/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=SMALLEST --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 [2020-09-24 18:59:01,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 18:59:01,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 18:59:01,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 18:59:01,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 18:59:01,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 18:59:01,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 18:59:01,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 18:59:01,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 18:59:01,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 18:59:01,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 18:59:01,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 18:59:01,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 18:59:01,669 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 18:59:01,670 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 18:59:01,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 18:59:01,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 18:59:01,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 18:59:01,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 18:59:01,679 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 18:59:01,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 18:59:01,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 18:59:01,684 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 18:59:01,685 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 18:59:01,687 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 18:59:01,687 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 18:59:01,688 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 18:59:01,689 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 18:59:01,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 18:59:01,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 18:59:01,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 18:59:01,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 18:59:01,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 18:59:01,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 18:59:01,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 18:59:01,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 18:59:01,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 18:59:01,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 18:59:01,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 18:59:01,696 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 18:59:01,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 18:59:01,698 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 [2020-09-24 18:59:01,724 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 18:59:01,725 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 18:59:01,726 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 18:59:01,726 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 18:59:01,726 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 18:59:01,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 18:59:01,727 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 18:59:01,727 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 18:59:01,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 18:59:01,728 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 18:59:01,728 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 18:59:01,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 18:59:01,728 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 18:59:01,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 18:59:01,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 18:59:01,729 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 18:59:01,729 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 18:59:01,729 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 18:59:01,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 18:59:01,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 18:59:01,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 18:59:01,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 18:59:01,730 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 18:59:01,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 18:59:01,731 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 18:59:01,731 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 18:59:01,731 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-24 18:59:01,732 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=SMALLEST;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=SMALLEST;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=SMALLEST;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=SMALLEST;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=SMALLEST;log-additional-information=true; [2020-09-24 18:59:02,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 18:59:02,167 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 18:59:02,173 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 18:59:02,177 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 18:59:02,177 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 18:59:02,179 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--cadence--at91_ether.ko-entry_point.cil.out.i [2020-09-24 18:59:02,276 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/557e4fcbc/1d4bce815bd24c44b8d48eec87c17032/FLAG50d0cc799 [2020-09-24 18:59:03,232 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 18:59:03,234 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--cadence--at91_ether.ko-entry_point.cil.out.i [2020-09-24 18:59:03,279 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/557e4fcbc/1d4bce815bd24c44b8d48eec87c17032/FLAG50d0cc799 [2020-09-24 18:59:03,679 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/557e4fcbc/1d4bce815bd24c44b8d48eec87c17032 [2020-09-24 18:59:03,692 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 18:59:03,696 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 18:59:03,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 18:59:03,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 18:59:03,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 18:59:03,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 06:59:03" (1/1) ... [2020-09-24 18:59:03,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7834ca3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:59:03, skipping insertion in model container [2020-09-24 18:59:03,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 06:59:03" (1/1) ... [2020-09-24 18:59:03,718 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 18:59:03,836 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 18:59:05,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 18:59:05,757 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 18:59:06,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 18:59:06,361 INFO L208 MainTranslator]: Completed translation [2020-09-24 18:59:06,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:59:06 WrapperNode [2020-09-24 18:59:06,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 18:59:06,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 18:59:06,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 18:59:06,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 18:59:06,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:59:06" (1/1) ... [2020-09-24 18:59:06,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:59:06" (1/1) ... [2020-09-24 18:59:06,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:59:06" (1/1) ... [2020-09-24 18:59:06,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:59:06" (1/1) ... [2020-09-24 18:59:06,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:59:06" (1/1) ... [2020-09-24 18:59:06,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:59:06" (1/1) ... [2020-09-24 18:59:06,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:59:06" (1/1) ... [2020-09-24 18:59:06,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 18:59:06,647 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 18:59:06,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 18:59:06,648 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 18:59:06,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:59:06" (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 [2020-09-24 18:59:06,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 18:59:06,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 18:59:06,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2020-09-24 18:59:06,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2020-09-24 18:59:06,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-09-24 18:59:06,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2020-09-24 18:59:06,771 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-09-24 18:59:06,771 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-09-24 18:59:06,771 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-09-24 18:59:06,771 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-09-24 18:59:06,772 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-09-24 18:59:06,772 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2020-09-24 18:59:06,772 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2020-09-24 18:59:06,773 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2020-09-24 18:59:06,773 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-09-24 18:59:06,773 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-09-24 18:59:06,773 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2020-09-24 18:59:06,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2020-09-24 18:59:06,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2020-09-24 18:59:06,776 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2020-09-24 18:59:06,776 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-09-24 18:59:06,777 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-09-24 18:59:06,777 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-24 18:59:06,777 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-24 18:59:06,777 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2020-09-24 18:59:06,777 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2020-09-24 18:59:06,777 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2020-09-24 18:59:06,778 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2020-09-24 18:59:06,778 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2020-09-24 18:59:06,778 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2020-09-24 18:59:06,778 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2020-09-24 18:59:06,778 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2020-09-24 18:59:06,778 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2020-09-24 18:59:06,779 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2020-09-24 18:59:06,779 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2020-09-24 18:59:06,779 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 18:59:06,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-24 18:59:06,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-24 18:59:06,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-24 18:59:06,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-24 18:59:06,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-24 18:59:06,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-24 18:59:06,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-24 18:59:06,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-24 18:59:06,780 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_irq [2020-09-24 18:59:06,780 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2020-09-24 18:59:06,780 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-09-24 18:59:06,781 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2020-09-24 18:59:06,781 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2020-09-24 18:59:06,781 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2020-09-24 18:59:06,781 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2020-09-24 18:59:06,781 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2020-09-24 18:59:06,781 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2020-09-24 18:59:06,782 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2020-09-24 18:59:06,782 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2020-09-24 18:59:06,783 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2020-09-24 18:59:06,783 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2020-09-24 18:59:06,783 INFO L138 BoogieDeclarations]: Found implementation of procedure of_get_phy_mode [2020-09-24 18:59:06,783 INFO L138 BoogieDeclarations]: Found implementation of procedure of_get_mac_address [2020-09-24 18:59:06,784 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_start [2020-09-24 18:59:06,784 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_open [2020-09-24 18:59:06,784 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_close [2020-09-24 18:59:06,784 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_start_xmit [2020-09-24 18:59:06,784 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_rx [2020-09-24 18:59:06,784 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_interrupt [2020-09-24 18:59:06,784 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_poll_controller [2020-09-24 18:59:06,785 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_probe [2020-09-24 18:59:06,785 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_remove [2020-09-24 18:59:06,785 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_suspend [2020-09-24 18:59:06,785 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_resume [2020-09-24 18:59:06,785 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_driver_init [2020-09-24 18:59:06,786 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_driver_exit [2020-09-24 18:59:06,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_platform_driver_1 [2020-09-24 18:59:06,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2020-09-24 18:59:06,787 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 18:59:06,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2020-09-24 18:59:06,788 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-09-24 18:59:06,788 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-09-24 18:59:06,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-09-24 18:59:06,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-09-24 18:59:06,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-09-24 18:59:06,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-09-24 18:59:06,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-09-24 18:59:06,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_12 [2020-09-24 18:59:06,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2020-09-24 18:59:06,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_14 [2020-09-24 18:59:06,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_15 [2020-09-24 18:59:06,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_16 [2020-09-24 18:59:06,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_17 [2020-09-24 18:59:06,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_18 [2020-09-24 18:59:06,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-09-24 18:59:06,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-24 18:59:06,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-09-24 18:59:06,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-09-24 18:59:06,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-09-24 18:59:06,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-24 18:59:06,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-24 18:59:06,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-24 18:59:06,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-24 18:59:06,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-09-24 18:59:06,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-24 18:59:06,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-09-24 18:59:06,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-09-24 18:59:06,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-09-24 18:59:06,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-09-24 18:59:06,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-09-24 18:59:06,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-24 18:59:06,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2020-09-24 18:59:06,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2020-09-24 18:59:06,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2020-09-24 18:59:06,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-09-24 18:59:06,795 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2020-09-24 18:59:06,795 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable [2020-09-24 18:59:06,795 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_enable [2020-09-24 18:59:06,795 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2020-09-24 18:59:06,795 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2020-09-24 18:59:06,796 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2020-09-24 18:59:06,796 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2020-09-24 18:59:06,796 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2020-09-24 18:59:06,796 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap [2020-09-24 18:59:06,797 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2020-09-24 18:59:06,797 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2020-09-24 18:59:06,798 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2020-09-24 18:59:06,798 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2020-09-24 18:59:06,798 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2020-09-24 18:59:06,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2020-09-24 18:59:06,799 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-09-24 18:59:06,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2 [2020-09-24 18:59:06,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2 [2020-09-24 18:59:06,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_1 [2020-09-24 18:59:06,803 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_hwaddr [2020-09-24 18:59:06,803 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_stats [2020-09-24 18:59:06,804 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_ioctl [2020-09-24 18:59:06,804 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mii_init [2020-09-24 18:59:06,804 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_hwaddr [2020-09-24 18:59:06,804 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_rx_mode [2020-09-24 18:59:06,805 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2020-09-24 18:59:06,805 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2020-09-24 18:59:06,805 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2020-09-24 18:59:06,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2020-09-24 18:59:06,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2020-09-24 18:59:06,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2020-09-24 18:59:06,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2020-09-24 18:59:06,806 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_disconnect [2020-09-24 18:59:06,807 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_start [2020-09-24 18:59:06,812 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_probe [2020-09-24 18:59:06,812 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2020-09-24 18:59:06,812 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq [2020-09-24 18:59:06,813 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2020-09-24 18:59:06,813 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-24 18:59:06,813 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2020-09-24 18:59:06,813 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-09-24 18:59:06,813 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2020-09-24 18:59:06,813 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2020-09-24 18:59:06,813 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-09-24 18:59:06,814 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-09-24 18:59:06,814 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-24 18:59:06,814 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-24 18:59:06,814 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-24 18:59:06,814 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-09-24 18:59:06,814 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 18:59:06,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-24 18:59:06,814 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-09-24 18:59:06,814 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-09-24 18:59:06,814 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-09-24 18:59:06,815 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-09-24 18:59:06,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 18:59:06,818 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-24 18:59:06,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-24 18:59:06,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-24 18:59:06,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-24 18:59:06,819 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-09-24 18:59:06,819 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2020-09-24 18:59:06,819 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-09-24 18:59:06,819 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-24 18:59:06,819 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-09-24 18:59:06,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 18:59:06,819 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2020-09-24 18:59:06,819 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2020-09-24 18:59:06,820 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2020-09-24 18:59:06,820 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2020-09-24 18:59:06,820 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-09-24 18:59:06,820 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-09-24 18:59:06,820 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-09-24 18:59:06,820 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2020-09-24 18:59:06,820 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2020-09-24 18:59:06,821 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-09-24 18:59:06,821 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-09-24 18:59:06,821 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2020-09-24 18:59:06,821 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2020-09-24 18:59:06,821 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2020-09-24 18:59:06,821 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2020-09-24 18:59:06,821 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-24 18:59:06,822 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-09-24 18:59:06,822 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-09-24 18:59:06,822 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-24 18:59:06,822 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-24 18:59:06,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 18:59:06,822 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2020-09-24 18:59:06,822 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2020-09-24 18:59:06,823 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2020-09-24 18:59:06,823 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2020-09-24 18:59:06,823 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2020-09-24 18:59:06,823 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2020-09-24 18:59:06,823 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2020-09-24 18:59:06,823 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2020-09-24 18:59:06,823 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2020-09-24 18:59:06,824 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2020-09-24 18:59:06,824 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2020-09-24 18:59:06,824 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2020-09-24 18:59:06,824 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2020-09-24 18:59:06,824 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2020-09-24 18:59:06,824 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2020-09-24 18:59:06,824 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-09-24 18:59:06,825 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2020-09-24 18:59:06,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 18:59:06,825 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2020-09-24 18:59:06,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-09-24 18:59:06,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-09-24 18:59:06,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-09-24 18:59:06,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-09-24 18:59:06,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-09-24 18:59:06,826 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-09-24 18:59:06,826 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2020-09-24 18:59:06,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 18:59:06,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_12 [2020-09-24 18:59:06,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-09-24 18:59:06,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-09-24 18:59:06,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-09-24 18:59:06,827 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 18:59:06,827 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 18:59:06,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 18:59:06,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-24 18:59:06,827 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 18:59:06,827 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 18:59:06,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-24 18:59:06,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 18:59:06,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-24 18:59:06,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-24 18:59:06,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-24 18:59:06,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-24 18:59:06,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-24 18:59:06,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-24 18:59:06,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-24 18:59:06,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_platform_driver_1 [2020-09-24 18:59:06,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2020-09-24 18:59:06,829 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2020-09-24 18:59:06,829 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_irq [2020-09-24 18:59:06,829 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2020-09-24 18:59:06,829 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-09-24 18:59:06,830 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-09-24 18:59:06,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_16 [2020-09-24 18:59:06,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_18 [2020-09-24 18:59:06,830 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2020-09-24 18:59:06,830 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2020-09-24 18:59:06,830 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2020-09-24 18:59:06,832 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2020-09-24 18:59:06,836 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2020-09-24 18:59:06,836 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2020-09-24 18:59:06,836 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2020-09-24 18:59:06,836 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2020-09-24 18:59:06,837 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2020-09-24 18:59:06,837 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2020-09-24 18:59:06,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2020-09-24 18:59:06,837 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2020-09-24 18:59:06,837 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2020-09-24 18:59:06,837 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2020-09-24 18:59:06,837 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2020-09-24 18:59:06,837 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2020-09-24 18:59:06,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_14 [2020-09-24 18:59:06,838 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-09-24 18:59:06,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_15 [2020-09-24 18:59:06,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_17 [2020-09-24 18:59:06,841 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2020-09-24 18:59:06,841 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2020-09-24 18:59:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2020-09-24 18:59:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2020-09-24 18:59:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2020-09-24 18:59:06,842 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2020-09-24 18:59:06,843 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2020-09-24 18:59:06,843 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2020-09-24 18:59:06,843 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2020-09-24 18:59:06,843 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2020-09-24 18:59:06,843 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_probe [2020-09-24 18:59:06,843 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2020-09-24 18:59:06,843 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2020-09-24 18:59:06,843 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2020-09-24 18:59:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure clk_enable [2020-09-24 18:59:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable [2020-09-24 18:59:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2020-09-24 18:59:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2020-09-24 18:59:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure phy_disconnect [2020-09-24 18:59:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure phy_start [2020-09-24 18:59:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap [2020-09-24 18:59:06,844 INFO L130 BoogieDeclarations]: Found specification of procedure of_get_phy_mode [2020-09-24 18:59:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure of_get_mac_address [2020-09-24 18:59:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mii_init [2020-09-24 18:59:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure macb_ioctl [2020-09-24 18:59:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_stats [2020-09-24 18:59:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_rx_mode [2020-09-24 18:59:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_hwaddr [2020-09-24 18:59:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_hwaddr [2020-09-24 18:59:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_start [2020-09-24 18:59:06,845 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_open [2020-09-24 18:59:06,846 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_close [2020-09-24 18:59:06,846 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_start_xmit [2020-09-24 18:59:06,846 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_rx [2020-09-24 18:59:06,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-09-24 18:59:06,846 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_interrupt [2020-09-24 18:59:06,846 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_poll_controller [2020-09-24 18:59:06,846 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_probe [2020-09-24 18:59:06,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 18:59:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_remove [2020-09-24 18:59:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_suspend [2020-09-24 18:59:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_resume [2020-09-24 18:59:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_driver_init [2020-09-24 18:59:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_driver_exit [2020-09-24 18:59:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_1 [2020-09-24 18:59:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2020-09-24 18:59:06,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2020-09-24 18:59:06,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-24 18:59:06,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-24 18:59:06,848 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 18:59:06,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-24 18:59:06,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-09-24 18:59:06,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-24 18:59:06,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-09-24 18:59:06,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-09-24 18:59:06,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-09-24 18:59:06,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-24 18:59:06,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-09-24 18:59:06,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-09-24 18:59:06,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-09-24 18:59:06,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-09-24 18:59:06,849 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 18:59:06,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 18:59:06,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 18:59:06,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 18:59:06,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 18:59:06,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-24 18:59:06,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-24 18:59:06,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-24 18:59:06,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-24 18:59:07,782 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-24 18:59:10,025 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 18:59:10,026 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-24 18:59:10,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 06:59:10 BoogieIcfgContainer [2020-09-24 18:59:10,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 18:59:10,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 18:59:10,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 18:59:10,053 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 18:59:10,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 06:59:03" (1/3) ... [2020-09-24 18:59:10,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dac67f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 06:59:10, skipping insertion in model container [2020-09-24 18:59:10,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:59:06" (2/3) ... [2020-09-24 18:59:10,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dac67f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 06:59:10, skipping insertion in model container [2020-09-24 18:59:10,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 06:59:10" (3/3) ... [2020-09-24 18:59:10,057 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 [2020-09-24 18:59:10,069 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 18:59:10,084 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 18:59:10,109 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 18:59:10,158 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 18:59:10,158 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 18:59:10,158 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 18:59:10,158 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 18:59:10,159 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 18:59:10,159 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 18:59:10,159 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 18:59:10,159 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 18:59:10,227 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states. [2020-09-24 18:59:10,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-09-24 18:59:10,251 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:59:10,253 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] [2020-09-24 18:59:10,254 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:59:10,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:59:10,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1808276336, now seen corresponding path program 1 times [2020-09-24 18:59:10,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:59:10,274 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1317912497] [2020-09-24 18:59:10,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:59:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:11,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:11,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:12,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:15,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:15,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-09-24 18:59:15,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 18:59:15,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-09-24 18:59:15,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:15,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:59:15,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 222 [2020-09-24 18:59:15,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 18:59:15,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 18:59:16,408 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-09-24 18:59:16,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:59:16,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:16,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:16,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:16,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-24 18:59:16,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:16,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-09-24 18:59:16,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:16,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:16,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:16,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:16,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:16,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 18:59:16,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:16,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:16,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:16,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 18:59:16,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:16,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-24 18:59:16,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:16,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:16,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:16,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:16,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:16,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-24 18:59:16,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:16,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:16,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:16,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 18:59:16,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:16,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-24 18:59:16,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:16,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:16,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:16,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:16,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:16,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 18:59:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:16,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:16,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:16,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 18:59:16,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:16,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-24 18:59:16,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:16,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:16,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:16,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:16,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:16,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 18:59:16,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:16,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:17,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:17,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-24 18:59:17,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:17,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 18:59:17,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:17,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:17,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:17,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:17,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:17,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:59:17,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:17,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:17,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:17,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 18:59:17,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:17,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-24 18:59:17,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:17,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:17,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:17,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:17,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:17,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-24 18:59:17,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:17,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:17,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:17,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:17,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:59:17,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 18:59:17,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-24 18:59:17,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:17,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:17,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:17,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:17,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:17,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-09-24 18:59:17,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:17,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:17,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:17,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 18:59:17,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:17,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-24 18:59:17,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:17,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:17,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 18:59:17,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:17,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:17,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:59:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:17,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:17,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:17,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 18:59:17,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:17,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 18:59:17,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:17,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:17,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:17,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:17,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:17,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-09-24 18:59:17,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:17,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:17,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:17,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:59:17,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:17,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-24 18:59:17,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:17,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:17,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 18:59:17,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:17,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:17,483 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-09-24 18:59:17,484 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1317912497] [2020-09-24 18:59:17,486 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:59:17,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 18:59:17,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52364509] [2020-09-24 18:59:17,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 18:59:17,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:59:17,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 18:59:17,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 18:59:17,524 INFO L87 Difference]: Start difference. First operand 2153 states. Second operand 7 states. [2020-09-24 18:59:17,815 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-09-24 18:59:18,830 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-09-24 18:59:19,169 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-09-24 18:59:36,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:59:36,678 INFO L93 Difference]: Finished difference Result 5922 states and 6949 transitions. [2020-09-24 18:59:36,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-24 18:59:36,681 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 240 [2020-09-24 18:59:36,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:59:36,736 INFO L225 Difference]: With dead ends: 5922 [2020-09-24 18:59:36,736 INFO L226 Difference]: Without dead ends: 4266 [2020-09-24 18:59:36,751 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2020-09-24 18:59:36,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4266 states. [2020-09-24 18:59:37,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4266 to 3219. [2020-09-24 18:59:37,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3219 states. [2020-09-24 18:59:37,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3219 states to 3219 states and 3580 transitions. [2020-09-24 18:59:37,224 INFO L78 Accepts]: Start accepts. Automaton has 3219 states and 3580 transitions. Word has length 240 [2020-09-24 18:59:37,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:59:37,230 INFO L479 AbstractCegarLoop]: Abstraction has 3219 states and 3580 transitions. [2020-09-24 18:59:37,230 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 18:59:37,231 INFO L276 IsEmpty]: Start isEmpty. Operand 3219 states and 3580 transitions. [2020-09-24 18:59:37,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-09-24 18:59:37,243 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:59:37,244 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 18:59:37,244 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 18:59:37,245 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:59:37,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:59:37,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1113574353, now seen corresponding path program 1 times [2020-09-24 18:59:37,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:59:37,246 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1413721929] [2020-09-24 18:59:37,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:59:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:37,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:37,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:39,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:39,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 284 [2020-09-24 18:59:39,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 18:59:39,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2547 [2020-09-24 18:59:39,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:39,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 18:59:39,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 213 [2020-09-24 18:59:39,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 18:59:39,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:40,220 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-09-24 18:59:40,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:59:40,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:40,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:40,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:40,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-24 18:59:40,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:40,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-09-24 18:59:40,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:40,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:40,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:40,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:40,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:59:40,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 18:59:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:40,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:40,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:40,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 18:59:40,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:40,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-24 18:59:40,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:40,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:40,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:40,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:40,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:40,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-24 18:59:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:40,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:40,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:40,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 18:59:40,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:40,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-24 18:59:40,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:40,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:40,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:40,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:40,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:40,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 18:59:40,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:40,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:40,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:40,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 18:59:40,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:40,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-24 18:59:40,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:40,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:40,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:40,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:40,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:40,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 18:59:40,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:40,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:40,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:40,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-24 18:59:40,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:40,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 18:59:40,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:40,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:40,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:40,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:40,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:40,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:59:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:40,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:40,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:40,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 18:59:40,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:40,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-24 18:59:40,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:40,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:40,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:40,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:40,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:40,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-24 18:59:40,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:40,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:40,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:40,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:59:40,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:40,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-24 18:59:40,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:40,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 18:59:40,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 18:59:40,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 18:59:40,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:41,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-24 18:59:41,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:41,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:41,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:41,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 18:59:41,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:41,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-24 18:59:41,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:41,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:41,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 18:59:41,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:41,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:41,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 18:59:41,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:41,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:41,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:41,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 18:59:41,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:41,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-24 18:59:41,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:41,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:41,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:59:41,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:41,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:41,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-24 18:59:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:59:41,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:59:41,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:59:41,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:59:41,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:59:41,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-24 18:59:41,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:59:41,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:59:41,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 18:59:41,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:59:41,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:59:41,268 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-09-24 18:59:41,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1413721929] [2020-09-24 18:59:41,268 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:59:41,269 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 18:59:41,269 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297791066] [2020-09-24 18:59:41,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 18:59:41,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:59:41,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 18:59:41,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 18:59:41,274 INFO L87 Difference]: Start difference. First operand 3219 states and 3580 transitions. Second operand 8 states. [2020-09-24 18:59:41,464 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-09-24 18:59:43,047 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-09-24 18:59:43,229 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 162