/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=1.0 --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 09:39:35,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 09:39:35,431 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 09:39:35,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 09:39:35,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 09:39:35,489 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 09:39:35,492 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 09:39:35,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 09:39:35,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 09:39:35,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 09:39:35,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 09:39:35,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 09:39:35,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 09:39:35,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 09:39:35,513 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 09:39:35,515 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 09:39:35,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 09:39:35,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 09:39:35,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 09:39:35,531 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 09:39:35,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 09:39:35,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 09:39:35,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 09:39:35,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 09:39:35,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 09:39:35,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 09:39:35,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 09:39:35,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 09:39:35,544 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 09:39:35,545 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 09:39:35,546 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 09:39:35,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 09:39:35,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 09:39:35,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 09:39:35,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 09:39:35,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 09:39:35,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 09:39:35,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 09:39:35,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 09:39:35,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 09:39:35,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 09:39:35,556 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 09:39:35,604 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 09:39:35,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 09:39:35,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 09:39:35,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 09:39:35,607 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 09:39:35,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 09:39:35,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 09:39:35,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 09:39:35,609 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 09:39:35,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 09:39:35,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 09:39:35,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 09:39:35,611 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 09:39:35,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 09:39:35,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 09:39:35,612 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 09:39:35,612 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 09:39:35,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 09:39:35,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:39:35,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 09:39:35,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 09:39:35,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 09:39:35,613 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 09:39:35,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 09:39:35,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 09:39:35,614 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 09:39:35,614 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 09:39:35,614 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=1.0;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=1.0;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=1.0;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=1.0;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=1.0;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=1.0;log-additional-information=true; [2020-09-25 09:39:36,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 09:39:36,131 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 09:39:36,135 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 09:39:36,137 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 09:39:36,138 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 09:39:36,139 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--cadence--at91_ether.ko-entry_point.cil.out.i [2020-09-25 09:39:36,235 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/24dc57b29/2bd2db7683a846a3877854d2c73b938a/FLAG02a56694a [2020-09-25 09:39:37,129 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 09:39:37,130 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--cadence--at91_ether.ko-entry_point.cil.out.i [2020-09-25 09:39:37,179 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/24dc57b29/2bd2db7683a846a3877854d2c73b938a/FLAG02a56694a [2020-09-25 09:39:37,637 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/24dc57b29/2bd2db7683a846a3877854d2c73b938a [2020-09-25 09:39:37,652 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 09:39:37,657 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 09:39:37,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 09:39:37,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 09:39:37,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 09:39:37,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:39:37" (1/1) ... [2020-09-25 09:39:37,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f752372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:37, skipping insertion in model container [2020-09-25 09:39:37,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:39:37" (1/1) ... [2020-09-25 09:39:37,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 09:39:37,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 09:39:39,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:39:39,871 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 09:39:40,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:39:40,641 INFO L208 MainTranslator]: Completed translation [2020-09-25 09:39:40,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:40 WrapperNode [2020-09-25 09:39:40,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 09:39:40,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 09:39:40,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 09:39:40,656 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 09:39:40,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:40" (1/1) ... [2020-09-25 09:39:40,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:40" (1/1) ... [2020-09-25 09:39:40,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:40" (1/1) ... [2020-09-25 09:39:40,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:40" (1/1) ... [2020-09-25 09:39:40,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:40" (1/1) ... [2020-09-25 09:39:40,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:40" (1/1) ... [2020-09-25 09:39:40,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:40" (1/1) ... [2020-09-25 09:39:40,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 09:39:40,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 09:39:40,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 09:39:40,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 09:39:40,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:40" (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 09:39:41,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 09:39:41,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 09:39:41,035 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 09:39:41,035 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 09:39:41,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-09-25 09:39:41,035 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 09:39:41,036 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-09-25 09:39:41,036 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-09-25 09:39:41,038 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-09-25 09:39:41,039 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-09-25 09:39:41,039 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-09-25 09:39:41,039 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2020-09-25 09:39:41,039 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2020-09-25 09:39:41,039 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2020-09-25 09:39:41,040 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-09-25 09:39:41,040 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-09-25 09:39:41,040 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2020-09-25 09:39:41,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2020-09-25 09:39:41,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2020-09-25 09:39:41,043 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2020-09-25 09:39:41,043 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-09-25 09:39:41,043 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-09-25 09:39:41,043 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-25 09:39:41,043 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 09:39:41,043 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2020-09-25 09:39:41,044 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2020-09-25 09:39:41,044 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2020-09-25 09:39:41,044 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2020-09-25 09:39:41,044 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2020-09-25 09:39:41,044 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2020-09-25 09:39:41,046 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2020-09-25 09:39:41,046 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2020-09-25 09:39:41,046 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2020-09-25 09:39:41,046 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2020-09-25 09:39:41,046 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2020-09-25 09:39:41,046 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 09:39:41,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 09:39:41,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 09:39:41,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 09:39:41,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 09:39:41,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 09:39:41,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 09:39:41,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 09:39:41,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 09:39:41,048 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_irq [2020-09-25 09:39:41,048 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2020-09-25 09:39:41,048 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-09-25 09:39:41,048 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2020-09-25 09:39:41,048 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2020-09-25 09:39:41,049 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2020-09-25 09:39:41,049 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2020-09-25 09:39:41,049 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2020-09-25 09:39:41,049 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2020-09-25 09:39:41,049 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2020-09-25 09:39:41,050 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2020-09-25 09:39:41,050 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2020-09-25 09:39:41,050 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2020-09-25 09:39:41,050 INFO L138 BoogieDeclarations]: Found implementation of procedure of_get_phy_mode [2020-09-25 09:39:41,051 INFO L138 BoogieDeclarations]: Found implementation of procedure of_get_mac_address [2020-09-25 09:39:41,051 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_start [2020-09-25 09:39:41,051 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_open [2020-09-25 09:39:41,051 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_close [2020-09-25 09:39:41,052 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_start_xmit [2020-09-25 09:39:41,052 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_rx [2020-09-25 09:39:41,052 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_interrupt [2020-09-25 09:39:41,052 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_poll_controller [2020-09-25 09:39:41,052 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_probe [2020-09-25 09:39:41,052 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_remove [2020-09-25 09:39:41,052 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_suspend [2020-09-25 09:39:41,053 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_resume [2020-09-25 09:39:41,053 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_driver_init [2020-09-25 09:39:41,054 INFO L138 BoogieDeclarations]: Found implementation of procedure at91ether_driver_exit [2020-09-25 09:39:41,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_platform_driver_1 [2020-09-25 09:39:41,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_2 [2020-09-25 09:39:41,055 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 09:39:41,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2020-09-25 09:39:41,056 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-09-25 09:39:41,056 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-09-25 09:39:41,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-09-25 09:39:41,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-09-25 09:39:41,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-09-25 09:39:41,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-09-25 09:39:41,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-09-25 09:39:41,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_12 [2020-09-25 09:39:41,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2020-09-25 09:39:41,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_14 [2020-09-25 09:39:41,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_15 [2020-09-25 09:39:41,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_16 [2020-09-25 09:39:41,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_17 [2020-09-25 09:39:41,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_18 [2020-09-25 09:39:41,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-09-25 09:39:41,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-25 09:39:41,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-09-25 09:39:41,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-09-25 09:39:41,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-09-25 09:39:41,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-25 09:39:41,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-25 09:39:41,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-25 09:39:41,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-25 09:39:41,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-09-25 09:39:41,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 09:39:41,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-09-25 09:39:41,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-09-25 09:39:41,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-09-25 09:39:41,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-09-25 09:39:41,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-09-25 09:39:41,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 09:39:41,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2020-09-25 09:39:41,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2020-09-25 09:39:41,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2020-09-25 09:39:41,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-09-25 09:39:41,062 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2020-09-25 09:39:41,062 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable [2020-09-25 09:39:41,062 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_enable [2020-09-25 09:39:41,062 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2020-09-25 09:39:41,062 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2020-09-25 09:39:41,063 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2020-09-25 09:39:41,063 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2020-09-25 09:39:41,063 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2020-09-25 09:39:41,063 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap [2020-09-25 09:39:41,063 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2020-09-25 09:39:41,064 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2020-09-25 09:39:41,064 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2020-09-25 09:39:41,064 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2020-09-25 09:39:41,065 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2020-09-25 09:39:41,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2020-09-25 09:39:41,066 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-09-25 09:39:41,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_2 [2020-09-25 09:39:41,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_2 [2020-09-25 09:39:41,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_1 [2020-09-25 09:39:41,070 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_hwaddr [2020-09-25 09:39:41,071 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_get_stats [2020-09-25 09:39:41,071 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_ioctl [2020-09-25 09:39:41,071 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_mii_init [2020-09-25 09:39:41,071 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_hwaddr [2020-09-25 09:39:41,072 INFO L138 BoogieDeclarations]: Found implementation of procedure macb_set_rx_mode [2020-09-25 09:39:41,072 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2020-09-25 09:39:41,072 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2020-09-25 09:39:41,073 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2020-09-25 09:39:41,073 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2020-09-25 09:39:41,073 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2020-09-25 09:39:41,073 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2020-09-25 09:39:41,073 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2020-09-25 09:39:41,073 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_disconnect [2020-09-25 09:39:41,074 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_start [2020-09-25 09:39:41,082 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_probe [2020-09-25 09:39:41,083 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2020-09-25 09:39:41,083 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq [2020-09-25 09:39:41,083 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2020-09-25 09:39:41,083 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-25 09:39:41,083 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2020-09-25 09:39:41,083 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-09-25 09:39:41,083 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2020-09-25 09:39:41,084 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2020-09-25 09:39:41,084 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-09-25 09:39:41,084 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-09-25 09:39:41,084 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 09:39:41,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-25 09:39:41,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 09:39:41,085 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-09-25 09:39:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 09:39:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 09:39:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-09-25 09:39:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-09-25 09:39:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-09-25 09:39:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-09-25 09:39:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 09:39:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-25 09:39:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-25 09:39:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-25 09:39:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-25 09:39:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-09-25 09:39:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2020-09-25 09:39:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-09-25 09:39:41,087 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-25 09:39:41,087 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-09-25 09:39:41,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 09:39:41,087 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2020-09-25 09:39:41,087 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2020-09-25 09:39:41,087 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2020-09-25 09:39:41,087 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2020-09-25 09:39:41,088 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-09-25 09:39:41,088 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-09-25 09:39:41,088 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-09-25 09:39:41,088 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2020-09-25 09:39:41,089 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2020-09-25 09:39:41,089 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-09-25 09:39:41,090 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-09-25 09:39:41,090 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2020-09-25 09:39:41,090 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2020-09-25 09:39:41,090 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2020-09-25 09:39:41,090 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2020-09-25 09:39:41,090 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 09:39:41,090 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-09-25 09:39:41,091 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-09-25 09:39:41,091 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-25 09:39:41,091 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 09:39:41,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 09:39:41,091 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2020-09-25 09:39:41,091 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2020-09-25 09:39:41,091 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2020-09-25 09:39:41,091 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2020-09-25 09:39:41,092 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2020-09-25 09:39:41,092 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2020-09-25 09:39:41,092 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2020-09-25 09:39:41,092 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2020-09-25 09:39:41,092 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2020-09-25 09:39:41,092 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 09:39:41,092 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2020-09-25 09:39:41,093 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 09:39:41,093 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2020-09-25 09:39:41,093 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2020-09-25 09:39:41,093 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2020-09-25 09:39:41,093 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-09-25 09:39:41,093 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2020-09-25 09:39:41,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 09:39:41,093 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 09:39:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-09-25 09:39:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-09-25 09:39:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-09-25 09:39:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-09-25 09:39:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-09-25 09:39:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-09-25 09:39:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2020-09-25 09:39:41,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 09:39:41,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_12 [2020-09-25 09:39:41,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-09-25 09:39:41,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-09-25 09:39:41,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-09-25 09:39:41,096 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 09:39:41,096 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 09:39:41,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 09:39:41,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 09:39:41,096 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 09:39:41,096 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 09:39:41,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 09:39:41,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 09:39:41,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 09:39:41,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 09:39:41,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 09:39:41,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 09:39:41,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 09:39:41,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 09:39:41,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 09:39:41,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_platform_driver_1 [2020-09-25 09:39:41,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_2 [2020-09-25 09:39:41,098 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2020-09-25 09:39:41,098 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_irq [2020-09-25 09:39:41,098 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2020-09-25 09:39:41,098 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-09-25 09:39:41,098 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-09-25 09:39:41,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_16 [2020-09-25 09:39:41,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_18 [2020-09-25 09:39:41,099 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2020-09-25 09:39:41,099 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2020-09-25 09:39:41,100 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2020-09-25 09:39:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2020-09-25 09:39:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2020-09-25 09:39:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2020-09-25 09:39:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2020-09-25 09:39:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2020-09-25 09:39:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2020-09-25 09:39:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2020-09-25 09:39:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2020-09-25 09:39:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2020-09-25 09:39:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2020-09-25 09:39:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2020-09-25 09:39:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2020-09-25 09:39:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2020-09-25 09:39:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_14 [2020-09-25 09:39:41,107 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-09-25 09:39:41,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_15 [2020-09-25 09:39:41,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_17 [2020-09-25 09:39:41,111 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2020-09-25 09:39:41,111 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2020-09-25 09:39:41,111 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2020-09-25 09:39:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2020-09-25 09:39:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2020-09-25 09:39:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2020-09-25 09:39:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2020-09-25 09:39:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2020-09-25 09:39:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2020-09-25 09:39:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2020-09-25 09:39:41,112 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_probe [2020-09-25 09:39:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2020-09-25 09:39:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2020-09-25 09:39:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2020-09-25 09:39:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure clk_enable [2020-09-25 09:39:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable [2020-09-25 09:39:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2020-09-25 09:39:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2020-09-25 09:39:41,113 INFO L130 BoogieDeclarations]: Found specification of procedure phy_disconnect [2020-09-25 09:39:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure phy_start [2020-09-25 09:39:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap [2020-09-25 09:39:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure of_get_phy_mode [2020-09-25 09:39:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure of_get_mac_address [2020-09-25 09:39:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure macb_mii_init [2020-09-25 09:39:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure macb_ioctl [2020-09-25 09:39:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_stats [2020-09-25 09:39:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_rx_mode [2020-09-25 09:39:41,114 INFO L130 BoogieDeclarations]: Found specification of procedure macb_set_hwaddr [2020-09-25 09:39:41,115 INFO L130 BoogieDeclarations]: Found specification of procedure macb_get_hwaddr [2020-09-25 09:39:41,115 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_start [2020-09-25 09:39:41,115 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_open [2020-09-25 09:39:41,115 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_close [2020-09-25 09:39:41,115 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_start_xmit [2020-09-25 09:39:41,115 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_rx [2020-09-25 09:39:41,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-09-25 09:39:41,115 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_interrupt [2020-09-25 09:39:41,116 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_poll_controller [2020-09-25 09:39:41,116 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_probe [2020-09-25 09:39:41,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 09:39:41,116 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_remove [2020-09-25 09:39:41,116 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_suspend [2020-09-25 09:39:41,116 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_resume [2020-09-25 09:39:41,116 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_driver_init [2020-09-25 09:39:41,116 INFO L130 BoogieDeclarations]: Found specification of procedure at91ether_driver_exit [2020-09-25 09:39:41,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_1 [2020-09-25 09:39:41,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_2 [2020-09-25 09:39:41,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_2 [2020-09-25 09:39:41,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 09:39:41,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 09:39:41,117 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 09:39:41,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-25 09:39:41,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-09-25 09:39:41,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-25 09:39:41,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-09-25 09:39:41,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-09-25 09:39:41,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-09-25 09:39:41,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-25 09:39:41,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-09-25 09:39:41,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-09-25 09:39:41,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-09-25 09:39:41,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-09-25 09:39:41,118 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 09:39:41,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 09:39:41,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 09:39:41,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 09:39:41,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 09:39:41,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-25 09:39:41,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-25 09:39:41,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-25 09:39:41,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-25 09:39:42,033 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 09:39:44,182 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 09:39:44,182 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-25 09:39:44,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:39:44 BoogieIcfgContainer [2020-09-25 09:39:44,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 09:39:44,217 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 09:39:44,217 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 09:39:44,222 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 09:39:44,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:39:37" (1/3) ... [2020-09-25 09:39:44,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb4c310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:39:44, skipping insertion in model container [2020-09-25 09:39:44,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:40" (2/3) ... [2020-09-25 09:39:44,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb4c310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:39:44, skipping insertion in model container [2020-09-25 09:39:44,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:39:44" (3/3) ... [2020-09-25 09:39:44,227 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 09:39:44,242 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 09:39:44,260 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 09:39:44,291 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 09:39:44,335 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 09:39:44,335 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 09:39:44,336 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 09:39:44,336 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 09:39:44,336 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 09:39:44,336 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 09:39:44,336 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 09:39:44,336 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 09:39:44,408 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states. [2020-09-25 09:39:44,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-09-25 09:39:44,443 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:39:44,447 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 09:39:44,447 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:39:44,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:39:44,456 INFO L82 PathProgramCache]: Analyzing trace with hash 1808276336, now seen corresponding path program 1 times [2020-09-25 09:39:44,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:39:44,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [619064576] [2020-09-25 09:39:44,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:39:44,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:45,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:45,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:46,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:50,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:50,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-09-25 09:39:50,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 09:39:50,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-09-25 09:39:50,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:50,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:50,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:39:50,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 222 [2020-09-25 09:39:50,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 09:39:50,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 09:39:50,539 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-09-25 09:39:50,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:39:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:50,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:50,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:50,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-25 09:39:50,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:50,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 245 [2020-09-25 09:39:50,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:50,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:50,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:50,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:50,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:50,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:50,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 09:39:50,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:50,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:50,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:50,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 09:39:50,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:50,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-25 09:39:50,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:50,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:50,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:50,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:50,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:50,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:50,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 09:39:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:51,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:51,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:51,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 09:39:51,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:51,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-25 09:39:51,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:51,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:51,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:51,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:51,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:51,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:51,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 09:39:51,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:51,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:51,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:51,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 09:39:51,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:51,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-25 09:39:51,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:51,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:51,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:51,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:51,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:51,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:51,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 09:39:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:51,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:51,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:51,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 09:39:51,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:51,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-25 09:39:51,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:51,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:51,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:51,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:51,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:51,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:39:51,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:39:51,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:51,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:51,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:51,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:39:51,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:51,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-25 09:39:51,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:51,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:51,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:51,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:51,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:51,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:51,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 09:39:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:51,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:51,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:51,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:51,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:39:51,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:39:51,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 09:39:51,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:51,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:51,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:51,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:51,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:51,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:51,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-09-25 09:39:51,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:51,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:51,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:51,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:39:51,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:51,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 09:39:51,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:51,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:51,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:51,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 09:39:51,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:51,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:51,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:39:51,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:51,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:51,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:51,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:39:51,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:51,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 09:39:51,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:51,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:51,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:51,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:51,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:51,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:39:51,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-09-25 09:39:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:51,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:51,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:51,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:39:51,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:51,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 09:39:51,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:51,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:51,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:51,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 09:39:51,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:51,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:39:51,662 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 09:39:51,663 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [619064576] [2020-09-25 09:39:51,665 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:39:51,666 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 09:39:51,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805678680] [2020-09-25 09:39:51,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 09:39:51,676 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:39:51,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 09:39:51,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-25 09:39:51,697 INFO L87 Difference]: Start difference. First operand 2153 states. Second operand 7 states. [2020-09-25 09:39:51,919 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-09-25 09:39:52,836 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-09-25 09:39:53,156 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-09-25 09:40:10,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:40:10,754 INFO L93 Difference]: Finished difference Result 5922 states and 6949 transitions. [2020-09-25 09:40:10,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 09:40:10,756 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 240 [2020-09-25 09:40:10,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:40:10,811 INFO L225 Difference]: With dead ends: 5922 [2020-09-25 09:40:10,811 INFO L226 Difference]: Without dead ends: 4266 [2020-09-25 09:40:10,826 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 09:40:10,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4266 states. [2020-09-25 09:40:11,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4266 to 3219. [2020-09-25 09:40:11,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3219 states. [2020-09-25 09:40:11,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3219 states to 3219 states and 3580 transitions. [2020-09-25 09:40:11,237 INFO L78 Accepts]: Start accepts. Automaton has 3219 states and 3580 transitions. Word has length 240 [2020-09-25 09:40:11,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:40:11,239 INFO L479 AbstractCegarLoop]: Abstraction has 3219 states and 3580 transitions. [2020-09-25 09:40:11,239 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 09:40:11,239 INFO L276 IsEmpty]: Start isEmpty. Operand 3219 states and 3580 transitions. [2020-09-25 09:40:11,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-09-25 09:40:11,246 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:40:11,246 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 09:40:11,246 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 09:40:11,247 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:40:11,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:40:11,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1113574353, now seen corresponding path program 1 times [2020-09-25 09:40:11,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:40:11,248 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1078840681] [2020-09-25 09:40:11,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:40:11,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:11,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:11,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:14,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:14,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 284 [2020-09-25 09:40:14,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:40:14,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2689 [2020-09-25 09:40:14,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:14,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:14,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:40:14,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 207 [2020-09-25 09:40:14,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 09:40:14,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:14,565 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-09-25 09:40:14,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:40:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:14,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:14,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:14,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-25 09:40:14,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:14,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-09-25 09:40:14,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:14,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:14,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:14,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:14,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:14,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:14,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 09:40:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:14,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:14,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:14,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 09:40:14,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:14,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 09:40:14,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:14,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:14,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:14,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:14,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:14,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:40:14,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 09:40:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:14,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:15,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:15,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 09:40:15,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:15,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-25 09:40:15,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:15,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:15,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:15,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:15,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:15,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:15,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 09:40:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:15,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:15,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:15,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 09:40:15,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:15,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 09:40:15,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:15,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:15,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:15,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:15,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:15,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:15,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 09:40:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:15,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:15,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:15,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 09:40:15,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:15,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-25 09:40:15,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:15,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:15,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:40:15,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:15,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:40:15,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:15,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:40:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:15,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:15,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:15,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:40:15,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:15,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-25 09:40:15,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:15,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:15,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:40:15,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:15,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:40:15,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:15,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 09:40:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:15,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:15,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:15,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:15,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:40:15,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:40:15,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-09-25 09:40:15,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:15,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:15,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:40:15,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:15,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 09:40:15,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:15,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-25 09:40:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:15,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:15,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:15,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 09:40:15,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:15,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-25 09:40:15,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:15,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:15,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:40:15,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:15,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 09:40:15,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:15,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:40:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:15,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:15,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:15,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 09:40:15,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:15,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 09:40:15,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:15,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:15,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:15,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:15,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:15,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 09:40:15,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-25 09:40:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:15,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:15,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:15,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:40:15,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:15,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-25 09:40:15,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:15,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:15,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 09:40:15,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:15,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 09:40:15,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:15,871 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 09:40:15,872 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1078840681] [2020-09-25 09:40:15,872 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:40:15,872 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 09:40:15,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004929795] [2020-09-25 09:40:15,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 09:40:15,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:40:15,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 09:40:15,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-09-25 09:40:15,877 INFO L87 Difference]: Start difference. First operand 3219 states and 3580 transitions. Second operand 10 states. [2020-09-25 09:40:16,046 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-09-25 09:40:17,093 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-09-25 09:40:17,507 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-09-25 09:40:20,373 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 162 [2020-09-25 09:40:20,746 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-09-25 09:40:21,054 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-09-25 09:40:21,299 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 162