/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-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 21:46:01,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 21:46:01,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 21:46:01,074 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 21:46:01,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 21:46:01,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 21:46:01,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 21:46:01,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 21:46:01,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 21:46:01,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 21:46:01,098 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 21:46:01,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 21:46:01,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 21:46:01,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 21:46:01,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 21:46:01,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 21:46:01,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 21:46:01,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 21:46:01,118 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 21:46:01,128 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 21:46:01,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 21:46:01,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 21:46:01,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 21:46:01,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 21:46:01,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 21:46:01,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 21:46:01,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 21:46:01,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 21:46:01,168 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 21:46:01,169 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 21:46:01,170 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 21:46:01,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 21:46:01,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 21:46:01,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 21:46:01,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 21:46:01,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 21:46:01,175 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 21:46:01,175 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 21:46:01,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 21:46:01,177 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 21:46:01,177 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 21:46:01,185 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 21:46:01,224 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 21:46:01,224 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 21:46:01,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 21:46:01,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 21:46:01,230 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 21:46:01,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 21:46:01,230 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 21:46:01,231 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 21:46:01,231 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 21:46:01,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 21:46:01,232 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 21:46:01,233 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 21:46:01,233 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 21:46:01,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 21:46:01,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 21:46:01,234 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 21:46:01,234 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 21:46:01,234 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 21:46:01,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 21:46:01,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 21:46:01,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 21:46:01,235 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 21:46:01,235 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 21:46:01,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 21:46:01,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 21:46:01,236 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 21:46:01,236 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-29 21:46:01,236 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 21:46:01,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 21:46:01,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 21:46:01,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 21:46:01,692 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 21:46:01,693 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 21:46:01,694 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i [2020-10-29 21:46:01,786 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c7a860e61/9fcbe8c8f3d94d4b83ee856e7f05a1c3/FLAGcc028b9e0 [2020-10-29 21:46:02,851 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 21:46:02,852 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i [2020-10-29 21:46:02,903 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c7a860e61/9fcbe8c8f3d94d4b83ee856e7f05a1c3/FLAGcc028b9e0 [2020-10-29 21:46:03,311 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c7a860e61/9fcbe8c8f3d94d4b83ee856e7f05a1c3 [2020-10-29 21:46:03,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 21:46:03,325 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 21:46:03,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 21:46:03,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 21:46:03,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 21:46:03,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:46:03" (1/1) ... [2020-10-29 21:46:03,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24ef72b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:46:03, skipping insertion in model container [2020-10-29 21:46:03,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:46:03" (1/1) ... [2020-10-29 21:46:03,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 21:46:03,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 21:46:04,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 21:46:04,985 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 21:46:05,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 21:46:05,669 INFO L208 MainTranslator]: Completed translation [2020-10-29 21:46:05,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:46:05 WrapperNode [2020-10-29 21:46:05,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 21:46:05,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 21:46:05,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 21:46:05,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 21:46:05,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:46:05" (1/1) ... [2020-10-29 21:46:05,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:46:05" (1/1) ... [2020-10-29 21:46:05,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:46:05" (1/1) ... [2020-10-29 21:46:05,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:46:05" (1/1) ... [2020-10-29 21:46:05,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:46:05" (1/1) ... [2020-10-29 21:46:05,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:46:05" (1/1) ... [2020-10-29 21:46:05,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:46:05" (1/1) ... [2020-10-29 21:46:05,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 21:46:05,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 21:46:05,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 21:46:05,999 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 21:46:06,000 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:46:05" (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 21:46:06,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 21:46:06,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 21:46:06,087 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 21:46:06,087 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2020-10-29 21:46:06,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-29 21:46:06,088 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-29 21:46:06,089 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-29 21:46:06,090 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-29 21:46:06,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-29 21:46:06,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-29 21:46:06,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-29 21:46:06,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-29 21:46:06,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-29 21:46:06,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-29 21:46:06,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-29 21:46:06,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-29 21:46:06,093 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-10-29 21:46:06,095 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-29 21:46:06,095 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-10-29 21:46:06,096 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2020-10-29 21:46:06,096 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_add_driver [2020-10-29 21:46:06,096 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_is_valid [2020-10-29 21:46:06,096 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2020-10-29 21:46:06,096 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2020-10-29 21:46:06,097 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_dev [2020-10-29 21:46:06,097 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_usecs [2020-10-29 21:46:06,097 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_handler [2020-10-29 21:46:06,097 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_send_command [2020-10-29 21:46:06,097 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_read_property [2020-10-29 21:46:06,097 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_property [2020-10-29 21:46:06,098 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_powerup [2020-10-29 21:46:06,098 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_powerdown [2020-10-29 21:46:06,098 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_checkrev [2020-10-29 21:46:06,098 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_wait_stc [2020-10-29 21:46:06,098 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_tune_freq [2020-10-29 21:46:06,098 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_tune_power [2020-10-29 21:46:06,099 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_tune_measure [2020-10-29 21:46:06,099 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_tune_status [2020-10-29 21:46:06,099 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_rds_buff [2020-10-29 21:46:06,099 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_rds_ps [2020-10-29 21:46:06,099 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_power_state [2020-10-29 21:46:06,099 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_mute [2020-10-29 21:46:06,100 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_ps_name [2020-10-29 21:46:06,100 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_radio_text [2020-10-29 21:46:06,100 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_choose_econtrol_action [2020-10-29 21:46:06,100 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_string [2020-10-29 21:46:06,100 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_range [2020-10-29 21:46:06,100 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_tune [2020-10-29 21:46:06,101 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_integers [2020-10-29 21:46:06,101 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_setup [2020-10-29 21:46:06,101 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_initialize [2020-10-29 21:46:06,101 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_read_econtrol_string [2020-10-29 21:46:06,101 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_update_tune_status [2020-10-29 21:46:06,101 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_read_econtrol_tune [2020-10-29 21:46:06,102 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_read_econtrol_integers [2020-10-29 21:46:06,102 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_ext_ctrls [2020-10-29 21:46:06,102 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_g_ext_ctrls [2020-10-29 21:46:06,103 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_queryctrl [2020-10-29 21:46:06,103 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_g_ctrl [2020-10-29 21:46:06,103 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_ctrl [2020-10-29 21:46:06,104 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_ioctl [2020-10-29 21:46:06,104 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_g_modulator [2020-10-29 21:46:06,104 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_modulator [2020-10-29 21:46:06,104 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_g_frequency [2020-10-29 21:46:06,104 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_frequency [2020-10-29 21:46:06,105 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_probe [2020-10-29 21:46:06,105 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_remove [2020-10-29 21:46:06,105 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_module_init [2020-10-29 21:46:06,105 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_module_exit [2020-10-29 21:46:06,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_i2c_driver_2 [2020-10-29 21:46:06,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_v4l2_subdev_core_ops_4 [2020-10-29 21:46:06,106 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2020-10-29 21:46:06,106 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2020-10-29 21:46:06,107 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2020-10-29 21:46:06,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2020-10-29 21:46:06,109 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2020-10-29 21:46:06,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_v4l2_subdev_tuner_ops_3 [2020-10-29 21:46:06,110 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 21:46:06,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2020-10-29 21:46:06,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_to_user_2 [2020-10-29 21:46:06,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___copy_user_nocache_3 [2020-10-29 21:46:06,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___copy_user_nocache_4 [2020-10-29 21:46:06,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2020-10-29 21:46:06,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_9 [2020-10-29 21:46:06,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_10 [2020-10-29 21:46:06,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_11 [2020-10-29 21:46:06,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-10-29 21:46:06,113 INFO L138 BoogieDeclarations]: Found implementation of procedure strlen [2020-10-29 21:46:06,113 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2020-10-29 21:46:06,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2020-10-29 21:46:06,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_ret_val [2020-10-29 21:46:06,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-29 21:46:06,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_user_nocache [2020-10-29 21:46:06,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __gpio_set_value [2020-10-29 21:46:06,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-29 21:46:06,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-29 21:46:06,115 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2020-10-29 21:46:06,115 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-29 21:46:06,115 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2020-10-29 21:46:06,115 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-29 21:46:06,115 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-29 21:46:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-10-29 21:46:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_direction_output [2020-10-29 21:46:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_free [2020-10-29 21:46:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_request [2020-10-29 21:46:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2020-10-29 21:46:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_recv [2020-10-29 21:46:06,117 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2020-10-29 21:46:06,117 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2020-10-29 21:46:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-29 21:46:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-29 21:46:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-29 21:46:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-10-29 21:46:06,119 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-29 21:46:06,120 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-29 21:46:06,120 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-29 21:46:06,120 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_disable [2020-10-29 21:46:06,121 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_enable [2020-10-29 21:46:06,121 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_free [2020-10-29 21:46:06,121 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_get [2020-10-29 21:46:06,121 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2020-10-29 21:46:06,121 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2020-10-29 21:46:06,121 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2020-10-29 21:46:06,122 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_query_fill [2020-10-29 21:46:06,122 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister_subdev [2020-10-29 21:46:06,122 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_i2c_subdev_init [2020-10-29 21:46:06,122 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2020-10-29 21:46:06,122 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2020-10-29 21:46:06,122 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-29 21:46:06,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-29 21:46:06,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-29 21:46:06,124 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-29 21:46:06,125 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 21:46:06,126 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 21:46:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 21:46:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 21:46:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 21:46:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 21:46:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-29 21:46:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-29 21:46:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2020-10-29 21:46:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-29 21:46:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-29 21:46:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-29 21:46:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-10-29 21:46:06,139 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2020-10-29 21:46:06,139 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2020-10-29 21:46:06,139 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-29 21:46:06,139 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-29 21:46:06,140 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-29 21:46:06,140 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-29 21:46:06,141 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2020-10-29 21:46:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2020-10-29 21:46:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 21:46:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 21:46:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2020-10-29 21:46:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2020-10-29 21:46:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2020-10-29 21:46:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-29 21:46:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-29 21:46:06,143 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-29 21:46:06,143 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-29 21:46:06,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-29 21:46:06,143 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-29 21:46:06,143 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 21:46:06,143 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-29 21:46:06,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 21:46:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-29 21:46:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-29 21:46:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-29 21:46:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 21:46:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-29 21:46:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-29 21:46:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-29 21:46:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-29 21:46:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-29 21:46:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-29 21:46:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_i2c_driver_2 [2020-10-29 21:46:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_v4l2_subdev_core_ops_4 [2020-10-29 21:46:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2020-10-29 21:46:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2020-10-29 21:46:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2020-10-29 21:46:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2020-10-29 21:46:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2020-10-29 21:46:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_v4l2_subdev_tuner_ops_3 [2020-10-29 21:46:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-29 21:46:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-10-29 21:46:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-29 21:46:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_to_user_2 [2020-10-29 21:46:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2020-10-29 21:46:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2020-10-29 21:46:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-10-29 21:46:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2020-10-29 21:46:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-29 21:46:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_user_nocache [2020-10-29 21:46:06,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___copy_user_nocache_3 [2020-10-29 21:46:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___copy_user_nocache_4 [2020-10-29 21:46:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2020-10-29 21:46:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-10-29 21:46:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_9 [2020-10-29 21:46:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-10-29 21:46:06,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_10 [2020-10-29 21:46:06,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_11 [2020-10-29 21:46:06,149 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-29 21:46:06,149 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-29 21:46:06,149 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2020-10-29 21:46:06,149 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_recv [2020-10-29 21:46:06,149 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2020-10-29 21:46:06,149 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2020-10-29 21:46:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2020-10-29 21:46:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_add_driver [2020-10-29 21:46:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_is_valid [2020-10-29 21:46:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_request [2020-10-29 21:46:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_free [2020-10-29 21:46:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_direction_output [2020-10-29 21:46:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure __gpio_set_value [2020-10-29 21:46:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2020-10-29 21:46:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_get [2020-10-29 21:46:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_enable [2020-10-29 21:46:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_disable [2020-10-29 21:46:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_free [2020-10-29 21:46:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_query_fill [2020-10-29 21:46:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_i2c_subdev_init [2020-10-29 21:46:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2020-10-29 21:46:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 21:46:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister_subdev [2020-10-29 21:46:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_dev [2020-10-29 21:46:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 21:46:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_usecs [2020-10-29 21:46:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_handler [2020-10-29 21:46:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_send_command [2020-10-29 21:46:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-29 21:46:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_read_property [2020-10-29 21:46:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_property [2020-10-29 21:46:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_powerup [2020-10-29 21:46:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_powerdown [2020-10-29 21:46:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_checkrev [2020-10-29 21:46:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_wait_stc [2020-10-29 21:46:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_tune_freq [2020-10-29 21:46:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_tune_power [2020-10-29 21:46:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_tune_measure [2020-10-29 21:46:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_tune_status [2020-10-29 21:46:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_rds_buff [2020-10-29 21:46:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_rds_ps [2020-10-29 21:46:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_power_state [2020-10-29 21:46:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_mute [2020-10-29 21:46:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_ps_name [2020-10-29 21:46:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-29 21:46:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_radio_text [2020-10-29 21:46:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_choose_econtrol_action [2020-10-29 21:46:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 21:46:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_queryctrl [2020-10-29 21:46:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_string [2020-10-29 21:46:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure validate_range [2020-10-29 21:46:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_tune [2020-10-29 21:46:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_integers [2020-10-29 21:46:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_frequency [2020-10-29 21:46:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_modulator [2020-10-29 21:46:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_setup [2020-10-29 21:46:06,157 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_initialize [2020-10-29 21:46:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_read_econtrol_string [2020-10-29 21:46:06,162 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_update_tune_status [2020-10-29 21:46:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_read_econtrol_tune [2020-10-29 21:46:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_read_econtrol_integers [2020-10-29 21:46:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_ext_ctrls [2020-10-29 21:46:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_g_ext_ctrls [2020-10-29 21:46:06,201 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_g_ctrl [2020-10-29 21:46:06,202 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_ctrl [2020-10-29 21:46:06,202 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_ioctl [2020-10-29 21:46:06,202 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_g_modulator [2020-10-29 21:46:06,202 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_g_frequency [2020-10-29 21:46:06,202 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_probe [2020-10-29 21:46:06,203 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_remove [2020-10-29 21:46:06,203 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_module_init [2020-10-29 21:46:06,203 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_module_exit [2020-10-29 21:46:06,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-29 21:46:06,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-29 21:46:06,204 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 21:46:06,204 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2020-10-29 21:46:06,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-10-29 21:46:06,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_ret_val [2020-10-29 21:46:06,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-29 21:46:06,204 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 21:46:06,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 21:46:06,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 21:46:06,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-29 21:46:06,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-29 21:46:06,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 21:46:06,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-29 21:46:06,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-29 21:46:06,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-29 21:46:07,553 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-29 21:46:12,805 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-10-29 21:46:16,570 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 21:46:16,571 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-29 21:46:16,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:46:16 BoogieIcfgContainer [2020-10-29 21:46:16,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 21:46:16,583 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 21:46:16,584 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 21:46:16,588 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 21:46:16,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 09:46:03" (1/3) ... [2020-10-29 21:46:16,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79023a8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:46:16, skipping insertion in model container [2020-10-29 21:46:16,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:46:05" (2/3) ... [2020-10-29 21:46:16,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79023a8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:46:16, skipping insertion in model container [2020-10-29 21:46:16,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:46:16" (3/3) ... [2020-10-29 21:46:16,591 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point.cil.out.i [2020-10-29 21:46:16,604 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 21:46:16,610 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 21:46:16,624 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 21:46:16,661 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 21:46:16,661 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 21:46:16,661 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 21:46:16,661 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 21:46:16,661 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 21:46:16,661 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 21:46:16,661 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 21:46:16,662 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 21:46:16,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states. [2020-10-29 21:46:16,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-29 21:46:16,802 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 21:46:16,803 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:46:16,803 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 21:46:16,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 21:46:16,811 INFO L82 PathProgramCache]: Analyzing trace with hash 2102962866, now seen corresponding path program 1 times [2020-10-29 21:46:16,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 21:46:16,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [178898598] [2020-10-29 21:46:16,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 21:46:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:46:17,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:46:17,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:46:19,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:46:22,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:46:22,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-29 21:46:22,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 21:46:22,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5171 [2020-10-29 21:46:22,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:46:22,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:46:22,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 21:46:22,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-29 21:46:22,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-29 21:46:22,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 21:46:24,930 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-29 21:46:24,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 21:46:24,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:46:24,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:46:25,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:46:25,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:46:25,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:46:25,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 287 [2020-10-29 21:46:25,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:46:25,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:46:25,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:46:25,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:46:25,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:46:25,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:46:25,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:46:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:46:25,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:46:25,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:46:25,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:46:25,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:46:25,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 21:46:25,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:46:25,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:46:25,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:46:25,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:46:25,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:46:25,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:46:25,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 21:46:25,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:46:25,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:46:25,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:46:25,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:46:25,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:46:25,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 21:46:25,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:46:25,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:46:25,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:46:25,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:46:25,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:46:25,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:46:25,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 21:46:25,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:46:25,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:46:25,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:46:25,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:46:25,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:46:25,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 21:46:25,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:46:25,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:46:25,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:46:25,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:46:25,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:46:25,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:46:25,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 21:46:25,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:46:25,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:46:25,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:46:25,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 21:46:25,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:46:25,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 21:46:25,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:46:25,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:46:25,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:46:25,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:46:25,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:46:25,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:46:25,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 21:46:25,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:46:25,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:46:25,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:46:25,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 21:46:25,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:46:25,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-29 21:46:25,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:46:25,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:46:25,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 21:46:25,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:46:25,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 21:46:25,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:46:25,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 21:46:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:46:25,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:46:25,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:46:25,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:46:25,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:46:25,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 21:46:25,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:46:25,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:46:25,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 21:46:25,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:46:25,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 21:46:25,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:46:25,675 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-29 21:46:25,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [178898598] [2020-10-29 21:46:25,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 21:46:25,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 21:46:25,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111272731] [2020-10-29 21:46:25,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 21:46:25,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 21:46:25,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 21:46:25,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-29 21:46:25,708 INFO L87 Difference]: Start difference. First operand 1314 states. Second operand 9 states. [2020-10-29 21:46:31,671 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-29 21:46:34,114 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-29 21:47:18,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 21:47:18,158 INFO L93 Difference]: Finished difference Result 2877 states and 4060 transitions. [2020-10-29 21:47:18,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 21:47:18,160 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 71 [2020-10-29 21:47:18,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 21:47:18,199 INFO L225 Difference]: With dead ends: 2877 [2020-10-29 21:47:18,199 INFO L226 Difference]: Without dead ends: 1551 [2020-10-29 21:47:18,215 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2020-10-29 21:47:18,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1551 states. [2020-10-29 21:47:18,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1551 to 1272. [2020-10-29 21:47:18,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1272 states. [2020-10-29 21:47:18,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1272 states and 1734 transitions. [2020-10-29 21:47:18,706 INFO L78 Accepts]: Start accepts. Automaton has 1272 states and 1734 transitions. Word has length 71 [2020-10-29 21:47:18,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 21:47:18,707 INFO L481 AbstractCegarLoop]: Abstraction has 1272 states and 1734 transitions. [2020-10-29 21:47:18,707 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 21:47:18,707 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1734 transitions. [2020-10-29 21:47:18,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-10-29 21:47:18,720 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 21:47:18,721 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:47:18,721 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 21:47:18,721 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 21:47:18,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 21:47:18,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1697738600, now seen corresponding path program 1 times [2020-10-29 21:47:18,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 21:47:18,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [337007611] [2020-10-29 21:47:18,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 21:47:18,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:47:18,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:47:19,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:47:19,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:47:23,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:47:23,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-29 21:47:23,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 21:47:23,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5096 [2020-10-29 21:47:23,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:47:23,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:47:23,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 21:47:23,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-29 21:47:23,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-29 21:47:23,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:47:26,285 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-29 21:47:26,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 21:47:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:47:26,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:47:26,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:47:26,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:47:26,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:47:26,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-10-29 21:47:26,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:47:26,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:47:26,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:47:26,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:47:26,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:47:26,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:47:26,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:47:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:47:26,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:47:26,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:47:26,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:47:26,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:47:26,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 21:47:26,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:47:26,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:47:26,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:47:26,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:47:26,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:47:26,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:47:26,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 21:47:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:47:26,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:47:26,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:47:26,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:47:26,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:47:26,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 21:47:26,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:47:26,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:47:26,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:47:26,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:47:26,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:47:26,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:47:26,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 21:47:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:47:26,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:47:26,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:47:26,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:47:26,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:47:26,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 21:47:26,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:47:26,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:47:26,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:47:26,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:47:26,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:47:26,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:47:26,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 21:47:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:47:26,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:47:26,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:47:26,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 21:47:26,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:47:26,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 21:47:26,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:47:26,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:47:26,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:47:26,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:47:26,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:47:26,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:47:26,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 21:47:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:47:26,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:47:26,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:47:26,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 21:47:26,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:47:26,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-29 21:47:26,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:47:26,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:47:26,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 21:47:26,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:47:26,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 21:47:26,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:47:26,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 21:47:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:47:26,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:47:26,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:47:26,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:47:26,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:47:26,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 21:47:26,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:47:26,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:47:26,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 21:47:26,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:47:26,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 21:47:26,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:47:27,000 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-29 21:47:27,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [337007611] [2020-10-29 21:47:27,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 21:47:27,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-29 21:47:27,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439958458] [2020-10-29 21:47:27,003 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 21:47:27,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 21:47:27,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 21:47:27,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-29 21:47:27,007 INFO L87 Difference]: Start difference. First operand 1272 states and 1734 transitions. Second operand 10 states. [2020-10-29 21:47:45,343 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-29 21:47:47,840 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-29 21:48:46,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 21:48:46,535 INFO L93 Difference]: Finished difference Result 2805 states and 3896 transitions. [2020-10-29 21:48:46,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 21:48:46,536 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 72 [2020-10-29 21:48:46,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 21:48:46,551 INFO L225 Difference]: With dead ends: 2805 [2020-10-29 21:48:46,551 INFO L226 Difference]: Without dead ends: 1549 [2020-10-29 21:48:46,558 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2020-10-29 21:48:46,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1549 states. [2020-10-29 21:48:46,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1549 to 1273. [2020-10-29 21:48:46,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1273 states. [2020-10-29 21:48:46,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 1273 states and 1735 transitions. [2020-10-29 21:48:46,861 INFO L78 Accepts]: Start accepts. Automaton has 1273 states and 1735 transitions. Word has length 72 [2020-10-29 21:48:46,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 21:48:46,862 INFO L481 AbstractCegarLoop]: Abstraction has 1273 states and 1735 transitions. [2020-10-29 21:48:46,862 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 21:48:46,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1273 states and 1735 transitions. [2020-10-29 21:48:46,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-10-29 21:48:46,866 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 21:48:46,867 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:48:46,867 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 21:48:46,867 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 21:48:46,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 21:48:46,868 INFO L82 PathProgramCache]: Analyzing trace with hash -2016154306, now seen corresponding path program 1 times [2020-10-29 21:48:46,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 21:48:46,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1026581011] [2020-10-29 21:48:46,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 21:48:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:47,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:47,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:48,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:50,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:52,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:52,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-29 21:48:52,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 21:48:52,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5193 [2020-10-29 21:48:52,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:52,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:52,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 21:48:52,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-29 21:48:52,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-29 21:48:52,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:48:54,411 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-29 21:48:54,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 21:48:54,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:54,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:54,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:54,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:48:54,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:54,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-29 21:48:54,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:54,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:54,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:54,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:54,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:54,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:48:54,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:48:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:54,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:54,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:54,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:48:54,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:54,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 21:48:54,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:54,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:54,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:54,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:54,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:54,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:54,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 21:48:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:54,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:54,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:54,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:48:54,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:54,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 21:48:54,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:54,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:54,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:54,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:54,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:54,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:54,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 21:48:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:54,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:54,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:54,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:48:54,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:54,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 21:48:54,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:54,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:54,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:54,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:54,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:54,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:54,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 21:48:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:54,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:54,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:54,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 21:48:54,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:54,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 21:48:54,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:54,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:54,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:54,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:54,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:54,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:54,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 21:48:54,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:54,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:54,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:54,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 21:48:54,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:54,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-29 21:48:54,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:54,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:54,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 21:48:54,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:54,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 21:48:54,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 21:48:55,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 21:48:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:55,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:55,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:55,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:48:55,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:55,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 21:48:55,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:55,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:55,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 21:48:55,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:55,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 21:48:55,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:48:55,215 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-29 21:48:55,215 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1026581011] [2020-10-29 21:48:55,215 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 21:48:55,216 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-29 21:48:55,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585791260] [2020-10-29 21:48:55,217 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 21:48:55,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 21:48:55,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 21:48:55,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-29 21:48:55,223 INFO L87 Difference]: Start difference. First operand 1273 states and 1735 transitions. Second operand 10 states. [2020-10-29 21:49:01,804 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-29 21:49:04,634 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-29 21:49:07,455 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 558