/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-media-video-msp3400.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 21:50:35,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 21:50:35,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 21:50:35,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 21:50:35,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 21:50:35,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 21:50:35,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 21:50:35,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 21:50:35,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 21:50:35,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 21:50:35,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 21:50:35,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 21:50:35,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 21:50:35,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 21:50:35,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 21:50:35,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 21:50:35,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 21:50:35,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 21:50:35,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 21:50:35,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 21:50:35,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 21:50:35,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 21:50:35,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 21:50:35,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 21:50:35,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 21:50:35,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 21:50:35,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 21:50:35,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 21:50:35,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 21:50:35,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 21:50:35,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 21:50:35,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 21:50:35,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 21:50:35,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 21:50:35,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 21:50:35,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 21:50:35,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 21:50:35,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 21:50:35,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 21:50:35,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 21:50:35,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 21:50:35,495 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-28 21:50:35,546 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 21:50:35,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 21:50:35,549 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 21:50:35,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 21:50:35,550 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 21:50:35,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 21:50:35,550 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 21:50:35,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 21:50:35,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 21:50:35,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 21:50:35,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 21:50:35,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 21:50:35,552 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 21:50:35,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 21:50:35,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 21:50:35,552 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 21:50:35,552 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 21:50:35,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 21:50:35,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 21:50:35,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 21:50:35,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 21:50:35,553 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 21:50:35,554 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 21:50:35,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 21:50:35,554 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 21:50:35,554 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 21:50:35,554 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 21:50:35,555 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 21:50:35,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 21:50:35,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 21:50:35,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 21:50:35,940 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 21:50:35,945 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 21:50:35,946 INFO L432 ainManager$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 [2020-10-28 21:50:36,039 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5d740afd5/ed8c5981d7f14cb08001b2c564105ca9/FLAG391d30169 [2020-10-28 21:50:37,115 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 21:50:37,116 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 [2020-10-28 21:50:37,170 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5d740afd5/ed8c5981d7f14cb08001b2c564105ca9/FLAG391d30169 [2020-10-28 21:50:37,528 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5d740afd5/ed8c5981d7f14cb08001b2c564105ca9 [2020-10-28 21:50:37,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 21:50:37,542 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 21:50:37,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 21:50:37,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 21:50:37,552 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 21:50:37,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:50:37" (1/1) ... [2020-10-28 21:50:37,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bd1749f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:37, skipping insertion in model container [2020-10-28 21:50:37,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:50:37" (1/1) ... [2020-10-28 21:50:37,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 21:50:37,770 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 21:50:39,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 21:50:40,033 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 21:50:40,625 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 21:50:40,959 INFO L208 MainTranslator]: Completed translation [2020-10-28 21:50:40,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:40 WrapperNode [2020-10-28 21:50:40,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 21:50:40,961 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 21:50:40,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 21:50:40,962 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 21:50:40,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:40" (1/1) ... [2020-10-28 21:50:40,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:40" (1/1) ... [2020-10-28 21:50:41,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:40" (1/1) ... [2020-10-28 21:50:41,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:40" (1/1) ... [2020-10-28 21:50:41,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:40" (1/1) ... [2020-10-28 21:50:41,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:40" (1/1) ... [2020-10-28 21:50:41,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:40" (1/1) ... [2020-10-28 21:50:41,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 21:50:41,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 21:50:41,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 21:50:41,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 21:50:41,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:40" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 21:50:41,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 21:50:41,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 21:50:41,514 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 21:50:41,514 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-28 21:50:41,514 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-28 21:50:41,514 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-28 21:50:41,515 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2020-10-28 21:50:41,515 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-28 21:50:41,515 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-28 21:50:41,515 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2020-10-28 21:50:41,515 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2020-10-28 21:50:41,515 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_add_driver [2020-10-28 21:50:41,516 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_adapter_id [2020-10-28 21:50:41,516 INFO L138 BoogieDeclarations]: Found implementation of procedure freezing [2020-10-28 21:50:41,516 INFO L138 BoogieDeclarations]: Found implementation of procedure try_to_freeze [2020-10-28 21:50:41,516 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2020-10-28 21:50:41,516 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_lock [2020-10-28 21:50:41,516 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_unlock [2020-10-28 21:50:41,517 INFO L138 BoogieDeclarations]: Found implementation of procedure to_state [2020-10-28 21:50:41,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_to_state [2020-10-28 21:50:41,517 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_reset [2020-10-28 21:50:41,517 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_read [2020-10-28 21:50:41,517 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_read_dem [2020-10-28 21:50:41,517 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_read_dsp [2020-10-28 21:50:41,518 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_write [2020-10-28 21:50:41,518 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_write_dem [2020-10-28 21:50:41,518 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_write_dsp [2020-10-28 21:50:41,518 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_set_scart [2020-10-28 21:50:41,518 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_wake_thread [2020-10-28 21:50:41,518 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_sleep [2020-10-28 21:50:41,519 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_s_ctrl [2020-10-28 21:50:41,519 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_update_volume [2020-10-28 21:50:41,519 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_s_radio [2020-10-28 21:50:41,519 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_s_frequency [2020-10-28 21:50:41,519 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_s_std [2020-10-28 21:50:41,519 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_s_routing [2020-10-28 21:50:41,519 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_g_tuner [2020-10-28 21:50:41,520 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_s_tuner [2020-10-28 21:50:41,520 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_s_i2s_clock_freq [2020-10-28 21:50:41,520 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_g_chip_ident [2020-10-28 21:50:41,520 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_log_status [2020-10-28 21:50:41,520 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_suspend [2020-10-28 21:50:41,520 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_resume [2020-10-28 21:50:41,521 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_probe [2020-10-28 21:50:41,521 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_remove [2020-10-28 21:50:41,521 INFO L138 BoogieDeclarations]: Found implementation of procedure init_msp [2020-10-28 21:50:41,521 INFO L138 BoogieDeclarations]: Found implementation of procedure exit_msp [2020-10-28 21:50:41,521 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2020-10-28 21:50:41,521 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2020-10-28 21:50:41,521 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 21:50:41,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2020-10-28 21:50:41,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2020-10-28 21:50:41,522 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2020-10-28 21:50:41,522 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2020-10-28 21:50:41,522 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-28 21:50:41,522 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-28 21:50:41,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 21:50:41,523 INFO L138 BoogieDeclarations]: Found implementation of procedure set_freezable [2020-10-28 21:50:41,523 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_standard_std_name [2020-10-28 21:50:41,523 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_set_source [2020-10-28 21:50:41,523 INFO L138 BoogieDeclarations]: Found implementation of procedure msp3400c_set_carrier [2020-10-28 21:50:41,523 INFO L138 BoogieDeclarations]: Found implementation of procedure msp3400c_set_mode [2020-10-28 21:50:41,523 INFO L138 BoogieDeclarations]: Found implementation of procedure msp3400c_set_audmode [2020-10-28 21:50:41,524 INFO L138 BoogieDeclarations]: Found implementation of procedure msp3400c_print_mode [2020-10-28 21:50:41,524 INFO L138 BoogieDeclarations]: Found implementation of procedure msp3400c_detect_stereo [2020-10-28 21:50:41,524 INFO L138 BoogieDeclarations]: Found implementation of procedure watch_stereo [2020-10-28 21:50:41,524 INFO L138 BoogieDeclarations]: Found implementation of procedure msp3400c_thread [2020-10-28 21:50:41,524 INFO L138 BoogieDeclarations]: Found implementation of procedure msp3410d_thread [2020-10-28 21:50:41,524 INFO L138 BoogieDeclarations]: Found implementation of procedure msp34xxg_modus [2020-10-28 21:50:41,524 INFO L138 BoogieDeclarations]: Found implementation of procedure msp34xxg_set_source [2020-10-28 21:50:41,525 INFO L138 BoogieDeclarations]: Found implementation of procedure msp34xxg_set_sources [2020-10-28 21:50:41,525 INFO L138 BoogieDeclarations]: Found implementation of procedure msp34xxg_reset [2020-10-28 21:50:41,525 INFO L138 BoogieDeclarations]: Found implementation of procedure msp34xxg_thread [2020-10-28 21:50:41,525 INFO L138 BoogieDeclarations]: Found implementation of procedure msp34xxg_detect_stereo [2020-10-28 21:50:41,525 INFO L138 BoogieDeclarations]: Found implementation of procedure msp34xxg_set_audmode [2020-10-28 21:50:41,525 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_set_audmode [2020-10-28 21:50:41,526 INFO L138 BoogieDeclarations]: Found implementation of procedure msp_detect_stereo [2020-10-28 21:50:41,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-28 21:50:41,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 21:50:41,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-28 21:50:41,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-28 21:50:41,526 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2020-10-28 21:50:41,526 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-28 21:50:41,527 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2020-10-28 21:50:41,527 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2020-10-28 21:50:41,527 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2020-10-28 21:50:41,527 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2020-10-28 21:50:41,527 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_create_on_node [2020-10-28 21:50:41,527 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2020-10-28 21:50:41,527 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2020-10-28 21:50:41,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-28 21:50:41,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 21:50:41,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2020-10-28 21:50:41,528 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2020-10-28 21:50:41,528 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-28 21:50:41,528 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-28 21:50:41,528 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-28 21:50:41,529 INFO L138 BoogieDeclarations]: Found implementation of procedure refrigerator [2020-10-28 21:50:41,529 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2020-10-28 21:50:41,529 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-10-28 21:50:41,529 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2020-10-28 21:50:41,529 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2020-10-28 21:50:41,529 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_chip_ident_i2c_client [2020-10-28 21:50:41,529 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_cluster [2020-10-28 21:50:41,530 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2020-10-28 21:50:41,530 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_init [2020-10-28 21:50:41,530 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_log_status [2020-10-28 21:50:41,530 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_setup [2020-10-28 21:50:41,530 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2020-10-28 21:50:41,530 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister_subdev [2020-10-28 21:50:41,530 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_i2c_subdev_init [2020-10-28 21:50:41,531 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2020-10-28 21:50:41,531 INFO L138 BoogieDeclarations]: Found implementation of procedure default_wake_function [2020-10-28 21:50:41,531 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 21:50:41,531 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 21:50:41,531 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 21:50:41,532 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 21:50:41,532 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 21:50:41,532 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 21:50:41,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 21:50:41,532 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-28 21:50:41,532 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-28 21:50:41,532 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-28 21:50:41,532 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-28 21:50:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-28 21:50:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2020-10-28 21:50:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2020-10-28 21:50:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-28 21:50:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2020-10-28 21:50:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure default_wake_function [2020-10-28 21:50:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-28 21:50:41,534 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2020-10-28 21:50:41,534 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2020-10-28 21:50:41,534 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-28 21:50:41,534 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-28 21:50:41,534 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-28 21:50:41,534 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2020-10-28 21:50:41,534 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 21:50:41,535 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2020-10-28 21:50:41,535 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2020-10-28 21:50:41,535 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-28 21:50:41,535 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-28 21:50:41,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 21:50:41,535 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-28 21:50:41,536 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-28 21:50:41,536 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2020-10-28 21:50:41,536 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-10-28 21:50:41,536 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2020-10-28 21:50:41,536 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2020-10-28 21:50:41,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 21:50:41,536 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2020-10-28 21:50:41,536 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2020-10-28 21:50:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2020-10-28 21:50:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2020-10-28 21:50:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2020-10-28 21:50:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_add_driver [2020-10-28 21:50:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_adapter_id [2020-10-28 21:50:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 21:50:41,537 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_create_on_node [2020-10-28 21:50:41,538 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2020-10-28 21:50:41,538 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2020-10-28 21:50:41,538 INFO L130 BoogieDeclarations]: Found specification of procedure freezing [2020-10-28 21:50:41,538 INFO L130 BoogieDeclarations]: Found specification of procedure refrigerator [2020-10-28 21:50:41,538 INFO L130 BoogieDeclarations]: Found specification of procedure try_to_freeze [2020-10-28 21:50:41,538 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_chip_ident_i2c_client [2020-10-28 21:50:41,538 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_i2c_subdev_init [2020-10-28 21:50:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2020-10-28 21:50:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister_subdev [2020-10-28 21:50:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_init [2020-10-28 21:50:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2020-10-28 21:50:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_setup [2020-10-28 21:50:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_log_status [2020-10-28 21:50:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2020-10-28 21:50:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_cluster [2020-10-28 21:50:41,540 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_lock [2020-10-28 21:50:41,540 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_unlock [2020-10-28 21:50:41,540 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_queryctrl [2020-10-28 21:50:41,540 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_querymenu [2020-10-28 21:50:41,540 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ext_ctrls [2020-10-28 21:50:41,540 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_try_ext_ctrls [2020-10-28 21:50:41,540 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ext_ctrls [2020-10-28 21:50:41,541 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ctrl [2020-10-28 21:50:41,541 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ctrl [2020-10-28 21:50:41,541 INFO L130 BoogieDeclarations]: Found specification of procedure to_state [2020-10-28 21:50:41,541 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_to_state [2020-10-28 21:50:41,541 INFO L130 BoogieDeclarations]: Found specification of procedure msp_write_dem [2020-10-28 21:50:41,541 INFO L130 BoogieDeclarations]: Found specification of procedure msp_write_dsp [2020-10-28 21:50:41,541 INFO L130 BoogieDeclarations]: Found specification of procedure msp_read_dem [2020-10-28 21:50:41,542 INFO L130 BoogieDeclarations]: Found specification of procedure msp_read_dsp [2020-10-28 21:50:41,542 INFO L130 BoogieDeclarations]: Found specification of procedure msp_reset [2020-10-28 21:50:41,542 INFO L130 BoogieDeclarations]: Found specification of procedure msp_set_scart [2020-10-28 21:50:41,542 INFO L130 BoogieDeclarations]: Found specification of procedure msp_update_volume [2020-10-28 21:50:41,542 INFO L130 BoogieDeclarations]: Found specification of procedure msp_sleep [2020-10-28 21:50:41,542 INFO L130 BoogieDeclarations]: Found specification of procedure msp_standard_std_name [2020-10-28 21:50:41,542 INFO L130 BoogieDeclarations]: Found specification of procedure msp_set_audmode [2020-10-28 21:50:41,542 INFO L130 BoogieDeclarations]: Found specification of procedure msp_detect_stereo [2020-10-28 21:50:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure msp3400c_thread [2020-10-28 21:50:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure msp3410d_thread [2020-10-28 21:50:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure msp34xxg_thread [2020-10-28 21:50:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure msp3400c_set_mode [2020-10-28 21:50:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure msp3400c_set_carrier [2020-10-28 21:50:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 21:50:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 21:50:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 21:50:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure msp_read [2020-10-28 21:50:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure msp_write [2020-10-28 21:50:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure msp_wake_thread [2020-10-28 21:50:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure msp_s_ctrl [2020-10-28 21:50:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure msp_s_radio [2020-10-28 21:50:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure msp_s_frequency [2020-10-28 21:50:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure msp_s_std [2020-10-28 21:50:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure msp_s_routing [2020-10-28 21:50:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure msp_g_tuner [2020-10-28 21:50:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure msp_s_tuner [2020-10-28 21:50:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure msp_s_i2s_clock_freq [2020-10-28 21:50:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure msp_g_chip_ident [2020-10-28 21:50:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure msp_log_status [2020-10-28 21:50:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure msp_suspend [2020-10-28 21:50:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure msp_resume [2020-10-28 21:50:41,546 INFO L130 BoogieDeclarations]: Found specification of procedure msp_probe [2020-10-28 21:50:41,546 INFO L130 BoogieDeclarations]: Found specification of procedure msp_remove [2020-10-28 21:50:41,546 INFO L130 BoogieDeclarations]: Found specification of procedure init_msp [2020-10-28 21:50:41,546 INFO L130 BoogieDeclarations]: Found specification of procedure exit_msp [2020-10-28 21:50:41,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 21:50:41,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-28 21:50:41,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 21:50:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 21:50:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 21:50:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2020-10-28 21:50:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2020-10-28 21:50:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-28 21:50:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-28 21:50:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2020-10-28 21:50:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2020-10-28 21:50:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2020-10-28 21:50:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure set_freezable [2020-10-28 21:50:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure msp_set_source [2020-10-28 21:50:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure msp3400c_set_audmode [2020-10-28 21:50:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure msp3400c_print_mode [2020-10-28 21:50:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure msp3400c_detect_stereo [2020-10-28 21:50:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure watch_stereo [2020-10-28 21:50:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure msp34xxg_modus [2020-10-28 21:50:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure msp34xxg_set_source [2020-10-28 21:50:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure msp34xxg_set_sources [2020-10-28 21:50:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure msp34xxg_reset [2020-10-28 21:50:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure msp34xxg_detect_stereo [2020-10-28 21:50:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure msp34xxg_set_audmode [2020-10-28 21:50:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-28 21:50:41,550 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 21:50:41,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 21:50:41,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 21:50:41,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 21:50:41,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-28 21:50:41,550 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 21:50:41,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 21:50:41,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 21:50:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 21:50:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 21:50:43,326 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 21:50:43,579 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##52: assume !false; [2020-10-28 21:50:43,580 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##51: assume false; [2020-10-28 21:50:43,592 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 21:50:43,595 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 21:50:44,009 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##97: assume !false; [2020-10-28 21:50:44,009 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##96: assume false; [2020-10-28 21:50:44,009 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##135: assume !false; [2020-10-28 21:50:44,010 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##134: assume false; [2020-10-28 21:50:44,170 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 21:50:44,178 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-10-28 21:50:44,179 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-10-28 21:50:44,181 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 21:50:44,343 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##50: assume false; [2020-10-28 21:50:44,343 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##51: assume !false; [2020-10-28 21:50:44,779 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 21:50:44,885 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##23: assume !false; [2020-10-28 21:50:44,886 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##22: assume false; [2020-10-28 21:50:44,889 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 21:50:44,940 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2020-10-28 21:50:44,940 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2020-10-28 21:50:45,007 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2020-10-28 21:50:45,068 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 21:50:45,107 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-10-28 21:50:45,107 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-10-28 21:50:45,403 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 21:50:45,428 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2020-10-28 21:50:45,429 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2020-10-28 21:50:56,445 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 21:50:56,504 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2020-10-28 21:50:56,505 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2020-10-28 21:50:56,528 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 21:50:56,661 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-10-28 21:50:56,661 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-10-28 21:50:58,959 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 21:50:58,960 INFO L298 CfgBuilder]: Removed 95 assume(true) statements. [2020-10-28 21:50:58,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:50:58 BoogieIcfgContainer [2020-10-28 21:50:58,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 21:50:58,968 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 21:50:58,968 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 21:50:58,974 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 21:50:58,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:50:37" (1/3) ... [2020-10-28 21:50:58,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2489635b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:50:58, skipping insertion in model container [2020-10-28 21:50:58,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:50:40" (2/3) ... [2020-10-28 21:50:58,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2489635b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:50:58, skipping insertion in model container [2020-10-28 21:50:58,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:50:58" (3/3) ... [2020-10-28 21:50:58,978 INFO L111 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-media-video-msp3400.ko.cil.out.i [2020-10-28 21:50:58,990 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 21:50:58,997 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 21:50:59,010 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 21:50:59,045 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 21:50:59,045 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 21:50:59,045 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 21:50:59,045 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 21:50:59,045 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 21:50:59,045 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 21:50:59,046 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 21:50:59,046 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 21:50:59,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states. [2020-10-28 21:50:59,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-28 21:50:59,106 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:50:59,107 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] [2020-10-28 21:50:59,108 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:50:59,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:50:59,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1868614742, now seen corresponding path program 1 times [2020-10-28 21:50:59,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:50:59,124 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1490978074] [2020-10-28 21:50:59,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:51:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:51:00,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:51:07,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:51:07,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-28 21:51:07,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:51:07,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7166 [2020-10-28 21:51:07,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:51:07,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:51:07,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:51:07,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 21:51:07,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-28 21:51:07,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 21:51:22,194 WARN L193 SmtUtils]: Spent 14.40 s on a formula simplification that was a NOOP. DAG size: 1564 [2020-10-28 21:51:22,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:51:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:51:22,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:51:27,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:51:27,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:51:27,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:51:27,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4952 [2020-10-28 21:51:27,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:51:27,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:51:27,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:51:27,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:51:27,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 21:51:27,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:51:27,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:51:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:51:27,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:51:27,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:51:27,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:51:27,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:51:27,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 21:51:27,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:51:27,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:51:27,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:51:27,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:51:27,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 21:51:27,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:51:27,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 21:51:27,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:51:27,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:51:27,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:51:27,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-28 21:51:27,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:51:27,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-28 21:51:27,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:51:27,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:51:27,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:51:27,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:51:27,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 21:51:27,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:51:27,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:51:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:51:27,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:51:27,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:51:27,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 21:51:27,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:51:27,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 21:51:27,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:51:27,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:51:27,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:51:27,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:51:27,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:51:27,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 21:51:27,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:51:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:51:27,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:51:27,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:51:27,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:51:27,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:51:27,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 21:51:27,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:51:27,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:51:27,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:51:27,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:51:27,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:51:27,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 21:51:27,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 21:51:27,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1490978074] [2020-10-28 21:51:27,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:51:27,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 21:51:27,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840240159] [2020-10-28 21:51:27,772 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 21:51:27,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:51:27,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 21:51:27,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 21:51:27,796 INFO L87 Difference]: Start difference. First operand 1815 states. Second operand 4 states. [2020-10-28 21:51:44,746 WARN L193 SmtUtils]: Spent 14.54 s on a formula simplification that was a NOOP. DAG size: 1566 [2020-10-28 21:52:40,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:52:40,838 INFO L93 Difference]: Finished difference Result 2612 states and 3996 transitions. [2020-10-28 21:52:40,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 21:52:40,840 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-10-28 21:52:40,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:52:40,894 INFO L225 Difference]: With dead ends: 2612 [2020-10-28 21:52:40,894 INFO L226 Difference]: Without dead ends: 1465 [2020-10-28 21:52:40,909 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 29.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 21:52:40,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1465 states. [2020-10-28 21:52:41,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1465 to 1152. [2020-10-28 21:52:41,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1152 states. [2020-10-28 21:52:41,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1152 states and 1578 transitions. [2020-10-28 21:52:41,996 INFO L78 Accepts]: Start accepts. Automaton has 1152 states and 1578 transitions. Word has length 31 [2020-10-28 21:52:41,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:52:41,997 INFO L481 AbstractCegarLoop]: Abstraction has 1152 states and 1578 transitions. [2020-10-28 21:52:41,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 21:52:41,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1578 transitions. [2020-10-28 21:52:41,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-28 21:52:41,998 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:52:41,999 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] [2020-10-28 21:52:41,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 21:52:41,999 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:52:42,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:52:42,000 INFO L82 PathProgramCache]: Analyzing trace with hash 1328720852, now seen corresponding path program 1 times [2020-10-28 21:52:42,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:52:42,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [514756994] [2020-10-28 21:52:42,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:52:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:52:42,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:52:47,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:52:47,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-28 21:52:47,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:52:47,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5644 [2020-10-28 21:52:47,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:52:47,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:52:47,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:52:47,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 21:52:47,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-28 21:52:47,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:53:02,780 WARN L193 SmtUtils]: Spent 14.53 s on a formula simplification that was a NOOP. DAG size: 1564 [2020-10-28 21:53:02,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:53:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:53:03,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:53:07,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:53:07,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:53:07,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:53:07,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4539 [2020-10-28 21:53:07,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:53:07,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:53:07,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:53:07,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:53:07,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 21:53:07,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:53:07,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:53:07,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:53:07,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:53:07,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:53:07,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:53:07,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:53:07,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 21:53:07,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:53:07,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:53:07,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:53:07,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:53:07,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 21:53:07,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:53:07,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 21:53:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:53:07,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:53:07,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:53:07,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-28 21:53:07,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:53:07,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 21:53:07,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:53:07,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:53:07,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:53:07,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:53:07,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 21:53:07,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:53:07,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:53:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:53:07,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:53:07,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:53:07,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 21:53:07,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:53:07,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 21:53:07,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:53:07,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:53:07,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:53:07,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:53:07,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:53:07,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:53:07,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:53:07,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:53:07,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:53:07,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:53:07,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:53:07,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:53:07,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 21:53:07,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:53:07,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:53:07,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:53:07,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:53:07,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:53:07,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 21:53:07,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 21:53:07,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [514756994] [2020-10-28 21:53:07,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:53:07,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 21:53:07,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057854459] [2020-10-28 21:53:07,982 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 21:53:07,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:53:07,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 21:53:07,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 21:53:07,985 INFO L87 Difference]: Start difference. First operand 1152 states and 1578 transitions. Second operand 4 states. [2020-10-28 21:53:24,770 WARN L193 SmtUtils]: Spent 14.44 s on a formula simplification that was a NOOP. DAG size: 1566 [2020-10-28 21:54:19,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:54:19,155 INFO L93 Difference]: Finished difference Result 1465 states and 2075 transitions. [2020-10-28 21:54:19,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 21:54:19,155 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-10-28 21:54:19,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:54:19,156 INFO L225 Difference]: With dead ends: 1465 [2020-10-28 21:54:19,156 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 21:54:19,163 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 29.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 21:54:19,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 21:54:19,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 21:54:19,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 21:54:19,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 21:54:19,164 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2020-10-28 21:54:19,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:54:19,164 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 21:54:19,164 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 21:54:19,165 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 21:54:19,165 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 21:54:19,165 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 21:54:19,167 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 21:54:20,376 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-28 21:54:21,002 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-28 21:54:21,500 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-28 21:54:21,953 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-28 21:54:22,402 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-28 21:54:22,868 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-28 21:54:23,410 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-28 21:54:23,839 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-28 21:54:24,256 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-28 21:54:24,733 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-28 21:54:25,161 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 1567 [2020-10-28 21:54:25,609 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 1567