/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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 [2020-10-28 23:04:49,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 23:04:49,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 23:04:49,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 23:04:49,971 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 23:04:49,978 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 23:04:49,980 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 23:04:49,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 23:04:49,988 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 23:04:49,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 23:04:49,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 23:04:49,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 23:04:49,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 23:04:50,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 23:04:50,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 23:04:50,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 23:04:50,009 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 23:04:50,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 23:04:50,019 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 23:04:50,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 23:04:50,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 23:04:50,041 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 23:04:50,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 23:04:50,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 23:04:50,062 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 23:04:50,063 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 23:04:50,063 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 23:04:50,064 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 23:04:50,065 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 23:04:50,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 23:04:50,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 23:04:50,070 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 23:04:50,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 23:04:50,075 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 23:04:50,076 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 23:04:50,076 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 23:04:50,077 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 23:04:50,077 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 23:04:50,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 23:04:50,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 23:04:50,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 23:04:50,082 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 [2020-10-28 23:04:50,108 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 23:04:50,108 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 23:04:50,110 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 23:04:50,110 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 23:04:50,110 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 23:04:50,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 23:04:50,111 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 23:04:50,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 23:04:50,111 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 23:04:50,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 23:04:50,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 23:04:50,112 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 23:04:50,112 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 23:04:50,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 23:04:50,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 23:04:50,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 23:04:50,113 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 23:04:50,113 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 23:04:50,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 23:04:50,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 23:04:50,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 23:04:50,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 23:04:50,114 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 23:04:50,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 23:04:50,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 23:04:50,114 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 23:04:50,115 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 23:04:50,115 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 23:04:50,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 23:04:50,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 23:04:50,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 23:04:50,580 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 23:04:50,581 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 23:04:50,582 INFO L432 ainManager$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 [2020-10-28 23:04:50,666 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/547934cf5/ccdfc8ad46614e1ea8f5e295141b00c0/FLAG52fcd5689 [2020-10-28 23:04:51,803 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 23:04:51,804 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 [2020-10-28 23:04:51,845 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/547934cf5/ccdfc8ad46614e1ea8f5e295141b00c0/FLAG52fcd5689 [2020-10-28 23:04:52,170 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/547934cf5/ccdfc8ad46614e1ea8f5e295141b00c0 [2020-10-28 23:04:52,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 23:04:52,179 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 23:04:52,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 23:04:52,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 23:04:52,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 23:04:52,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:04:52" (1/1) ... [2020-10-28 23:04:52,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d06f07c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:52, skipping insertion in model container [2020-10-28 23:04:52,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:04:52" (1/1) ... [2020-10-28 23:04:52,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 23:04:52,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 23:04:54,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 23:04:54,909 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 23:04:55,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 23:04:56,056 INFO L208 MainTranslator]: Completed translation [2020-10-28 23:04:56,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:56 WrapperNode [2020-10-28 23:04:56,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 23:04:56,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 23:04:56,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 23:04:56,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 23:04:56,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:56" (1/1) ... [2020-10-28 23:04:56,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:56" (1/1) ... [2020-10-28 23:04:56,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:56" (1/1) ... [2020-10-28 23:04:56,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:56" (1/1) ... [2020-10-28 23:04:56,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:56" (1/1) ... [2020-10-28 23:04:56,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:56" (1/1) ... [2020-10-28 23:04:56,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:56" (1/1) ... [2020-10-28 23:04:56,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 23:04:56,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 23:04:56,420 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 23:04:56,420 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 23:04:56,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:56" (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 [2020-10-28 23:04:56,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 23:04:56,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 23:04:56,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-10-28 23:04:56,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2020-10-28 23:04:56,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2020-10-28 23:04:56,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-10-28 23:04:56,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-28 23:04:56,503 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-28 23:04:56,503 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-28 23:04:56,503 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-28 23:04:56,503 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-28 23:04:56,503 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-28 23:04:56,504 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-28 23:04:56,504 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-10-28 23:04:56,504 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-10-28 23:04:56,504 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2020-10-28 23:04:56,504 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2020-10-28 23:04:56,504 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2020-10-28 23:04:56,505 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2020-10-28 23:04:56,505 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2020-10-28 23:04:56,505 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2020-10-28 23:04:56,505 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2020-10-28 23:04:56,505 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2020-10-28 23:04:56,505 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2020-10-28 23:04:56,505 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2020-10-28 23:04:56,506 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-28 23:04:56,506 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2020-10-28 23:04:56,506 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2020-10-28 23:04:56,506 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2020-10-28 23:04:56,506 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2020-10-28 23:04:56,506 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2020-10-28 23:04:56,507 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2020-10-28 23:04:56,507 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dropped_invalid_skb [2020-10-28 23:04:56,507 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2020-10-28 23:04:56,507 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_set_drvdata [2020-10-28 23:04:56,507 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_get_drvdata [2020-10-28 23:04:56,507 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_unregister_driver [2020-10-28 23:04:56,507 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2020-10-28 23:04:56,508 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2020-10-28 23:04:56,508 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_write [2020-10-28 23:04:56,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __of_match_device [2020-10-28 23:04:56,508 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_is_2510 [2020-10-28 23:04:56,508 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_clean [2020-10-28 23:04:56,508 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_spi_trans [2020-10-28 23:04:56,508 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_read_reg [2020-10-28 23:04:56,509 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_read_2regs [2020-10-28 23:04:56,509 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_write_reg [2020-10-28 23:04:56,509 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_write_bits [2020-10-28 23:04:56,509 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_tx_frame [2020-10-28 23:04:56,509 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_tx [2020-10-28 23:04:56,509 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_rx_frame [2020-10-28 23:04:56,509 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_rx [2020-10-28 23:04:56,509 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_sleep [2020-10-28 23:04:56,510 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hard_start_xmit [2020-10-28 23:04:56,510 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_do_set_mode [2020-10-28 23:04:56,510 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_set_normal_mode [2020-10-28 23:04:56,510 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_do_set_bittiming [2020-10-28 23:04:56,510 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_setup [2020-10-28 23:04:56,510 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_reset [2020-10-28 23:04:56,510 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_hw_probe [2020-10-28 23:04:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_power_enable [2020-10-28 23:04:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_open_clean [2020-10-28 23:04:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_stop [2020-10-28 23:04:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_error_skb [2020-10-28 23:04:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_tx_work_handler [2020-10-28 23:04:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_restart_work_handler [2020-10-28 23:04:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_ist [2020-10-28 23:04:56,512 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_open [2020-10-28 23:04:56,512 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_probe [2020-10-28 23:04:56,512 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_remove [2020-10-28 23:04:56,512 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_suspend [2020-10-28 23:04:56,512 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_resume [2020-10-28 23:04:56,512 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_driver_init [2020-10-28 23:04:56,512 INFO L138 BoogieDeclarations]: Found implementation of procedure mcp251x_can_driver_exit [2020-10-28 23:04:56,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_mcp251x_can_driver_exit_12_2 [2020-10-28 23:04:56,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_mcp251x_can_driver_init_12_11 [2020-10-28 23:04:56,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_driver_io_instance_0 [2020-10-28 23:04:56,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_10_1 [2020-10-28 23:04:56,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_8_1 [2020-10-28 23:04:56,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_platform_instance_11_12_4 [2020-10-28 23:04:56,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_rtc_class_instance_12_12_5 [2020-10-28 23:04:56,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_deregister_6_1 [2020-10-28 23:04:56,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_7_2 [2020-10-28 23:04:56,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_pm_deregister_4_5 [2020-10-28 23:04:56,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_pm_register_4_6 [2020-10-28 23:04:56,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_11_2 [2020-10-28 23:04:56,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_9_2 [2020-10-28 23:04:56,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_platform_instance_11_12_6 [2020-10-28 23:04:56,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_rtc_class_instance_12_12_7 [2020-10-28 23:04:56,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_3 [2020-10-28 23:04:56,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_7 [2020-10-28 23:04:56,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_2_8 [2020-10-28 23:04:56,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_12 [2020-10-28 23:04:56,515 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 23:04:56,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2020-10-28 23:04:56,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_1_5 [2020-10-28 23:04:56,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_thread_1_3 [2020-10-28 23:04:56,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2020-10-28 23:04:56,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_io_instance_probe_0_11 [2020-10-28 23:04:56,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_io_instance_release_0_2 [2020-10-28 23:04:56,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_2 [2020-10-28 23:04:56,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_instance_probe_4_14 [2020-10-28 23:04:56,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_instance_release_4_3 [2020-10-28 23:04:56,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_complete_3_3 [2020-10-28 23:04:56,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_freeze_3_15 [2020-10-28 23:04:56,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_freeze_late_3_14 [2020-10-28 23:04:56,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_freeze_noirq_3_12 [2020-10-28 23:04:56,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_poweroff_3_9 [2020-10-28 23:04:56,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_poweroff_late_3_8 [2020-10-28 23:04:56,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_poweroff_noirq_3_6 [2020-10-28 23:04:56,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_prepare_3_22 [2020-10-28 23:04:56,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_restore_3_4 [2020-10-28 23:04:56,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_restore_early_3_7 [2020-10-28 23:04:56,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_restore_noirq_3_5 [2020-10-28 23:04:56,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_resume_3_16 [2020-10-28 23:04:56,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_resume_early_3_17 [2020-10-28 23:04:56,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_resume_noirq_3_19 [2020-10-28 23:04:56,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_runtime_idle_3_27 [2020-10-28 23:04:56,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_runtime_resume_3_24 [2020-10-28 23:04:56,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_runtime_suspend_3_25 [2020-10-28 23:04:56,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_suspend_3_21 [2020-10-28 23:04:56,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_suspend_late_3_18 [2020-10-28 23:04:56,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_suspend_noirq_3_20 [2020-10-28 23:04:56,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_thaw_3_10 [2020-10-28 23:04:56,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_thaw_early_3_13 [2020-10-28 23:04:56,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_instance_thaw_noirq_3_11 [2020-10-28 23:04:56,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_platform_instance_4 [2020-10-28 23:04:56,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_pm_ops_instance_3 [2020-10-28 23:04:56,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_candev [2020-10-28 23:04:56,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_threaded_irq [2020-10-28 23:04:56,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rtc_class_instance_callback_5_15 [2020-10-28 23:04:56,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rtc_class_instance_callback_5_16 [2020-10-28 23:04:56,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rtc_class_instance_callback_5_17 [2020-10-28 23:04:56,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rtc_class_instance_callback_5_18 [2020-10-28 23:04:56,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rtc_class_instance_callback_5_19 [2020-10-28 23:04:56,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rtc_class_instance_callback_5_4 [2020-10-28 23:04:56,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rtc_class_instance_probe_5_10 [2020-10-28 23:04:56,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rtc_class_instance_release_5_2 [2020-10-28 23:04:56,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rtc_rtc_class_instance_5 [2020-10-28 23:04:56,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_register_driver [2020-10-28 23:04:56,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_unregister_driver [2020-10-28 23:04:56,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_candev [2020-10-28 23:04:56,522 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-28 23:04:56,522 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-28 23:04:56,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata_9 [2020-10-28 23:04:56,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_10 [2020-10-28 23:04:56,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_15 [2020-10-28 23:04:56,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_16 [2020-10-28 23:04:56,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_threaded_irq_17 [2020-10-28 23:04:56,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_18 [2020-10-28 23:04:56,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_candev_19 [2020-10-28 23:04:56,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_20 [2020-10-28 23:04:56,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_candev_21 [2020-10-28 23:04:56,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_22 [2020-10-28 23:04:56,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_register_driver_23 [2020-10-28 23:04:56,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_unregister_driver_24 [2020-10-28 23:04:56,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-10-28 23:04:56,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-10-28 23:04:56,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2020-10-28 23:04:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-28 23:04:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-28 23:04:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-28 23:04:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-28 23:04:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2020-10-28 23:04:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2020-10-28 23:04:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2020-10-28 23:04:56,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2020-10-28 23:04:56,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2020-10-28 23:04:56,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2020-10-28 23:04:56,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-28 23:04:56,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 23:04:56,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-28 23:04:56,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 23:04:56,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2020-10-28 23:04:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-28 23:04:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2020-10-28 23:04:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2020-10-28 23:04:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2020-10-28 23:04:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-28 23:04:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-28 23:04:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2020-10-28 23:04:56,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2020-10-28 23:04:56,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2020-10-28 23:04:56,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2020-10-28 23:04:56,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2020-10-28 23:04:56,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2020-10-28 23:04:56,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_clk [2020-10-28 23:04:56,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_enable_clk [2020-10-28 23:04:56,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_clk_of_mcp251x_priv [2020-10-28 23:04:56,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_enable_clk_of_mcp251x_priv [2020-10-28 23:04:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 23:04:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 23:04:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2020-10-28 23:04:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2020-10-28 23:04:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-28 23:04:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-10-28 23:04:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2020-10-28 23:04:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-28 23:04:56,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-28 23:04:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2020-10-28 23:04:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-28 23:04:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_err_skb [2020-10-28 23:04:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_skb [2020-10-28 23:04:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_candev [2020-10-28 23:04:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure can_bus_off [2020-10-28 23:04:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure can_free_echo_skb [2020-10-28 23:04:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_echo_skb [2020-10-28 23:04:56,530 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_event [2020-10-28 23:04:56,531 INFO L138 BoogieDeclarations]: Found implementation of procedure can_put_echo_skb [2020-10-28 23:04:56,531 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2020-10-28 23:04:56,531 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2020-10-28 23:04:56,531 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2020-10-28 23:04:56,531 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2020-10-28 23:04:56,531 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2020-10-28 23:04:56,531 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2020-10-28 23:04:56,532 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-28 23:04:56,532 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2020-10-28 23:04:56,532 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_can_led_init [2020-10-28 23:04:56,532 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2020-10-28 23:04:56,532 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2020-10-28 23:04:56,532 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_regulator_get [2020-10-28 23:04:56,532 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2020-10-28 23:04:56,532 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2020-10-28 23:04:56,533 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2020-10-28 23:04:56,533 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2020-10-28 23:04:56,533 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-10-28 23:04:56,533 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2020-10-28 23:04:56,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2020-10-28 23:04:56,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2020-10-28 23:04:56,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-10-28 23:04:56,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 23:04:56,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2020-10-28 23:04:56,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2020-10-28 23:04:56,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2020-10-28 23:04:56,534 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2020-10-28 23:04:56,534 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-28 23:04:56,534 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-28 23:04:56,534 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2020-10-28 23:04:56,534 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2020-10-28 23:04:56,534 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2020-10-28 23:04:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx_ni [2020-10-28 23:04:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2020-10-28 23:04:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure open_candev [2020-10-28 23:04:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-28 23:04:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2020-10-28 23:04:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure register_candev [2020-10-28 23:04:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_disable [2020-10-28 23:04:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_enable [2020-10-28 23:04:56,535 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2020-10-28 23:04:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-10-28 23:04:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_get_device_id [2020-10-28 23:04:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_register_driver [2020-10-28 23:04:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_setup [2020-10-28 23:04:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2020-10-28 23:04:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_candev [2020-10-28 23:04:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-28 23:04:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 23:04:56,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-28 23:04:56,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-28 23:04:56,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-28 23:04:56,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 23:04:56,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-10-28 23:04:56,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-10-28 23:04:56,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-28 23:04:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-28 23:04:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_clk [2020-10-28 23:04:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_enable_clk [2020-10-28 23:04:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_clk_of_mcp251x_priv [2020-10-28 23:04:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 23:04:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2020-10-28 23:04:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2020-10-28 23:04:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2020-10-28 23:04:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2020-10-28 23:04:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 23:04:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2020-10-28 23:04:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2020-10-28 23:04:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2020-10-28 23:04:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-28 23:04:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-28 23:04:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2020-10-28 23:04:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2020-10-28 23:04:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-28 23:04:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 23:04:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-28 23:04:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-28 23:04:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 23:04:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-28 23:04:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-28 23:04:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-28 23:04:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-28 23:04:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 23:04:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-28 23:04:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-10-28 23:04:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-28 23:04:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-28 23:04:56,541 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-28 23:04:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-28 23:04:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-28 23:04:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-10-28 23:04:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-10-28 23:04:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2020-10-28 23:04:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-28 23:04:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-28 23:04:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-28 23:04:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2020-10-28 23:04:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2020-10-28 23:04:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2020-10-28 23:04:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2020-10-28 23:04:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2020-10-28 23:04:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2020-10-28 23:04:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2020-10-28 23:04:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2020-10-28 23:04:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_10 [2020-10-28 23:04:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata_9 [2020-10-28 23:04:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2020-10-28 23:04:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-28 23:04:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2020-10-28 23:04:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-28 23:04:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-28 23:04:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-10-28 23:04:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2020-10-28 23:04:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2020-10-28 23:04:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2020-10-28 23:04:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2020-10-28 23:04:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2020-10-28 23:04:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2020-10-28 23:04:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2020-10-28 23:04:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-10-28 23:04:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2020-10-28 23:04:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 23:04:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2020-10-28 23:04:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2020-10-28 23:04:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2020-10-28 23:04:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2020-10-28 23:04:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-28 23:04:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2020-10-28 23:04:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2020-10-28 23:04:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2020-10-28 23:04:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2020-10-28 23:04:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2020-10-28 23:04:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2020-10-28 23:04:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2020-10-28 23:04:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2020-10-28 23:04:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx_ni [2020-10-28 23:04:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2020-10-28 23:04:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2020-10-28 23:04:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2020-10-28 23:04:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2020-10-28 23:04:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_threaded_irq_17 [2020-10-28 23:04:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-10-28 23:04:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_15 [2020-10-28 23:04:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_16 [2020-10-28 23:04:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2020-10-28 23:04:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2020-10-28 23:04:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_event [2020-10-28 23:04:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure devm_can_led_init [2020-10-28 23:04:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure can_dropped_invalid_skb [2020-10-28 23:04:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 23:04:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_candev [2020-10-28 23:04:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2020-10-28 23:04:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure open_candev [2020-10-28 23:04:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2020-10-28 23:04:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure register_candev [2020-10-28 23:04:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_candev_19 [2020-10-28 23:04:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_candev [2020-10-28 23:04:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_candev_21 [2020-10-28 23:04:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure can_bus_off [2020-10-28 23:04:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure can_put_echo_skb [2020-10-28 23:04:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_echo_skb [2020-10-28 23:04:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure can_free_echo_skb [2020-10-28 23:04:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_skb [2020-10-28 23:04:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_err_skb [2020-10-28 23:04:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2020-10-28 23:04:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure spi_set_drvdata [2020-10-28 23:04:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure spi_get_drvdata [2020-10-28 23:04:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure spi_register_driver [2020-10-28 23:04:56,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_register_driver_23 [2020-10-28 23:04:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure spi_unregister_driver [2020-10-28 23:04:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_unregister_driver_24 [2020-10-28 23:04:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2020-10-28 23:04:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-28 23:04:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2020-10-28 23:04:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure spi_setup [2020-10-28 23:04:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2020-10-28 23:04:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure spi_write [2020-10-28 23:04:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 23:04:56,551 INFO L130 BoogieDeclarations]: Found specification of procedure spi_get_device_id [2020-10-28 23:04:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2020-10-28 23:04:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2020-10-28 23:04:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_18 [2020-10-28 23:04:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_20 [2020-10-28 23:04:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_22 [2020-10-28 23:04:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure __of_match_device [2020-10-28 23:04:56,552 INFO L130 BoogieDeclarations]: Found specification of procedure devm_regulator_get [2020-10-28 23:04:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_enable [2020-10-28 23:04:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_disable [2020-10-28 23:04:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_is_2510 [2020-10-28 23:04:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_clean [2020-10-28 23:04:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_spi_trans [2020-10-28 23:04:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_read_reg [2020-10-28 23:04:56,553 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_read_2regs [2020-10-28 23:04:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_write_reg [2020-10-28 23:04:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_write_bits [2020-10-28 23:04:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_tx_frame [2020-10-28 23:04:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-28 23:04:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_tx [2020-10-28 23:04:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_rx_frame [2020-10-28 23:04:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_rx [2020-10-28 23:04:56,554 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_sleep [2020-10-28 23:04:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hard_start_xmit [2020-10-28 23:04:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_do_set_mode [2020-10-28 23:04:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_set_normal_mode [2020-10-28 23:04:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_do_set_bittiming [2020-10-28 23:04:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_setup [2020-10-28 23:04:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_reset [2020-10-28 23:04:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_hw_probe [2020-10-28 23:04:56,555 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_power_enable [2020-10-28 23:04:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_open_clean [2020-10-28 23:04:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_stop [2020-10-28 23:04:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_error_skb [2020-10-28 23:04:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_tx_work_handler [2020-10-28 23:04:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_restart_work_handler [2020-10-28 23:04:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_ist [2020-10-28 23:04:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_open [2020-10-28 23:04:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_probe [2020-10-28 23:04:56,556 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_remove [2020-10-28 23:04:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_suspend [2020-10-28 23:04:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_resume [2020-10-28 23:04:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_driver_init [2020-10-28 23:04:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure mcp251x_can_driver_exit [2020-10-28 23:04:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_mcp251x_can_driver_exit_12_2 [2020-10-28 23:04:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_mcp251x_can_driver_init_12_11 [2020-10-28 23:04:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_driver_io_instance_0 [2020-10-28 23:04:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_10_1 [2020-10-28 23:04:56,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_8_1 [2020-10-28 23:04:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_platform_instance_11_12_4 [2020-10-28 23:04:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_rtc_class_instance_12_12_5 [2020-10-28 23:04:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_deregister_6_1 [2020-10-28 23:04:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_7_2 [2020-10-28 23:04:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_pm_deregister_4_5 [2020-10-28 23:04:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_pm_register_4_6 [2020-10-28 23:04:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_11_2 [2020-10-28 23:04:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_9_2 [2020-10-28 23:04:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_platform_instance_11_12_6 [2020-10-28 23:04:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_rtc_class_instance_12_12_7 [2020-10-28 23:04:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_3 [2020-10-28 23:04:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_7 [2020-10-28 23:04:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_2_8 [2020-10-28 23:04:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_12 [2020-10-28 23:04:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 23:04:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2020-10-28 23:04:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_1_5 [2020-10-28 23:04:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_thread_1_3 [2020-10-28 23:04:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2020-10-28 23:04:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_io_instance_probe_0_11 [2020-10-28 23:04:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_io_instance_release_0_2 [2020-10-28 23:04:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_2 [2020-10-28 23:04:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_instance_probe_4_14 [2020-10-28 23:04:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_instance_release_4_3 [2020-10-28 23:04:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_complete_3_3 [2020-10-28 23:04:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_freeze_3_15 [2020-10-28 23:04:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_freeze_late_3_14 [2020-10-28 23:04:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_freeze_noirq_3_12 [2020-10-28 23:04:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_poweroff_3_9 [2020-10-28 23:04:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_poweroff_late_3_8 [2020-10-28 23:04:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_poweroff_noirq_3_6 [2020-10-28 23:04:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_prepare_3_22 [2020-10-28 23:04:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_restore_3_4 [2020-10-28 23:04:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_restore_early_3_7 [2020-10-28 23:04:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_restore_noirq_3_5 [2020-10-28 23:04:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_resume_3_16 [2020-10-28 23:04:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_resume_early_3_17 [2020-10-28 23:04:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_resume_noirq_3_19 [2020-10-28 23:04:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_runtime_idle_3_27 [2020-10-28 23:04:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_runtime_resume_3_24 [2020-10-28 23:04:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_runtime_suspend_3_25 [2020-10-28 23:04:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_suspend_3_21 [2020-10-28 23:04:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_suspend_late_3_18 [2020-10-28 23:04:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_suspend_noirq_3_20 [2020-10-28 23:04:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_thaw_3_10 [2020-10-28 23:04:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_thaw_early_3_13 [2020-10-28 23:04:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_instance_thaw_noirq_3_11 [2020-10-28 23:04:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_platform_instance_4 [2020-10-28 23:04:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_pm_ops_instance_3 [2020-10-28 23:04:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_candev [2020-10-28 23:04:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_threaded_irq [2020-10-28 23:04:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rtc_class_instance_callback_5_15 [2020-10-28 23:04:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rtc_class_instance_callback_5_16 [2020-10-28 23:04:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rtc_class_instance_callback_5_17 [2020-10-28 23:04:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rtc_class_instance_callback_5_18 [2020-10-28 23:04:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rtc_class_instance_callback_5_19 [2020-10-28 23:04:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rtc_class_instance_callback_5_4 [2020-10-28 23:04:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rtc_class_instance_probe_5_10 [2020-10-28 23:04:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rtc_class_instance_release_5_2 [2020-10-28 23:04:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rtc_rtc_class_instance_5 [2020-10-28 23:04:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_register_driver [2020-10-28 23:04:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_unregister_driver [2020-10-28 23:04:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_candev [2020-10-28 23:04:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2020-10-28 23:04:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-10-28 23:04:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-28 23:04:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2020-10-28 23:04:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 23:04:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2020-10-28 23:04:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-28 23:04:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-28 23:04:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2020-10-28 23:04:56,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-10-28 23:04:56,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2020-10-28 23:04:56,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2020-10-28 23:04:56,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2020-10-28 23:04:56,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-28 23:04:56,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 23:04:56,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2020-10-28 23:04:56,566 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 23:04:56,566 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 23:04:56,566 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 23:04:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 23:04:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-28 23:04:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-28 23:04:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2020-10-28 23:04:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2020-10-28 23:04:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 23:04:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 23:04:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2020-10-28 23:04:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2020-10-28 23:04:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2020-10-28 23:04:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2020-10-28 23:04:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2020-10-28 23:04:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_enable_clk_of_mcp251x_priv [2020-10-28 23:04:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 23:04:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 23:04:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 23:04:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 23:04:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 23:04:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-28 23:04:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-28 23:04:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 23:04:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 23:04:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 23:04:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 23:04:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 23:04:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 23:04:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 23:04:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-28 23:04:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-28 23:04:57,634 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-28 23:05:52,376 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 23:05:52,376 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 23:05:52,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:05:52 BoogieIcfgContainer [2020-10-28 23:05:52,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 23:05:52,385 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 23:05:52,385 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 23:05:52,389 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 23:05:52,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:04:52" (1/3) ... [2020-10-28 23:05:52,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eb2910c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:05:52, skipping insertion in model container [2020-10-28 23:05:52,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:04:56" (2/3) ... [2020-10-28 23:05:52,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eb2910c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:05:52, skipping insertion in model container [2020-10-28 23:05:52,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:05:52" (3/3) ... [2020-10-28 23:05:52,393 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-drivers-clk1_drivers-net-can-mcp251x.cil.i [2020-10-28 23:05:52,405 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 23:05:52,413 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 23:05:52,427 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 23:05:52,471 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 23:05:52,472 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 23:05:52,472 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 23:05:52,472 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 23:05:52,472 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 23:05:52,472 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 23:05:52,472 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 23:05:52,472 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 23:05:52,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1862 states. [2020-10-28 23:05:52,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-28 23:05:52,589 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:05:52,590 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] [2020-10-28 23:05:52,590 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:05:52,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:05:52,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1894262266, now seen corresponding path program 1 times [2020-10-28 23:05:52,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:05:52,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [532957966] [2020-10-28 23:05:52,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:05:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:05:53,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:05:59,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:05:59,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-28 23:05:59,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:05:59,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6193 [2020-10-28 23:05:59,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:05:59,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:05:59,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-28 23:05:59,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:05:59,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-28 23:05:59,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 23:06:00,438 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2020-10-28 23:06:00,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:06:00,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:06:00,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:06:01,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:06:01,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:06:01,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:06:01,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 936 [2020-10-28 23:06:01,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:06:01,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:06:01,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:06:01,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:06:01,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 23:06:01,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:06:01,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 23:06:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:06:01,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:06:01,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:06:01,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 23:06:01,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:06:01,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 23:06:01,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:06:01,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:06:01,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:06:01,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:06:01,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 23:06:01,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:06:01,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 23:06:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:06:01,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:06:02,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:06:02,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 23:06:02,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:06:02,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 257 [2020-10-28 23:06:02,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:06:02,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:06:02,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 23:06:02,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 23:06:02,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-28 23:06:02,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:06:02,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:06:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:06:02,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:06:02,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:06:02,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 23:06:02,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:06:02,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-10-28 23:06:02,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:06:02,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:06:02,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 23:06:02,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 23:06:02,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-28 23:06:02,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:06:02,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:06:02,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:06:02,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:06:02,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:06:02,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-28 23:06:02,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:06:02,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-28 23:06:02,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:06:02,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:06:02,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 23:06:02,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 23:06:02,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-28 23:06:02,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:06:02,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:06:02,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:06:02,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:06:02,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:06:02,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:06:02,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:06:02,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 23:06:02,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:06:02,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:06:02,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:06:02,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:06:02,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 23:06:02,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:06:02,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:06:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:06:02,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:06:02,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:06:02,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 23:06:02,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:06:02,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 23:06:02,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:06:02,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:06:02,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 23:06:02,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 23:06:02,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 23:06:02,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:06:02,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:06:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:06:02,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:06:02,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:06:02,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:06:02,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:06:02,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 23:06:02,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:06:02,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:06:02,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:06:02,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:06:02,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 23:06:02,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:06:02,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:06:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:06:02,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:06:02,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:06:02,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:06:02,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:06:02,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 23:06:02,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:06:02,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:06:02,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:06:02,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:06:02,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 23:06:02,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:06:02,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 23:06:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:06:02,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:06:02,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:06:02,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 23:06:02,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:06:02,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-28 23:06:02,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:06:02,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:06:02,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:06:02,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:06:02,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 23:06:02,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:06:02,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:06:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:06:02,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:06:02,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:06:02,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 23:06:02,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:06:02,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:06:02,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:06:02,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:06:02,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:06:02,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:06:02,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:06:02,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:06:02,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:06:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:06:02,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:06:02,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:06:02,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:06:02,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:06:02,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:06:02,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:06:02,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:06:02,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:06:02,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:06:02,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:06:02,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:06:02,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 23:06:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:06:02,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:06:02,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:06:02,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:06:02,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:06:02,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:06:02,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:06:02,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:06:02,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:06:02,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:06:02,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 23:06:02,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:06:02,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-28 23:06:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:06:02,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:06:02,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:06:02,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:06:02,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:06:02,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 23:06:02,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:06:02,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:06:02,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:06:02,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:06:02,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 23:06:02,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:06:02,766 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-28 23:06:02,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [532957966] [2020-10-28 23:06:02,769 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:06:02,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 23:06:02,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173655702] [2020-10-28 23:06:02,778 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 23:06:02,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:06:02,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 23:06:02,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 23:06:02,794 INFO L87 Difference]: Start difference. First operand 1862 states. Second operand 8 states. [2020-10-28 23:06:06,153 WARN L193 SmtUtils]: Spent 930.00 ms on a formula simplification that was a NOOP. DAG size: 345 [2020-10-28 23:06:08,458 WARN L193 SmtUtils]: Spent 871.00 ms on a formula simplification that was a NOOP. DAG size: 348 [2020-10-28 23:06:09,387 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification that was a NOOP. DAG size: 350 [2020-10-28 23:07:30,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:07:30,438 INFO L93 Difference]: Finished difference Result 6431 states and 8691 transitions. [2020-10-28 23:07:30,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 23:07:30,440 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 81 [2020-10-28 23:07:30,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:07:30,502 INFO L225 Difference]: With dead ends: 6431 [2020-10-28 23:07:30,502 INFO L226 Difference]: Without dead ends: 4646 [2020-10-28 23:07:30,520 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-28 23:07:30,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4646 states. [2020-10-28 23:07:31,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4646 to 4059. [2020-10-28 23:07:31,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4059 states. [2020-10-28 23:07:31,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4059 states to 4059 states and 5321 transitions. [2020-10-28 23:07:31,562 INFO L78 Accepts]: Start accepts. Automaton has 4059 states and 5321 transitions. Word has length 81 [2020-10-28 23:07:31,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:07:31,563 INFO L481 AbstractCegarLoop]: Abstraction has 4059 states and 5321 transitions. [2020-10-28 23:07:31,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 23:07:31,563 INFO L276 IsEmpty]: Start isEmpty. Operand 4059 states and 5321 transitions. [2020-10-28 23:07:31,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-28 23:07:31,568 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:07:31,568 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] [2020-10-28 23:07:31,569 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 23:07:31,569 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:07:31,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:07:31,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1377077179, now seen corresponding path program 1 times [2020-10-28 23:07:31,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:07:31,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [376495916] [2020-10-28 23:07:31,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:07:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:07:31,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:07:37,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:07:37,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-28 23:07:37,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:07:37,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5502 [2020-10-28 23:07:37,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:07:37,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:07:37,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-28 23:07:37,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:07:37,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-28 23:07:37,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:07:38,303 WARN L193 SmtUtils]: Spent 862.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2020-10-28 23:07:38,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:07:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:07:38,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:07:39,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:07:39,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:07:39,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:07:39,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 831 [2020-10-28 23:07:39,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:07:39,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:07:39,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:07:39,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:07:39,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 23:07:39,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:07:39,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 23:07:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:07:39,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:07:39,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:07:39,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 23:07:39,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:07:39,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:07:39,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:07:39,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:07:39,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:07:39,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:07:39,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 23:07:39,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:07:39,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 23:07:39,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:07:39,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:07:39,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:07:39,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 23:07:39,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:07:39,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-28 23:07:39,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:07:39,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:07:39,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 23:07:39,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 23:07:39,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-28 23:07:39,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:07:39,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:07:39,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:07:39,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:07:39,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:07:39,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-28 23:07:39,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:07:39,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-28 23:07:39,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:07:39,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:07:39,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 23:07:39,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 23:07:39,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-28 23:07:39,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:07:39,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:07:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:07:39,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:07:39,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:07:39,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-28 23:07:39,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:07:39,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-28 23:07:39,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:07:39,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:07:39,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 23:07:39,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 23:07:39,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-28 23:07:39,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:07:39,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:07:39,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:07:39,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:07:39,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:07:39,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:07:39,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:07:39,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:07:39,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:07:39,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:07:39,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:07:39,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:07:39,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 23:07:39,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:07:39,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:07:39,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:07:39,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:07:39,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:07:39,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 23:07:39,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:07:39,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-28 23:07:39,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:07:39,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:07:39,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 23:07:39,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 23:07:39,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 23:07:39,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:07:39,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:07:39,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:07:39,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:07:39,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:07:39,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:07:39,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:07:39,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:07:39,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:07:39,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:07:39,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:07:39,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:07:39,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 23:07:39,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:07:39,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 23:07:39,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:07:39,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:07:39,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:07:39,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:07:39,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:07:39,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:07:39,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:07:39,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:07:39,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:07:39,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:07:39,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 23:07:39,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:07:39,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 23:07:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:07:39,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:07:39,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:07:39,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 23:07:39,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:07:39,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 23:07:39,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:07:39,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:07:39,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:07:39,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:07:39,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 23:07:39,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:07:39,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:07:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:07:39,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:07:39,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:07:39,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 23:07:39,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:07:39,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:07:39,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:07:39,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:07:39,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:07:39,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:07:39,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:07:39,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:07:40,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:07:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:07:40,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:07:40,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:07:40,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:07:40,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:07:40,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:07:40,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:07:40,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:07:40,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:07:40,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:07:40,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:07:40,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:07:40,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 23:07:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:07:40,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:07:40,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:07:40,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:07:40,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:07:40,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:07:40,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:07:40,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:07:40,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:07:40,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:07:40,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 23:07:40,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:07:40,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-28 23:07:40,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:07:40,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:07:40,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:07:40,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:07:40,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:07:40,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:07:40,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:07:40,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:07:40,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:07:40,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:07:40,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 23:07:40,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:07:40,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 23:07:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:07:40,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:07:40,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:07:40,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:07:40,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:07:40,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:07:40,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:07:40,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:07:40,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:07:40,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:07:40,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 23:07:40,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:07:40,108 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-28 23:07:40,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [376495916] [2020-10-28 23:07:40,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:07:40,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 23:07:40,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984289261] [2020-10-28 23:07:40,111 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 23:07:40,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:07:40,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 23:07:40,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 23:07:40,112 INFO L87 Difference]: Start difference. First operand 4059 states and 5321 transitions. Second operand 8 states. [2020-10-28 23:07:43,531 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification that was a NOOP. DAG size: 345 [2020-10-28 23:07:45,759 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 348 [2020-10-28 23:07:46,713 WARN L193 SmtUtils]: Spent 926.00 ms on a formula simplification that was a NOOP. DAG size: 350 [2020-10-28 23:08:30,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:08:30,248 INFO L93 Difference]: Finished difference Result 4608 states and 6185 transitions. [2020-10-28 23:08:30,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 23:08:30,249 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 86 [2020-10-28 23:08:30,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:08:30,282 INFO L225 Difference]: With dead ends: 4608 [2020-10-28 23:08:30,282 INFO L226 Difference]: Without dead ends: 4538 [2020-10-28 23:08:30,286 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-28 23:08:30,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4538 states. [2020-10-28 23:08:31,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4538 to 3971. [2020-10-28 23:08:31,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3971 states. [2020-10-28 23:08:31,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3971 states to 3971 states and 5202 transitions. [2020-10-28 23:08:31,214 INFO L78 Accepts]: Start accepts. Automaton has 3971 states and 5202 transitions. Word has length 86 [2020-10-28 23:08:31,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:08:31,215 INFO L481 AbstractCegarLoop]: Abstraction has 3971 states and 5202 transitions. [2020-10-28 23:08:31,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 23:08:31,215 INFO L276 IsEmpty]: Start isEmpty. Operand 3971 states and 5202 transitions. [2020-10-28 23:08:31,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2020-10-28 23:08:31,237 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:08:31,238 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 23:08:31,238 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 23:08:31,238 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:08:31,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:08:31,239 INFO L82 PathProgramCache]: Analyzing trace with hash -1405081457, now seen corresponding path program 1 times [2020-10-28 23:08:31,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:08:31,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1099142475] [2020-10-28 23:08:31,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:08:31,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:08:31,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:08:32,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:08:32,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:08:34,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:08:37,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking...