/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 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 17:50:49,891 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 17:50:49,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 17:50:49,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 17:50:49,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 17:50:49,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 17:50:49,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 17:50:49,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 17:50:49,965 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 17:50:49,966 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 17:50:49,967 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 17:50:49,968 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 17:50:49,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 17:50:49,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 17:50:49,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 17:50:49,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 17:50:49,973 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 17:50:49,974 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 17:50:49,976 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 17:50:49,977 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 17:50:49,979 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 17:50:49,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 17:50:49,983 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 17:50:49,984 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 17:50:49,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 17:50:49,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 17:50:49,990 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 17:50:49,991 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 17:50:49,992 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 17:50:49,993 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 17:50:49,993 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 17:50:49,994 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 17:50:49,995 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 17:50:49,996 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 17:50:49,997 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 17:50:49,997 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 17:50:49,998 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 17:50:49,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 17:50:49,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 17:50:50,000 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 17:50:50,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 17:50:50,001 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 17:50:50,026 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 17:50:50,027 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 17:50:50,028 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 17:50:50,028 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 17:50:50,028 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 17:50:50,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 17:50:50,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 17:50:50,029 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 17:50:50,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 17:50:50,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 17:50:50,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 17:50:50,030 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 17:50:50,030 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 17:50:50,030 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 17:50:50,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 17:50:50,031 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 17:50:50,031 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 17:50:50,031 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 17:50:50,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 17:50:50,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 17:50:50,032 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 17:50:50,032 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 17:50:50,032 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 17:50:50,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 17:50:50,032 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 17:50:50,033 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 17:50:50,033 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-24 17:50:50,033 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;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;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;log-additional-information=true; [2020-09-24 17:50:50,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 17:50:50,498 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 17:50:50,503 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 17:50:50,504 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 17:50:50,505 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 17:50:50,506 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--cadence--at91_ether.ko-entry_point.cil.out.i [2020-09-24 17:50:50,591 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/afa672dd9/9f6400e17fcc496381128908c10b1ce8/FLAG04bf70568 [2020-09-24 17:50:51,499 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 17:50:51,500 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--cadence--at91_ether.ko-entry_point.cil.out.i [2020-09-24 17:50:51,553 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/afa672dd9/9f6400e17fcc496381128908c10b1ce8/FLAG04bf70568 [2020-09-24 17:50:51,970 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/afa672dd9/9f6400e17fcc496381128908c10b1ce8 [2020-09-24 17:50:51,984 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 17:50:51,991 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 17:50:51,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 17:50:51,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 17:50:51,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 17:50:51,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:50:51" (1/1) ... [2020-09-24 17:50:52,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f14d527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:50:51, skipping insertion in model container [2020-09-24 17:50:52,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:50:51" (1/1) ... [2020-09-24 17:50:52,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 17:50:52,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 17:50:54,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:50:54,266 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 17:50:54,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:50:54,948 INFO L208 MainTranslator]: Completed translation [2020-09-24 17:50:54,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:50:54 WrapperNode [2020-09-24 17:50:54,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 17:50:54,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 17:50:54,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 17:50:54,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 17:50:54,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:50:54" (1/1) ... [2020-09-24 17:50:54,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:50:54" (1/1) ... [2020-09-24 17:50:55,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:50:54" (1/1) ... [2020-09-24 17:50:55,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:50:54" (1/1) ... [2020-09-24 17:50:55,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:50:54" (1/1) ... [2020-09-24 17:50:55,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:50:54" (1/1) ... [2020-09-24 17:50:55,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:50:54" (1/1) ... [2020-09-24 17:50:55,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 17:50:55,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 17:50:55,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 17:50:55,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 17:50:55,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:50:54" (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 17:50:55,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 17:50:55,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 17:50:55,344 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 17:50:55,344 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 17:50:55,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-09-24 17:50:55,344 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 17:50:55,344 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-09-24 17:50:55,345 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-09-24 17:50:55,346 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-09-24 17:50:55,346 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-09-24 17:50:55,346 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-09-24 17:50:55,346 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2020-09-24 17:50:55,346 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2020-09-24 17:50:55,347 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2020-09-24 17:50:55,347 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-09-24 17:50:55,347 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-09-24 17:50:55,347 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2020-09-24 17:50:55,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2020-09-24 17:50:55,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2020-09-24 17:50:55,348 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2020-09-24 17:50:55,348 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-09-24 17:50:55,348 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-09-24 17:50:55,348 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-24 17:50:55,348 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-24 17:50:55,349 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2020-09-24 17:50:55,349 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2020-09-24 17:50:55,349 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2020-09-24 17:50:55,349 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2020-09-24 17:50:55,349 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2020-09-24 17:50:55,350 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2020-09-24 17:50:55,350 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2020-09-24 17:50:55,350 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2020-09-24 17:50:55,350 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2020-09-24 17:50:55,350 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2020-09-24 17:50:55,350 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2020-09-24 17:50:55,350 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 17:50:55,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-24 17:50:55,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-24 17:50:55,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-24 17:50:55,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-24 17:50:55,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-24 17:50:55,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-24 17:50:55,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-24 17:50:55,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-24 17:50:55,352 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_irq [2020-09-24 17:50:55,352 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2020-09-24 17:50:55,352 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-09-24 17:50:55,352 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2020-09-24 17:50:55,353 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2020-09-24 17:50:55,353 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2020-09-24 17:50:55,353 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2020-09-24 17:50:55,353 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2020-09-24 17:50:55,353 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2020-09-24 17:50:55,353 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2020-09-24 17:50:55,354 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2020-09-24 17:50:55,354 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2020-09-24 17:50:55,354 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2020-09-24 17:50:55,354 INFO L138 BoogieDeclarations]: Found implementation of procedure of_get_phy_mode [2020-09-24 17:50:55,354 INFO L138 BoogieDeclarations]: Found implementation of procedure of_get_mac_address [2020-09-24 17:50:55,354 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_start [2020-09-24 17:50:55,355 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_open [2020-09-24 17:50:55,355 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_close [2020-09-24 17:50:55,355 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_start_xmit [2020-09-24 17:50:55,355 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_rx [2020-09-24 17:50:55,355 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_interrupt [2020-09-24 17:50:55,355 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_poll_controller [2020-09-24 17:50:55,356 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_probe [2020-09-24 17:50:55,356 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_remove [2020-09-24 17:50:55,356 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_suspend [2020-09-24 17:50:55,356 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_resume [2020-09-24 17:50:55,356 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_driver_init [2020-09-24 17:50:55,356 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_driver_exit [2020-09-24 17:50:55,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_platform_driver_1 [2020-09-24 17:50:55,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2020-09-24 17:50:55,357 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 17:50:55,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2020-09-24 17:50:55,357 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-09-24 17:50:55,357 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-09-24 17:50:55,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-09-24 17:50:55,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-09-24 17:50:55,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-09-24 17:50:55,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-09-24 17:50:55,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-09-24 17:50:55,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_12 [2020-09-24 17:50:55,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2020-09-24 17:50:55,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_14 [2020-09-24 17:50:55,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_15 [2020-09-24 17:50:55,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_16 [2020-09-24 17:50:55,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_17 [2020-09-24 17:50:55,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_18 [2020-09-24 17:50:55,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-09-24 17:50:55,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-24 17:50:55,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-09-24 17:50:55,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-09-24 17:50:55,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-09-24 17:50:55,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-24 17:50:55,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-24 17:50:55,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-24 17:50:55,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-24 17:50:55,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-09-24 17:50:55,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-24 17:50:55,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-09-24 17:50:55,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-09-24 17:50:55,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-09-24 17:50:55,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-09-24 17:50:55,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-09-24 17:50:55,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-24 17:50:55,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2020-09-24 17:50:55,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2020-09-24 17:50:55,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2020-09-24 17:50:55,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-09-24 17:50:55,363 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2020-09-24 17:50:55,363 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable [2020-09-24 17:50:55,363 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_enable [2020-09-24 17:50:55,363 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2020-09-24 17:50:55,363 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2020-09-24 17:50:55,363 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2020-09-24 17:50:55,363 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2020-09-24 17:50:55,364 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2020-09-24 17:50:55,364 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap [2020-09-24 17:50:55,364 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2020-09-24 17:50:55,364 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2020-09-24 17:50:55,364 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2020-09-24 17:50:55,365 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2020-09-24 17:50:55,365 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2020-09-24 17:50:55,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2020-09-24 17:50:55,365 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-09-24 17:50:55,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2 [2020-09-24 17:50:55,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2 [2020-09-24 17:50:55,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_1 [2020-09-24 17:50:55,366 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_hwaddr [2020-09-24 17:50:55,366 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_stats [2020-09-24 17:50:55,366 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_ioctl [2020-09-24 17:50:55,366 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mii_init [2020-09-24 17:50:55,366 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_hwaddr [2020-09-24 17:50:55,367 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_rx_mode [2020-09-24 17:50:55,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2020-09-24 17:50:55,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2020-09-24 17:50:55,367 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2020-09-24 17:50:55,367 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2020-09-24 17:50:55,367 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2020-09-24 17:50:55,368 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2020-09-24 17:50:55,368 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2020-09-24 17:50:55,368 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_disconnect [2020-09-24 17:50:55,368 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_start [2020-09-24 17:50:55,368 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_probe [2020-09-24 17:50:55,368 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2020-09-24 17:50:55,369 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq [2020-09-24 17:50:55,369 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2020-09-24 17:50:55,369 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-24 17:50:55,369 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2020-09-24 17:50:55,369 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-09-24 17:50:55,369 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2020-09-24 17:50:55,370 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2020-09-24 17:50:55,370 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-09-24 17:50:55,370 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-09-24 17:50:55,370 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-24 17:50:55,370 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-24 17:50:55,370 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-24 17:50:55,371 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-09-24 17:50:55,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 17:50:55,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-24 17:50:55,371 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-09-24 17:50:55,371 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-09-24 17:50:55,371 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-09-24 17:50:55,371 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-09-24 17:50:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 17:50:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-24 17:50:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-24 17:50:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-24 17:50:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-24 17:50:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-09-24 17:50:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2020-09-24 17:50:55,373 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-09-24 17:50:55,373 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-24 17:50:55,373 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-09-24 17:50:55,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 17:50:55,373 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2020-09-24 17:50:55,373 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2020-09-24 17:50:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2020-09-24 17:50:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2020-09-24 17:50:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-09-24 17:50:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-09-24 17:50:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-09-24 17:50:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2020-09-24 17:50:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2020-09-24 17:50:55,375 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-09-24 17:50:55,375 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-09-24 17:50:55,375 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2020-09-24 17:50:55,375 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2020-09-24 17:50:55,375 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2020-09-24 17:50:55,375 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2020-09-24 17:50:55,375 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-24 17:50:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-09-24 17:50:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-09-24 17:50:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-24 17:50:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-24 17:50:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 17:50:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2020-09-24 17:50:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2020-09-24 17:50:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2020-09-24 17:50:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2020-09-24 17:50:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2020-09-24 17:50:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2020-09-24 17:50:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2020-09-24 17:50:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2020-09-24 17:50:55,378 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2020-09-24 17:50:55,378 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 17:50:55,378 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2020-09-24 17:50:55,378 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 17:50:55,378 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2020-09-24 17:50:55,378 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2020-09-24 17:50:55,378 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2020-09-24 17:50:55,379 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-09-24 17:50:55,379 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2020-09-24 17:50:55,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 17:50:55,379 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 17:50:55,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-09-24 17:50:55,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-09-24 17:50:55,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-09-24 17:50:55,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-09-24 17:50:55,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-09-24 17:50:55,380 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-09-24 17:50:55,380 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2020-09-24 17:50:55,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 17:50:55,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_12 [2020-09-24 17:50:55,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-09-24 17:50:55,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-09-24 17:50:55,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-09-24 17:50:55,381 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 17:50:55,381 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 17:50:55,381 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 17:50:55,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-24 17:50:55,382 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 17:50:55,382 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 17:50:55,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-24 17:50:55,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 17:50:55,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-24 17:50:55,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-24 17:50:55,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-24 17:50:55,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-24 17:50:55,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-24 17:50:55,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-24 17:50:55,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-24 17:50:55,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_platform_driver_1 [2020-09-24 17:50:55,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2020-09-24 17:50:55,383 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2020-09-24 17:50:55,384 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_irq [2020-09-24 17:50:55,384 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2020-09-24 17:50:55,384 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-09-24 17:50:55,384 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-09-24 17:50:55,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_16 [2020-09-24 17:50:55,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_18 [2020-09-24 17:50:55,384 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2020-09-24 17:50:55,385 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2020-09-24 17:50:55,385 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2020-09-24 17:50:55,385 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2020-09-24 17:50:55,385 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2020-09-24 17:50:55,385 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2020-09-24 17:50:55,385 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2020-09-24 17:50:55,386 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2020-09-24 17:50:55,386 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2020-09-24 17:50:55,386 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2020-09-24 17:50:55,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2020-09-24 17:50:55,386 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2020-09-24 17:50:55,386 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2020-09-24 17:50:55,386 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2020-09-24 17:50:55,387 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2020-09-24 17:50:55,387 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2020-09-24 17:50:55,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_14 [2020-09-24 17:50:55,387 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-09-24 17:50:55,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_15 [2020-09-24 17:50:55,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_17 [2020-09-24 17:50:55,387 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2020-09-24 17:50:55,388 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2020-09-24 17:50:55,388 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2020-09-24 17:50:55,388 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2020-09-24 17:50:55,388 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2020-09-24 17:50:55,388 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2020-09-24 17:50:55,388 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2020-09-24 17:50:55,389 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2020-09-24 17:50:55,389 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2020-09-24 17:50:55,389 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2020-09-24 17:50:55,389 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_probe [2020-09-24 17:50:55,389 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2020-09-24 17:50:55,389 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2020-09-24 17:50:55,389 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2020-09-24 17:50:55,390 INFO L130 BoogieDeclarations]: Found specification of procedure clk_enable [2020-09-24 17:50:55,390 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable [2020-09-24 17:50:55,390 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2020-09-24 17:50:55,390 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2020-09-24 17:50:55,390 INFO L130 BoogieDeclarations]: Found specification of procedure phy_disconnect [2020-09-24 17:50:55,390 INFO L130 BoogieDeclarations]: Found specification of procedure phy_start [2020-09-24 17:50:55,391 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap [2020-09-24 17:50:55,391 INFO L130 BoogieDeclarations]: Found specification of procedure of_get_phy_mode [2020-09-24 17:50:55,391 INFO L130 BoogieDeclarations]: Found specification of procedure of_get_mac_address [2020-09-24 17:50:55,391 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mii_init [2020-09-24 17:50:55,391 INFO L130 BoogieDeclarations]: Found specification of procedure macb_ioctl [2020-09-24 17:50:55,391 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_stats [2020-09-24 17:50:55,391 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_rx_mode [2020-09-24 17:50:55,392 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_hwaddr [2020-09-24 17:50:55,392 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_hwaddr [2020-09-24 17:50:55,392 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_start [2020-09-24 17:50:55,392 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_open [2020-09-24 17:50:55,392 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_close [2020-09-24 17:50:55,392 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_start_xmit [2020-09-24 17:50:55,392 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_rx [2020-09-24 17:50:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-09-24 17:50:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_interrupt [2020-09-24 17:50:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_poll_controller [2020-09-24 17:50:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_probe [2020-09-24 17:50:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 17:50:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_remove [2020-09-24 17:50:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_suspend [2020-09-24 17:50:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_resume [2020-09-24 17:50:55,394 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_driver_init [2020-09-24 17:50:55,394 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_driver_exit [2020-09-24 17:50:55,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_1 [2020-09-24 17:50:55,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2020-09-24 17:50:55,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2020-09-24 17:50:55,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-24 17:50:55,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-24 17:50:55,395 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 17:50:55,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-24 17:50:55,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-09-24 17:50:55,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-24 17:50:55,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-09-24 17:50:55,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-09-24 17:50:55,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-09-24 17:50:55,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-24 17:50:55,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-09-24 17:50:55,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-09-24 17:50:55,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-09-24 17:50:55,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-09-24 17:50:55,396 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 17:50:55,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 17:50:55,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 17:50:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 17:50:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 17:50:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-24 17:50:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-24 17:50:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-24 17:50:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-24 17:50:56,369 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-24 17:50:58,521 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 17:50:58,522 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-24 17:50:58,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:50:58 BoogieIcfgContainer [2020-09-24 17:50:58,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 17:50:58,675 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 17:50:58,675 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 17:50:58,679 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 17:50:58,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 05:50:51" (1/3) ... [2020-09-24 17:50:58,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56513157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:50:58, skipping insertion in model container [2020-09-24 17:50:58,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:50:54" (2/3) ... [2020-09-24 17:50:58,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56513157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:50:58, skipping insertion in model container [2020-09-24 17:50:58,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:50:58" (3/3) ... [2020-09-24 17:50:58,684 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 17:50:58,698 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 17:50:58,711 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 17:50:58,735 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 17:50:58,773 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 17:50:58,773 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 17:50:58,773 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 17:50:58,774 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 17:50:58,774 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 17:50:58,774 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 17:50:58,774 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 17:50:58,774 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 17:50:58,829 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states. [2020-09-24 17:50:58,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-09-24 17:50:58,854 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:50:58,856 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 17:50:58,856 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:50:58,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:50:58,864 INFO L82 PathProgramCache]: Analyzing trace with hash 1808276336, now seen corresponding path program 1 times [2020-09-24 17:50:58,876 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:50:58,876 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1464085320] [2020-09-24 17:50:58,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:50:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:50:59,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:50:59,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:01,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:04,878 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:04,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-09-24 17:51:04,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 17:51:04,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5432 [2020-09-24 17:51:04,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:04,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 17:51:04,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 207 [2020-09-24 17:51:04,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-24 17:51:04,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 17:51:05,411 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-09-24 17:51:05,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:51:05,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:05,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:05,635 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:05,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-24 17:51:05,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:05,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-09-24 17:51:05,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:05,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:05,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:05,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:05,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:51:05,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 17:51:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:05,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:05,817 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:05,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 17:51:05,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:05,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 17:51:05,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:05,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:05,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:05,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:05,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:51:05,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-24 17:51:05,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:05,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:05,897 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:05,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 17:51:05,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:05,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-24 17:51:05,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:05,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:05,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:05,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:05,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:51:05,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 17:51:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:05,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:05,979 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:05,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 17:51:05,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:05,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-24 17:51:05,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:05,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:05,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:05,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:05,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:51:06,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 17:51:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:06,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:06,080 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:06,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-24 17:51:06,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:06,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-24 17:51:06,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:06,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:51:06,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:06,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 17:51:06,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:51:06,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:51:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:06,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:06,175 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:06,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:51:06,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:06,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-24 17:51:06,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:06,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:51:06,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:06,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 17:51:06,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:51:06,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-24 17:51:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:06,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:06,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:06,455 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:06,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 17:51:06,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 17:51:06,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-09-24 17:51:06,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:06,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:51:06,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:06,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 17:51:06,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-24 17:51:06,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-09-24 17:51:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:06,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:06,571 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:06,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 17:51:06,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:06,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-09-24 17:51:06,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:06,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:51:06,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:06,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-24 17:51:06,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:51:06,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:51:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:06,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:06,625 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:06,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 17:51:06,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:06,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-24 17:51:06,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:06,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:51:06,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:06,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:51:06,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:51:06,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-09-24 17:51:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:06,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:06,791 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 17:51:06,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 17:51:06,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:51:06,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-09-24 17:51:06,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 17:51:06,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 17:51:06,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:51:06,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 17:51:06,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:51:06,925 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 17:51:06,926 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1464085320] [2020-09-24 17:51:06,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:51:06,929 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 17:51:06,932 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759598830] [2020-09-24 17:51:06,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 17:51:06,941 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:51:06,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 17:51:06,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-09-24 17:51:06,971 INFO L87 Difference]: Start difference. First operand 2153 states. Second operand 10 states. [2020-09-24 17:51:07,217 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-09-24 17:51:08,297 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-09-24 17:51:08,654 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-09-24 17:51:10,804 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 162 [2020-09-24 17:51:11,234 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-09-24 17:51:11,627 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-09-24 17:51:11,955 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-09-24 17:51:24,821 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-09-24 17:51:33,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:51:33,356 INFO L93 Difference]: Finished difference Result 5597 states and 6500 transitions. [2020-09-24 17:51:33,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 17:51:33,360 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 240 [2020-09-24 17:51:33,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:51:33,434 INFO L225 Difference]: With dead ends: 5597 [2020-09-24 17:51:33,435 INFO L226 Difference]: Without dead ends: 3912 [2020-09-24 17:51:33,454 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2020-09-24 17:51:33,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3912 states. [2020-09-24 17:51:33,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3912 to 3402. [2020-09-24 17:51:33,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3402 states. [2020-09-24 17:51:33,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3402 states to 3402 states and 3805 transitions. [2020-09-24 17:51:33,971 INFO L78 Accepts]: Start accepts. Automaton has 3402 states and 3805 transitions. Word has length 240 [2020-09-24 17:51:33,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:51:33,973 INFO L479 AbstractCegarLoop]: Abstraction has 3402 states and 3805 transitions. [2020-09-24 17:51:33,973 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 17:51:33,973 INFO L276 IsEmpty]: Start isEmpty. Operand 3402 states and 3805 transitions. [2020-09-24 17:51:33,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2020-09-24 17:51:33,999 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:51:34,000 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:51:34,000 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 17:51:34,001 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:51:34,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:51:34,001 INFO L82 PathProgramCache]: Analyzing trace with hash -776807936, now seen corresponding path program 1 times [2020-09-24 17:51:34,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:51:34,002 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1120558468] [2020-09-24 17:51:34,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:51:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:51:34,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:34,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:34,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:51:35,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking...