/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-media-video-msp3400.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 16:36:04,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 16:36:04,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 16:36:04,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 16:36:04,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 16:36:04,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 16:36:04,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 16:36:04,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 16:36:04,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 16:36:04,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 16:36:04,583 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 16:36:04,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 16:36:04,585 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 16:36:04,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 16:36:04,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 16:36:04,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 16:36:04,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 16:36:04,599 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 16:36:04,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 16:36:04,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 16:36:04,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 16:36:04,617 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 16:36:04,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 16:36:04,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 16:36:04,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 16:36:04,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 16:36:04,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 16:36:04,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 16:36:04,635 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 16:36:04,636 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 16:36:04,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 16:36:04,637 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 16:36:04,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 16:36:04,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 16:36:04,641 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 16:36:04,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 16:36:04,642 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 16:36:04,643 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 16:36:04,643 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 16:36:04,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 16:36:04,663 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 16:36:04,664 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 16:36:04,691 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 16:36:04,692 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 16:36:04,693 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 16:36:04,693 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 16:36:04,694 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 16:36:04,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 16:36:04,694 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 16:36:04,694 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 16:36:04,694 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 16:36:04,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 16:36:04,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 16:36:04,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 16:36:04,695 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 16:36:04,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 16:36:04,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 16:36:04,696 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 16:36:04,696 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 16:36:04,696 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 16:36:04,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 16:36:04,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 16:36:04,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 16:36:04,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 16:36:04,697 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 16:36:04,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 16:36:04,698 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 16:36:04,698 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 16:36:04,698 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-29 16:36:04,698 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 16:36:05,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 16:36:05,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 16:36:05,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 16:36:05,091 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 16:36:05,094 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 16:36:05,095 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-media-video-msp3400.ko.cil.out.i [2020-10-29 16:36:05,183 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d293c5b22/d89a02b8b1fb49bb982d200c17969fa9/FLAG212f889c1 [2020-10-29 16:36:06,224 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 16:36:06,225 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-media-video-msp3400.ko.cil.out.i [2020-10-29 16:36:06,282 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d293c5b22/d89a02b8b1fb49bb982d200c17969fa9/FLAG212f889c1 [2020-10-29 16:36:06,302 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d293c5b22/d89a02b8b1fb49bb982d200c17969fa9 [2020-10-29 16:36:06,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 16:36:06,312 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 16:36:06,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 16:36:06,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 16:36:06,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 16:36:06,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:36:06" (1/1) ... [2020-10-29 16:36:06,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c4dba1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:36:06, skipping insertion in model container [2020-10-29 16:36:06,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:36:06" (1/1) ... [2020-10-29 16:36:06,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 16:36:06,465 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 16:36:08,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 16:36:08,235 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 16:36:08,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 16:36:09,189 INFO L208 MainTranslator]: Completed translation [2020-10-29 16:36:09,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:36:09 WrapperNode [2020-10-29 16:36:09,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 16:36:09,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 16:36:09,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 16:36:09,191 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 16:36:09,204 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:36:09" (1/1) ... [2020-10-29 16:36:09,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:36:09" (1/1) ... [2020-10-29 16:36:09,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:36:09" (1/1) ... [2020-10-29 16:36:09,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:36:09" (1/1) ... [2020-10-29 16:36:09,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:36:09" (1/1) ... [2020-10-29 16:36:09,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:36:09" (1/1) ... [2020-10-29 16:36:09,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:36:09" (1/1) ... [2020-10-29 16:36:09,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 16:36:09,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 16:36:09,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 16:36:09,662 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 16:36:09,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:36:09" (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 16:36:09,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 16:36:09,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 16:36:09,734 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 16:36:09,734 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-29 16:36:09,734 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-29 16:36:09,734 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-29 16:36:09,734 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2020-10-29 16:36:09,734 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-29 16:36:09,735 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-29 16:36:09,735 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2020-10-29 16:36:09,735 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2020-10-29 16:36:09,735 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_add_driver [2020-10-29 16:36:09,735 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_adapter_id [2020-10-29 16:36:09,735 INFO L138 BoogieDeclarations]: Found implementation of procedure freezing [2020-10-29 16:36:09,736 INFO L138 BoogieDeclarations]: Found implementation of procedure try_to_freeze [2020-10-29 16:36:09,736 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2020-10-29 16:36:09,736 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_lock [2020-10-29 16:36:09,736 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_unlock [2020-10-29 16:36:09,736 INFO L138 BoogieDeclarations]: Found implementation of procedure to_state [2020-10-29 16:36:09,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_to_state [2020-10-29 16:36:09,737 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_reset [2020-10-29 16:36:09,737 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_read [2020-10-29 16:36:09,737 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_read_dem [2020-10-29 16:36:09,737 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_read_dsp [2020-10-29 16:36:09,737 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_write [2020-10-29 16:36:09,738 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_write_dem [2020-10-29 16:36:09,738 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_write_dsp [2020-10-29 16:36:09,738 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_set_scart [2020-10-29 16:36:09,738 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_wake_thread [2020-10-29 16:36:09,738 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_sleep [2020-10-29 16:36:09,738 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_s_ctrl [2020-10-29 16:36:09,739 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_update_volume [2020-10-29 16:36:09,739 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_s_radio [2020-10-29 16:36:09,739 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_s_frequency [2020-10-29 16:36:09,739 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_s_std [2020-10-29 16:36:09,739 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_s_routing [2020-10-29 16:36:09,739 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_g_tuner [2020-10-29 16:36:09,739 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_s_tuner [2020-10-29 16:36:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_s_i2s_clock_freq [2020-10-29 16:36:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_g_chip_ident [2020-10-29 16:36:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_log_status [2020-10-29 16:36:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_suspend [2020-10-29 16:36:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_resume [2020-10-29 16:36:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_probe [2020-10-29 16:36:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_remove [2020-10-29 16:36:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure init_msp [2020-10-29 16:36:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure exit_msp [2020-10-29 16:36:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2020-10-29 16:36:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2020-10-29 16:36:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 16:36:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2020-10-29 16:36:09,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2020-10-29 16:36:09,742 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2020-10-29 16:36:09,742 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2020-10-29 16:36:09,742 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-29 16:36:09,742 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-29 16:36:09,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-29 16:36:09,742 INFO L138 BoogieDeclarations]: Found implementation of procedure set_freezable [2020-10-29 16:36:09,743 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_standard_std_name [2020-10-29 16:36:09,743 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_set_source [2020-10-29 16:36:09,743 INFO L138 BoogieDeclarations]: Found implementation of procedure msp3400c_set_carrier [2020-10-29 16:36:09,743 INFO L138 BoogieDeclarations]: Found implementation of procedure msp3400c_set_mode [2020-10-29 16:36:09,743 INFO L138 BoogieDeclarations]: Found implementation of procedure msp3400c_set_audmode [2020-10-29 16:36:09,744 INFO L138 BoogieDeclarations]: Found implementation of procedure msp3400c_print_mode [2020-10-29 16:36:09,744 INFO L138 BoogieDeclarations]: Found implementation of procedure msp3400c_detect_stereo [2020-10-29 16:36:09,744 INFO L138 BoogieDeclarations]: Found implementation of procedure watch_stereo [2020-10-29 16:36:09,744 INFO L138 BoogieDeclarations]: Found implementation of procedure msp3400c_thread [2020-10-29 16:36:09,744 INFO L138 BoogieDeclarations]: Found implementation of procedure msp3410d_thread [2020-10-29 16:36:09,744 INFO L138 BoogieDeclarations]: Found implementation of procedure msp34xxg_modus [2020-10-29 16:36:09,744 INFO L138 BoogieDeclarations]: Found implementation of procedure msp34xxg_set_source [2020-10-29 16:36:09,745 INFO L138 BoogieDeclarations]: Found implementation of procedure msp34xxg_set_sources [2020-10-29 16:36:09,745 INFO L138 BoogieDeclarations]: Found implementation of procedure msp34xxg_reset [2020-10-29 16:36:09,745 INFO L138 BoogieDeclarations]: Found implementation of procedure msp34xxg_thread [2020-10-29 16:36:09,745 INFO L138 BoogieDeclarations]: Found implementation of procedure msp34xxg_detect_stereo [2020-10-29 16:36:09,745 INFO L138 BoogieDeclarations]: Found implementation of procedure msp34xxg_set_audmode [2020-10-29 16:36:09,745 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_set_audmode [2020-10-29 16:36:09,746 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_detect_stereo [2020-10-29 16:36:09,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-29 16:36:09,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-29 16:36:09,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-29 16:36:09,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-29 16:36:09,746 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2020-10-29 16:36:09,746 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-29 16:36:09,747 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2020-10-29 16:36:09,747 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2020-10-29 16:36:09,747 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2020-10-29 16:36:09,747 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2020-10-29 16:36:09,747 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_create_on_node [2020-10-29 16:36:09,747 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2020-10-29 16:36:09,748 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2020-10-29 16:36:09,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-29 16:36:09,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-29 16:36:09,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2020-10-29 16:36:09,748 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2020-10-29 16:36:09,748 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-29 16:36:09,748 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-29 16:36:09,749 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-29 16:36:09,749 INFO L138 BoogieDeclarations]: Found implementation of procedure refrigerator [2020-10-29 16:36:09,749 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2020-10-29 16:36:09,749 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-10-29 16:36:09,749 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2020-10-29 16:36:09,749 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2020-10-29 16:36:09,749 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_chip_ident_i2c_client [2020-10-29 16:36:09,750 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_cluster [2020-10-29 16:36:09,750 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2020-10-29 16:36:09,750 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_init [2020-10-29 16:36:09,750 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_log_status [2020-10-29 16:36:09,750 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_setup [2020-10-29 16:36:09,750 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2020-10-29 16:36:09,751 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister_subdev [2020-10-29 16:36:09,751 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_i2c_subdev_init [2020-10-29 16:36:09,751 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2020-10-29 16:36:09,751 INFO L138 BoogieDeclarations]: Found implementation of procedure default_wake_function [2020-10-29 16:36:09,751 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-29 16:36:09,752 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 16:36:09,752 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 16:36:09,752 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 16:36:09,752 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 16:36:09,752 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 16:36:09,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 16:36:09,753 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-29 16:36:09,753 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-29 16:36:09,753 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-29 16:36:09,753 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-29 16:36:09,753 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-29 16:36:09,753 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2020-10-29 16:36:09,753 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2020-10-29 16:36:09,754 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-29 16:36:09,754 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2020-10-29 16:36:09,754 INFO L130 BoogieDeclarations]: Found specification of procedure default_wake_function [2020-10-29 16:36:09,754 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-29 16:36:09,754 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2020-10-29 16:36:09,754 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2020-10-29 16:36:09,755 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-29 16:36:09,755 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-29 16:36:09,755 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-29 16:36:09,755 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2020-10-29 16:36:09,755 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-29 16:36:09,755 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2020-10-29 16:36:09,756 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2020-10-29 16:36:09,756 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-29 16:36:09,756 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-29 16:36:09,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-29 16:36:09,756 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-29 16:36:09,756 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-29 16:36:09,757 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2020-10-29 16:36:09,757 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-10-29 16:36:09,757 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2020-10-29 16:36:09,757 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2020-10-29 16:36:09,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 16:36:09,757 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2020-10-29 16:36:09,758 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2020-10-29 16:36:09,758 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2020-10-29 16:36:09,758 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2020-10-29 16:36:09,758 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2020-10-29 16:36:09,758 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_add_driver [2020-10-29 16:36:09,758 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_adapter_id [2020-10-29 16:36:09,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 16:36:09,759 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_create_on_node [2020-10-29 16:36:09,759 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2020-10-29 16:36:09,759 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2020-10-29 16:36:09,759 INFO L130 BoogieDeclarations]: Found specification of procedure freezing [2020-10-29 16:36:09,759 INFO L130 BoogieDeclarations]: Found specification of procedure refrigerator [2020-10-29 16:36:09,759 INFO L130 BoogieDeclarations]: Found specification of procedure try_to_freeze [2020-10-29 16:36:09,759 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_chip_ident_i2c_client [2020-10-29 16:36:09,759 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_i2c_subdev_init [2020-10-29 16:36:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2020-10-29 16:36:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister_subdev [2020-10-29 16:36:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_init [2020-10-29 16:36:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2020-10-29 16:36:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_setup [2020-10-29 16:36:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_log_status [2020-10-29 16:36:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2020-10-29 16:36:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_cluster [2020-10-29 16:36:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_lock [2020-10-29 16:36:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_unlock [2020-10-29 16:36:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_queryctrl [2020-10-29 16:36:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_querymenu [2020-10-29 16:36:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ext_ctrls [2020-10-29 16:36:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_try_ext_ctrls [2020-10-29 16:36:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ext_ctrls [2020-10-29 16:36:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ctrl [2020-10-29 16:36:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ctrl [2020-10-29 16:36:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure to_state [2020-10-29 16:36:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_to_state [2020-10-29 16:36:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure msp_write_dem [2020-10-29 16:36:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure msp_write_dsp [2020-10-29 16:36:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure msp_read_dem [2020-10-29 16:36:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure msp_read_dsp [2020-10-29 16:36:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure msp_reset [2020-10-29 16:36:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure msp_set_scart [2020-10-29 16:36:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure msp_update_volume [2020-10-29 16:36:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure msp_sleep [2020-10-29 16:36:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure msp_standard_std_name [2020-10-29 16:36:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure msp_set_audmode [2020-10-29 16:36:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure msp_detect_stereo [2020-10-29 16:36:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure msp3400c_thread [2020-10-29 16:36:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure msp3410d_thread [2020-10-29 16:36:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure msp34xxg_thread [2020-10-29 16:36:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure msp3400c_set_mode [2020-10-29 16:36:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure msp3400c_set_carrier [2020-10-29 16:36:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 16:36:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 16:36:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 16:36:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure msp_read [2020-10-29 16:36:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure msp_write [2020-10-29 16:36:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure msp_wake_thread [2020-10-29 16:36:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure msp_s_ctrl [2020-10-29 16:36:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure msp_s_radio [2020-10-29 16:36:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure msp_s_frequency [2020-10-29 16:36:09,766 INFO L130 BoogieDeclarations]: Found specification of procedure msp_s_std [2020-10-29 16:36:09,766 INFO L130 BoogieDeclarations]: Found specification of procedure msp_s_routing [2020-10-29 16:36:09,766 INFO L130 BoogieDeclarations]: Found specification of procedure msp_g_tuner [2020-10-29 16:36:09,766 INFO L130 BoogieDeclarations]: Found specification of procedure msp_s_tuner [2020-10-29 16:36:09,766 INFO L130 BoogieDeclarations]: Found specification of procedure msp_s_i2s_clock_freq [2020-10-29 16:36:09,766 INFO L130 BoogieDeclarations]: Found specification of procedure msp_g_chip_ident [2020-10-29 16:36:09,766 INFO L130 BoogieDeclarations]: Found specification of procedure msp_log_status [2020-10-29 16:36:09,767 INFO L130 BoogieDeclarations]: Found specification of procedure msp_suspend [2020-10-29 16:36:09,767 INFO L130 BoogieDeclarations]: Found specification of procedure msp_resume [2020-10-29 16:36:09,767 INFO L130 BoogieDeclarations]: Found specification of procedure msp_probe [2020-10-29 16:36:09,767 INFO L130 BoogieDeclarations]: Found specification of procedure msp_remove [2020-10-29 16:36:09,767 INFO L130 BoogieDeclarations]: Found specification of procedure init_msp [2020-10-29 16:36:09,767 INFO L130 BoogieDeclarations]: Found specification of procedure exit_msp [2020-10-29 16:36:09,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-29 16:36:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-29 16:36:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-29 16:36:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 16:36:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 16:36:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2020-10-29 16:36:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2020-10-29 16:36:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-29 16:36:09,769 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-29 16:36:09,769 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2020-10-29 16:36:09,769 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2020-10-29 16:36:09,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2020-10-29 16:36:09,769 INFO L130 BoogieDeclarations]: Found specification of procedure set_freezable [2020-10-29 16:36:09,769 INFO L130 BoogieDeclarations]: Found specification of procedure msp_set_source [2020-10-29 16:36:09,769 INFO L130 BoogieDeclarations]: Found specification of procedure msp3400c_set_audmode [2020-10-29 16:36:09,769 INFO L130 BoogieDeclarations]: Found specification of procedure msp3400c_print_mode [2020-10-29 16:36:09,770 INFO L130 BoogieDeclarations]: Found specification of procedure msp3400c_detect_stereo [2020-10-29 16:36:09,770 INFO L130 BoogieDeclarations]: Found specification of procedure watch_stereo [2020-10-29 16:36:09,770 INFO L130 BoogieDeclarations]: Found specification of procedure msp34xxg_modus [2020-10-29 16:36:09,770 INFO L130 BoogieDeclarations]: Found specification of procedure msp34xxg_set_source [2020-10-29 16:36:09,770 INFO L130 BoogieDeclarations]: Found specification of procedure msp34xxg_set_sources [2020-10-29 16:36:09,770 INFO L130 BoogieDeclarations]: Found specification of procedure msp34xxg_reset [2020-10-29 16:36:09,770 INFO L130 BoogieDeclarations]: Found specification of procedure msp34xxg_detect_stereo [2020-10-29 16:36:09,771 INFO L130 BoogieDeclarations]: Found specification of procedure msp34xxg_set_audmode [2020-10-29 16:36:09,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-29 16:36:09,771 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 16:36:09,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-29 16:36:09,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 16:36:09,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-29 16:36:09,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-29 16:36:09,771 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 16:36:09,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 16:36:09,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 16:36:09,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-29 16:36:09,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 16:36:10,945 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-29 16:36:11,217 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##52: assume !false; [2020-10-29 16:36:11,217 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##51: assume false; [2020-10-29 16:36:11,241 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-29 16:36:11,246 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-29 16:36:11,555 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##97: assume !false; [2020-10-29 16:36:11,555 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##96: assume false; [2020-10-29 16:36:11,555 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##135: assume !false; [2020-10-29 16:36:11,555 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##134: assume false; [2020-10-29 16:36:11,725 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-29 16:36:11,734 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-10-29 16:36:11,734 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-10-29 16:36:11,736 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-29 16:36:11,825 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##50: assume false; [2020-10-29 16:36:11,825 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##51: assume !false; [2020-10-29 16:36:12,189 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-29 16:36:12,289 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##23: assume !false; [2020-10-29 16:36:12,289 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##22: assume false; [2020-10-29 16:36:12,325 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-29 16:36:12,369 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2020-10-29 16:36:12,369 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2020-10-29 16:36:12,430 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2020-10-29 16:36:12,486 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-29 16:36:12,523 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-10-29 16:36:12,523 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-10-29 16:36:12,791 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-29 16:36:12,817 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2020-10-29 16:36:12,817 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2020-10-29 16:36:24,090 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-29 16:36:24,149 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2020-10-29 16:36:24,150 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2020-10-29 16:36:24,172 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-29 16:36:24,344 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-10-29 16:36:24,345 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-10-29 16:36:26,787 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 16:36:26,788 INFO L298 CfgBuilder]: Removed 95 assume(true) statements. [2020-10-29 16:36:26,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:36:26 BoogieIcfgContainer [2020-10-29 16:36:26,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 16:36:26,797 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 16:36:26,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 16:36:26,801 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 16:36:26,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:36:06" (1/3) ... [2020-10-29 16:36:26,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a085c7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:36:26, skipping insertion in model container [2020-10-29 16:36:26,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:36:09" (2/3) ... [2020-10-29 16:36:26,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a085c7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:36:26, skipping insertion in model container [2020-10-29 16:36:26,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:36:26" (3/3) ... [2020-10-29 16:36:26,804 INFO L111 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-media-video-msp3400.ko.cil.out.i [2020-10-29 16:36:26,816 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 16:36:26,824 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 16:36:26,837 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 16:36:26,872 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 16:36:26,872 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 16:36:26,872 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 16:36:26,872 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 16:36:26,872 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 16:36:26,872 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 16:36:26,873 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 16:36:26,873 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 16:36:26,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states. [2020-10-29 16:36:26,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-29 16:36:26,932 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:36:26,933 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] [2020-10-29 16:36:26,933 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:36:26,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:36:26,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1868614742, now seen corresponding path program 1 times [2020-10-29 16:36:26,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:36:26,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2055391100] [2020-10-29 16:36:26,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:36:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:36:28,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:36:35,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:36:35,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-29 16:36:35,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:36:35,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7409 [2020-10-29 16:36:35,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:36:35,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:36:35,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:36:35,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 16:36:35,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-29 16:36:35,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 16:36:49,049 WARN L193 SmtUtils]: Spent 13.36 s on a formula simplification that was a NOOP. DAG size: 1564 [2020-10-29 16:36:49,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:36:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:36:49,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:36:54,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:36:54,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:36:54,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:36:54,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4817 [2020-10-29 16:36:54,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:36:54,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:36:54,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:36:54,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:36:54,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:36:54,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:36:54,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:36:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:36:54,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:36:54,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:36:54,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:36:54,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:36:54,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 16:36:54,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:36:54,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:36:54,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:36:54,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:36:54,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 16:36:54,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:36:54,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 16:36:54,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:36:54,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:36:54,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:36:54,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-29 16:36:54,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:36:54,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-29 16:36:54,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:36:54,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:36:54,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:36:54,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:36:54,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-29 16:36:54,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:36:54,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:36:54,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:36:54,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:36:54,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:36:54,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:36:54,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:36:54,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 16:36:54,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:36:54,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:36:54,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:36:54,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:36:54,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:36:54,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 16:36:54,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:36:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:36:54,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:36:54,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:36:54,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:36:54,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:36:54,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 16:36:54,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:36:54,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:36:54,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:36:54,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:36:54,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:36:54,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 16:36:54,482 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 16:36:54,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2055391100] [2020-10-29 16:36:54,485 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:36:54,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 16:36:54,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148225809] [2020-10-29 16:36:54,491 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 16:36:54,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:36:54,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 16:36:54,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 16:36:54,508 INFO L87 Difference]: Start difference. First operand 1815 states. Second operand 4 states. [2020-10-29 16:37:10,543 WARN L193 SmtUtils]: Spent 13.57 s on a formula simplification that was a NOOP. DAG size: 1566 [2020-10-29 16:38:01,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:38:01,939 INFO L93 Difference]: Finished difference Result 2612 states and 3996 transitions. [2020-10-29 16:38:01,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 16:38:01,941 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-10-29 16:38:01,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:38:01,975 INFO L225 Difference]: With dead ends: 2612 [2020-10-29 16:38:01,975 INFO L226 Difference]: Without dead ends: 1465 [2020-10-29 16:38:01,997 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 27.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 16:38:02,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1465 states. [2020-10-29 16:38:03,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1465 to 1152. [2020-10-29 16:38:03,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1152 states. [2020-10-29 16:38:03,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1152 states and 1578 transitions. [2020-10-29 16:38:03,139 INFO L78 Accepts]: Start accepts. Automaton has 1152 states and 1578 transitions. Word has length 31 [2020-10-29 16:38:03,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:38:03,139 INFO L481 AbstractCegarLoop]: Abstraction has 1152 states and 1578 transitions. [2020-10-29 16:38:03,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 16:38:03,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1578 transitions. [2020-10-29 16:38:03,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-29 16:38:03,141 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:38:03,141 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] [2020-10-29 16:38:03,141 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 16:38:03,141 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:38:03,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:38:03,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1328720852, now seen corresponding path program 1 times [2020-10-29 16:38:03,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:38:03,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1702865247] [2020-10-29 16:38:03,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:38:03,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:03,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:08,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:38:08,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-29 16:38:08,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:38:08,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-29 16:38:08,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:38:08,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:38:08,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:38:08,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 16:38:08,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-29 16:38:08,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:38:22,206 WARN L193 SmtUtils]: Spent 13.52 s on a formula simplification that was a NOOP. DAG size: 1564 [2020-10-29 16:38:22,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:38:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:22,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:26,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:38:26,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:38:26,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:38:26,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4488 [2020-10-29 16:38:26,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:38:26,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:38:26,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:38:26,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:38:26,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:38:26,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 16:38:27,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:38:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:27,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:27,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:38:27,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 16:38:27,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:38:27,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 16:38:27,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:38:27,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:38:27,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:38:27,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:38:27,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 16:38:27,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:38:27,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 16:38:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:27,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:27,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:38:27,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-29 16:38:27,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:38:27,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 16:38:27,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:38:27,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:38:27,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:38:27,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:38:27,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-29 16:38:27,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:38:27,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:38:27,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:27,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:27,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:38:27,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:38:27,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:38:27,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 16:38:27,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:38:27,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:38:27,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:38:27,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:38:27,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:38:27,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:38:27,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:38:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:38:27,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:38:27,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:38:27,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:38:27,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:38:27,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 16:38:27,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:38:27,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:38:27,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:38:27,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:38:27,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:38:27,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 16:38:27,286 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 16:38:27,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1702865247] [2020-10-29 16:38:27,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:38:27,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 16:38:27,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199739515] [2020-10-29 16:38:27,289 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 16:38:27,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:38:27,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 16:38:27,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 16:38:27,291 INFO L87 Difference]: Start difference. First operand 1152 states and 1578 transitions. Second operand 4 states. [2020-10-29 16:38:43,216 WARN L193 SmtUtils]: Spent 13.54 s on a formula simplification that was a NOOP. DAG size: 1566 [2020-10-29 16:39:33,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:39:33,684 INFO L93 Difference]: Finished difference Result 1465 states and 2075 transitions. [2020-10-29 16:39:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 16:39:33,685 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-10-29 16:39:33,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:39:33,686 INFO L225 Difference]: With dead ends: 1465 [2020-10-29 16:39:33,686 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 16:39:33,692 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 27.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 16:39:33,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 16:39:33,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 16:39:33,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 16:39:33,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 16:39:33,694 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2020-10-29 16:39:33,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:39:33,694 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 16:39:33,694 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 16:39:33,694 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 16:39:33,694 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 16:39:33,695 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 16:39:33,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 16:39:34,784 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:35,443 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:35,954 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:36,387 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:36,858 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:37,308 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:37,769 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:38,206 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:38,637 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:39,057 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:39,495 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:39,920 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:40,387 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:40,820 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:41,264 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:41,715 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:42,145 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:42,591 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:43,040 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 1571 DAG size of output: 6 [2020-10-29 16:39:43,767 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 1571 DAG size of output: 6 [2020-10-29 16:39:44,389 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 1571 DAG size of output: 6 [2020-10-29 16:39:44,822 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 1571 DAG size of output: 6 [2020-10-29 16:39:45,310 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:45,784 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:46,224 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:46,687 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:47,122 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:47,568 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:48,001 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:48,437 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:48,873 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:49,310 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:49,760 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:50,195 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:50,628 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:51,074 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:51,513 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:51,943 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:52,317 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 1571 DAG size of output: 6 [2020-10-29 16:39:52,684 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 1571 DAG size of output: 6 [2020-10-29 16:39:53,048 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 1571 DAG size of output: 6 [2020-10-29 16:39:53,486 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:53,918 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:54,351 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-29 16:39:54,785 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 1567