 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-10-28 07:43:39,512 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-10-28 07:43:39,512 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-10-28 07:43:39,513 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-28 07:43:39,513 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-28 07:43:39,513 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2020-10-28 07:43:39,513 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2020-10-28 07:43:39,513 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2020-10-28 07:43:39,513 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channelmap [2020-10-28 07:43:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2020-10-28 07:43:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure mI_alloc_skb [2020-10-28 07:43:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure _alloc_mISDN_skb [2020-10-28 07:43:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure _queue_data [2020-10-28 07:43:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure _set_debug [2020-10-28 07:43:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure set_debug [2020-10-28 07:43:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadW6692 [2020-10-28 07:43:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteW6692 [2020-10-28 07:43:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadW6692B [2020-10-28 07:43:39,516 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteW6692B [2020-10-28 07:43:39,516 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_hwirq [2020-10-28 07:43:39,516 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_hwirq [2020-10-28 07:43:39,516 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692Version [2020-10-28 07:43:39,516 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_led_handler [2020-10-28 07:43:39,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ph_command [2020-10-28 07:43:39,517 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_new_ph [2020-10-28 07:43:39,517 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_ph_bh [2020-10-28 07:43:39,517 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_empty_Dfifo [2020-10-28 07:43:39,517 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_fill_Dfifo [2020-10-28 07:43:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure d_retransmit [2020-10-28 07:43:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rxD [2020-10-28 07:43:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_txD [2020-10-28 07:43:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_statusD [2020-10-28 07:43:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_empty_Bfifo [2020-10-28 07:43:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_fill_Bfifo [2020-10-28 07:43:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_pots [2020-10-28 07:43:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_mode [2020-10-28 07:43:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure send_next [2020-10-28 07:43:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692B_interrupt [2020-10-28 07:43:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_irq [2020-10-28 07:43:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure dbusy_timer_handler [2020-10-28 07:43:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure initW6692 [2020-10-28 07:43:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_w6692 [2020-10-28 07:43:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure init_card [2020-10-28 07:43:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_l2l1B [2020-10-28 07:43:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_bctrl [2020-10-28 07:43:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure open_bchannel [2020-10-28 07:43:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_ctrl [2020-10-28 07:43:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_bctrl [2020-10-28 07:43:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_l2l1D [2020-10-28 07:43:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_l1callback [2020-10-28 07:43:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure open_dchannel [2020-10-28 07:43:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_dctrl [2020-10-28 07:43:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_w6692 [2020-10-28 07:43:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure release_card [2020-10-28 07:43:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_instance [2020-10-28 07:43:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_probe [2020-10-28 07:43:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_remove_pci [2020-10-28 07:43:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_init [2020-10-28 07:43:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_cleanup [2020-10-28 07:43:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2020-10-28 07:43:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_kernel_param_ops_5 [2020-10-28 07:43:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2020-10-28 07:43:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2020-10-28 07:43:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2020-10-28 07:43:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_3 [2020-10-28 07:43:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2020-10-28 07:43:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2020-10-28 07:43:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2020-10-28 07:43:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2020-10-28 07:43:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2020-10-28 07:43:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2020-10-28 07:43:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2020-10-28 07:43:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_4 [2020-10-28 07:43:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2020-10-28 07:43:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 07:43:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-28 07:43:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-28 07:43:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-28 07:43:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-28 07:43:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2020-10-28 07:43:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2020-10-28 07:43:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2020-10-28 07:43:39,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2020-10-28 07:43:39,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2020-10-28 07:43:39,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2020-10-28 07:43:39,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2020-10-28 07:43:39,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2020-10-28 07:43:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2020-10-28 07:43:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2020-10-28 07:43:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_37 [2020-10-28 07:43:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_38 [2020-10-28 07:43:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_39 [2020-10-28 07:43:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_40 [2020-10-28 07:43:39,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_41 [2020-10-28 07:43:39,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_42 [2020-10-28 07:43:39,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_43 [2020-10-28 07:43:39,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_44 [2020-10-28 07:43:39,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_45 [2020-10-28 07:43:39,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_46 [2020-10-28 07:43:39,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 07:43:39,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-28 07:43:39,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-28 07:43:39,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-28 07:43:39,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-28 07:43:39,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-10-28 07:43:39,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-28 07:43:39,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-10-28 07:43:39,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-10-28 07:43:39,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-10-28 07:43:39,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-10-28 07:43:39,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-28 07:43:39,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2020-10-28 07:43:39,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-28 07:43:39,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2020-10-28 07:43:39,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-28 07:43:39,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-10-28 07:43:39,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-10-28 07:43:39,549 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock [2020-10-28 07:43:39,549 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock [2020-10-28 07:43:39,549 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-28 07:43:39,549 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-28 07:43:39,549 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-28 07:43:39,549 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_irqsave [2020-10-28 07:43:39,550 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_irqrestore [2020-10-28 07:43:39,550 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2020-10-28 07:43:39,550 INFO L138 BoogieDeclarations]: Found implementation of procedure bchannel_get_rxbuf [2020-10-28 07:43:39,550 INFO L138 BoogieDeclarations]: Found implementation of procedure bchannel_senddata [2020-10-28 07:43:39,550 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2020-10-28 07:43:39,551 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2020-10-28 07:43:39,551 INFO L138 BoogieDeclarations]: Found implementation of procedure create_l1 [2020-10-28 07:43:39,551 INFO L138 BoogieDeclarations]: Found implementation of procedure dchannel_senddata [2020-10-28 07:43:39,551 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2020-10-28 07:43:39,551 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-10-28 07:43:39,551 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_bframe [2020-10-28 07:43:39,551 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_dframe [2020-10-28 07:43:39,551 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_event [2020-10-28 07:43:39,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 07:43:39,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 07:43:39,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_4 [2020-10-28 07:43:39,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-10-28 07:43:39,552 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-28 07:43:39,552 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_clear_bchannel [2020-10-28 07:43:39,552 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_ctrl_bchannel [2020-10-28 07:43:39,553 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freebchannel [2020-10-28 07:43:39,554 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freedchannel [2020-10-28 07:43:39,554 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_initbchannel [2020-10-28 07:43:39,554 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_initdchannel [2020-10-28 07:43:39,554 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_register_device [2020-10-28 07:43:39,554 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_unregister_device [2020-10-28 07:43:39,554 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2020-10-28 07:43:39,554 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2020-10-28 07:43:39,555 INFO L138 BoogieDeclarations]: Found implementation of procedure param_get_uint [2020-10-28 07:43:39,555 INFO L138 BoogieDeclarations]: Found implementation of procedure param_set_uint [2020-10-28 07:43:39,555 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2020-10-28 07:43:39,555 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2020-10-28 07:43:39,555 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2020-10-28 07:43:39,555 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2020-10-28 07:43:39,555 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-28 07:43:39,556 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_ch_frame [2020-10-28 07:43:39,556 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2020-10-28 07:43:39,556 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Bchannel [2020-10-28 07:43:39,556 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Dchannel [2020-10-28 07:43:39,556 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2020-10-28 07:43:39,556 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-28 07:43:39,557 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2020-10-28 07:43:39,557 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-10-28 07:43:39,557 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2020-10-28 07:43:39,557 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 07:43:39,557 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-28 07:43:39,557 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-28 07:43:39,558 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-28 07:43:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 07:43:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 07:43:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 07:43:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 07:43:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 07:43:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 07:43:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_return_address [2020-10-28 07:43:39,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 07:43:39,559 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-28 07:43:39,559 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-28 07:43:39,559 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-28 07:43:39,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 07:43:39,559 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-28 07:43:39,559 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2020-10-28 07:43:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2020-10-28 07:43:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-28 07:43:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-10-28 07:43:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-10-28 07:43:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 07:43:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 07:43:39,560 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-28 07:43:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 07:43:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 07:43:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 07:43:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 07:43:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 07:43:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 07:43:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-28 07:43:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-10-28 07:43:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-10-28 07:43:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-28 07:43:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-28 07:43:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-28 07:43:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-28 07:43:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-28 07:43:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-10-28 07:43:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 07:43:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-28 07:43:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-28 07:43:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-28 07:43:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-28 07:43:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-28 07:43:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-28 07:43:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-28 07:43:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock [2020-10-28 07:43:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_irqsave [2020-10-28 07:43:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock [2020-10-28 07:43:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_irqrestore [2020-10-28 07:43:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-28 07:43:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2020-10-28 07:43:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-28 07:43:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2020-10-28 07:43:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-28 07:43:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2020-10-28 07:43:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-28 07:43:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2020-10-28 07:43:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_37 [2020-10-28 07:43:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_38 [2020-10-28 07:43:39,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_39 [2020-10-28 07:43:39,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_42 [2020-10-28 07:43:39,567 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2020-10-28 07:43:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2020-10-28 07:43:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2020-10-28 07:43:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2020-10-28 07:43:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2020-10-28 07:43:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-10-28 07:43:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-10-28 07:43:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-10-28 07:43:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-10-28 07:43:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure outsb [2020-10-28 07:43:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2020-10-28 07:43:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-10-28 07:43:39,573 INFO L130 BoogieDeclarations]: Found specification of procedure param_set_uint [2020-10-28 07:43:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure param_get_uint [2020-10-28 07:43:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2020-10-28 07:43:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2020-10-28 07:43:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 07:43:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-28 07:43:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-10-28 07:43:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2020-10-28 07:43:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_kernel_param_ops_5 [2020-10-28 07:43:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2020-10-28 07:43:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2020-10-28 07:43:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2020-10-28 07:43:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_3 [2020-10-28 07:43:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2020-10-28 07:43:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2020-10-28 07:43:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2020-10-28 07:43:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2020-10-28 07:43:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2020-10-28 07:43:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2020-10-28 07:43:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2020-10-28 07:43:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_4 [2020-10-28 07:43:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2020-10-28 07:43:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2020-10-28 07:43:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-10-28 07:43:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_40 [2020-10-28 07:43:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-10-28 07:43:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_41 [2020-10-28 07:43:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_43 [2020-10-28 07:43:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_44 [2020-10-28 07:43:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-10-28 07:43:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-28 07:43:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-28 07:43:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 07:43:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2020-10-28 07:43:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2020-10-28 07:43:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2020-10-28 07:43:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_45 [2020-10-28 07:43:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2020-10-28 07:43:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_46 [2020-10-28 07:43:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2020-10-28 07:43:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2020-10-28 07:43:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2020-10-28 07:43:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-28 07:43:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2020-10-28 07:43:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure set_channelmap [2020-10-28 07:43:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 07:43:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2020-10-28 07:43:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2020-10-28 07:43:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2020-10-28 07:43:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2020-10-28 07:43:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2020-10-28 07:43:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2020-10-28 07:43:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2020-10-28 07:43:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2020-10-28 07:43:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-28 07:43:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2020-10-28 07:43:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-10-28 07:43:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2020-10-28 07:43:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2020-10-28 07:43:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2020-10-28 07:43:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2020-10-28 07:43:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure mI_alloc_skb [2020-10-28 07:43:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure _alloc_mISDN_skb [2020-10-28 07:43:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-28 07:43:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure _queue_data [2020-10-28 07:43:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-28 07:43:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_register_device [2020-10-28 07:43:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_unregister_device [2020-10-28 07:43:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure create_l1 [2020-10-28 07:43:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure l1_event [2020-10-28 07:43:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_initdchannel [2020-10-28 07:43:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_initbchannel [2020-10-28 07:43:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freedchannel [2020-10-28 07:43:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_clear_bchannel [2020-10-28 07:43:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freebchannel [2020-10-28 07:43:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_ctrl_bchannel [2020-10-28 07:43:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure queue_ch_frame [2020-10-28 07:43:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure dchannel_senddata [2020-10-28 07:43:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure bchannel_senddata [2020-10-28 07:43:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure bchannel_get_rxbuf [2020-10-28 07:43:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Dchannel [2020-10-28 07:43:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Bchannel [2020-10-28 07:43:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_bframe [2020-10-28 07:43:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_dframe [2020-10-28 07:43:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure _set_debug [2020-10-28 07:43:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure set_debug [2020-10-28 07:43:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure ReadW6692 [2020-10-28 07:43:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure WriteW6692 [2020-10-28 07:43:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure ReadW6692B [2020-10-28 07:43:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure WriteW6692B [2020-10-28 07:43:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure enable_hwirq [2020-10-28 07:43:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure disable_hwirq [2020-10-28 07:43:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure W6692Version [2020-10-28 07:43:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_led_handler [2020-10-28 07:43:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure ph_command [2020-10-28 07:43:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 07:43:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_new_ph [2020-10-28 07:43:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_ph_bh [2020-10-28 07:43:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_empty_Dfifo [2020-10-28 07:43:39,587 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_fill_Dfifo [2020-10-28 07:43:39,587 INFO L130 BoogieDeclarations]: Found specification of procedure d_retransmit [2020-10-28 07:43:39,587 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rxD [2020-10-28 07:43:39,587 INFO L130 BoogieDeclarations]: Found specification of procedure handle_txD [2020-10-28 07:43:39,587 INFO L130 BoogieDeclarations]: Found specification of procedure handle_statusD [2020-10-28 07:43:39,587 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_empty_Bfifo [2020-10-28 07:43:39,587 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_fill_Bfifo [2020-10-28 07:43:39,587 INFO L130 BoogieDeclarations]: Found specification of procedure disable_pots [2020-10-28 07:43:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_mode [2020-10-28 07:43:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure send_next [2020-10-28 07:43:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure W6692B_interrupt [2020-10-28 07:43:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_irq [2020-10-28 07:43:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure dbusy_timer_handler [2020-10-28 07:43:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure initW6692 [2020-10-28 07:43:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure reset_w6692 [2020-10-28 07:43:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure init_card [2020-10-28 07:43:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_l2l1B [2020-10-28 07:43:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure channel_bctrl [2020-10-28 07:43:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure open_bchannel [2020-10-28 07:43:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure channel_ctrl [2020-10-28 07:43:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_bctrl [2020-10-28 07:43:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_l2l1D [2020-10-28 07:43:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_l1callback [2020-10-28 07:43:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure open_dchannel [2020-10-28 07:43:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_dctrl [2020-10-28 07:43:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure setup_w6692 [2020-10-28 07:43:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure release_card [2020-10-28 07:43:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure setup_instance [2020-10-28 07:43:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_probe [2020-10-28 07:43:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_remove_pci [2020-10-28 07:43:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_init [2020-10-28 07:43:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_cleanup [2020-10-28 07:43:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 07:43:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 07:43:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_4 [2020-10-28 07:43:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2020-10-28 07:43:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 07:43:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 07:43:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-28 07:43:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-28 07:43:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-28 07:43:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-28 07:43:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-10-28 07:43:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-28 07:43:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-10-28 07:43:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-10-28 07:43:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-28 07:43:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 07:43:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 07:43:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 07:43:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 07:43:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 07:43:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 07:43:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-28 07:43:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 07:43:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-28 07:43:41,198 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-28 07:43:58,262 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 07:43:58,263 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 07:43:58,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 07:43:58 BoogieIcfgContainer [2020-10-28 07:43:58,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 07:43:58,271 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 07:43:58,271 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 07:43:58,275 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 07:43:58,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 07:43:36" (1/3) ... [2020-10-28 07:43:58,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47e61676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 07:43:58, skipping insertion in model container [2020-10-28 07:43:58,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:43:38" (2/3) ... [2020-10-28 07:43:58,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47e61676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 07:43:58, skipping insertion in model container [2020-10-28 07:43:58,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 07:43:58" (3/3) ... [2020-10-28 07:43:58,280 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i [2020-10-28 07:43:58,292 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 07:43:58,301 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 07:43:58,317 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 07:43:58,364 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 07:43:58,365 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 07:43:58,365 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 07:43:58,365 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 07:43:58,365 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 07:43:58,365 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 07:43:58,365 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 07:43:58,365 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 07:43:58,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states. [2020-10-28 07:43:58,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-10-28 07:43:58,448 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 07:43:58,449 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] [2020-10-28 07:43:58,450 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 07:43:58,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 07:43:58,459 INFO L82 PathProgramCache]: Analyzing trace with hash 279216592, now seen corresponding path program 1 times [2020-10-28 07:43:58,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 07:43:58,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1597788388] [2020-10-28 07:43:58,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 07:43:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:43:59,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:44:00,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:44:00,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:44:08,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:44:08,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 07:44:08,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 07:44:08,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9414 [2020-10-28 07:44:08,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:44:08,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:44:08,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-28 07:44:08,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:44:08,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 07:44:30,801 WARN L193 SmtUtils]: Spent 21.46 s on a formula simplification that was a NOOP. DAG size: 1900 [2020-10-28 07:44:30,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 07:44:30,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:44:30,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:44:33,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:44:33,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 07:44:33,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:44:33,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2625 [2020-10-28 07:44:33,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:44:33,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:44:33,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:44:33,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:44:33,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:44:33,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 07:44:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:44:33,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:44:33,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:44:33,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:44:33,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 07:44:33,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 07:44:33,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-28 07:44:33,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:44:33,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:44:33,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-28 07:44:33,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:44:33,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:44:33,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 07:44:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:44:33,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:44:33,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:44:33,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 07:44:33,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:44:33,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 07:44:33,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:44:33,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:44:33,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:44:33,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:44:33,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:44:33,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 07:44:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:44:33,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:44:33,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:44:33,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 07:44:33,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:44:33,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 07:44:33,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:44:33,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:44:33,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 07:44:33,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:44:33,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:44:33,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 07:44:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:44:33,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:44:33,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:44:33,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:44:33,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 07:44:33,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 07:44:33,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-28 07:44:33,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:44:33,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:44:33,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-28 07:44:33,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:44:33,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:44:33,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 07:44:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:44:33,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:44:33,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:44:33,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 07:44:33,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:44:33,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 07:44:33,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:44:33,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:44:33,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:44:33,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:44:33,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:44:33,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 07:44:33,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:44:33,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:44:34,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:44:34,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 07:44:34,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:44:34,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 07:44:34,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:44:34,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:44:34,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 07:44:34,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:44:34,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:44:34,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 07:44:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:44:34,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:44:34,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:44:34,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 07:44:34,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:44:34,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-28 07:44:34,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:44:34,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:44:34,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-28 07:44:34,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:44:34,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:44:34,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 07:44:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:44:34,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:44:34,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:44:34,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 07:44:34,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:44:34,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 07:44:34,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:44:34,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:44:34,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:44:34,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:44:34,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:44:34,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 07:44:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:44:34,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:44:34,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:44:34,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 07:44:34,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:44:34,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 07:44:34,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:44:34,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:44:34,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 07:44:34,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:44:34,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:44:34,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 07:44:34,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:44:34,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:44:34,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:44:34,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 07:44:34,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:44:34,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 07:44:34,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:44:34,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:44:34,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 07:44:34,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:44:34,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:44:34,259 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-28 07:44:34,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1597788388] [2020-10-28 07:44:34,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 07:44:34,262 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 07:44:34,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287277324] [2020-10-28 07:44:34,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 07:44:34,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 07:44:34,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 07:44:34,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 07:44:34,285 INFO L87 Difference]: Start difference. First operand 1666 states. Second operand 5 states. [2020-10-28 07:44:55,634 WARN L193 SmtUtils]: Spent 21.27 s on a formula simplification that was a NOOP. DAG size: 1903 [2020-10-28 07:46:08,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 07:46:08,908 INFO L93 Difference]: Finished difference Result 2775 states and 3732 transitions. [2020-10-28 07:46:08,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 07:46:08,910 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2020-10-28 07:46:08,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 07:46:08,942 INFO L225 Difference]: With dead ends: 2775 [2020-10-28 07:46:08,943 INFO L226 Difference]: Without dead ends: 1452 [2020-10-28 07:46:08,959 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 42.9s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 07:46:08,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1452 states. [2020-10-28 07:46:09,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1452 to 1270. [2020-10-28 07:46:09,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1270 states. [2020-10-28 07:46:09,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 1270 states and 1688 transitions. [2020-10-28 07:46:09,966 INFO L78 Accepts]: Start accepts. Automaton has 1270 states and 1688 transitions. Word has length 74 [2020-10-28 07:46:09,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 07:46:09,966 INFO L481 AbstractCegarLoop]: Abstraction has 1270 states and 1688 transitions. [2020-10-28 07:46:09,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 07:46:09,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1688 transitions. [2020-10-28 07:46:09,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-10-28 07:46:09,971 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 07:46:09,972 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] [2020-10-28 07:46:09,972 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 07:46:09,972 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 07:46:09,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 07:46:09,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1865751126, now seen corresponding path program 1 times [2020-10-28 07:46:09,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 07:46:09,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [729180911] [2020-10-28 07:46:09,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 07:46:10,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:46:10,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:46:22,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:46:22,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-28 07:46:22,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:46:22,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12165 [2020-10-28 07:46:22,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:46:22,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 07:46:22,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-28 07:46:22,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 07:46:22,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:46:44,306 WARN L193 SmtUtils]: Spent 21.41 s on a formula simplification that was a NOOP. DAG size: 1900 [2020-10-28 07:46:44,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 07:46:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:46:44,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:46:47,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:46:47,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 07:46:47,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:46:47,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3319 [2020-10-28 07:46:47,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:46:47,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:46:47,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:46:47,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:46:47,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:46:47,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 07:46:47,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:46:47,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:46:47,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:46:47,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 07:46:47,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:46:47,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 07:46:47,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:46:47,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:46:47,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:46:47,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:46:47,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:46:47,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 07:46:47,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:46:47,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:46:47,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:46:47,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 07:46:47,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:46:47,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 07:46:47,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:46:47,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:46:47,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:46:47,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:46:47,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:46:48,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 07:46:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:46:48,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:46:48,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:46:48,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 07:46:48,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:46:48,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 07:46:48,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:46:48,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:46:48,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:46:48,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:46:48,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:46:48,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 07:46:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:46:48,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:46:48,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:46:48,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 07:46:48,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:46:48,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 07:46:48,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:46:48,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:46:48,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:46:48,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:46:48,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:46:48,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 07:46:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:46:48,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:46:48,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:46:48,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 07:46:48,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:46:48,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 07:46:48,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:46:48,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:46:48,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:46:48,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:46:48,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:46:48,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 07:46:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:46:48,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:46:48,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:46:48,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 07:46:48,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:46:48,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 07:46:48,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:46:48,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:46:48,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:46:48,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:46:48,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:46:48,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 07:46:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:46:48,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:46:48,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:46:48,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 07:46:48,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:46:48,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 07:46:48,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:46:48,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:46:48,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:46:48,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:46:48,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:46:48,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 07:46:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:46:48,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:46:48,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:46:48,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 07:46:48,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:46:48,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 07:46:48,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:46:48,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:46:48,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:46:48,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:46:48,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:46:48,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 07:46:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:46:48,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:46:48,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:46:48,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 07:46:48,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:46:48,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 07:46:48,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:46:48,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:46:48,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:46:48,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:46:48,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:46:48,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 07:46:48,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 07:46:48,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 07:46:48,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 07:46:48,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 07:46:48,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 07:46:48,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 07:46:48,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 07:46:48,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 07:46:48,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 07:46:48,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 07:46:48,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 07:46:48,279 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-28 07:46:48,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [729180911] [2020-10-28 07:46:48,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 07:46:48,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 07:46:48,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158567515] [2020-10-28 07:46:48,283 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 07:46:48,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 07:46:48,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 07:46:48,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-28 07:46:48,284 INFO L87 Difference]: Start difference. First operand 1270 states and 1688 transitions. Second operand 6 states. [2020-10-28 07:47:09,849 WARN L193 SmtUtils]: Spent 21.51 s on a formula simplification that was a NOOP. DAG size: 1903