/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=0.4 --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 06:12:59,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 06:12:59,325 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 06:12:59,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 06:12:59,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 06:12:59,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 06:12:59,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 06:12:59,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 06:12:59,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 06:12:59,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 06:12:59,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 06:12:59,361 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 06:12:59,361 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 06:12:59,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 06:12:59,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 06:12:59,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 06:12:59,366 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 06:12:59,367 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 06:12:59,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 06:12:59,371 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 06:12:59,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 06:12:59,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 06:12:59,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 06:12:59,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 06:12:59,378 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 06:12:59,379 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 06:12:59,379 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 06:12:59,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 06:12:59,380 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 06:12:59,381 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 06:12:59,381 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 06:12:59,382 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 06:12:59,383 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 06:12:59,384 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 06:12:59,385 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 06:12:59,386 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 06:12:59,386 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 06:12:59,387 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 06:12:59,387 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 06:12:59,388 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 06:12:59,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 06:12:59,390 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 06:12:59,421 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 06:12:59,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 06:12:59,428 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 06:12:59,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 06:12:59,428 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 06:12:59,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 06:12:59,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 06:12:59,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 06:12:59,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 06:12:59,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 06:12:59,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 06:12:59,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 06:12:59,431 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 06:12:59,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 06:12:59,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 06:12:59,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 06:12:59,432 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 06:12:59,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 06:12:59,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:12:59,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 06:12:59,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 06:12:59,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 06:12:59,433 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 06:12:59,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 06:12:59,434 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 06:12:59,434 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 06:12:59,434 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 06:12:59,434 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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;log-additional-information=true; [2020-09-25 06:12:59,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 06:12:59,944 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 06:12:59,949 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 06:12:59,951 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 06:12:59,952 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 06:12:59,953 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--cadence--at91_ether.ko-entry_point.cil.out.i [2020-09-25 06:13:00,049 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4c2514625/0202bf2dd98d4944a2c9945a374d5e84/FLAGe353af27c [2020-09-25 06:13:00,969 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 06:13:00,970 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--cadence--at91_ether.ko-entry_point.cil.out.i [2020-09-25 06:13:01,018 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4c2514625/0202bf2dd98d4944a2c9945a374d5e84/FLAGe353af27c [2020-09-25 06:13:01,426 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4c2514625/0202bf2dd98d4944a2c9945a374d5e84 [2020-09-25 06:13:01,441 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 06:13:01,447 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 06:13:01,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 06:13:01,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 06:13:01,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 06:13:01,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:13:01" (1/1) ... [2020-09-25 06:13:01,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61b1a96e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:13:01, skipping insertion in model container [2020-09-25 06:13:01,462 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:13:01" (1/1) ... [2020-09-25 06:13:01,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 06:13:01,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 06:13:03,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:13:03,731 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 06:13:04,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:13:04,431 INFO L208 MainTranslator]: Completed translation [2020-09-25 06:13:04,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:13:04 WrapperNode [2020-09-25 06:13:04,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 06:13:04,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 06:13:04,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 06:13:04,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 06:13:04,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:13:04" (1/1) ... [2020-09-25 06:13:04,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:13:04" (1/1) ... [2020-09-25 06:13:04,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:13:04" (1/1) ... [2020-09-25 06:13:04,509 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:13:04" (1/1) ... [2020-09-25 06:13:04,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:13:04" (1/1) ... [2020-09-25 06:13:04,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:13:04" (1/1) ... [2020-09-25 06:13:04,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:13:04" (1/1) ... [2020-09-25 06:13:04,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 06:13:04,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 06:13:04,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 06:13:04,684 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 06:13:04,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:13:04" (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 06:13:04,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 06:13:04,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 06:13:04,789 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 06:13:04,789 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 06:13:04,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-09-25 06:13:04,790 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 06:13:04,791 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-09-25 06:13:04,793 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-09-25 06:13:04,794 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-09-25 06:13:04,795 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-09-25 06:13:04,795 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-09-25 06:13:04,797 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2020-09-25 06:13:04,797 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2020-09-25 06:13:04,797 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2020-09-25 06:13:04,797 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-09-25 06:13:04,797 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-09-25 06:13:04,797 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2020-09-25 06:13:04,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2020-09-25 06:13:04,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2020-09-25 06:13:04,801 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2020-09-25 06:13:04,801 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-09-25 06:13:04,801 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-09-25 06:13:04,801 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-25 06:13:04,801 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 06:13:04,801 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2020-09-25 06:13:04,802 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2020-09-25 06:13:04,802 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2020-09-25 06:13:04,802 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2020-09-25 06:13:04,802 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2020-09-25 06:13:04,803 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2020-09-25 06:13:04,803 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2020-09-25 06:13:04,803 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2020-09-25 06:13:04,803 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2020-09-25 06:13:04,803 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2020-09-25 06:13:04,803 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2020-09-25 06:13:04,804 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 06:13:04,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 06:13:04,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 06:13:04,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 06:13:04,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 06:13:04,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 06:13:04,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 06:13:04,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 06:13:04,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 06:13:04,805 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_irq [2020-09-25 06:13:04,805 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2020-09-25 06:13:04,805 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-09-25 06:13:04,805 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2020-09-25 06:13:04,805 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2020-09-25 06:13:04,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2020-09-25 06:13:04,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2020-09-25 06:13:04,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2020-09-25 06:13:04,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2020-09-25 06:13:04,807 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2020-09-25 06:13:04,807 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2020-09-25 06:13:04,807 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2020-09-25 06:13:04,807 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2020-09-25 06:13:04,808 INFO L138 BoogieDeclarations]: Found implementation of procedure of_get_phy_mode [2020-09-25 06:13:04,808 INFO L138 BoogieDeclarations]: Found implementation of procedure of_get_mac_address [2020-09-25 06:13:04,808 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_start [2020-09-25 06:13:04,808 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_open [2020-09-25 06:13:04,808 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_close [2020-09-25 06:13:04,808 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_start_xmit [2020-09-25 06:13:04,808 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_rx [2020-09-25 06:13:04,809 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_interrupt [2020-09-25 06:13:04,809 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_poll_controller [2020-09-25 06:13:04,809 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_probe [2020-09-25 06:13:04,809 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_remove [2020-09-25 06:13:04,809 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_suspend [2020-09-25 06:13:04,810 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_resume [2020-09-25 06:13:04,810 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_driver_init [2020-09-25 06:13:04,810 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_driver_exit [2020-09-25 06:13:04,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_platform_driver_1 [2020-09-25 06:13:04,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2020-09-25 06:13:04,812 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 06:13:04,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2020-09-25 06:13:04,812 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-09-25 06:13:04,812 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-09-25 06:13:04,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-09-25 06:13:04,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-09-25 06:13:04,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-09-25 06:13:04,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-09-25 06:13:04,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-09-25 06:13:04,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_12 [2020-09-25 06:13:04,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2020-09-25 06:13:04,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_14 [2020-09-25 06:13:04,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_15 [2020-09-25 06:13:04,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_16 [2020-09-25 06:13:04,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_17 [2020-09-25 06:13:04,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_18 [2020-09-25 06:13:04,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-09-25 06:13:04,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-25 06:13:04,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-09-25 06:13:04,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-09-25 06:13:04,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-09-25 06:13:04,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-25 06:13:04,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-25 06:13:04,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-25 06:13:04,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-25 06:13:04,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-09-25 06:13:04,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 06:13:04,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-09-25 06:13:04,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-09-25 06:13:04,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-09-25 06:13:04,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-09-25 06:13:04,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-09-25 06:13:04,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 06:13:04,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2020-09-25 06:13:04,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2020-09-25 06:13:04,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2020-09-25 06:13:04,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-09-25 06:13:04,819 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2020-09-25 06:13:04,819 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable [2020-09-25 06:13:04,823 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_enable [2020-09-25 06:13:04,823 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2020-09-25 06:13:04,823 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2020-09-25 06:13:04,823 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2020-09-25 06:13:04,824 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2020-09-25 06:13:04,824 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2020-09-25 06:13:04,824 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap [2020-09-25 06:13:04,825 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2020-09-25 06:13:04,826 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2020-09-25 06:13:04,826 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2020-09-25 06:13:04,826 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2020-09-25 06:13:04,826 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2020-09-25 06:13:04,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2020-09-25 06:13:04,827 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-09-25 06:13:04,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2 [2020-09-25 06:13:04,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2 [2020-09-25 06:13:04,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_1 [2020-09-25 06:13:04,828 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_hwaddr [2020-09-25 06:13:04,828 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_stats [2020-09-25 06:13:04,828 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_ioctl [2020-09-25 06:13:04,828 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mii_init [2020-09-25 06:13:04,828 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_hwaddr [2020-09-25 06:13:04,829 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_rx_mode [2020-09-25 06:13:04,829 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2020-09-25 06:13:04,829 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2020-09-25 06:13:04,829 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2020-09-25 06:13:04,829 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2020-09-25 06:13:04,829 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2020-09-25 06:13:04,829 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2020-09-25 06:13:04,830 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2020-09-25 06:13:04,830 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_disconnect [2020-09-25 06:13:04,830 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_start [2020-09-25 06:13:04,830 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_probe [2020-09-25 06:13:04,830 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2020-09-25 06:13:04,830 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq [2020-09-25 06:13:04,831 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2020-09-25 06:13:04,831 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-25 06:13:04,831 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2020-09-25 06:13:04,831 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-09-25 06:13:04,831 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2020-09-25 06:13:04,831 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2020-09-25 06:13:04,832 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-09-25 06:13:04,832 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-09-25 06:13:04,832 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 06:13:04,832 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-25 06:13:04,832 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 06:13:04,832 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-09-25 06:13:04,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 06:13:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 06:13:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-09-25 06:13:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-09-25 06:13:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-09-25 06:13:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-09-25 06:13:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 06:13:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-25 06:13:04,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-25 06:13:04,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-25 06:13:04,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-25 06:13:04,834 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-09-25 06:13:04,834 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2020-09-25 06:13:04,834 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-09-25 06:13:04,834 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-25 06:13:04,834 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-09-25 06:13:04,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 06:13:04,835 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2020-09-25 06:13:04,835 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2020-09-25 06:13:04,835 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2020-09-25 06:13:04,835 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2020-09-25 06:13:04,835 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-09-25 06:13:04,835 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-09-25 06:13:04,836 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-09-25 06:13:04,836 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2020-09-25 06:13:04,836 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2020-09-25 06:13:04,836 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-09-25 06:13:04,836 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-09-25 06:13:04,836 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2020-09-25 06:13:04,836 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2020-09-25 06:13:04,837 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2020-09-25 06:13:04,837 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2020-09-25 06:13:04,837 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 06:13:04,837 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-09-25 06:13:04,837 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-09-25 06:13:04,837 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-25 06:13:04,837 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 06:13:04,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 06:13:04,838 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2020-09-25 06:13:04,838 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2020-09-25 06:13:04,838 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2020-09-25 06:13:04,838 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2020-09-25 06:13:04,838 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2020-09-25 06:13:04,838 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2020-09-25 06:13:04,838 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2020-09-25 06:13:04,838 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2020-09-25 06:13:04,839 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2020-09-25 06:13:04,839 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 06:13:04,839 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2020-09-25 06:13:04,839 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 06:13:04,839 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2020-09-25 06:13:04,839 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2020-09-25 06:13:04,839 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2020-09-25 06:13:04,840 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-09-25 06:13:04,840 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2020-09-25 06:13:04,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 06:13:04,840 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 06:13:04,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-09-25 06:13:04,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-09-25 06:13:04,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-09-25 06:13:04,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-09-25 06:13:04,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-09-25 06:13:04,841 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-09-25 06:13:04,841 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2020-09-25 06:13:04,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 06:13:04,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_12 [2020-09-25 06:13:04,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-09-25 06:13:04,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-09-25 06:13:04,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-09-25 06:13:04,842 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 06:13:04,842 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 06:13:04,842 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 06:13:04,842 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 06:13:04,842 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 06:13:04,842 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 06:13:04,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 06:13:04,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 06:13:04,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 06:13:04,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 06:13:04,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 06:13:04,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 06:13:04,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 06:13:04,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 06:13:04,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 06:13:04,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_platform_driver_1 [2020-09-25 06:13:04,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2020-09-25 06:13:04,844 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2020-09-25 06:13:04,844 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_irq [2020-09-25 06:13:04,845 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2020-09-25 06:13:04,845 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-09-25 06:13:04,845 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-09-25 06:13:04,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_16 [2020-09-25 06:13:04,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_18 [2020-09-25 06:13:04,845 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2020-09-25 06:13:04,845 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2020-09-25 06:13:04,846 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2020-09-25 06:13:04,846 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2020-09-25 06:13:04,846 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2020-09-25 06:13:04,846 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2020-09-25 06:13:04,846 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2020-09-25 06:13:04,846 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2020-09-25 06:13:04,847 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2020-09-25 06:13:04,847 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2020-09-25 06:13:04,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2020-09-25 06:13:04,847 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2020-09-25 06:13:04,847 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2020-09-25 06:13:04,847 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2020-09-25 06:13:04,847 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2020-09-25 06:13:04,848 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2020-09-25 06:13:04,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_14 [2020-09-25 06:13:04,848 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-09-25 06:13:04,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_15 [2020-09-25 06:13:04,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_17 [2020-09-25 06:13:04,848 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2020-09-25 06:13:04,848 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2020-09-25 06:13:04,849 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2020-09-25 06:13:04,849 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2020-09-25 06:13:04,849 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2020-09-25 06:13:04,849 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2020-09-25 06:13:04,849 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2020-09-25 06:13:04,849 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2020-09-25 06:13:04,849 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2020-09-25 06:13:04,850 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2020-09-25 06:13:04,850 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_probe [2020-09-25 06:13:04,850 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2020-09-25 06:13:04,850 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2020-09-25 06:13:04,850 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2020-09-25 06:13:04,850 INFO L130 BoogieDeclarations]: Found specification of procedure clk_enable [2020-09-25 06:13:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable [2020-09-25 06:13:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2020-09-25 06:13:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2020-09-25 06:13:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure phy_disconnect [2020-09-25 06:13:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure phy_start [2020-09-25 06:13:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap [2020-09-25 06:13:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure of_get_phy_mode [2020-09-25 06:13:04,852 INFO L130 BoogieDeclarations]: Found specification of procedure of_get_mac_address [2020-09-25 06:13:04,852 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mii_init [2020-09-25 06:13:04,852 INFO L130 BoogieDeclarations]: Found specification of procedure macb_ioctl [2020-09-25 06:13:04,852 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_stats [2020-09-25 06:13:04,852 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_rx_mode [2020-09-25 06:13:04,852 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_hwaddr [2020-09-25 06:13:04,852 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_hwaddr [2020-09-25 06:13:04,852 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_start [2020-09-25 06:13:04,853 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_open [2020-09-25 06:13:04,853 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_close [2020-09-25 06:13:04,853 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_start_xmit [2020-09-25 06:13:04,853 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_rx [2020-09-25 06:13:04,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-09-25 06:13:04,853 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_interrupt [2020-09-25 06:13:04,853 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_poll_controller [2020-09-25 06:13:04,854 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_probe [2020-09-25 06:13:04,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 06:13:04,854 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_remove [2020-09-25 06:13:04,854 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_suspend [2020-09-25 06:13:04,854 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_resume [2020-09-25 06:13:04,854 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_driver_init [2020-09-25 06:13:04,854 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_driver_exit [2020-09-25 06:13:04,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_1 [2020-09-25 06:13:04,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2020-09-25 06:13:04,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2020-09-25 06:13:04,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 06:13:04,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 06:13:04,855 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 06:13:04,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-25 06:13:04,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-09-25 06:13:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-25 06:13:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-09-25 06:13:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-09-25 06:13:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-09-25 06:13:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-25 06:13:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-09-25 06:13:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-09-25 06:13:04,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-09-25 06:13:04,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-09-25 06:13:04,857 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 06:13:04,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 06:13:04,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 06:13:04,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 06:13:04,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 06:13:04,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-25 06:13:04,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-25 06:13:04,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-25 06:13:04,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-25 06:13:05,816 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 06:13:08,199 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 06:13:08,199 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-25 06:13:08,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:13:08 BoogieIcfgContainer [2020-09-25 06:13:08,218 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 06:13:08,221 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 06:13:08,222 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 06:13:08,226 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 06:13:08,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:13:01" (1/3) ... [2020-09-25 06:13:08,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f3d2c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:13:08, skipping insertion in model container [2020-09-25 06:13:08,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:13:04" (2/3) ... [2020-09-25 06:13:08,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f3d2c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:13:08, skipping insertion in model container [2020-09-25 06:13:08,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:13:08" (3/3) ... [2020-09-25 06:13:08,230 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 06:13:08,242 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 06:13:08,256 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 06:13:08,280 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 06:13:08,323 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 06:13:08,324 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 06:13:08,324 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 06:13:08,324 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 06:13:08,324 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 06:13:08,324 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 06:13:08,324 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 06:13:08,325 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 06:13:08,379 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states. [2020-09-25 06:13:08,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-09-25 06:13:08,406 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:13:08,408 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 06:13:08,408 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:13:08,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:13:08,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1808276336, now seen corresponding path program 1 times [2020-09-25 06:13:08,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:13:08,429 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1396642544] [2020-09-25 06:13:08,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:13:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:09,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:09,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:10,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:14,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:14,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-09-25 06:13:14,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 06:13:14,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5081 [2020-09-25 06:13:14,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:14,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:14,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:14,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 222 [2020-09-25 06:13:14,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 06:13:14,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 06:13:14,670 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-09-25 06:13:14,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:13:14,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:14,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:14,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:14,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-25 06:13:14,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:14,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 247 [2020-09-25 06:13:14,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:14,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:14,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:14,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:14,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:14,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:15,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 06:13:15,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:15,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:15,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:15,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 06:13:15,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:15,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-25 06:13:15,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:15,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:15,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:15,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:15,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:15,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:15,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 06:13:15,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:15,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:15,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:15,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 06:13:15,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:15,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-25 06:13:15,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:15,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:15,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:15,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:15,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:15,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:15,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 06:13:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:15,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:15,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:15,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 06:13:15,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:15,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-25 06:13:15,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:15,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:15,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:15,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:15,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:15,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:15,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 06:13:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:15,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:15,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:15,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 06:13:15,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:15,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 06:13:15,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:15,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:15,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:15,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:15,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:15,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:15,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:13:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:15,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:15,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:15,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:13:15,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:15,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 06:13:15,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:15,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:15,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:15,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:15,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:15,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:15,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 06:13:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:15,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:15,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:15,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:15,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:13:15,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:13:15,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 06:13:15,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:15,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:15,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:15,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:15,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:15,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:15,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-09-25 06:13:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:15,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:15,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:15,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 06:13:15,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:15,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-25 06:13:15,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:15,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:15,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:15,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 06:13:15,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:15,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:15,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:13:15,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:15,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:15,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:15,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:13:15,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:15,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 06:13:15,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:15,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:15,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:15,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:15,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:15,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:15,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-09-25 06:13:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:15,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:15,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:15,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:13:15,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:15,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-25 06:13:15,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:15,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:15,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:15,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 06:13:15,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:15,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:15,846 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 06:13:15,847 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1396642544] [2020-09-25 06:13:15,850 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:13:15,850 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 06:13:15,851 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869385210] [2020-09-25 06:13:15,860 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 06:13:15,860 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:13:15,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 06:13:15,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 06:13:15,887 INFO L87 Difference]: Start difference. First operand 2153 states. Second operand 7 states. [2020-09-25 06:13:16,209 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-09-25 06:13:17,076 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-09-25 06:13:17,354 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-09-25 06:13:34,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:13:34,928 INFO L93 Difference]: Finished difference Result 5922 states and 6949 transitions. [2020-09-25 06:13:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 06:13:34,931 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 240 [2020-09-25 06:13:34,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:13:35,009 INFO L225 Difference]: With dead ends: 5922 [2020-09-25 06:13:35,010 INFO L226 Difference]: Without dead ends: 4266 [2020-09-25 06:13:35,030 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 06:13:35,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4266 states. [2020-09-25 06:13:35,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4266 to 3219. [2020-09-25 06:13:35,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3219 states. [2020-09-25 06:13:35,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3219 states to 3219 states and 3580 transitions. [2020-09-25 06:13:35,459 INFO L78 Accepts]: Start accepts. Automaton has 3219 states and 3580 transitions. Word has length 240 [2020-09-25 06:13:35,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:13:35,461 INFO L479 AbstractCegarLoop]: Abstraction has 3219 states and 3580 transitions. [2020-09-25 06:13:35,462 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 06:13:35,462 INFO L276 IsEmpty]: Start isEmpty. Operand 3219 states and 3580 transitions. [2020-09-25 06:13:35,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-09-25 06:13:35,471 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:13:35,472 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 06:13:35,472 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 06:13:35,473 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:13:35,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:13:35,473 INFO L82 PathProgramCache]: Analyzing trace with hash 1113574353, now seen corresponding path program 1 times [2020-09-25 06:13:35,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:13:35,474 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1292703331] [2020-09-25 06:13:35,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:13:35,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:35,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:36,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:38,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:38,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 284 [2020-09-25 06:13:38,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:13:38,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2839 [2020-09-25 06:13:38,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:38,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:38,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 06:13:38,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 213 [2020-09-25 06:13:38,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:13:38,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:38,725 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-09-25 06:13:38,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:13:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:38,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:38,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:38,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-25 06:13:38,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:38,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-09-25 06:13:38,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:38,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:38,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:38,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:38,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:38,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:38,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 06:13:39,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:39,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:39,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:39,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 06:13:39,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:39,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 06:13:39,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:39,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:39,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:39,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:39,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:39,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:39,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 06:13:39,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:39,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:39,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:39,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 06:13:39,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:39,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-25 06:13:39,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:39,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:39,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:39,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:39,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:39,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:39,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 06:13:39,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:39,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:39,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:39,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 06:13:39,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:39,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 06:13:39,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:39,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:39,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:39,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:39,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:39,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:13:39,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 06:13:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:39,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:39,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:39,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 06:13:39,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:39,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-25 06:13:39,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:39,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:39,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:39,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:39,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:39,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:39,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:13:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:39,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:39,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:39,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:13:39,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:39,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-25 06:13:39,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:39,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:39,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:39,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:39,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:39,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:39,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 06:13:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:39,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:39,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:39,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:13:39,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:39,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-09-25 06:13:39,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:39,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:39,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 06:13:39,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 06:13:39,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 06:13:39,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:39,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-25 06:13:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:39,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:39,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:39,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 06:13:39,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:39,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-25 06:13:39,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:39,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:39,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:39,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 06:13:39,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:39,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:39,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 06:13:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:39,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:39,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:39,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 06:13:39,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:39,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 06:13:39,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:39,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:39,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:39,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:39,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:39,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:39,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-25 06:13:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:39,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:39,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:39,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:13:39,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:39,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 06:13:39,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:39,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:39,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:39,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 06:13:39,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:39,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:39,824 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 06:13:39,825 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1292703331] [2020-09-25 06:13:39,825 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:13:39,826 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 06:13:39,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386874587] [2020-09-25 06:13:39,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 06:13:39,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:13:39,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 06:13:39,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-25 06:13:39,831 INFO L87 Difference]: Start difference. First operand 3219 states and 3580 transitions. Second operand 8 states. [2020-09-25 06:13:40,013 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-09-25 06:13:41,330 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-09-25 06:13:41,565 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-09-25 06:13:41,788 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 157