/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --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=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--cadence--at91_ether.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 02:49:22,538 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 02:49:22,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 02:49:22,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 02:49:22,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 02:49:22,570 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 02:49:22,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 02:49:22,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 02:49:22,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 02:49:22,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 02:49:22,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 02:49:22,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 02:49:22,580 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 02:49:22,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 02:49:22,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 02:49:22,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 02:49:22,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 02:49:22,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 02:49:22,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 02:49:22,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 02:49:22,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 02:49:22,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 02:49:22,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 02:49:22,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 02:49:22,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 02:49:22,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 02:49:22,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 02:49:22,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 02:49:22,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 02:49:22,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 02:49:22,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 02:49:22,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 02:49:22,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 02:49:22,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 02:49:22,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 02:49:22,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 02:49:22,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 02:49:22,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 02:49:22,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 02:49:22,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 02:49:22,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 02:49:22,613 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 [2020-09-25 02:49:22,639 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 02:49:22,640 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 02:49:22,641 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 02:49:22,641 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 02:49:22,641 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 02:49:22,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 02:49:22,642 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 02:49:22,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 02:49:22,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 02:49:22,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 02:49:22,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 02:49:22,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 02:49:22,646 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 02:49:22,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 02:49:22,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 02:49:22,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 02:49:22,647 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 02:49:22,647 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 02:49:22,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 02:49:22,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 02:49:22,648 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 02:49:22,648 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 02:49:22,649 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 02:49:22,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 02:49:22,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 02:49:22,649 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 02:49:22,649 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 02:49:22,650 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement 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=NARROWEST;log-additional-information=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=NARROWEST;log-additional-information=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=NARROWEST;log-additional-information=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=NARROWEST;log-additional-information=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=NARROWEST;log-additional-information=true; [2020-09-25 02:49:23,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 02:49:23,222 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 02:49:23,227 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 02:49:23,229 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 02:49:23,230 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 02:49:23,232 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--cadence--at91_ether.ko-entry_point.cil.out.i [2020-09-25 02:49:23,326 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/54f81675a/3f17f0b6eefa4df6bdcf969103a61e23/FLAGa991e9b4c [2020-09-25 02:49:24,346 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 02:49:24,347 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--cadence--at91_ether.ko-entry_point.cil.out.i [2020-09-25 02:49:24,397 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/54f81675a/3f17f0b6eefa4df6bdcf969103a61e23/FLAGa991e9b4c [2020-09-25 02:49:24,737 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/54f81675a/3f17f0b6eefa4df6bdcf969103a61e23 [2020-09-25 02:49:24,751 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 02:49:24,756 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 02:49:24,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 02:49:24,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 02:49:24,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 02:49:24,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:49:24" (1/1) ... [2020-09-25 02:49:24,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@108dd9b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:24, skipping insertion in model container [2020-09-25 02:49:24,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:49:24" (1/1) ... [2020-09-25 02:49:24,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 02:49:24,929 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 02:49:26,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 02:49:27,010 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 02:49:27,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 02:49:27,620 INFO L208 MainTranslator]: Completed translation [2020-09-25 02:49:27,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:27 WrapperNode [2020-09-25 02:49:27,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 02:49:27,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 02:49:27,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 02:49:27,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 02:49:27,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:27" (1/1) ... [2020-09-25 02:49:27,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:27" (1/1) ... [2020-09-25 02:49:27,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:27" (1/1) ... [2020-09-25 02:49:27,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:27" (1/1) ... [2020-09-25 02:49:27,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:27" (1/1) ... [2020-09-25 02:49:27,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:27" (1/1) ... [2020-09-25 02:49:27,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:27" (1/1) ... [2020-09-25 02:49:27,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 02:49:27,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 02:49:27,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 02:49:27,914 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 02:49:27,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:27" (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 [2020-09-25 02:49:27,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 02:49:27,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 02:49:27,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2020-09-25 02:49:27,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2020-09-25 02:49:27,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-09-25 02:49:27,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2020-09-25 02:49:27,995 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-09-25 02:49:27,996 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-09-25 02:49:27,996 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-09-25 02:49:27,996 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-09-25 02:49:27,997 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-09-25 02:49:27,997 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2020-09-25 02:49:27,997 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2020-09-25 02:49:27,997 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2020-09-25 02:49:27,997 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-09-25 02:49:27,997 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-09-25 02:49:27,998 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2020-09-25 02:49:27,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2020-09-25 02:49:27,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2020-09-25 02:49:27,998 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2020-09-25 02:49:27,998 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-09-25 02:49:27,999 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-09-25 02:49:27,999 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-25 02:49:27,999 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 02:49:27,999 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2020-09-25 02:49:27,999 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2020-09-25 02:49:28,004 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2020-09-25 02:49:28,006 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2020-09-25 02:49:28,006 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2020-09-25 02:49:28,006 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2020-09-25 02:49:28,006 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2020-09-25 02:49:28,007 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2020-09-25 02:49:28,007 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2020-09-25 02:49:28,007 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2020-09-25 02:49:28,007 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2020-09-25 02:49:28,007 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 02:49:28,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 02:49:28,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 02:49:28,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 02:49:28,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 02:49:28,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 02:49:28,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 02:49:28,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 02:49:28,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 02:49:28,011 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_irq [2020-09-25 02:49:28,011 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2020-09-25 02:49:28,011 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-09-25 02:49:28,011 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2020-09-25 02:49:28,011 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2020-09-25 02:49:28,012 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2020-09-25 02:49:28,012 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2020-09-25 02:49:28,012 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2020-09-25 02:49:28,012 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2020-09-25 02:49:28,012 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2020-09-25 02:49:28,013 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2020-09-25 02:49:28,013 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2020-09-25 02:49:28,013 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2020-09-25 02:49:28,014 INFO L138 BoogieDeclarations]: Found implementation of procedure of_get_phy_mode [2020-09-25 02:49:28,015 INFO L138 BoogieDeclarations]: Found implementation of procedure of_get_mac_address [2020-09-25 02:49:28,016 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_start [2020-09-25 02:49:28,016 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_open [2020-09-25 02:49:28,016 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_close [2020-09-25 02:49:28,016 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_start_xmit [2020-09-25 02:49:28,016 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_rx [2020-09-25 02:49:28,017 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_interrupt [2020-09-25 02:49:28,017 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_poll_controller [2020-09-25 02:49:28,017 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_probe [2020-09-25 02:49:28,017 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_remove [2020-09-25 02:49:28,017 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_suspend [2020-09-25 02:49:28,017 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_resume [2020-09-25 02:49:28,017 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_driver_init [2020-09-25 02:49:28,017 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_driver_exit [2020-09-25 02:49:28,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_platform_driver_1 [2020-09-25 02:49:28,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2020-09-25 02:49:28,018 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 02:49:28,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2020-09-25 02:49:28,018 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-09-25 02:49:28,018 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-09-25 02:49:28,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-09-25 02:49:28,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-09-25 02:49:28,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-09-25 02:49:28,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-09-25 02:49:28,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-09-25 02:49:28,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_12 [2020-09-25 02:49:28,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2020-09-25 02:49:28,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_14 [2020-09-25 02:49:28,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_15 [2020-09-25 02:49:28,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_16 [2020-09-25 02:49:28,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_17 [2020-09-25 02:49:28,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_18 [2020-09-25 02:49:28,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-09-25 02:49:28,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-25 02:49:28,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-09-25 02:49:28,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-09-25 02:49:28,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-09-25 02:49:28,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-25 02:49:28,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-25 02:49:28,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-25 02:49:28,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-25 02:49:28,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-09-25 02:49:28,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 02:49:28,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-09-25 02:49:28,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-09-25 02:49:28,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-09-25 02:49:28,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-09-25 02:49:28,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-09-25 02:49:28,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 02:49:28,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2020-09-25 02:49:28,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2020-09-25 02:49:28,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2020-09-25 02:49:28,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-09-25 02:49:28,023 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2020-09-25 02:49:28,024 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable [2020-09-25 02:49:28,024 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_enable [2020-09-25 02:49:28,024 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2020-09-25 02:49:28,024 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2020-09-25 02:49:28,025 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2020-09-25 02:49:28,025 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2020-09-25 02:49:28,025 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2020-09-25 02:49:28,025 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap [2020-09-25 02:49:28,025 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2020-09-25 02:49:28,025 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2020-09-25 02:49:28,026 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2020-09-25 02:49:28,026 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2020-09-25 02:49:28,026 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2020-09-25 02:49:28,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2020-09-25 02:49:28,027 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-09-25 02:49:28,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2 [2020-09-25 02:49:28,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2 [2020-09-25 02:49:28,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_1 [2020-09-25 02:49:28,031 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_hwaddr [2020-09-25 02:49:28,031 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_stats [2020-09-25 02:49:28,031 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_ioctl [2020-09-25 02:49:28,031 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mii_init [2020-09-25 02:49:28,032 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_hwaddr [2020-09-25 02:49:28,033 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_rx_mode [2020-09-25 02:49:28,033 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2020-09-25 02:49:28,033 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2020-09-25 02:49:28,033 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2020-09-25 02:49:28,033 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2020-09-25 02:49:28,033 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2020-09-25 02:49:28,034 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2020-09-25 02:49:28,034 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2020-09-25 02:49:28,034 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_disconnect [2020-09-25 02:49:28,034 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_start [2020-09-25 02:49:28,042 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_probe [2020-09-25 02:49:28,042 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2020-09-25 02:49:28,042 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq [2020-09-25 02:49:28,042 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2020-09-25 02:49:28,043 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-25 02:49:28,043 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2020-09-25 02:49:28,043 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-09-25 02:49:28,043 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2020-09-25 02:49:28,043 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2020-09-25 02:49:28,043 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-09-25 02:49:28,043 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-09-25 02:49:28,044 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 02:49:28,045 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-25 02:49:28,045 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 02:49:28,045 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-09-25 02:49:28,045 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 02:49:28,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 02:49:28,046 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-09-25 02:49:28,046 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-09-25 02:49:28,046 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-09-25 02:49:28,046 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-09-25 02:49:28,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 02:49:28,046 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-25 02:49:28,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-25 02:49:28,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-25 02:49:28,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-25 02:49:28,047 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-09-25 02:49:28,047 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2020-09-25 02:49:28,047 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-09-25 02:49:28,047 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-25 02:49:28,047 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-09-25 02:49:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 02:49:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2020-09-25 02:49:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2020-09-25 02:49:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2020-09-25 02:49:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2020-09-25 02:49:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-09-25 02:49:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-09-25 02:49:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-09-25 02:49:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2020-09-25 02:49:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2020-09-25 02:49:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-09-25 02:49:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-09-25 02:49:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2020-09-25 02:49:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2020-09-25 02:49:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2020-09-25 02:49:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2020-09-25 02:49:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 02:49:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-09-25 02:49:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-09-25 02:49:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-25 02:49:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 02:49:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 02:49:28,051 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2020-09-25 02:49:28,051 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2020-09-25 02:49:28,051 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2020-09-25 02:49:28,051 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2020-09-25 02:49:28,051 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2020-09-25 02:49:28,051 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2020-09-25 02:49:28,051 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2020-09-25 02:49:28,052 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2020-09-25 02:49:28,054 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2020-09-25 02:49:28,054 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2020-09-25 02:49:28,054 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2020-09-25 02:49:28,054 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2020-09-25 02:49:28,055 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2020-09-25 02:49:28,057 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2020-09-25 02:49:28,057 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2020-09-25 02:49:28,057 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-09-25 02:49:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2020-09-25 02:49:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 02:49:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2020-09-25 02:49:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-09-25 02:49:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-09-25 02:49:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-09-25 02:49:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-09-25 02:49:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-09-25 02:49:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-09-25 02:49:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2020-09-25 02:49:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 02:49:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_12 [2020-09-25 02:49:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-09-25 02:49:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-09-25 02:49:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-09-25 02:49:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 02:49:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 02:49:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 02:49:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 02:49:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 02:49:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 02:49:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 02:49:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 02:49:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 02:49:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 02:49:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 02:49:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 02:49:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 02:49:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 02:49:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 02:49:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_platform_driver_1 [2020-09-25 02:49:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2020-09-25 02:49:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2020-09-25 02:49:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_irq [2020-09-25 02:49:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2020-09-25 02:49:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-09-25 02:49:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-09-25 02:49:28,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_16 [2020-09-25 02:49:28,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_18 [2020-09-25 02:49:28,063 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2020-09-25 02:49:28,063 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2020-09-25 02:49:28,063 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2020-09-25 02:49:28,064 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2020-09-25 02:49:28,069 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2020-09-25 02:49:28,069 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2020-09-25 02:49:28,069 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2020-09-25 02:49:28,069 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2020-09-25 02:49:28,070 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2020-09-25 02:49:28,070 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2020-09-25 02:49:28,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2020-09-25 02:49:28,070 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2020-09-25 02:49:28,070 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2020-09-25 02:49:28,070 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2020-09-25 02:49:28,070 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2020-09-25 02:49:28,071 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2020-09-25 02:49:28,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_14 [2020-09-25 02:49:28,071 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-09-25 02:49:28,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_15 [2020-09-25 02:49:28,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_17 [2020-09-25 02:49:28,073 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2020-09-25 02:49:28,074 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2020-09-25 02:49:28,074 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2020-09-25 02:49:28,074 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2020-09-25 02:49:28,074 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2020-09-25 02:49:28,074 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2020-09-25 02:49:28,074 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2020-09-25 02:49:28,075 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2020-09-25 02:49:28,075 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2020-09-25 02:49:28,075 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2020-09-25 02:49:28,075 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_probe [2020-09-25 02:49:28,076 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2020-09-25 02:49:28,076 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2020-09-25 02:49:28,076 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2020-09-25 02:49:28,076 INFO L130 BoogieDeclarations]: Found specification of procedure clk_enable [2020-09-25 02:49:28,076 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable [2020-09-25 02:49:28,076 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2020-09-25 02:49:28,076 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2020-09-25 02:49:28,076 INFO L130 BoogieDeclarations]: Found specification of procedure phy_disconnect [2020-09-25 02:49:28,077 INFO L130 BoogieDeclarations]: Found specification of procedure phy_start [2020-09-25 02:49:28,077 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap [2020-09-25 02:49:28,077 INFO L130 BoogieDeclarations]: Found specification of procedure of_get_phy_mode [2020-09-25 02:49:28,077 INFO L130 BoogieDeclarations]: Found specification of procedure of_get_mac_address [2020-09-25 02:49:28,078 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mii_init [2020-09-25 02:49:28,078 INFO L130 BoogieDeclarations]: Found specification of procedure macb_ioctl [2020-09-25 02:49:28,078 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_stats [2020-09-25 02:49:28,079 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_rx_mode [2020-09-25 02:49:28,079 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_hwaddr [2020-09-25 02:49:28,079 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_hwaddr [2020-09-25 02:49:28,079 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_start [2020-09-25 02:49:28,079 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_open [2020-09-25 02:49:28,079 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_close [2020-09-25 02:49:28,079 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_start_xmit [2020-09-25 02:49:28,079 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_rx [2020-09-25 02:49:28,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-09-25 02:49:28,080 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_interrupt [2020-09-25 02:49:28,080 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_poll_controller [2020-09-25 02:49:28,080 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_probe [2020-09-25 02:49:28,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 02:49:28,080 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_remove [2020-09-25 02:49:28,080 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_suspend [2020-09-25 02:49:28,080 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_resume [2020-09-25 02:49:28,081 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_driver_init [2020-09-25 02:49:28,081 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_driver_exit [2020-09-25 02:49:28,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_1 [2020-09-25 02:49:28,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2020-09-25 02:49:28,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2020-09-25 02:49:28,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 02:49:28,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 02:49:28,081 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 02:49:28,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-25 02:49:28,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-09-25 02:49:28,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-25 02:49:28,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-09-25 02:49:28,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-09-25 02:49:28,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-09-25 02:49:28,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-25 02:49:28,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-09-25 02:49:28,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-09-25 02:49:28,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-09-25 02:49:28,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-09-25 02:49:28,083 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 02:49:28,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 02:49:28,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 02:49:28,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 02:49:28,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 02:49:28,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-25 02:49:28,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-25 02:49:28,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-25 02:49:28,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-25 02:49:28,978 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 02:49:31,067 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 02:49:31,067 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-25 02:49:31,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:49:31 BoogieIcfgContainer [2020-09-25 02:49:31,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 02:49:31,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 02:49:31,090 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 02:49:31,094 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 02:49:31,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:49:24" (1/3) ... [2020-09-25 02:49:31,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64ae8a0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:49:31, skipping insertion in model container [2020-09-25 02:49:31,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:27" (2/3) ... [2020-09-25 02:49:31,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64ae8a0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:49:31, skipping insertion in model container [2020-09-25 02:49:31,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:49:31" (3/3) ... [2020-09-25 02:49:31,098 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--cadence--at91_ether.ko-entry_point.cil.out.i [2020-09-25 02:49:31,111 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 02:49:31,125 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 02:49:31,149 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 02:49:31,192 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 02:49:31,193 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 02:49:31,193 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 02:49:31,193 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 02:49:31,193 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 02:49:31,193 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 02:49:31,193 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 02:49:31,193 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 02:49:31,261 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states. [2020-09-25 02:49:31,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-09-25 02:49:31,300 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:49:31,305 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:49:31,306 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:49:31,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:49:31,316 INFO L82 PathProgramCache]: Analyzing trace with hash 1808276336, now seen corresponding path program 1 times [2020-09-25 02:49:31,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:49:31,328 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [144076631] [2020-09-25 02:49:31,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:49:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:32,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:32,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:33,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:36,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:49:36,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-09-25 02:49:36,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 02:49:36,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 02:49:36,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:49:36,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 02:49:36,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 213 [2020-09-25 02:49:36,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 02:49:36,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 02:49:37,260 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-09-25 02:49:37,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:49:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:37,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:37,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:49:37,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-25 02:49:37,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:49:37,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-09-25 02:49:37,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:49:37,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:49:37,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:49:37,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:49:37,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:49:37,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 02:49:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:37,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:37,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:49:37,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 02:49:37,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:49:37,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-25 02:49:37,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:49:37,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:49:37,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:49:37,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:49:37,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:49:37,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 02:49:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:37,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:37,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:49:37,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 02:49:37,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:49:37,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-25 02:49:37,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:49:37,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:49:37,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:49:37,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:49:37,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:49:37,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 02:49:37,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:37,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:37,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:49:37,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 02:49:37,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:49:37,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-25 02:49:37,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:49:37,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:49:37,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:49:37,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:49:37,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:49:37,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 02:49:37,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:37,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:37,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:49:37,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 02:49:37,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:49:37,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-25 02:49:37,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:49:37,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:49:37,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:49:37,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:49:37,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:49:37,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:49:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:37,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:37,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:49:37,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:49:37,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:49:37,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 02:49:37,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:49:37,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:49:37,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:49:37,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:49:37,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:49:37,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 02:49:37,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:38,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:38,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:49:38,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 02:49:38,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:49:38,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-25 02:49:38,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:49:38,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 02:49:38,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 02:49:38,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 02:49:38,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:49:38,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-09-25 02:49:38,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:38,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:38,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:49:38,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:49:38,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:49:38,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-25 02:49:38,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:49:38,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:49:38,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 02:49:38,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:49:38,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:49:38,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:49:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:38,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:38,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:49:38,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 02:49:38,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:49:38,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 02:49:38,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:49:38,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:49:38,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:49:38,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:49:38,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:49:38,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-09-25 02:49:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:38,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:38,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:49:38,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 02:49:38,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:49:38,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 02:49:38,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:49:38,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:49:38,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 02:49:38,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:49:38,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:49:38,350 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-09-25 02:49:38,351 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [144076631] [2020-09-25 02:49:38,353 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:49:38,353 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 02:49:38,354 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681282479] [2020-09-25 02:49:38,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 02:49:38,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:49:38,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 02:49:38,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 02:49:38,382 INFO L87 Difference]: Start difference. First operand 2153 states. Second operand 8 states. [2020-09-25 02:49:38,619 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-09-25 02:49:40,207 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-09-25 02:49:40,452 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-09-25 02:49:40,663 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-09-25 02:49:51,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:49:51,779 INFO L93 Difference]: Finished difference Result 3674 states and 4188 transitions. [2020-09-25 02:49:51,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 02:49:51,781 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 240 [2020-09-25 02:49:51,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:49:51,825 INFO L225 Difference]: With dead ends: 3674 [2020-09-25 02:49:51,825 INFO L226 Difference]: Without dead ends: 2040 [2020-09-25 02:49:51,838 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2020-09-25 02:49:51,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2040 states. [2020-09-25 02:49:52,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2040 to 1725. [2020-09-25 02:49:52,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1725 states. [2020-09-25 02:49:52,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1725 states to 1725 states and 1909 transitions. [2020-09-25 02:49:52,081 INFO L78 Accepts]: Start accepts. Automaton has 1725 states and 1909 transitions. Word has length 240 [2020-09-25 02:49:52,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:49:52,083 INFO L479 AbstractCegarLoop]: Abstraction has 1725 states and 1909 transitions. [2020-09-25 02:49:52,083 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 02:49:52,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1725 states and 1909 transitions. [2020-09-25 02:49:52,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-09-25 02:49:52,089 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:49:52,089 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:49:52,090 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 02:49:52,090 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:49:52,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:49:52,091 INFO L82 PathProgramCache]: Analyzing trace with hash -479761042, now seen corresponding path program 1 times [2020-09-25 02:49:52,091 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:49:52,091 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1548653578] [2020-09-25 02:49:52,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:49:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:52,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:52,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:53,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:57,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:49:57,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-09-25 02:49:57,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 02:49:57,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5066 [2020-09-25 02:49:57,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:49:57,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 02:49:57,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 213 [2020-09-25 02:49:57,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 02:49:57,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:49:57,506 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-09-25 02:49:57,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:49:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:57,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:57,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:49:57,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-25 02:49:57,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:49:57,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-09-25 02:49:57,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:49:57,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:49:57,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:49:57,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:49:57,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:49:57,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 02:49:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:57,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:57,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:49:57,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 02:49:57,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:49:57,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-25 02:49:57,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:49:57,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:49:57,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:49:57,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:49:57,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:49:57,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 02:49:57,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:57,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:57,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:49:57,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 02:49:57,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:49:57,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 02:49:57,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:49:57,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:49:57,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:49:57,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:49:57,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:49:57,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 02:49:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:57,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:57,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:49:57,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 02:49:57,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:49:57,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 02:49:57,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:49:57,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:49:57,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:49:57,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:49:57,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:49:58,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 02:49:58,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:58,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:58,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:49:58,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 02:49:58,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:49:58,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 02:49:58,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:49:58,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:49:58,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:49:58,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:49:58,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:49:58,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:49:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:58,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:58,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:49:58,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:49:58,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:49:58,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 02:49:58,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:49:58,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:49:58,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:49:58,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:49:58,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:49:58,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 02:49:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:58,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:58,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:49:58,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:49:58,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:49:58,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-09-25 02:49:58,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:49:58,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 02:49:58,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 02:49:58,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 02:49:58,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:49:58,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-25 02:49:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:58,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:58,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:49:58,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:49:58,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:49:58,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-25 02:49:58,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:49:58,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:49:58,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 02:49:58,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:49:58,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:49:58,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:49:58,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:58,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:58,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:49:58,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 02:49:58,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:49:58,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 02:49:58,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:49:58,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:49:58,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:49:58,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:49:58,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:49:58,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-09-25 02:49:58,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:58,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:58,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:49:58,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 02:49:58,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:49:58,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 02:49:58,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:49:58,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:49:58,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 02:49:58,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:49:58,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:49:58,582 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-09-25 02:49:58,582 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1548653578] [2020-09-25 02:49:58,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 02:49:58,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-25 02:49:58,583 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146065992] [2020-09-25 02:49:58,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 02:49:58,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:49:58,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 02:49:58,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 02:49:58,589 INFO L87 Difference]: Start difference. First operand 1725 states and 1909 transitions. Second operand 9 states. [2020-09-25 02:49:58,822 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-09-25 02:50:00,286 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-09-25 02:50:00,470 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-09-25 02:50:12,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:50:12,492 INFO L93 Difference]: Finished difference Result 3600 states and 4042 transitions. [2020-09-25 02:50:12,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 02:50:12,493 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 244 [2020-09-25 02:50:12,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:50:12,508 INFO L225 Difference]: With dead ends: 3600 [2020-09-25 02:50:12,508 INFO L226 Difference]: Without dead ends: 2044 [2020-09-25 02:50:12,515 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2020-09-25 02:50:12,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2044 states. [2020-09-25 02:50:12,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2044 to 1729. [2020-09-25 02:50:12,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1729 states. [2020-09-25 02:50:12,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1729 states to 1729 states and 1913 transitions. [2020-09-25 02:50:12,704 INFO L78 Accepts]: Start accepts. Automaton has 1729 states and 1913 transitions. Word has length 244 [2020-09-25 02:50:12,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:50:12,706 INFO L479 AbstractCegarLoop]: Abstraction has 1729 states and 1913 transitions. [2020-09-25 02:50:12,706 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 02:50:12,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1729 states and 1913 transitions. [2020-09-25 02:50:12,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-09-25 02:50:12,712 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:50:12,713 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:50:12,713 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 02:50:12,713 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:50:12,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:50:12,714 INFO L82 PathProgramCache]: Analyzing trace with hash -151941012, now seen corresponding path program 2 times [2020-09-25 02:50:12,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:50:12,714 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1256875868] [2020-09-25 02:50:12,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:50:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:12,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:13,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:14,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking...