/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--mfd--sm501.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 16:19:57,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 16:19:57,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 16:19:57,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 16:19:57,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 16:19:57,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 16:19:57,653 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 16:19:57,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 16:19:57,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 16:19:57,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 16:19:57,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 16:19:57,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 16:19:57,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 16:19:57,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 16:19:57,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 16:19:57,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 16:19:57,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 16:19:57,680 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 16:19:57,688 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 16:19:57,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 16:19:57,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 16:19:57,699 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 16:19:57,700 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 16:19:57,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 16:19:57,710 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 16:19:57,710 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 16:19:57,711 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 16:19:57,713 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 16:19:57,714 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 16:19:57,715 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 16:19:57,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 16:19:57,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 16:19:57,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 16:19:57,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 16:19:57,720 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 16:19:57,720 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 16:19:57,721 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 16:19:57,721 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 16:19:57,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 16:19:57,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 16:19:57,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 16:19:57,738 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-29 16:19:57,793 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 16:19:57,793 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 16:19:57,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 16:19:57,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 16:19:57,798 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 16:19:57,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 16:19:57,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 16:19:57,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 16:19:57,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 16:19:57,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 16:19:57,800 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 16:19:57,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 16:19:57,801 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 16:19:57,801 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 16:19:57,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 16:19:57,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 16:19:57,801 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 16:19:57,802 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 16:19:57,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 16:19:57,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 16:19:57,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 16:19:57,803 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 16:19:57,803 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 16:19:57,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 16:19:57,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 16:19:57,803 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 16:19:57,804 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-29 16:19:57,804 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 16:19:58,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 16:19:58,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 16:19:58,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 16:19:58,203 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 16:19:58,203 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 16:19:58,205 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--mfd--sm501.ko-main.cil.out.i [2020-10-29 16:19:58,278 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c4fee848e/825de9eeb3dd4c5ba6387b9cf106d15a/FLAG1a7df9359 [2020-10-29 16:19:59,189 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 16:19:59,190 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--mfd--sm501.ko-main.cil.out.i [2020-10-29 16:19:59,230 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c4fee848e/825de9eeb3dd4c5ba6387b9cf106d15a/FLAG1a7df9359 [2020-10-29 16:19:59,667 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c4fee848e/825de9eeb3dd4c5ba6387b9cf106d15a [2020-10-29 16:19:59,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 16:19:59,676 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 16:19:59,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 16:19:59,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 16:19:59,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 16:19:59,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:19:59" (1/1) ... [2020-10-29 16:19:59,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fa3f538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:19:59, skipping insertion in model container [2020-10-29 16:19:59,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:19:59" (1/1) ... [2020-10-29 16:19:59,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 16:19:59,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 16:20:01,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 16:20:01,445 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 16:20:01,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 16:20:02,181 INFO L208 MainTranslator]: Completed translation [2020-10-29 16:20:02,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:02 WrapperNode [2020-10-29 16:20:02,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 16:20:02,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 16:20:02,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 16:20:02,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 16:20:02,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:02" (1/1) ... [2020-10-29 16:20:02,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:02" (1/1) ... [2020-10-29 16:20:02,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:02" (1/1) ... [2020-10-29 16:20:02,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:02" (1/1) ... [2020-10-29 16:20:02,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:02" (1/1) ... [2020-10-29 16:20:02,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:02" (1/1) ... [2020-10-29 16:20:02,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:02" (1/1) ... [2020-10-29 16:20:02,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 16:20:02,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 16:20:02,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 16:20:02,526 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 16:20:02,527 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:02" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 16:20:02,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 16:20:02,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 16:20:02,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-10-29 16:20:02,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2020-10-29 16:20:02,605 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 16:20:02,605 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-29 16:20:02,605 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-29 16:20:02,605 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-29 16:20:02,605 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-29 16:20:02,605 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2020-10-29 16:20:02,606 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2020-10-29 16:20:02,606 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2020-10-29 16:20:02,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2020-10-29 16:20:02,606 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2020-10-29 16:20:02,606 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2020-10-29 16:20:02,607 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-29 16:20:02,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-29 16:20:02,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-29 16:20:02,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-29 16:20:02,607 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-29 16:20:02,607 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-29 16:20:02,608 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2020-10-29 16:20:02,608 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2020-10-29 16:20:02,608 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_dump_gate [2020-10-29 16:20:02,608 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_sync_regs [2020-10-29 16:20:02,608 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_mdelay [2020-10-29 16:20:02,608 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_misc_control [2020-10-29 16:20:02,609 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_modify_reg [2020-10-29 16:20:02,609 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_unit_power [2020-10-29 16:20:02,609 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_calc_clock [2020-10-29 16:20:02,609 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_calc_pll [2020-10-29 16:20:02,609 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_select_clock [2020-10-29 16:20:02,609 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_set_clock [2020-10-29 16:20:02,609 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_find_clock [2020-10-29 16:20:02,610 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sm_device [2020-10-29 16:20:02,610 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_device_release [2020-10-29 16:20:02,610 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_create_subdev [2020-10-29 16:20:02,610 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_register_device [2020-10-29 16:20:02,610 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_create_subio [2020-10-29 16:20:02,610 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_create_mem [2020-10-29 16:20:02,610 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_create_irq [2020-10-29 16:20:02,611 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_register_usbhost [2020-10-29 16:20:02,611 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_setup_uart_data [2020-10-29 16:20:02,611 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_register_uart [2020-10-29 16:20:02,611 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_register_display [2020-10-29 16:20:02,611 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sm501_gpio [2020-10-29 16:20:02,611 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_to_dev [2020-10-29 16:20:02,612 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_get [2020-10-29 16:20:02,612 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_ensure_gpio [2020-10-29 16:20:02,612 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_set [2020-10-29 16:20:02,612 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_input [2020-10-29 16:20:02,612 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_output [2020-10-29 16:20:02,612 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_register_chip [2020-10-29 16:20:02,612 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_register_gpio [2020-10-29 16:20:02,613 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_remove [2020-10-29 16:20:02,613 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_pin2nr [2020-10-29 16:20:02,613 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_gpio_isregistered [2020-10-29 16:20:02,613 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_register_gpio_i2c_instance [2020-10-29 16:20:02,613 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_register_gpio_i2c [2020-10-29 16:20:02,613 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_dbg_regs [2020-10-29 16:20:02,614 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_init_reg [2020-10-29 16:20:02,614 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_init_regs [2020-10-29 16:20:02,614 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_check_clocks [2020-10-29 16:20:02,614 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_init_dev [2020-10-29 16:20:02,614 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_plat_probe [2020-10-29 16:20:02,614 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_set_power [2020-10-29 16:20:02,615 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_plat_suspend [2020-10-29 16:20:02,615 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_plat_resume [2020-10-29 16:20:02,615 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_pci_probe [2020-10-29 16:20:02,615 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_remove_sub [2020-10-29 16:20:02,615 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_dev_remove [2020-10-29 16:20:02,615 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_pci_remove [2020-10-29 16:20:02,616 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_plat_remove [2020-10-29 16:20:02,616 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_base_init [2020-10-29 16:20:02,616 INFO L138 BoogieDeclarations]: Found implementation of procedure sm501_base_exit [2020-10-29 16:20:02,616 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 16:20:02,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-29 16:20:02,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-29 16:20:02,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-29 16:20:02,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-10-29 16:20:02,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-10-29 16:20:02,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-10-29 16:20:02,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-29 16:20:02,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2020-10-29 16:20:02,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-10-29 16:20:02,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2020-10-29 16:20:02,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-10-29 16:20:02,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_12 [2020-10-29 16:20:02,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_register_13 [2020-10-29 16:20:02,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_unregister_14 [2020-10-29 16:20:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-29 16:20:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-29 16:20:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-29 16:20:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_clock_lock_of_sm501_devdata [2020-10-29 16:20:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_clock_lock_of_sm501_devdata [2020-10-29 16:20:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_clock_lock_of_sm501_devdata [2020-10-29 16:20:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_clock_lock_of_sm501_devdata [2020-10-29 16:20:02,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_clock_lock_of_sm501_devdata [2020-10-29 16:20:02,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_clock_lock_of_sm501_devdata [2020-10-29 16:20:02,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_clock_lock_of_sm501_devdata [2020-10-29 16:20:02,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-29 16:20:02,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-29 16:20:02,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-29 16:20:02,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-29 16:20:02,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-29 16:20:02,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-29 16:20:02,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-29 16:20:02,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-29 16:20:02,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-29 16:20:02,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-29 16:20:02,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-29 16:20:02,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-29 16:20:02,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-29 16:20:02,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-29 16:20:02,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-29 16:20:02,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-29 16:20:02,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-29 16:20:02,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-29 16:20:02,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-29 16:20:02,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-29 16:20:02,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-29 16:20:02,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-29 16:20:02,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-29 16:20:02,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-29 16:20:02,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-10-29 16:20:02,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-29 16:20:02,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-29 16:20:02,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2020-10-29 16:20:02,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-29 16:20:02,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-10-29 16:20:02,625 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-29 16:20:02,625 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-29 16:20:02,625 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-29 16:20:02,625 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-29 16:20:02,625 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-29 16:20:02,626 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-29 16:20:02,626 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2020-10-29 16:20:02,626 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2020-10-29 16:20:02,626 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiochip_add [2020-10-29 16:20:02,626 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiochip_remove [2020-10-29 16:20:02,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2020-10-29 16:20:02,627 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2020-10-29 16:20:02,627 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-29 16:20:02,627 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-10-29 16:20:02,627 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-29 16:20:02,627 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-29 16:20:02,627 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-29 16:20:02,628 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2020-10-29 16:20:02,628 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2020-10-29 16:20:02,628 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_ioremap_bar [2020-10-29 16:20:02,628 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2020-10-29 16:20:02,628 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_register [2020-10-29 16:20:02,628 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2020-10-29 16:20:02,629 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_register [2020-10-29 16:20:02,629 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2020-10-29 16:20:02,629 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq [2020-10-29 16:20:02,629 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2020-10-29 16:20:02,629 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-29 16:20:02,629 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2020-10-29 16:20:02,629 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-29 16:20:02,630 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 16:20:02,630 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 16:20:02,630 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 16:20:02,630 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 16:20:02,630 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 16:20:02,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 16:20:02,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-29 16:20:02,631 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-29 16:20:02,631 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-10-29 16:20:02,631 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-29 16:20:02,631 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-29 16:20:02,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 16:20:02,631 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-29 16:20:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-29 16:20:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 16:20:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-29 16:20:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-29 16:20:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-29 16:20:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-10-29 16:20:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-29 16:20:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-29 16:20:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-10-29 16:20:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-29 16:20:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-10-29 16:20:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-10-29 16:20:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_12 [2020-10-29 16:20:02,633 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-29 16:20:02,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-29 16:20:02,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-29 16:20:02,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-10-29 16:20:02,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2020-10-29 16:20:02,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2020-10-29 16:20:02,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_clock_lock_of_sm501_devdata [2020-10-29 16:20:02,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_clock_lock_of_sm501_devdata [2020-10-29 16:20:02,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-29 16:20:02,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-29 16:20:02,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-29 16:20:02,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-29 16:20:02,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-29 16:20:02,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-29 16:20:02,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-29 16:20:02,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 16:20:02,636 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-29 16:20:02,636 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-29 16:20:02,636 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-29 16:20:02,636 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-29 16:20:02,636 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-29 16:20:02,636 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2020-10-29 16:20:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2020-10-29 16:20:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 16:20:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-10-29 16:20:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2020-10-29 16:20:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2020-10-29 16:20:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2020-10-29 16:20:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2020-10-29 16:20:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2020-10-29 16:20:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-29 16:20:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-10-29 16:20:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2020-10-29 16:20:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2020-10-29 16:20:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-29 16:20:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-29 16:20:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-29 16:20:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-29 16:20:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_register [2020-10-29 16:20:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2020-10-29 16:20:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2020-10-29 16:20:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2020-10-29 16:20:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_register [2020-10-29 16:20:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_register_13 [2020-10-29 16:20:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2020-10-29 16:20:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_unregister_14 [2020-10-29 16:20:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2020-10-29 16:20:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2020-10-29 16:20:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2020-10-29 16:20:02,641 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2020-10-29 16:20:02,641 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2020-10-29 16:20:02,641 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2020-10-29 16:20:02,641 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-29 16:20:02,641 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-29 16:20:02,641 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 16:20:02,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-29 16:20:02,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-29 16:20:02,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 16:20:02,642 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-29 16:20:02,642 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-29 16:20:02,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-29 16:20:02,642 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-29 16:20:02,642 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2020-10-29 16:20:02,642 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2020-10-29 16:20:02,643 INFO L130 BoogieDeclarations]: Found specification of procedure pci_ioremap_bar [2020-10-29 16:20:02,643 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_unit_power [2020-10-29 16:20:02,643 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_set_clock [2020-10-29 16:20:02,643 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_find_clock [2020-10-29 16:20:02,643 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_misc_control [2020-10-29 16:20:02,643 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_modify_reg [2020-10-29 16:20:02,643 INFO L130 BoogieDeclarations]: Found specification of procedure gpiochip_add [2020-10-29 16:20:02,644 INFO L130 BoogieDeclarations]: Found specification of procedure gpiochip_remove [2020-10-29 16:20:02,644 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_dump_gate [2020-10-29 16:20:02,644 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_sync_regs [2020-10-29 16:20:02,644 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_mdelay [2020-10-29 16:20:02,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 16:20:02,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 16:20:02,644 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_calc_clock [2020-10-29 16:20:02,645 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_calc_pll [2020-10-29 16:20:02,645 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_select_clock [2020-10-29 16:20:02,645 INFO L130 BoogieDeclarations]: Found specification of procedure to_sm_device [2020-10-29 16:20:02,645 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_device_release [2020-10-29 16:20:02,645 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_create_subdev [2020-10-29 16:20:02,645 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_register_device [2020-10-29 16:20:02,645 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_create_subio [2020-10-29 16:20:02,646 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_create_mem [2020-10-29 16:20:02,646 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_create_irq [2020-10-29 16:20:02,646 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_register_usbhost [2020-10-29 16:20:02,646 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_setup_uart_data [2020-10-29 16:20:02,646 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_register_uart [2020-10-29 16:20:02,646 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_register_display [2020-10-29 16:20:02,646 INFO L130 BoogieDeclarations]: Found specification of procedure to_sm501_gpio [2020-10-29 16:20:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_to_dev [2020-10-29 16:20:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_get [2020-10-29 16:20:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_ensure_gpio [2020-10-29 16:20:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_set [2020-10-29 16:20:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_input [2020-10-29 16:20:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_output [2020-10-29 16:20:02,648 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_register_chip [2020-10-29 16:20:02,648 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_register_gpio [2020-10-29 16:20:02,648 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_remove [2020-10-29 16:20:02,648 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_pin2nr [2020-10-29 16:20:02,648 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_gpio_isregistered [2020-10-29 16:20:02,648 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_register_gpio_i2c_instance [2020-10-29 16:20:02,648 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_register_gpio_i2c [2020-10-29 16:20:02,648 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_dbg_regs [2020-10-29 16:20:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_init_reg [2020-10-29 16:20:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_init_regs [2020-10-29 16:20:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_check_clocks [2020-10-29 16:20:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_init_dev [2020-10-29 16:20:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_plat_probe [2020-10-29 16:20:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_set_power [2020-10-29 16:20:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-10-29 16:20:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2020-10-29 16:20:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_plat_suspend [2020-10-29 16:20:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_plat_resume [2020-10-29 16:20:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_pci_probe [2020-10-29 16:20:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_remove_sub [2020-10-29 16:20:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_dev_remove [2020-10-29 16:20:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_pci_remove [2020-10-29 16:20:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_plat_remove [2020-10-29 16:20:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_base_init [2020-10-29 16:20:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure sm501_base_exit [2020-10-29 16:20:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-29 16:20:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-29 16:20:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 16:20:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-29 16:20:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-29 16:20:02,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_clock_lock_of_sm501_devdata [2020-10-29 16:20:02,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_clock_lock_of_sm501_devdata [2020-10-29 16:20:02,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_clock_lock_of_sm501_devdata [2020-10-29 16:20:02,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_clock_lock_of_sm501_devdata [2020-10-29 16:20:02,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_clock_lock_of_sm501_devdata [2020-10-29 16:20:02,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-29 16:20:02,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-29 16:20:02,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-29 16:20:02,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-29 16:20:02,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-29 16:20:02,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-29 16:20:02,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-29 16:20:02,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-29 16:20:02,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-29 16:20:02,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-29 16:20:02,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-29 16:20:02,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-29 16:20:02,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-29 16:20:02,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-29 16:20:02,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-29 16:20:02,654 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 16:20:02,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 16:20:02,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 16:20:02,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-29 16:20:02,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 16:20:13,788 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 16:20:13,789 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-29 16:20:13,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:20:13 BoogieIcfgContainer [2020-10-29 16:20:13,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 16:20:13,796 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 16:20:13,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 16:20:13,800 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 16:20:13,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:19:59" (1/3) ... [2020-10-29 16:20:13,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31c3c6cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:20:13, skipping insertion in model container [2020-10-29 16:20:13,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:02" (2/3) ... [2020-10-29 16:20:13,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31c3c6cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:20:13, skipping insertion in model container [2020-10-29 16:20:13,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:20:13" (3/3) ... [2020-10-29 16:20:13,804 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--mfd--sm501.ko-main.cil.out.i [2020-10-29 16:20:13,816 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 16:20:13,827 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 16:20:13,848 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 16:20:13,893 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 16:20:13,893 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 16:20:13,893 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 16:20:13,893 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 16:20:13,893 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 16:20:13,894 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 16:20:13,894 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 16:20:13,894 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 16:20:13,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states. [2020-10-29 16:20:13,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-29 16:20:13,979 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:20:13,980 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 16:20:13,980 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:20:13,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:20:13,994 INFO L82 PathProgramCache]: Analyzing trace with hash -2091989238, now seen corresponding path program 1 times [2020-10-29 16:20:14,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:20:14,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1761019153] [2020-10-29 16:20:14,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:20:14,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:20:14,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:20:15,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:20:21,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:20:21,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 16:20:21,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:20:21,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7082 [2020-10-29 16:20:21,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:20:21,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:20:21,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:20:21,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 16:20:21,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-29 16:20:21,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 16:20:27,273 WARN L193 SmtUtils]: Spent 5.32 s on a formula simplification that was a NOOP. DAG size: 877 [2020-10-29 16:20:27,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:20:27,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:20:27,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:20:30,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:20:30,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:20:30,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:20:30,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2986 [2020-10-29 16:20:30,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:20:30,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:20:30,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:20:30,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:20:30,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:20:30,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:20:30,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:20:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:20:30,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:20:30,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:20:30,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:20:30,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:20:30,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 16:20:30,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:20:30,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:20:30,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:20:30,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:20:30,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:20:30,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:20:30,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 16:20:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:20:30,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:20:30,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:20:30,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 16:20:30,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:20:30,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 16:20:30,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:20:30,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:20:30,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:20:30,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:20:30,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 16:20:30,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:20:30,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:20:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:20:30,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:20:30,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:20:30,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:20:30,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:20:30,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:20:30,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:20:30,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:20:30,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:20:30,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:20:30,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:20:30,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:20:30,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:20:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:20:30,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:20:30,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:20:30,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:20:30,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:20:30,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 16:20:30,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:20:30,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:20:30,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:20:30,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:20:30,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:20:30,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:20:30,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 16:20:30,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:20:30,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:20:30,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:20:30,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:20:30,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:20:30,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 16:20:30,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:20:30,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:20:30,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:20:30,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:20:30,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:20:30,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:20:30,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 16:20:30,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1761019153] [2020-10-29 16:20:30,641 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:20:30,641 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 16:20:30,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074029528] [2020-10-29 16:20:30,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 16:20:30,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:20:30,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 16:20:30,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 16:20:30,669 INFO L87 Difference]: Start difference. First operand 1278 states. Second operand 6 states. [2020-10-29 16:20:41,511 WARN L193 SmtUtils]: Spent 4.93 s on a formula simplification that was a NOOP. DAG size: 879 [2020-10-29 16:21:21,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:21:21,986 INFO L93 Difference]: Finished difference Result 2528 states and 3468 transitions. [2020-10-29 16:21:21,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 16:21:21,991 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2020-10-29 16:21:21,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:21:22,031 INFO L225 Difference]: With dead ends: 2528 [2020-10-29 16:21:22,031 INFO L226 Difference]: Without dead ends: 1383 [2020-10-29 16:21:22,047 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-10-29 16:21:22,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1383 states. [2020-10-29 16:21:22,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1383 to 1163. [2020-10-29 16:21:22,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1163 states. [2020-10-29 16:21:23,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 1514 transitions. [2020-10-29 16:21:23,016 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 1514 transitions. Word has length 41 [2020-10-29 16:21:23,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:21:23,016 INFO L481 AbstractCegarLoop]: Abstraction has 1163 states and 1514 transitions. [2020-10-29 16:21:23,016 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 16:21:23,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1514 transitions. [2020-10-29 16:21:23,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-29 16:21:23,023 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:21:23,023 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 16:21:23,023 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 16:21:23,024 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:21:23,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:21:23,025 INFO L82 PathProgramCache]: Analyzing trace with hash -1167872700, now seen corresponding path program 1 times [2020-10-29 16:21:23,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:21:23,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1070352253] [2020-10-29 16:21:23,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:21:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:21:23,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:21:23,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:21:28,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:21:28,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-29 16:21:28,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:21:28,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5789 [2020-10-29 16:21:28,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:21:28,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:21:28,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:21:28,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 16:21:28,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-29 16:21:28,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:21:34,171 WARN L193 SmtUtils]: Spent 5.02 s on a formula simplification that was a NOOP. DAG size: 877 [2020-10-29 16:21:34,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:21:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:21:34,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:21:36,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:21:36,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:21:36,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:21:36,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2643 [2020-10-29 16:21:36,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:21:36,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:21:36,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:21:36,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:21:36,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:21:36,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:21:36,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:21:36,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:21:36,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:21:36,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:21:36,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:21:36,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:21:36,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:21:36,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:21:36,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:21:36,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:21:36,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:21:36,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:21:36,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:21:37,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 16:21:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:21:37,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:21:37,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:21:37,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 16:21:37,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:21:37,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 16:21:37,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:21:37,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:21:37,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:21:37,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:21:37,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 16:21:37,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:21:37,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:21:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:21:37,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:21:37,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:21:37,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:21:37,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:21:37,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 16:21:37,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:21:37,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:21:37,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:21:37,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:21:37,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:21:37,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:21:37,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:21:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:21:37,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:21:37,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:21:37,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:21:37,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:21:37,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 16:21:37,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:21:37,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:21:37,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:21:37,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:21:37,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:21:37,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:21:37,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 16:21:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:21:37,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:21:37,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:21:37,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:21:37,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:21:37,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:21:37,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:21:37,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:21:37,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:21:37,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:21:37,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:21:37,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:21:37,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 16:21:37,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1070352253] [2020-10-29 16:21:37,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:21:37,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 16:21:37,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415133587] [2020-10-29 16:21:37,117 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 16:21:37,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:21:37,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 16:21:37,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 16:21:37,120 INFO L87 Difference]: Start difference. First operand 1163 states and 1514 transitions. Second operand 6 states. [2020-10-29 16:21:49,034 WARN L193 SmtUtils]: Spent 4.97 s on a formula simplification that was a NOOP. DAG size: 879 [2020-10-29 16:22:32,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:22:32,406 INFO L93 Difference]: Finished difference Result 1478 states and 2006 transitions. [2020-10-29 16:22:32,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 16:22:32,408 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2020-10-29 16:22:32,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:22:32,420 INFO L225 Difference]: With dead ends: 1478 [2020-10-29 16:22:32,420 INFO L226 Difference]: Without dead ends: 1473 [2020-10-29 16:22:32,422 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-10-29 16:22:32,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1473 states. [2020-10-29 16:22:32,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1473 to 1162. [2020-10-29 16:22:32,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1162 states. [2020-10-29 16:22:32,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 1162 states and 1512 transitions. [2020-10-29 16:22:32,998 INFO L78 Accepts]: Start accepts. Automaton has 1162 states and 1512 transitions. Word has length 42 [2020-10-29 16:22:32,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:22:32,998 INFO L481 AbstractCegarLoop]: Abstraction has 1162 states and 1512 transitions. [2020-10-29 16:22:32,998 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 16:22:32,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1512 transitions. [2020-10-29 16:22:33,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-29 16:22:33,001 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:22:33,001 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 16:22:33,001 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 16:22:33,001 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:22:33,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:22:33,002 INFO L82 PathProgramCache]: Analyzing trace with hash 1714613389, now seen corresponding path program 1 times [2020-10-29 16:22:33,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:22:33,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [624636320] [2020-10-29 16:22:33,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:22:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:22:33,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:33,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:38,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:22:38,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-29 16:22:38,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:22:38,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5075 [2020-10-29 16:22:38,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:22:38,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:22:38,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:22:38,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 16:22:38,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 16:22:38,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:22:43,278 WARN L193 SmtUtils]: Spent 4.89 s on a formula simplification that was a NOOP. DAG size: 877 [2020-10-29 16:22:43,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:22:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:22:43,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:46,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:22:46,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:22:46,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:22:46,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2737 [2020-10-29 16:22:46,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:22:46,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:22:46,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:22:46,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:22:46,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:22:46,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:22:46,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:22:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:22:46,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:46,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:22:46,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:22:46,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:22:46,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:22:46,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:22:46,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:22:46,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:22:46,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:22:46,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:22:46,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:22:46,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 16:22:46,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:22:46,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:46,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:22:46,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 16:22:46,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:22:46,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 16:22:46,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:22:46,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:22:46,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:22:46,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:22:46,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 16:22:46,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:22:46,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:22:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:22:46,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:46,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:22:46,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:22:46,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:22:46,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 16:22:46,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:22:46,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:22:46,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:22:46,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:22:46,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:22:46,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:22:46,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:22:46,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:22:46,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:46,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:22:46,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:22:46,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:22:46,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 16:22:46,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:22:46,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:22:46,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:22:46,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:22:46,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:22:46,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:22:46,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 16:22:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:22:46,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:46,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:22:46,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:22:46,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:22:46,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:22:46,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:22:46,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:22:46,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:22:46,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:22:46,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:22:46,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:22:46,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 16:22:46,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [624636320] [2020-10-29 16:22:46,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:22:46,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 16:22:46,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558687696] [2020-10-29 16:22:46,290 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 16:22:46,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:22:46,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 16:22:46,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 16:22:46,292 INFO L87 Difference]: Start difference. First operand 1162 states and 1512 transitions. Second operand 6 states. [2020-10-29 16:22:58,732 WARN L193 SmtUtils]: Spent 4.64 s on a formula simplification that was a NOOP. DAG size: 879 [2020-10-29 16:23:40,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:23:40,689 INFO L93 Difference]: Finished difference Result 1477 states and 2004 transitions. [2020-10-29 16:23:40,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 16:23:40,690 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2020-10-29 16:23:40,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:23:40,703 INFO L225 Difference]: With dead ends: 1477 [2020-10-29 16:23:40,703 INFO L226 Difference]: Without dead ends: 1472 [2020-10-29 16:23:40,704 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-10-29 16:23:40,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2020-10-29 16:23:41,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 1161. [2020-10-29 16:23:41,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1161 states. [2020-10-29 16:23:41,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 1161 states and 1510 transitions. [2020-10-29 16:23:41,168 INFO L78 Accepts]: Start accepts. Automaton has 1161 states and 1510 transitions. Word has length 43 [2020-10-29 16:23:41,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:23:41,168 INFO L481 AbstractCegarLoop]: Abstraction has 1161 states and 1510 transitions. [2020-10-29 16:23:41,168 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 16:23:41,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 1510 transitions. [2020-10-29 16:23:41,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-29 16:23:41,170 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:23:41,170 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 16:23:41,171 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 16:23:41,171 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:23:41,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:23:41,171 INFO L82 PathProgramCache]: Analyzing trace with hash 882046119, now seen corresponding path program 1 times [2020-10-29 16:23:41,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:23:41,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1142548748] [2020-10-29 16:23:41,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:23:41,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:23:41,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:23:41,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:23:46,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:23:46,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-29 16:23:46,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:23:46,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5165 [2020-10-29 16:23:46,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:23:46,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:23:46,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:23:46,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 16:23:46,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-29 16:23:46,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:23:51,446 WARN L193 SmtUtils]: Spent 4.84 s on a formula simplification that was a NOOP. DAG size: 877 [2020-10-29 16:23:51,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:23:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:23:51,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:23:53,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:23:53,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:23:53,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:23:53,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2159 [2020-10-29 16:23:53,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:23:53,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:23:53,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:23:53,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:23:53,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:23:53,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:23:53,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:23:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:23:53,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:23:53,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:23:53,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:23:53,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:23:53,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 16:23:53,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:23:53,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:23:53,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:23:53,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:23:53,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:23:53,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:23:53,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 16:23:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:23:53,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:23:53,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:23:53,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-29 16:23:53,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:23:53,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 16:23:53,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:23:53,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:23:53,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:23:53,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:23:53,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 16:23:53,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:23:53,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:23:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:23:53,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:23:53,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:23:53,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:23:53,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:23:53,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:23:53,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:23:53,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:23:53,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:23:53,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:23:53,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:23:53,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:23:53,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:23:53,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:23:53,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:23:53,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:23:53,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:23:53,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:23:53,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 16:23:53,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:23:53,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:23:53,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:23:53,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:23:53,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:23:53,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:23:53,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 16:23:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:23:53,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:23:53,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:23:53,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:23:53,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:23:53,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 16:23:53,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:23:53,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:23:53,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:23:53,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:23:53,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:23:53,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:23:53,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 16:23:53,882 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1142548748] [2020-10-29 16:23:53,882 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:23:53,882 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 16:23:53,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281812880] [2020-10-29 16:23:53,883 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 16:23:53,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:23:53,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 16:23:53,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 16:23:53,884 INFO L87 Difference]: Start difference. First operand 1161 states and 1510 transitions. Second operand 6 states.