/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.8 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--cadence--at91_ether.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 08:31:05,819 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 08:31:05,823 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 08:31:05,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 08:31:05,850 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 08:31:05,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 08:31:05,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 08:31:05,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 08:31:05,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 08:31:05,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 08:31:05,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 08:31:05,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 08:31:05,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 08:31:05,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 08:31:05,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 08:31:05,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 08:31:05,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 08:31:05,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 08:31:05,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 08:31:05,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 08:31:05,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 08:31:05,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 08:31:05,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 08:31:05,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 08:31:05,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 08:31:05,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 08:31:05,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 08:31:05,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 08:31:05,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 08:31:05,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 08:31:05,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 08:31:05,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 08:31:05,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 08:31:05,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 08:31:05,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 08:31:05,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 08:31:05,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 08:31:05,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 08:31:05,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 08:31:05,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 08:31:05,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 08:31:05,896 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-09-25 08:31:05,956 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 08:31:05,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 08:31:05,957 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 08:31:05,958 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 08:31:05,959 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 08:31:05,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 08:31:05,959 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 08:31:05,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 08:31:05,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 08:31:05,960 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 08:31:05,960 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 08:31:05,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 08:31:05,960 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 08:31:05,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 08:31:05,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 08:31:05,962 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 08:31:05,962 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 08:31:05,962 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 08:31:05,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:31:05,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 08:31:05,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 08:31:05,963 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 08:31:05,964 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 08:31:05,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 08:31:05,964 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 08:31:05,964 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 08:31:05,964 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 08:31:05,965 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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; [2020-09-25 08:31:06,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 08:31:06,449 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 08:31:06,455 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 08:31:06,457 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 08:31:06,459 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 08:31:06,460 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--cadence--at91_ether.ko-entry_point.cil.out.i [2020-09-25 08:31:06,554 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3ab604409/1c3c9d478f3946c6bf39e87b52ae4e07/FLAG01114277d [2020-09-25 08:31:07,397 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 08:31:07,398 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--cadence--at91_ether.ko-entry_point.cil.out.i [2020-09-25 08:31:07,446 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3ab604409/1c3c9d478f3946c6bf39e87b52ae4e07/FLAG01114277d [2020-09-25 08:31:07,911 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3ab604409/1c3c9d478f3946c6bf39e87b52ae4e07 [2020-09-25 08:31:07,924 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 08:31:07,929 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 08:31:07,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 08:31:07,931 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 08:31:07,935 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 08:31:07,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:31:07" (1/1) ... [2020-09-25 08:31:07,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65c39f74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:31:07, skipping insertion in model container [2020-09-25 08:31:07,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:31:07" (1/1) ... [2020-09-25 08:31:07,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 08:31:08,072 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 08:31:10,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:31:10,432 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 08:31:10,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:31:11,034 INFO L208 MainTranslator]: Completed translation [2020-09-25 08:31:11,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:31:11 WrapperNode [2020-09-25 08:31:11,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 08:31:11,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 08:31:11,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 08:31:11,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 08:31:11,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:31:11" (1/1) ... [2020-09-25 08:31:11,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:31:11" (1/1) ... [2020-09-25 08:31:11,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:31:11" (1/1) ... [2020-09-25 08:31:11,149 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:31:11" (1/1) ... [2020-09-25 08:31:11,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:31:11" (1/1) ... [2020-09-25 08:31:11,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:31:11" (1/1) ... [2020-09-25 08:31:11,272 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:31:11" (1/1) ... [2020-09-25 08:31:11,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 08:31:11,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 08:31:11,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 08:31:11,303 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 08:31:11,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:31:11" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:31:11,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 08:31:11,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 08:31:11,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2020-09-25 08:31:11,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2020-09-25 08:31:11,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-09-25 08:31:11,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2020-09-25 08:31:11,396 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-09-25 08:31:11,396 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-09-25 08:31:11,396 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-09-25 08:31:11,397 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-09-25 08:31:11,397 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-09-25 08:31:11,397 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2020-09-25 08:31:11,399 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2020-09-25 08:31:11,399 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2020-09-25 08:31:11,399 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-09-25 08:31:11,401 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-09-25 08:31:11,401 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2020-09-25 08:31:11,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2020-09-25 08:31:11,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2020-09-25 08:31:11,404 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2020-09-25 08:31:11,404 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-09-25 08:31:11,405 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-09-25 08:31:11,405 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-25 08:31:11,406 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 08:31:11,406 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2020-09-25 08:31:11,406 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2020-09-25 08:31:11,406 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2020-09-25 08:31:11,407 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2020-09-25 08:31:11,407 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2020-09-25 08:31:11,407 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2020-09-25 08:31:11,407 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2020-09-25 08:31:11,408 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2020-09-25 08:31:11,410 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2020-09-25 08:31:11,410 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2020-09-25 08:31:11,410 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2020-09-25 08:31:11,410 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 08:31:11,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 08:31:11,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 08:31:11,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 08:31:11,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 08:31:11,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 08:31:11,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 08:31:11,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 08:31:11,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 08:31:11,414 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_irq [2020-09-25 08:31:11,415 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2020-09-25 08:31:11,415 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-09-25 08:31:11,415 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2020-09-25 08:31:11,415 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2020-09-25 08:31:11,415 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2020-09-25 08:31:11,415 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2020-09-25 08:31:11,416 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2020-09-25 08:31:11,416 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2020-09-25 08:31:11,416 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2020-09-25 08:31:11,416 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2020-09-25 08:31:11,417 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2020-09-25 08:31:11,417 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2020-09-25 08:31:11,417 INFO L138 BoogieDeclarations]: Found implementation of procedure of_get_phy_mode [2020-09-25 08:31:11,417 INFO L138 BoogieDeclarations]: Found implementation of procedure of_get_mac_address [2020-09-25 08:31:11,417 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_start [2020-09-25 08:31:11,418 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_open [2020-09-25 08:31:11,418 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_close [2020-09-25 08:31:11,418 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_start_xmit [2020-09-25 08:31:11,418 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_rx [2020-09-25 08:31:11,418 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_interrupt [2020-09-25 08:31:11,418 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_poll_controller [2020-09-25 08:31:11,419 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_probe [2020-09-25 08:31:11,419 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_remove [2020-09-25 08:31:11,419 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_suspend [2020-09-25 08:31:11,419 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_resume [2020-09-25 08:31:11,419 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_driver_init [2020-09-25 08:31:11,420 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_driver_exit [2020-09-25 08:31:11,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_platform_driver_1 [2020-09-25 08:31:11,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2020-09-25 08:31:11,423 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 08:31:11,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2020-09-25 08:31:11,423 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-09-25 08:31:11,423 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-09-25 08:31:11,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-09-25 08:31:11,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-09-25 08:31:11,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-09-25 08:31:11,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-09-25 08:31:11,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-09-25 08:31:11,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_12 [2020-09-25 08:31:11,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2020-09-25 08:31:11,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_14 [2020-09-25 08:31:11,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_15 [2020-09-25 08:31:11,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_16 [2020-09-25 08:31:11,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_17 [2020-09-25 08:31:11,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_18 [2020-09-25 08:31:11,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-09-25 08:31:11,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-25 08:31:11,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-09-25 08:31:11,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-09-25 08:31:11,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-09-25 08:31:11,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-25 08:31:11,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-25 08:31:11,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-25 08:31:11,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-25 08:31:11,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-09-25 08:31:11,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 08:31:11,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-09-25 08:31:11,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-09-25 08:31:11,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-09-25 08:31:11,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-09-25 08:31:11,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-09-25 08:31:11,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 08:31:11,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2020-09-25 08:31:11,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2020-09-25 08:31:11,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2020-09-25 08:31:11,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-09-25 08:31:11,429 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2020-09-25 08:31:11,429 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable [2020-09-25 08:31:11,429 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_enable [2020-09-25 08:31:11,429 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2020-09-25 08:31:11,430 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2020-09-25 08:31:11,430 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2020-09-25 08:31:11,430 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2020-09-25 08:31:11,431 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2020-09-25 08:31:11,431 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap [2020-09-25 08:31:11,431 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2020-09-25 08:31:11,431 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2020-09-25 08:31:11,432 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2020-09-25 08:31:11,432 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2020-09-25 08:31:11,432 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2020-09-25 08:31:11,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2020-09-25 08:31:11,433 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-09-25 08:31:11,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2 [2020-09-25 08:31:11,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2 [2020-09-25 08:31:11,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_1 [2020-09-25 08:31:11,438 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_hwaddr [2020-09-25 08:31:11,438 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_stats [2020-09-25 08:31:11,439 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_ioctl [2020-09-25 08:31:11,439 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mii_init [2020-09-25 08:31:11,439 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_hwaddr [2020-09-25 08:31:11,440 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_rx_mode [2020-09-25 08:31:11,440 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2020-09-25 08:31:11,440 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2020-09-25 08:31:11,440 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2020-09-25 08:31:11,440 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2020-09-25 08:31:11,440 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2020-09-25 08:31:11,440 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2020-09-25 08:31:11,441 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2020-09-25 08:31:11,441 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_disconnect [2020-09-25 08:31:11,442 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_start [2020-09-25 08:31:11,448 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_probe [2020-09-25 08:31:11,449 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2020-09-25 08:31:11,449 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq [2020-09-25 08:31:11,449 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2020-09-25 08:31:11,449 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-25 08:31:11,449 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2020-09-25 08:31:11,449 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-09-25 08:31:11,449 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2020-09-25 08:31:11,449 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2020-09-25 08:31:11,449 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-09-25 08:31:11,450 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-09-25 08:31:11,450 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 08:31:11,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-25 08:31:11,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 08:31:11,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-09-25 08:31:11,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 08:31:11,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 08:31:11,450 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-09-25 08:31:11,450 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-09-25 08:31:11,451 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-09-25 08:31:11,451 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-09-25 08:31:11,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 08:31:11,452 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-25 08:31:11,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-25 08:31:11,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-25 08:31:11,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-25 08:31:11,452 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-09-25 08:31:11,453 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2020-09-25 08:31:11,453 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-09-25 08:31:11,453 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-25 08:31:11,453 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-09-25 08:31:11,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 08:31:11,453 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2020-09-25 08:31:11,454 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2020-09-25 08:31:11,455 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2020-09-25 08:31:11,455 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2020-09-25 08:31:11,455 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-09-25 08:31:11,455 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-09-25 08:31:11,456 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-09-25 08:31:11,456 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2020-09-25 08:31:11,456 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2020-09-25 08:31:11,456 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-09-25 08:31:11,456 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-09-25 08:31:11,456 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2020-09-25 08:31:11,456 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2020-09-25 08:31:11,457 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2020-09-25 08:31:11,457 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2020-09-25 08:31:11,457 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 08:31:11,457 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-09-25 08:31:11,457 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-09-25 08:31:11,457 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-25 08:31:11,457 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 08:31:11,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 08:31:11,458 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2020-09-25 08:31:11,458 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2020-09-25 08:31:11,459 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2020-09-25 08:31:11,459 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2020-09-25 08:31:11,459 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2020-09-25 08:31:11,459 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2020-09-25 08:31:11,459 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2020-09-25 08:31:11,459 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2020-09-25 08:31:11,460 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2020-09-25 08:31:11,460 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2020-09-25 08:31:11,460 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2020-09-25 08:31:11,460 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2020-09-25 08:31:11,460 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2020-09-25 08:31:11,460 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2020-09-25 08:31:11,460 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2020-09-25 08:31:11,461 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-09-25 08:31:11,461 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2020-09-25 08:31:11,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 08:31:11,461 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2020-09-25 08:31:11,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-09-25 08:31:11,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-09-25 08:31:11,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-09-25 08:31:11,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-09-25 08:31:11,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-09-25 08:31:11,462 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-09-25 08:31:11,462 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2020-09-25 08:31:11,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 08:31:11,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_12 [2020-09-25 08:31:11,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-09-25 08:31:11,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-09-25 08:31:11,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-09-25 08:31:11,463 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 08:31:11,463 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 08:31:11,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 08:31:11,464 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 08:31:11,464 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 08:31:11,464 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 08:31:11,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 08:31:11,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 08:31:11,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 08:31:11,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 08:31:11,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 08:31:11,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 08:31:11,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 08:31:11,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 08:31:11,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 08:31:11,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_platform_driver_1 [2020-09-25 08:31:11,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2020-09-25 08:31:11,466 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2020-09-25 08:31:11,466 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_irq [2020-09-25 08:31:11,466 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2020-09-25 08:31:11,466 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-09-25 08:31:11,466 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-09-25 08:31:11,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_16 [2020-09-25 08:31:11,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_18 [2020-09-25 08:31:11,467 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2020-09-25 08:31:11,467 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2020-09-25 08:31:11,468 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2020-09-25 08:31:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2020-09-25 08:31:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2020-09-25 08:31:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2020-09-25 08:31:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2020-09-25 08:31:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2020-09-25 08:31:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2020-09-25 08:31:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2020-09-25 08:31:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2020-09-25 08:31:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2020-09-25 08:31:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2020-09-25 08:31:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2020-09-25 08:31:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2020-09-25 08:31:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2020-09-25 08:31:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_14 [2020-09-25 08:31:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-09-25 08:31:11,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_15 [2020-09-25 08:31:11,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_17 [2020-09-25 08:31:11,478 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2020-09-25 08:31:11,479 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2020-09-25 08:31:11,479 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2020-09-25 08:31:11,479 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2020-09-25 08:31:11,479 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2020-09-25 08:31:11,479 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2020-09-25 08:31:11,479 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2020-09-25 08:31:11,479 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2020-09-25 08:31:11,480 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2020-09-25 08:31:11,480 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2020-09-25 08:31:11,480 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_probe [2020-09-25 08:31:11,480 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2020-09-25 08:31:11,480 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2020-09-25 08:31:11,480 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2020-09-25 08:31:11,480 INFO L130 BoogieDeclarations]: Found specification of procedure clk_enable [2020-09-25 08:31:11,480 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable [2020-09-25 08:31:11,481 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2020-09-25 08:31:11,481 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2020-09-25 08:31:11,481 INFO L130 BoogieDeclarations]: Found specification of procedure phy_disconnect [2020-09-25 08:31:11,481 INFO L130 BoogieDeclarations]: Found specification of procedure phy_start [2020-09-25 08:31:11,482 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap [2020-09-25 08:31:11,482 INFO L130 BoogieDeclarations]: Found specification of procedure of_get_phy_mode [2020-09-25 08:31:11,482 INFO L130 BoogieDeclarations]: Found specification of procedure of_get_mac_address [2020-09-25 08:31:11,482 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mii_init [2020-09-25 08:31:11,482 INFO L130 BoogieDeclarations]: Found specification of procedure macb_ioctl [2020-09-25 08:31:11,482 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_stats [2020-09-25 08:31:11,482 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_rx_mode [2020-09-25 08:31:11,482 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_hwaddr [2020-09-25 08:31:11,483 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_hwaddr [2020-09-25 08:31:11,483 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_start [2020-09-25 08:31:11,483 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_open [2020-09-25 08:31:11,483 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_close [2020-09-25 08:31:11,483 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_start_xmit [2020-09-25 08:31:11,483 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_rx [2020-09-25 08:31:11,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-09-25 08:31:11,483 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_interrupt [2020-09-25 08:31:11,484 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_poll_controller [2020-09-25 08:31:11,484 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_probe [2020-09-25 08:31:11,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 08:31:11,484 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_remove [2020-09-25 08:31:11,484 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_suspend [2020-09-25 08:31:11,484 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_resume [2020-09-25 08:31:11,484 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_driver_init [2020-09-25 08:31:11,484 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_driver_exit [2020-09-25 08:31:11,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_1 [2020-09-25 08:31:11,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2020-09-25 08:31:11,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2020-09-25 08:31:11,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 08:31:11,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 08:31:11,485 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 08:31:11,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-25 08:31:11,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-09-25 08:31:11,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-25 08:31:11,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-09-25 08:31:11,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-09-25 08:31:11,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-09-25 08:31:11,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-25 08:31:11,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-09-25 08:31:11,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-09-25 08:31:11,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-09-25 08:31:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-09-25 08:31:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 08:31:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 08:31:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 08:31:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 08:31:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 08:31:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-25 08:31:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-25 08:31:11,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-25 08:31:11,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-25 08:31:12,387 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 08:31:14,296 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 08:31:14,297 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-25 08:31:14,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:31:14 BoogieIcfgContainer [2020-09-25 08:31:14,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 08:31:14,311 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 08:31:14,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 08:31:14,316 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 08:31:14,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:31:07" (1/3) ... [2020-09-25 08:31:14,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4640c541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:31:14, skipping insertion in model container [2020-09-25 08:31:14,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:31:11" (2/3) ... [2020-09-25 08:31:14,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4640c541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:31:14, skipping insertion in model container [2020-09-25 08:31:14,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:31:14" (3/3) ... [2020-09-25 08:31:14,320 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--cadence--at91_ether.ko-entry_point.cil.out.i [2020-09-25 08:31:14,331 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 08:31:14,344 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 08:31:14,367 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 08:31:14,404 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 08:31:14,405 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 08:31:14,405 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 08:31:14,405 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 08:31:14,405 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 08:31:14,405 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 08:31:14,405 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 08:31:14,405 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 08:31:14,460 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states. [2020-09-25 08:31:14,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-09-25 08:31:14,483 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:31:14,484 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:31:14,485 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:31:14,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:31:14,493 INFO L82 PathProgramCache]: Analyzing trace with hash 1808276336, now seen corresponding path program 1 times [2020-09-25 08:31:14,503 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:31:14,504 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [905739096] [2020-09-25 08:31:14,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:31:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:15,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:15,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:16,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:20,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:20,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-09-25 08:31:20,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 08:31:20,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-09-25 08:31:20,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:20,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:20,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:31:20,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 222 [2020-09-25 08:31:20,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 08:31:20,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 08:31:20,581 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-09-25 08:31:20,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:31:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:20,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:20,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:20,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-25 08:31:20,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:20,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 230 [2020-09-25 08:31:20,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:20,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:20,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:20,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:20,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:20,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:20,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 08:31:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:20,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:21,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:21,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 08:31:21,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:21,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-25 08:31:21,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:21,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:21,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:21,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:21,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:21,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:21,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 08:31:21,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:21,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:21,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:21,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 08:31:21,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:21,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 08:31:21,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:21,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:21,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:21,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:21,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:21,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:21,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 08:31:21,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:21,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:21,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:21,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 08:31:21,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:21,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-25 08:31:21,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:21,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:21,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:21,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:21,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:21,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:21,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 08:31:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:21,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:21,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:21,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 08:31:21,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:21,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-25 08:31:21,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:21,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:21,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:21,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:21,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:21,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:21,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:31:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:21,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:21,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:21,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:31:21,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:21,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 08:31:21,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:21,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:21,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:21,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:21,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:21,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:21,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 08:31:21,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:21,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:21,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:21,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:21,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:31:21,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:31:21,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-09-25 08:31:21,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:21,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:21,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:21,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:21,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:21,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:21,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-09-25 08:31:21,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:21,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:21,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:21,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 08:31:21,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:21,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-25 08:31:21,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:21,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:21,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:21,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 08:31:21,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:21,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:21,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:31:21,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:21,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:21,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:21,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:31:21,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:21,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 08:31:21,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:21,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:21,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:21,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:21,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:21,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:21,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-09-25 08:31:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:21,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:21,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:21,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:31:21,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:21,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-25 08:31:21,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:21,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:21,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:21,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 08:31:21,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:21,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:21,863 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-09-25 08:31:21,864 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [905739096] [2020-09-25 08:31:21,867 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:31:21,868 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 08:31:21,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579795587] [2020-09-25 08:31:21,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 08:31:21,882 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:31:21,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 08:31:21,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 08:31:21,914 INFO L87 Difference]: Start difference. First operand 2153 states. Second operand 7 states. [2020-09-25 08:31:22,182 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-09-25 08:31:23,054 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-09-25 08:31:23,407 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-09-25 08:31:41,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:31:41,439 INFO L93 Difference]: Finished difference Result 5922 states and 6949 transitions. [2020-09-25 08:31:41,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 08:31:41,441 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 240 [2020-09-25 08:31:41,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:31:41,498 INFO L225 Difference]: With dead ends: 5922 [2020-09-25 08:31:41,499 INFO L226 Difference]: Without dead ends: 4266 [2020-09-25 08:31:41,514 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2020-09-25 08:31:41,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4266 states. [2020-09-25 08:31:41,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4266 to 3219. [2020-09-25 08:31:41,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3219 states. [2020-09-25 08:31:41,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3219 states to 3219 states and 3580 transitions. [2020-09-25 08:31:41,984 INFO L78 Accepts]: Start accepts. Automaton has 3219 states and 3580 transitions. Word has length 240 [2020-09-25 08:31:41,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:31:41,991 INFO L479 AbstractCegarLoop]: Abstraction has 3219 states and 3580 transitions. [2020-09-25 08:31:41,991 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 08:31:41,991 INFO L276 IsEmpty]: Start isEmpty. Operand 3219 states and 3580 transitions. [2020-09-25 08:31:42,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-09-25 08:31:42,004 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:31:42,005 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] [2020-09-25 08:31:42,005 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 08:31:42,006 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:31:42,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:31:42,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1113574353, now seen corresponding path program 1 times [2020-09-25 08:31:42,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:31:42,007 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [562885610] [2020-09-25 08:31:42,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:31:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:42,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:42,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:44,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:44,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 284 [2020-09-25 08:31:44,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:31:44,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2765 [2020-09-25 08:31:44,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:44,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:44,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:31:44,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 207 [2020-09-25 08:31:44,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 08:31:44,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:45,311 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-09-25 08:31:45,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:31:45,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:45,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:45,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:45,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-25 08:31:45,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:45,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 167 [2020-09-25 08:31:45,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:45,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:45,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:45,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:45,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:45,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:45,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 08:31:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:45,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:45,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:45,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 08:31:45,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:45,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 08:31:45,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:45,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:45,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:45,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:45,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:45,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:45,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 08:31:45,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:45,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:45,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:45,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 08:31:45,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:45,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 08:31:45,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:45,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:45,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:45,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:45,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:45,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:45,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 08:31:45,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:45,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:45,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:45,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 08:31:45,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:45,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 08:31:45,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:45,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:45,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:45,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:45,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:45,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:45,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 08:31:45,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:45,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:45,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:45,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 08:31:45,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:45,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-25 08:31:45,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:45,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:45,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:31:45,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:45,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:31:45,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:45,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:31:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:45,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:45,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:45,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:31:45,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:45,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-25 08:31:45,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:45,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:45,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:31:45,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:45,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:31:45,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:45,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 08:31:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:45,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:46,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:46,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:46,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:31:46,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:31:46,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-09-25 08:31:46,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:46,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:46,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:31:46,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:46,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 08:31:46,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:46,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-25 08:31:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:46,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:46,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:46,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 08:31:46,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:46,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-25 08:31:46,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:46,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:46,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:31:46,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:46,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 08:31:46,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:46,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 08:31:46,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:46,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:46,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:46,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 08:31:46,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:46,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 08:31:46,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:46,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:46,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:46,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:46,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:46,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:46,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-25 08:31:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:46,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:46,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:46,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:31:46,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:46,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-25 08:31:46,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:46,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:46,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:31:46,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:46,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 08:31:46,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:46,538 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-09-25 08:31:46,538 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [562885610] [2020-09-25 08:31:46,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:31:46,539 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 08:31:46,539 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712937658] [2020-09-25 08:31:46,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 08:31:46,545 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:31:46,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 08:31:46,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-09-25 08:31:46,546 INFO L87 Difference]: Start difference. First operand 3219 states and 3580 transitions. Second operand 10 states. [2020-09-25 08:31:46,768 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-09-25 08:31:47,820 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-09-25 08:31:48,166 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-09-25 08:31:50,912 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 162 [2020-09-25 08:31:51,345 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-09-25 08:31:51,627 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-09-25 08:31:51,878 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 162