/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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 SequenceOfStatements --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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 17:50:39,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 17:50:39,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 17:50:39,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 17:50:39,714 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 17:50:39,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 17:50:39,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 17:50:39,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 17:50:39,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 17:50:39,723 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 17:50:39,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 17:50:39,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 17:50:39,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 17:50:39,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 17:50:39,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 17:50:39,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 17:50:39,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 17:50:39,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 17:50:39,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 17:50:39,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 17:50:39,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 17:50:39,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 17:50:39,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 17:50:39,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 17:50:39,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 17:50:39,755 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 17:50:39,758 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 17:50:39,760 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 17:50:39,761 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 17:50:39,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 17:50:39,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 17:50:39,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 17:50:39,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 17:50:39,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 17:50:39,770 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 17:50:39,771 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 17:50:39,772 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 17:50:39,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 17:50:39,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 17:50:39,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 17:50:39,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 17:50:39,777 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 [2020-10-29 17:50:39,833 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 17:50:39,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 17:50:39,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 17:50:39,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 17:50:39,840 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 17:50:39,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 17:50:39,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 17:50:39,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 17:50:39,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 17:50:39,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 17:50:39,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 17:50:39,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 17:50:39,841 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 17:50:39,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 17:50:39,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 17:50:39,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 17:50:39,842 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 17:50:39,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 17:50:39,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 17:50:39,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 17:50:39,844 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 17:50:39,844 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 17:50:39,844 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 17:50:39,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 17:50:39,845 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 17:50:39,845 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 17:50:39,845 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-29 17:50:39,845 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 17:50:40,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 17:50:40,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 17:50:40,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 17:50:40,270 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 17:50:40,271 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 17:50:40,272 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i [2020-10-29 17:50:40,370 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/425766158/c5b070d2d1be49dd9cebecb607267824/FLAGc980f1185 [2020-10-29 17:50:41,492 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 17:50:41,494 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i [2020-10-29 17:50:41,544 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/425766158/c5b070d2d1be49dd9cebecb607267824/FLAGc980f1185 [2020-10-29 17:50:41,931 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/425766158/c5b070d2d1be49dd9cebecb607267824 [2020-10-29 17:50:41,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 17:50:41,945 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 17:50:41,948 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 17:50:41,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 17:50:41,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 17:50:41,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:50:41" (1/1) ... [2020-10-29 17:50:41,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23778980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:41, skipping insertion in model container [2020-10-29 17:50:41,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:50:41" (1/1) ... [2020-10-29 17:50:41,967 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 17:50:42,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 17:50:44,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 17:50:44,274 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 17:50:44,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 17:50:45,739 INFO L208 MainTranslator]: Completed translation [2020-10-29 17:50:45,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:45 WrapperNode [2020-10-29 17:50:45,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 17:50:45,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 17:50:45,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 17:50:45,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 17:50:45,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:45" (1/1) ... [2020-10-29 17:50:45,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:45" (1/1) ... [2020-10-29 17:50:45,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:45" (1/1) ... [2020-10-29 17:50:45,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:45" (1/1) ... [2020-10-29 17:50:46,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:45" (1/1) ... [2020-10-29 17:50:46,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:45" (1/1) ... [2020-10-29 17:50:46,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:45" (1/1) ... [2020-10-29 17:50:46,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 17:50:46,145 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 17:50:46,145 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 17:50:46,145 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 17:50:46,146 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:45" (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 [2020-10-29 17:50:46,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 17:50:46,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 17:50:46,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-10-29 17:50:46,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2020-10-29 17:50:46,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2020-10-29 17:50:46,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-10-29 17:50:46,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-29 17:50:46,224 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-29 17:50:46,224 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-29 17:50:46,225 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-29 17:50:46,225 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-29 17:50:46,225 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-29 17:50:46,225 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-29 17:50:46,225 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-10-29 17:50:46,225 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-10-29 17:50:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2020-10-29 17:50:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2020-10-29 17:50:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2020-10-29 17:50:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2020-10-29 17:50:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2020-10-29 17:50:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2020-10-29 17:50:46,227 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2020-10-29 17:50:46,227 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2020-10-29 17:50:46,227 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2020-10-29 17:50:46,227 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2020-10-29 17:50:46,227 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-29 17:50:46,227 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2020-10-29 17:50:46,228 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2020-10-29 17:50:46,228 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2020-10-29 17:50:46,228 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2020-10-29 17:50:46,228 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2020-10-29 17:50:46,228 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2020-10-29 17:50:46,228 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dropped_invalid_skb [2020-10-29 17:50:46,229 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2020-10-29 17:50:46,229 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_set_drvdata [2020-10-29 17:50:46,229 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_get_drvdata [2020-10-29 17:50:46,229 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_unregister_driver [2020-10-29 17:50:46,229 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2020-10-29 17:50:46,229 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2020-10-29 17:50:46,229 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_write [2020-10-29 17:50:46,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __of_match_device [2020-10-29 17:50:46,230 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_is_2510 [2020-10-29 17:50:46,230 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_clean [2020-10-29 17:50:46,230 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_spi_trans [2020-10-29 17:50:46,230 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_read_reg [2020-10-29 17:50:46,230 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_read_2regs [2020-10-29 17:50:46,230 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_write_reg [2020-10-29 17:50:46,231 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_write_bits [2020-10-29 17:50:46,231 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_tx_frame [2020-10-29 17:50:46,231 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_tx [2020-10-29 17:50:46,231 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_rx_frame [2020-10-29 17:50:46,231 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_rx [2020-10-29 17:50:46,231 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_sleep [2020-10-29 17:50:46,231 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hard_start_xmit [2020-10-29 17:50:46,232 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_do_set_mode [2020-10-29 17:50:46,232 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_set_normal_mode [2020-10-29 17:50:46,232 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_do_set_bittiming [2020-10-29 17:50:46,232 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_setup [2020-10-29 17:50:46,232 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_reset [2020-10-29 17:50:46,232 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_probe [2020-10-29 17:50:46,233 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_power_enable [2020-10-29 17:50:46,233 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_open_clean [2020-10-29 17:50:46,233 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_stop [2020-10-29 17:50:46,233 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_error_skb [2020-10-29 17:50:46,233 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_tx_work_handler [2020-10-29 17:50:46,233 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_restart_work_handler [2020-10-29 17:50:46,233 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_ist [2020-10-29 17:50:46,234 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_open [2020-10-29 17:50:46,234 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_probe [2020-10-29 17:50:46,234 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_remove [2020-10-29 17:50:46,234 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_suspend [2020-10-29 17:50:46,234 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_resume [2020-10-29 17:50:46,234 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_driver_init [2020-10-29 17:50:46,234 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_driver_exit [2020-10-29 17:50:46,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_mcp251x_can_driver_exit_12_2 [2020-10-29 17:50:46,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_mcp251x_can_driver_init_12_11 [2020-10-29 17:50:46,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_driver_io_instance_0 [2020-10-29 17:50:46,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_10_1 [2020-10-29 17:50:46,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_8_1 [2020-10-29 17:50:46,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_platform_instance_11_12_4 [2020-10-29 17:50:46,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_rtc_class_instance_12_12_5 [2020-10-29 17:50:46,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_deregister_6_1 [2020-10-29 17:50:46,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_7_2 [2020-10-29 17:50:46,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_pm_deregister_4_5 [2020-10-29 17:50:46,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_pm_register_4_6 [2020-10-29 17:50:46,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_11_2 [2020-10-29 17:50:46,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_9_2 [2020-10-29 17:50:46,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_platform_instance_11_12_6 [2020-10-29 17:50:46,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_rtc_class_instance_12_12_7 [2020-10-29 17:50:46,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_3 [2020-10-29 17:50:46,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_7 [2020-10-29 17:50:46,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_8 [2020-10-29 17:50:46,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_12 [2020-10-29 17:50:46,237 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 17:50:46,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2020-10-29 17:50:46,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_1_5 [2020-10-29 17:50:46,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_thread_1_3 [2020-10-29 17:50:46,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2020-10-29 17:50:46,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_io_instance_probe_0_11 [2020-10-29 17:50:46,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_io_instance_release_0_2 [2020-10-29 17:50:46,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_2 [2020-10-29 17:50:46,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_instance_probe_4_14 [2020-10-29 17:50:46,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_instance_release_4_3 [2020-10-29 17:50:46,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_complete_3_3 [2020-10-29 17:50:46,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_freeze_3_15 [2020-10-29 17:50:46,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_freeze_late_3_14 [2020-10-29 17:50:46,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_freeze_noirq_3_12 [2020-10-29 17:50:46,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_poweroff_3_9 [2020-10-29 17:50:46,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_poweroff_late_3_8 [2020-10-29 17:50:46,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_poweroff_noirq_3_6 [2020-10-29 17:50:46,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_prepare_3_22 [2020-10-29 17:50:46,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_restore_3_4 [2020-10-29 17:50:46,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_restore_early_3_7 [2020-10-29 17:50:46,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_restore_noirq_3_5 [2020-10-29 17:50:46,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_resume_3_16 [2020-10-29 17:50:46,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_resume_early_3_17 [2020-10-29 17:50:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_resume_noirq_3_19 [2020-10-29 17:50:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_runtime_idle_3_27 [2020-10-29 17:50:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_runtime_resume_3_24 [2020-10-29 17:50:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_runtime_suspend_3_25 [2020-10-29 17:50:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_suspend_3_21 [2020-10-29 17:50:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_suspend_late_3_18 [2020-10-29 17:50:46,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_suspend_noirq_3_20 [2020-10-29 17:50:46,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_thaw_3_10 [2020-10-29 17:50:46,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_thaw_early_3_13 [2020-10-29 17:50:46,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_thaw_noirq_3_11 [2020-10-29 17:50:46,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_platform_instance_4 [2020-10-29 17:50:46,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_pm_ops_instance_3 [2020-10-29 17:50:46,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_candev [2020-10-29 17:50:46,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_threaded_irq [2020-10-29 17:50:46,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rtc_class_instance_callback_5_15 [2020-10-29 17:50:46,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rtc_class_instance_callback_5_16 [2020-10-29 17:50:46,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rtc_class_instance_callback_5_17 [2020-10-29 17:50:46,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rtc_class_instance_callback_5_18 [2020-10-29 17:50:46,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rtc_class_instance_callback_5_19 [2020-10-29 17:50:46,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rtc_class_instance_callback_5_4 [2020-10-29 17:50:46,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rtc_class_instance_probe_5_10 [2020-10-29 17:50:46,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rtc_class_instance_release_5_2 [2020-10-29 17:50:46,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rtc_rtc_class_instance_5 [2020-10-29 17:50:46,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_register_driver [2020-10-29 17:50:46,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_unregister_driver [2020-10-29 17:50:46,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_candev [2020-10-29 17:50:46,244 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-29 17:50:46,244 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-29 17:50:46,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata_9 [2020-10-29 17:50:46,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_10 [2020-10-29 17:50:46,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_15 [2020-10-29 17:50:46,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_16 [2020-10-29 17:50:46,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_threaded_irq_17 [2020-10-29 17:50:46,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_18 [2020-10-29 17:50:46,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_candev_19 [2020-10-29 17:50:46,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_20 [2020-10-29 17:50:46,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_candev_21 [2020-10-29 17:50:46,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_22 [2020-10-29 17:50:46,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_register_driver_23 [2020-10-29 17:50:46,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_unregister_driver_24 [2020-10-29 17:50:46,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-10-29 17:50:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-10-29 17:50:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2020-10-29 17:50:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-29 17:50:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-29 17:50:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-29 17:50:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-29 17:50:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2020-10-29 17:50:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2020-10-29 17:50:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2020-10-29 17:50:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2020-10-29 17:50:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2020-10-29 17:50:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2020-10-29 17:50:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-29 17:50:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-29 17:50:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-29 17:50:46,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-29 17:50:46,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2020-10-29 17:50:46,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-29 17:50:46,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2020-10-29 17:50:46,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2020-10-29 17:50:46,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2020-10-29 17:50:46,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-29 17:50:46,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-29 17:50:46,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2020-10-29 17:50:46,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2020-10-29 17:50:46,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2020-10-29 17:50:46,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2020-10-29 17:50:46,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2020-10-29 17:50:46,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2020-10-29 17:50:46,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_clk [2020-10-29 17:50:46,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_enable_clk [2020-10-29 17:50:46,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_clk_of_mcp251x_priv [2020-10-29 17:50:46,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_enable_clk_of_mcp251x_priv [2020-10-29 17:50:46,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-29 17:50:46,251 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 17:50:46,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2020-10-29 17:50:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2020-10-29 17:50:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-29 17:50:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-10-29 17:50:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2020-10-29 17:50:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-29 17:50:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-29 17:50:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2020-10-29 17:50:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-29 17:50:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_err_skb [2020-10-29 17:50:46,253 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_skb [2020-10-29 17:50:46,253 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_candev [2020-10-29 17:50:46,253 INFO L138 BoogieDeclarations]: Found implementation of procedure can_bus_off [2020-10-29 17:50:46,253 INFO L138 BoogieDeclarations]: Found implementation of procedure can_free_echo_skb [2020-10-29 17:50:46,253 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_echo_skb [2020-10-29 17:50:46,253 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_event [2020-10-29 17:50:46,253 INFO L138 BoogieDeclarations]: Found implementation of procedure can_put_echo_skb [2020-10-29 17:50:46,253 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2020-10-29 17:50:46,254 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2020-10-29 17:50:46,254 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2020-10-29 17:50:46,254 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2020-10-29 17:50:46,254 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2020-10-29 17:50:46,254 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2020-10-29 17:50:46,254 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-29 17:50:46,254 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2020-10-29 17:50:46,255 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_can_led_init [2020-10-29 17:50:46,255 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2020-10-29 17:50:46,255 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2020-10-29 17:50:46,255 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_regulator_get [2020-10-29 17:50:46,255 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2020-10-29 17:50:46,255 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2020-10-29 17:50:46,255 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2020-10-29 17:50:46,256 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2020-10-29 17:50:46,256 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-10-29 17:50:46,256 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2020-10-29 17:50:46,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2020-10-29 17:50:46,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2020-10-29 17:50:46,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-10-29 17:50:46,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-29 17:50:46,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2020-10-29 17:50:46,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2020-10-29 17:50:46,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2020-10-29 17:50:46,257 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2020-10-29 17:50:46,257 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-29 17:50:46,257 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-29 17:50:46,257 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2020-10-29 17:50:46,257 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2020-10-29 17:50:46,257 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2020-10-29 17:50:46,257 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx_ni [2020-10-29 17:50:46,258 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2020-10-29 17:50:46,258 INFO L138 BoogieDeclarations]: Found implementation of procedure open_candev [2020-10-29 17:50:46,258 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-29 17:50:46,258 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2020-10-29 17:50:46,258 INFO L138 BoogieDeclarations]: Found implementation of procedure register_candev [2020-10-29 17:50:46,258 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_disable [2020-10-29 17:50:46,258 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_enable [2020-10-29 17:50:46,258 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2020-10-29 17:50:46,259 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-10-29 17:50:46,259 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_get_device_id [2020-10-29 17:50:46,259 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_register_driver [2020-10-29 17:50:46,259 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_setup [2020-10-29 17:50:46,259 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2020-10-29 17:50:46,259 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_candev [2020-10-29 17:50:46,259 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-29 17:50:46,259 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-29 17:50:46,260 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-29 17:50:46,260 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-29 17:50:46,260 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-29 17:50:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-29 17:50:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-10-29 17:50:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-10-29 17:50:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-29 17:50:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-29 17:50:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_clk [2020-10-29 17:50:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_enable_clk [2020-10-29 17:50:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_clk_of_mcp251x_priv [2020-10-29 17:50:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-29 17:50:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2020-10-29 17:50:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2020-10-29 17:50:46,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2020-10-29 17:50:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2020-10-29 17:50:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-29 17:50:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2020-10-29 17:50:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2020-10-29 17:50:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2020-10-29 17:50:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-29 17:50:46,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-29 17:50:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2020-10-29 17:50:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2020-10-29 17:50:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-29 17:50:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 17:50:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-29 17:50:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-29 17:50:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 17:50:46,263 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-29 17:50:46,264 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-29 17:50:46,264 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-29 17:50:46,264 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-29 17:50:46,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 17:50:46,264 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-29 17:50:46,264 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-10-29 17:50:46,264 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-29 17:50:46,264 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-29 17:50:46,265 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-29 17:50:46,265 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-29 17:50:46,265 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-29 17:50:46,265 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-10-29 17:50:46,265 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-10-29 17:50:46,265 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2020-10-29 17:50:46,265 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-29 17:50:46,265 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-29 17:50:46,266 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-29 17:50:46,266 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2020-10-29 17:50:46,266 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2020-10-29 17:50:46,266 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2020-10-29 17:50:46,266 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2020-10-29 17:50:46,266 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2020-10-29 17:50:46,266 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2020-10-29 17:50:46,266 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2020-10-29 17:50:46,267 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2020-10-29 17:50:46,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_10 [2020-10-29 17:50:46,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata_9 [2020-10-29 17:50:46,267 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2020-10-29 17:50:46,267 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-29 17:50:46,267 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2020-10-29 17:50:46,267 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-29 17:50:46,267 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-29 17:50:46,268 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-10-29 17:50:46,268 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2020-10-29 17:50:46,268 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2020-10-29 17:50:46,268 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2020-10-29 17:50:46,268 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2020-10-29 17:50:46,268 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2020-10-29 17:50:46,268 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2020-10-29 17:50:46,268 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2020-10-29 17:50:46,268 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-10-29 17:50:46,269 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2020-10-29 17:50:46,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 17:50:46,269 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2020-10-29 17:50:46,269 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2020-10-29 17:50:46,269 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2020-10-29 17:50:46,269 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2020-10-29 17:50:46,269 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-29 17:50:46,269 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2020-10-29 17:50:46,269 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2020-10-29 17:50:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2020-10-29 17:50:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2020-10-29 17:50:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2020-10-29 17:50:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2020-10-29 17:50:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2020-10-29 17:50:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2020-10-29 17:50:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx_ni [2020-10-29 17:50:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2020-10-29 17:50:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2020-10-29 17:50:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2020-10-29 17:50:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2020-10-29 17:50:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_threaded_irq_17 [2020-10-29 17:50:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-10-29 17:50:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_15 [2020-10-29 17:50:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_16 [2020-10-29 17:50:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2020-10-29 17:50:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2020-10-29 17:50:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_event [2020-10-29 17:50:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure devm_can_led_init [2020-10-29 17:50:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure can_dropped_invalid_skb [2020-10-29 17:50:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 17:50:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_candev [2020-10-29 17:50:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2020-10-29 17:50:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure open_candev [2020-10-29 17:50:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2020-10-29 17:50:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure register_candev [2020-10-29 17:50:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_candev_19 [2020-10-29 17:50:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_candev [2020-10-29 17:50:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_candev_21 [2020-10-29 17:50:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure can_bus_off [2020-10-29 17:50:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure can_put_echo_skb [2020-10-29 17:50:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_echo_skb [2020-10-29 17:50:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure can_free_echo_skb [2020-10-29 17:50:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_skb [2020-10-29 17:50:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_err_skb [2020-10-29 17:50:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2020-10-29 17:50:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure spi_set_drvdata [2020-10-29 17:50:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure spi_get_drvdata [2020-10-29 17:50:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure spi_register_driver [2020-10-29 17:50:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_register_driver_23 [2020-10-29 17:50:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure spi_unregister_driver [2020-10-29 17:50:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_unregister_driver_24 [2020-10-29 17:50:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2020-10-29 17:50:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-29 17:50:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2020-10-29 17:50:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure spi_setup [2020-10-29 17:50:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2020-10-29 17:50:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure spi_write [2020-10-29 17:50:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 17:50:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure spi_get_device_id [2020-10-29 17:50:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2020-10-29 17:50:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2020-10-29 17:50:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_18 [2020-10-29 17:50:46,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_20 [2020-10-29 17:50:46,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_22 [2020-10-29 17:50:46,276 INFO L130 BoogieDeclarations]: Found specification of procedure __of_match_device [2020-10-29 17:50:46,276 INFO L130 BoogieDeclarations]: Found specification of procedure devm_regulator_get [2020-10-29 17:50:46,276 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_enable [2020-10-29 17:50:46,276 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_disable [2020-10-29 17:50:46,276 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_is_2510 [2020-10-29 17:50:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_clean [2020-10-29 17:50:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_spi_trans [2020-10-29 17:50:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_read_reg [2020-10-29 17:50:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_read_2regs [2020-10-29 17:50:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_write_reg [2020-10-29 17:50:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_write_bits [2020-10-29 17:50:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_tx_frame [2020-10-29 17:50:46,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-29 17:50:46,278 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_tx [2020-10-29 17:50:46,278 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_rx_frame [2020-10-29 17:50:46,278 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_rx [2020-10-29 17:50:46,278 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_sleep [2020-10-29 17:50:46,278 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hard_start_xmit [2020-10-29 17:50:46,278 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_do_set_mode [2020-10-29 17:50:46,279 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_set_normal_mode [2020-10-29 17:50:46,279 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_do_set_bittiming [2020-10-29 17:50:46,279 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_setup [2020-10-29 17:50:46,279 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_reset [2020-10-29 17:50:46,279 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_probe [2020-10-29 17:50:46,279 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_power_enable [2020-10-29 17:50:46,279 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_open_clean [2020-10-29 17:50:46,279 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_stop [2020-10-29 17:50:46,280 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_error_skb [2020-10-29 17:50:46,280 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_tx_work_handler [2020-10-29 17:50:46,280 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_restart_work_handler [2020-10-29 17:50:46,280 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_ist [2020-10-29 17:50:46,280 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_open [2020-10-29 17:50:46,280 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_probe [2020-10-29 17:50:46,280 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_remove [2020-10-29 17:50:46,280 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_suspend [2020-10-29 17:50:46,280 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_resume [2020-10-29 17:50:46,281 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_driver_init [2020-10-29 17:50:46,281 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_driver_exit [2020-10-29 17:50:46,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_mcp251x_can_driver_exit_12_2 [2020-10-29 17:50:46,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_mcp251x_can_driver_init_12_11 [2020-10-29 17:50:46,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_driver_io_instance_0 [2020-10-29 17:50:46,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_10_1 [2020-10-29 17:50:46,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_8_1 [2020-10-29 17:50:46,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_platform_instance_11_12_4 [2020-10-29 17:50:46,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_rtc_class_instance_12_12_5 [2020-10-29 17:50:46,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_deregister_6_1 [2020-10-29 17:50:46,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_7_2 [2020-10-29 17:50:46,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_pm_deregister_4_5 [2020-10-29 17:50:46,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_pm_register_4_6 [2020-10-29 17:50:46,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_11_2 [2020-10-29 17:50:46,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_9_2 [2020-10-29 17:50:46,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_platform_instance_11_12_6 [2020-10-29 17:50:46,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_rtc_class_instance_12_12_7 [2020-10-29 17:50:46,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_3 [2020-10-29 17:50:46,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_7 [2020-10-29 17:50:46,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_8 [2020-10-29 17:50:46,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_12 [2020-10-29 17:50:46,283 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 17:50:46,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2020-10-29 17:50:46,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_1_5 [2020-10-29 17:50:46,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_thread_1_3 [2020-10-29 17:50:46,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2020-10-29 17:50:46,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_io_instance_probe_0_11 [2020-10-29 17:50:46,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_io_instance_release_0_2 [2020-10-29 17:50:46,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_2 [2020-10-29 17:50:46,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_instance_probe_4_14 [2020-10-29 17:50:46,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_instance_release_4_3 [2020-10-29 17:50:46,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_complete_3_3 [2020-10-29 17:50:46,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_freeze_3_15 [2020-10-29 17:50:46,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_freeze_late_3_14 [2020-10-29 17:50:46,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_freeze_noirq_3_12 [2020-10-29 17:50:46,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_poweroff_3_9 [2020-10-29 17:50:46,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_poweroff_late_3_8 [2020-10-29 17:50:46,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_poweroff_noirq_3_6 [2020-10-29 17:50:46,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_prepare_3_22 [2020-10-29 17:50:46,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_restore_3_4 [2020-10-29 17:50:46,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_restore_early_3_7 [2020-10-29 17:50:46,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_restore_noirq_3_5 [2020-10-29 17:50:46,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_resume_3_16 [2020-10-29 17:50:46,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_resume_early_3_17 [2020-10-29 17:50:46,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_resume_noirq_3_19 [2020-10-29 17:50:46,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_runtime_idle_3_27 [2020-10-29 17:50:46,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_runtime_resume_3_24 [2020-10-29 17:50:46,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_runtime_suspend_3_25 [2020-10-29 17:50:46,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_suspend_3_21 [2020-10-29 17:50:46,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_suspend_late_3_18 [2020-10-29 17:50:46,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_suspend_noirq_3_20 [2020-10-29 17:50:46,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_thaw_3_10 [2020-10-29 17:50:46,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_thaw_early_3_13 [2020-10-29 17:50:46,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_thaw_noirq_3_11 [2020-10-29 17:50:46,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_platform_instance_4 [2020-10-29 17:50:46,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_pm_ops_instance_3 [2020-10-29 17:50:46,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_candev [2020-10-29 17:50:46,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_threaded_irq [2020-10-29 17:50:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rtc_class_instance_callback_5_15 [2020-10-29 17:50:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rtc_class_instance_callback_5_16 [2020-10-29 17:50:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rtc_class_instance_callback_5_17 [2020-10-29 17:50:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rtc_class_instance_callback_5_18 [2020-10-29 17:50:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rtc_class_instance_callback_5_19 [2020-10-29 17:50:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rtc_class_instance_callback_5_4 [2020-10-29 17:50:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rtc_class_instance_probe_5_10 [2020-10-29 17:50:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rtc_class_instance_release_5_2 [2020-10-29 17:50:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rtc_rtc_class_instance_5 [2020-10-29 17:50:46,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_register_driver [2020-10-29 17:50:46,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_unregister_driver [2020-10-29 17:50:46,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_candev [2020-10-29 17:50:46,289 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2020-10-29 17:50:46,289 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-10-29 17:50:46,289 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-29 17:50:46,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2020-10-29 17:50:46,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-29 17:50:46,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2020-10-29 17:50:46,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-29 17:50:46,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-29 17:50:46,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2020-10-29 17:50:46,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-10-29 17:50:46,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2020-10-29 17:50:46,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2020-10-29 17:50:46,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2020-10-29 17:50:46,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-29 17:50:46,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-29 17:50:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2020-10-29 17:50:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 17:50:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-29 17:50:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 17:50:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 17:50:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-29 17:50:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-29 17:50:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2020-10-29 17:50:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2020-10-29 17:50:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 17:50:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-29 17:50:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2020-10-29 17:50:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2020-10-29 17:50:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2020-10-29 17:50:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2020-10-29 17:50:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2020-10-29 17:50:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_enable_clk_of_mcp251x_priv [2020-10-29 17:50:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 17:50:46,293 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 17:50:46,293 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 17:50:46,293 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 17:50:46,293 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 17:50:46,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-29 17:50:46,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-29 17:50:46,293 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-29 17:50:46,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 17:50:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 17:50:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-29 17:50:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-29 17:50:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-29 17:50:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 17:50:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-29 17:50:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-29 17:50:48,016 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-29 17:51:39,399 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 17:51:39,399 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-29 17:51:39,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:51:39 BoogieIcfgContainer [2020-10-29 17:51:39,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 17:51:39,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 17:51:39,407 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 17:51:39,411 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 17:51:39,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:50:41" (1/3) ... [2020-10-29 17:51:39,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b1da040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:51:39, skipping insertion in model container [2020-10-29 17:51:39,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:50:45" (2/3) ... [2020-10-29 17:51:39,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b1da040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:51:39, skipping insertion in model container [2020-10-29 17:51:39,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:51:39" (3/3) ... [2020-10-29 17:51:39,414 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i [2020-10-29 17:51:39,427 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 17:51:39,434 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 17:51:39,448 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 17:51:39,482 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 17:51:39,483 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 17:51:39,483 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 17:51:39,483 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 17:51:39,483 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 17:51:39,483 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 17:51:39,483 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 17:51:39,483 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 17:51:39,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1862 states. [2020-10-29 17:51:39,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-29 17:51:39,550 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 17:51:39,551 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 17:51:39,552 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 17:51:39,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 17:51:39,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1894262266, now seen corresponding path program 1 times [2020-10-29 17:51:39,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 17:51:39,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [712772347] [2020-10-29 17:51:39,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 17:51:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 17:51:40,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 17:51:46,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 17:51:46,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-29 17:51:46,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 17:51:46,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6017 [2020-10-29 17:51:46,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 17:51:46,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 17:51:46,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-29 17:51:46,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 17:51:46,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-29 17:51:46,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 17:51:48,023 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 343 [2020-10-29 17:51:48,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 17:51:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 17:51:48,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 17:51:49,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 17:51:49,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 17:51:49,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 17:51:49,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 868 [2020-10-29 17:51:49,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 17:51:49,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 17:51:49,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 17:51:49,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 17:51:49,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 17:51:49,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 17:51:49,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-29 17:51:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 17:51:49,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 17:51:49,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 17:51:49,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 17:51:49,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 17:51:49,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 17:51:49,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 17:51:49,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 17:51:49,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 17:51:49,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 17:51:49,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 17:51:49,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 17:51:49,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 17:51:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 17:51:49,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 17:51:49,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 17:51:49,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-29 17:51:49,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 17:51:49,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 271 [2020-10-29 17:51:49,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 17:51:49,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 17:51:49,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 17:51:49,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 17:51:49,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-29 17:51:49,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 17:51:49,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 17:51:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 17:51:49,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 17:51:49,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 17:51:49,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 17:51:49,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 17:51:49,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 230 [2020-10-29 17:51:49,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 17:51:49,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 17:51:49,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 17:51:49,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 17:51:49,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-29 17:51:49,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 17:51:49,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 17:51:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 17:51:49,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 17:51:49,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 17:51:49,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-29 17:51:49,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 17:51:49,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-29 17:51:49,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 17:51:49,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 17:51:49,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 17:51:49,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 17:51:49,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-29 17:51:49,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 17:51:49,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 17:51:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 17:51:49,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 17:51:49,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 17:51:49,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 17:51:49,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 17:51:49,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 17:51:49,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 17:51:49,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 17:51:49,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 17:51:49,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 17:51:49,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 17:51:49,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 17:51:49,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 17:51:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 17:51:49,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 17:51:50,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 17:51:50,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 17:51:50,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 17:51:50,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-29 17:51:50,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 17:51:50,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 17:51:50,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 17:51:50,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 17:51:50,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 17:51:50,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 17:51:50,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 17:51:50,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 17:51:50,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 17:51:50,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 17:51:50,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 17:51:50,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 17:51:50,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 17:51:50,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 17:51:50,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 17:51:50,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 17:51:50,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 17:51:50,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 17:51:50,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 17:51:50,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 17:51:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 17:51:50,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 17:51:50,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 17:51:50,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 17:51:50,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 17:51:50,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 17:51:50,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 17:51:50,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 17:51:50,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 17:51:50,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 17:51:50,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 17:51:50,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 17:51:50,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 17:51:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 17:51:50,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 17:51:50,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 17:51:50,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 17:51:50,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 17:51:50,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 17:51:50,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 17:51:50,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 17:51:50,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 17:51:50,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 17:51:50,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-29 17:51:50,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 17:51:50,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 17:51:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 17:51:50,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 17:51:50,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 17:51:50,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 17:51:50,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 17:51:50,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 17:51:50,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 17:51:50,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 17:51:50,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 17:51:50,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 17:51:50,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 17:51:50,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 17:51:50,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 17:51:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 17:51:50,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 17:51:50,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 17:51:50,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 17:51:50,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 17:51:50,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 17:51:50,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 17:51:50,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 17:51:50,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 17:51:50,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 17:51:50,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 17:51:50,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 17:51:50,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 17:51:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 17:51:50,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 17:51:50,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 17:51:50,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 17:51:50,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 17:51:50,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 17:51:50,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 17:51:50,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 17:51:50,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 17:51:50,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 17:51:50,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 17:51:50,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 17:51:50,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 17:51:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 17:51:50,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 17:51:50,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 17:51:50,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 17:51:50,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 17:51:50,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 17:51:50,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 17:51:50,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 17:51:50,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 17:51:50,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 17:51:50,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 17:51:50,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 17:51:50,251 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-29 17:51:50,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [712772347] [2020-10-29 17:51:50,254 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 17:51:50,254 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 17:51:50,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224545622] [2020-10-29 17:51:50,263 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 17:51:50,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 17:51:50,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 17:51:50,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-29 17:51:50,280 INFO L87 Difference]: Start difference. First operand 1862 states. Second operand 8 states. [2020-10-29 17:51:54,389 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 345 [2020-10-29 17:51:58,063 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 348 [2020-10-29 17:51:59,744 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 350 [2020-10-29 17:53:57,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 17:53:57,228 INFO L93 Difference]: Finished difference Result 6431 states and 8691 transitions. [2020-10-29 17:53:57,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 17:53:57,230 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 81 [2020-10-29 17:53:57,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 17:53:57,298 INFO L225 Difference]: With dead ends: 6431 [2020-10-29 17:53:57,298 INFO L226 Difference]: Without dead ends: 4646 [2020-10-29 17:53:57,317 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-29 17:53:57,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4646 states. [2020-10-29 17:53:58,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4646 to 4059. [2020-10-29 17:53:58,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4059 states. [2020-10-29 17:53:58,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4059 states to 4059 states and 5321 transitions. [2020-10-29 17:53:58,288 INFO L78 Accepts]: Start accepts. Automaton has 4059 states and 5321 transitions. Word has length 81 [2020-10-29 17:53:58,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 17:53:58,289 INFO L481 AbstractCegarLoop]: Abstraction has 4059 states and 5321 transitions. [2020-10-29 17:53:58,289 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 17:53:58,289 INFO L276 IsEmpty]: Start isEmpty. Operand 4059 states and 5321 transitions. [2020-10-29 17:53:58,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-29 17:53:58,294 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 17:53:58,294 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 17:53:58,295 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 17:53:58,295 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 17:53:58,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 17:53:58,295 INFO L82 PathProgramCache]: Analyzing trace with hash 1377077179, now seen corresponding path program 1 times [2020-10-29 17:53:58,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 17:53:58,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1801338663] [2020-10-29 17:53:58,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 17:53:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 17:53:58,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 17:54:03,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 17:54:03,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-29 17:54:03,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 17:54:03,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5359 [2020-10-29 17:54:03,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 17:54:03,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 17:54:03,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-29 17:54:03,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 17:54:03,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-29 17:54:03,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 17:54:05,502 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 343 [2020-10-29 17:54:05,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 17:54:05,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 17:54:05,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 17:54:06,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 17:54:06,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 17:54:06,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 17:54:06,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 883 [2020-10-29 17:54:06,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 17:54:06,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 17:54:06,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 17:54:06,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 17:54:06,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 17:54:06,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 17:54:06,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-29 17:54:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 17:54:06,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 17:54:06,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 17:54:06,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 17:54:06,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 17:54:06,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 17:54:06,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 17:54:06,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 17:54:06,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 17:54:06,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 17:54:06,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 17:54:06,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 17:54:06,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 17:54:06,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 17:54:06,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 17:54:06,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 17:54:06,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-29 17:54:06,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 17:54:06,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-29 17:54:06,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 17:54:06,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 17:54:06,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 17:54:06,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 17:54:06,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-29 17:54:06,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 17:54:06,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 17:54:06,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 17:54:06,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 17:54:07,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 17:54:07,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 17:54:07,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 17:54:07,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-29 17:54:07,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 17:54:07,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 17:54:07,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 17:54:07,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 17:54:07,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-29 17:54:07,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 17:54:07,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 17:54:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 17:54:07,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 17:54:07,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 17:54:07,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-29 17:54:07,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 17:54:07,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-29 17:54:07,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 17:54:07,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 17:54:07,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 17:54:07,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 17:54:07,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-29 17:54:07,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 17:54:07,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 17:54:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 17:54:07,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 17:54:07,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 17:54:07,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 17:54:07,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 17:54:07,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 17:54:07,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 17:54:07,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 17:54:07,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 17:54:07,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 17:54:07,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 17:54:07,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 17:54:07,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 17:54:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 17:54:07,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 17:54:07,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 17:54:07,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 17:54:07,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 17:54:07,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-29 17:54:07,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 17:54:07,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 17:54:07,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 17:54:07,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 17:54:07,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-29 17:54:07,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 17:54:07,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 17:54:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 17:54:07,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 17:54:07,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 17:54:07,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 17:54:07,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 17:54:07,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-29 17:54:07,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 17:54:07,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 17:54:07,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 17:54:07,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 17:54:07,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 17:54:07,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 17:54:07,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 17:54:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 17:54:07,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 17:54:07,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 17:54:07,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 17:54:07,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 17:54:07,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 17:54:07,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 17:54:07,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 17:54:07,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 17:54:07,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 17:54:07,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 17:54:07,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 17:54:07,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 17:54:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 17:54:07,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 17:54:07,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 17:54:07,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 17:54:07,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 17:54:07,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 17:54:07,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 17:54:07,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 17:54:07,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 17:54:07,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 17:54:07,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-29 17:54:07,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 17:54:07,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 17:54:07,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 17:54:07,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 17:54:07,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 17:54:07,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 17:54:07,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 17:54:07,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 17:54:07,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 17:54:07,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 17:54:07,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 17:54:07,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 17:54:07,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 17:54:07,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 17:54:07,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 17:54:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 17:54:07,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 17:54:07,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 17:54:07,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 17:54:07,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 17:54:07,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 17:54:07,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 17:54:07,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 17:54:07,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 17:54:07,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 17:54:07,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 17:54:07,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 17:54:07,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 17:54:07,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 17:54:07,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 17:54:07,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 17:54:07,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 17:54:07,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 17:54:07,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 17:54:07,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 17:54:07,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 17:54:07,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 17:54:07,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 17:54:07,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 17:54:07,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 17:54:07,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 17:54:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 17:54:07,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 17:54:07,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 17:54:07,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 17:54:07,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 17:54:07,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 17:54:07,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 17:54:07,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 17:54:07,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 17:54:07,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 17:54:07,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 17:54:07,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 17:54:07,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 17:54:07,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 17:54:07,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 17:54:07,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 17:54:07,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 17:54:07,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 17:54:07,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 17:54:07,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 17:54:07,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 17:54:07,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 17:54:07,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 17:54:07,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 17:54:07,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 17:54:07,502 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-29 17:54:07,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1801338663] [2020-10-29 17:54:07,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 17:54:07,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 17:54:07,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043802921] [2020-10-29 17:54:07,504 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 17:54:07,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 17:54:07,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 17:54:07,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-29 17:54:07,506 INFO L87 Difference]: Start difference. First operand 4059 states and 5321 transitions. Second operand 8 states. [2020-10-29 17:54:11,562 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 345 [2020-10-29 17:54:15,068 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 348 [2020-10-29 17:54:16,708 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 350