/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=SHALLOWEST --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-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 13:49:48,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 13:49:48,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 13:49:48,635 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 13:49:48,635 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 13:49:48,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 13:49:48,643 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 13:49:48,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 13:49:48,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 13:49:48,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 13:49:48,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 13:49:48,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 13:49:48,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 13:49:48,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 13:49:48,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 13:49:48,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 13:49:48,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 13:49:48,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 13:49:48,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 13:49:48,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 13:49:48,674 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 13:49:48,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 13:49:48,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 13:49:48,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 13:49:48,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 13:49:48,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 13:49:48,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 13:49:48,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 13:49:48,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 13:49:48,705 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 13:49:48,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 13:49:48,706 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 13:49:48,707 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 13:49:48,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 13:49:48,709 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 13:49:48,710 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 13:49:48,710 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 13:49:48,711 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 13:49:48,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 13:49:48,712 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 13:49:48,713 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 13:49:48,714 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 [2020-10-27 13:49:48,740 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 13:49:48,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 13:49:48,742 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 13:49:48,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 13:49:48,742 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 13:49:48,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 13:49:48,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 13:49:48,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 13:49:48,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 13:49:48,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 13:49:48,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 13:49:48,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 13:49:48,744 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 13:49:48,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 13:49:48,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 13:49:48,745 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 13:49:48,745 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 13:49:48,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 13:49:48,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 13:49:48,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 13:49:48,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 13:49:48,746 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 13:49:48,746 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 13:49:48,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 13:49:48,747 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 13:49:48,747 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 13:49:48,747 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-27 13:49:48,747 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 13:49:49,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 13:49:49,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 13:49:49,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 13:49:49,163 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 13:49:49,164 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 13:49:49,165 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i [2020-10-27 13:49:49,249 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/84aac4aed/5c2604ad616f49e4a8d32a21a620e2a1/FLAGae311cfca [2020-10-27 13:49:50,451 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 13:49:50,451 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i [2020-10-27 13:49:50,510 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/84aac4aed/5c2604ad616f49e4a8d32a21a620e2a1/FLAGae311cfca [2020-10-27 13:49:50,836 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/84aac4aed/5c2604ad616f49e4a8d32a21a620e2a1 [2020-10-27 13:49:50,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 13:49:50,846 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 13:49:50,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 13:49:50,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 13:49:50,852 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 13:49:50,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:49:50" (1/1) ... [2020-10-27 13:49:50,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58d5b6a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:49:50, skipping insertion in model container [2020-10-27 13:49:50,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:49:50" (1/1) ... [2020-10-27 13:49:50,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 13:49:50,965 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 13:49:52,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 13:49:52,461 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 13:49:52,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 13:49:53,097 INFO L208 MainTranslator]: Completed translation [2020-10-27 13:49:53,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:49:53 WrapperNode [2020-10-27 13:49:53,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 13:49:53,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 13:49:53,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 13:49:53,101 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 13:49:53,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:49:53" (1/1) ... [2020-10-27 13:49:53,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:49:53" (1/1) ... [2020-10-27 13:49:53,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:49:53" (1/1) ... [2020-10-27 13:49:53,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:49:53" (1/1) ... [2020-10-27 13:49:53,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:49:53" (1/1) ... [2020-10-27 13:49:53,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:49:53" (1/1) ... [2020-10-27 13:49:53,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:49:53" (1/1) ... [2020-10-27 13:49:53,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 13:49:53,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 13:49:53,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 13:49:53,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 13:49:53,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:49:53" (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 [2020-10-27 13:49:53,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 13:49:53,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 13:49:53,566 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 13:49:53,566 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2020-10-27 13:49:53,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-27 13:49:53,566 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-27 13:49:53,566 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-27 13:49:53,566 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 13:49:53,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-27 13:49:53,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-27 13:49:53,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-10-27 13:49:53,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-10-27 13:49:53,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-27 13:49:53,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-27 13:49:53,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-27 13:49:53,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-27 13:49:53,568 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-10-27 13:49:53,568 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-27 13:49:53,568 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-10-27 13:49:53,568 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2020-10-27 13:49:53,569 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_add_driver [2020-10-27 13:49:53,569 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_is_valid [2020-10-27 13:49:53,569 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2020-10-27 13:49:53,569 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2020-10-27 13:49:53,569 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_dev [2020-10-27 13:49:53,569 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_usecs [2020-10-27 13:49:53,569 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_handler [2020-10-27 13:49:53,570 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_send_command [2020-10-27 13:49:53,570 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_read_property [2020-10-27 13:49:53,570 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_property [2020-10-27 13:49:53,570 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_powerup [2020-10-27 13:49:53,570 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_powerdown [2020-10-27 13:49:53,570 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_checkrev [2020-10-27 13:49:53,571 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_wait_stc [2020-10-27 13:49:53,571 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_tune_freq [2020-10-27 13:49:53,571 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_tune_power [2020-10-27 13:49:53,571 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_tune_measure [2020-10-27 13:49:53,571 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_tune_status [2020-10-27 13:49:53,571 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_rds_buff [2020-10-27 13:49:53,571 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_rds_ps [2020-10-27 13:49:53,572 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_power_state [2020-10-27 13:49:53,572 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_mute [2020-10-27 13:49:53,572 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_ps_name [2020-10-27 13:49:53,572 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_radio_text [2020-10-27 13:49:53,572 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_choose_econtrol_action [2020-10-27 13:49:53,572 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_string [2020-10-27 13:49:53,572 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_range [2020-10-27 13:49:53,573 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_tune [2020-10-27 13:49:53,573 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_integers [2020-10-27 13:49:53,573 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_setup [2020-10-27 13:49:53,573 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_initialize [2020-10-27 13:49:53,573 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_read_econtrol_string [2020-10-27 13:49:53,573 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_update_tune_status [2020-10-27 13:49:53,573 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_read_econtrol_tune [2020-10-27 13:49:53,574 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_read_econtrol_integers [2020-10-27 13:49:53,574 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_ext_ctrls [2020-10-27 13:49:53,574 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_g_ext_ctrls [2020-10-27 13:49:53,574 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_queryctrl [2020-10-27 13:49:53,574 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_g_ctrl [2020-10-27 13:49:53,574 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_ctrl [2020-10-27 13:49:53,574 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_ioctl [2020-10-27 13:49:53,575 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_g_modulator [2020-10-27 13:49:53,575 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_modulator [2020-10-27 13:49:53,575 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_g_frequency [2020-10-27 13:49:53,575 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_frequency [2020-10-27 13:49:53,575 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_probe [2020-10-27 13:49:53,575 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_remove [2020-10-27 13:49:53,576 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_module_init [2020-10-27 13:49:53,576 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_module_exit [2020-10-27 13:49:53,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_i2c_driver_2 [2020-10-27 13:49:53,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_v4l2_subdev_core_ops_4 [2020-10-27 13:49:53,576 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2020-10-27 13:49:53,576 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2020-10-27 13:49:53,576 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2020-10-27 13:49:53,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2020-10-27 13:49:53,577 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2020-10-27 13:49:53,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_v4l2_subdev_tuner_ops_3 [2020-10-27 13:49:53,577 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 13:49:53,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2020-10-27 13:49:53,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_to_user_2 [2020-10-27 13:49:53,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___copy_user_nocache_3 [2020-10-27 13:49:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___copy_user_nocache_4 [2020-10-27 13:49:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2020-10-27 13:49:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_9 [2020-10-27 13:49:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_10 [2020-10-27 13:49:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_11 [2020-10-27 13:49:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-27 13:49:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure strlen [2020-10-27 13:49:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2020-10-27 13:49:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2020-10-27 13:49:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_ret_val [2020-10-27 13:49:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-27 13:49:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_user_nocache [2020-10-27 13:49:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __gpio_set_value [2020-10-27 13:49:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-27 13:49:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-27 13:49:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2020-10-27 13:49:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-27 13:49:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2020-10-27 13:49:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-27 13:49:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-27 13:49:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-10-27 13:49:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_direction_output [2020-10-27 13:49:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_free [2020-10-27 13:49:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_request [2020-10-27 13:49:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2020-10-27 13:49:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_recv [2020-10-27 13:49:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2020-10-27 13:49:53,582 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2020-10-27 13:49:53,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-27 13:49:53,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-27 13:49:53,582 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-27 13:49:53,582 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-10-27 13:49:53,582 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-27 13:49:53,582 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-27 13:49:53,583 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-27 13:49:53,583 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_disable [2020-10-27 13:49:53,583 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_enable [2020-10-27 13:49:53,583 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_free [2020-10-27 13:49:53,583 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_get [2020-10-27 13:49:53,583 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2020-10-27 13:49:53,583 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2020-10-27 13:49:53,584 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2020-10-27 13:49:53,584 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_query_fill [2020-10-27 13:49:53,584 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister_subdev [2020-10-27 13:49:53,584 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_i2c_subdev_init [2020-10-27 13:49:53,584 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2020-10-27 13:49:53,584 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2020-10-27 13:49:53,584 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-27 13:49:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-27 13:49:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-27 13:49:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-27 13:49:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 13:49:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 13:49:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 13:49:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 13:49:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 13:49:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 13:49:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-27 13:49:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-27 13:49:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2020-10-27 13:49:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-27 13:49:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-27 13:49:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-27 13:49:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-10-27 13:49:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2020-10-27 13:49:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2020-10-27 13:49:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-27 13:49:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-27 13:49:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-27 13:49:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-27 13:49:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2020-10-27 13:49:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2020-10-27 13:49:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 13:49:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 13:49:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2020-10-27 13:49:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2020-10-27 13:49:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2020-10-27 13:49:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-27 13:49:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-27 13:49:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-27 13:49:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-27 13:49:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-27 13:49:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-27 13:49:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 13:49:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 13:49:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 13:49:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-27 13:49:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 13:49:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 13:49:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-27 13:49:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-10-27 13:49:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-10-27 13:49:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-27 13:49:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-27 13:49:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-27 13:49:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-27 13:49:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_i2c_driver_2 [2020-10-27 13:49:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_v4l2_subdev_core_ops_4 [2020-10-27 13:49:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2020-10-27 13:49:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2020-10-27 13:49:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2020-10-27 13:49:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2020-10-27 13:49:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2020-10-27 13:49:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_v4l2_subdev_tuner_ops_3 [2020-10-27 13:49:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-27 13:49:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-10-27 13:49:53,593 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-27 13:49:53,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_to_user_2 [2020-10-27 13:49:53,593 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2020-10-27 13:49:53,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2020-10-27 13:49:53,593 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-10-27 13:49:53,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2020-10-27 13:49:53,593 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-27 13:49:53,593 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_user_nocache [2020-10-27 13:49:53,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___copy_user_nocache_3 [2020-10-27 13:49:53,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___copy_user_nocache_4 [2020-10-27 13:49:53,594 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2020-10-27 13:49:53,594 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-10-27 13:49:53,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_9 [2020-10-27 13:49:53,594 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-10-27 13:49:53,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_10 [2020-10-27 13:49:53,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_11 [2020-10-27 13:49:53,595 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-27 13:49:53,595 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-27 13:49:53,595 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2020-10-27 13:49:53,595 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_recv [2020-10-27 13:49:53,595 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2020-10-27 13:49:53,595 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2020-10-27 13:49:53,595 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2020-10-27 13:49:53,596 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_add_driver [2020-10-27 13:49:53,596 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_is_valid [2020-10-27 13:49:53,596 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_request [2020-10-27 13:49:53,596 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_free [2020-10-27 13:49:53,596 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_direction_output [2020-10-27 13:49:53,596 INFO L130 BoogieDeclarations]: Found specification of procedure __gpio_set_value [2020-10-27 13:49:53,596 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2020-10-27 13:49:53,597 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_get [2020-10-27 13:49:53,597 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_enable [2020-10-27 13:49:53,597 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_disable [2020-10-27 13:49:53,597 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_free [2020-10-27 13:49:53,597 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_query_fill [2020-10-27 13:49:53,597 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_i2c_subdev_init [2020-10-27 13:49:53,597 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2020-10-27 13:49:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 13:49:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister_subdev [2020-10-27 13:49:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_dev [2020-10-27 13:49:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 13:49:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_usecs [2020-10-27 13:49:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_handler [2020-10-27 13:49:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_send_command [2020-10-27 13:49:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-27 13:49:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_read_property [2020-10-27 13:49:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_property [2020-10-27 13:49:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_powerup [2020-10-27 13:49:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_powerdown [2020-10-27 13:49:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_checkrev [2020-10-27 13:49:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_wait_stc [2020-10-27 13:49:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_tune_freq [2020-10-27 13:49:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_tune_power [2020-10-27 13:49:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_tune_measure [2020-10-27 13:49:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_tune_status [2020-10-27 13:49:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_rds_buff [2020-10-27 13:49:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_rds_ps [2020-10-27 13:49:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_power_state [2020-10-27 13:49:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_mute [2020-10-27 13:49:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_ps_name [2020-10-27 13:49:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_radio_text [2020-10-27 13:49:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_choose_econtrol_action [2020-10-27 13:49:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 13:49:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_queryctrl [2020-10-27 13:49:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_string [2020-10-27 13:49:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure validate_range [2020-10-27 13:49:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_tune [2020-10-27 13:49:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_integers [2020-10-27 13:49:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_frequency [2020-10-27 13:49:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_modulator [2020-10-27 13:49:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_setup [2020-10-27 13:49:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_initialize [2020-10-27 13:49:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_read_econtrol_string [2020-10-27 13:49:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_update_tune_status [2020-10-27 13:49:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_read_econtrol_tune [2020-10-27 13:49:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_read_econtrol_integers [2020-10-27 13:49:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_ext_ctrls [2020-10-27 13:49:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_g_ext_ctrls [2020-10-27 13:49:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_g_ctrl [2020-10-27 13:49:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_ctrl [2020-10-27 13:49:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_ioctl [2020-10-27 13:49:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_g_modulator [2020-10-27 13:49:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_g_frequency [2020-10-27 13:49:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_probe [2020-10-27 13:49:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_remove [2020-10-27 13:49:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_module_init [2020-10-27 13:49:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_module_exit [2020-10-27 13:49:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-27 13:49:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-27 13:49:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 13:49:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2020-10-27 13:49:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-27 13:49:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_ret_val [2020-10-27 13:49:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-27 13:49:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 13:49:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 13:49:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 13:49:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-27 13:49:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-27 13:49:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 13:49:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-27 13:49:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-27 13:49:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-27 13:49:54,681 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-27 13:50:03,460 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 13:50:03,460 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 13:50:03,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:50:03 BoogieIcfgContainer [2020-10-27 13:50:03,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 13:50:03,476 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 13:50:03,476 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 13:50:03,481 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 13:50:03,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 01:49:50" (1/3) ... [2020-10-27 13:50:03,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ad9aaf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 01:50:03, skipping insertion in model container [2020-10-27 13:50:03,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:49:53" (2/3) ... [2020-10-27 13:50:03,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ad9aaf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 01:50:03, skipping insertion in model container [2020-10-27 13:50:03,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:50:03" (3/3) ... [2020-10-27 13:50:03,486 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i [2020-10-27 13:50:03,500 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 13:50:03,508 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 13:50:03,523 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 13:50:03,574 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 13:50:03,574 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 13:50:03,575 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 13:50:03,575 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 13:50:03,575 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 13:50:03,575 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 13:50:03,575 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 13:50:03,575 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 13:50:03,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states. [2020-10-27 13:50:03,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-27 13:50:03,672 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 13:50:03,675 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 13:50:03,676 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 13:50:03,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 13:50:03,684 INFO L82 PathProgramCache]: Analyzing trace with hash -181501958, now seen corresponding path program 1 times [2020-10-27 13:50:03,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 13:50:03,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [178314546] [2020-10-27 13:50:03,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 13:50:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:04,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:04,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:04,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:04,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:05,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:09,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:09,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-27 13:50:09,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 13:50:09,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5253 [2020-10-27 13:50:09,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:09,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:09,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-27 13:50:09,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:09,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 13:50:11,413 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-27 13:50:11,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 13:50:11,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:11,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:11,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:11,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:50:11,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:11,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 275 [2020-10-27 13:50:11,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:11,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:11,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:11,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:11,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:11,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:50:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:11,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:11,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:11,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 13:50:11,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:11,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 13:50:11,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:11,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:11,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 13:50:11,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:11,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:11,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:50:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:11,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:11,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:11,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:50:11,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:11,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 13:50:11,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:11,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:11,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:11,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:11,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:11,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:50:11,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:11,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:12,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:12,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:50:12,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:12,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 13:50:12,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:12,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:12,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 13:50:12,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:12,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:12,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 13:50:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:12,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:12,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:12,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:12,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 13:50:12,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 13:50:12,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-27 13:50:12,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:12,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:12,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 13:50:12,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:12,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 13:50:12,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:50:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:12,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:12,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:12,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:50:12,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:12,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 13:50:12,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:12,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:12,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:12,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:12,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:12,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:50:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:12,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:12,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:12,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:50:12,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:12,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 13:50:12,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:12,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:12,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 13:50:12,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:12,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:12,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 13:50:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:12,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:12,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:12,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:12,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 13:50:12,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 13:50:12,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-27 13:50:12,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:12,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:12,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 13:50:12,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:12,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:12,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:50:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:12,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:12,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:12,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:50:12,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:12,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 13:50:12,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:12,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:12,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:12,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:12,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:12,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:50:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:12,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:12,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:12,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:50:12,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:12,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 13:50:12,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:12,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:12,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 13:50:12,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:12,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:12,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 13:50:12,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:12,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:12,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:12,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 13:50:12,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:12,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 13:50:12,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:12,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:12,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 13:50:12,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:12,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:12,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 13:50:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:12,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:12,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:12,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:12,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 13:50:12,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 13:50:12,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-27 13:50:12,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:12,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 13:50:12,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 13:50:12,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 13:50:12,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:12,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:50:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:12,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:12,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:12,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:50:12,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:12,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-27 13:50:12,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:12,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 13:50:12,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:12,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 13:50:12,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 13:50:12,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 13:50:12,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:12,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:12,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:12,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 13:50:12,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:12,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 13:50:12,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:12,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:12,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 13:50:12,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:12,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:12,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 13:50:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:12,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:12,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:12,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:50:12,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:50:12,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 13:50:12,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:12,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:50:12,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:50:12,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:50:12,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:50:12,856 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-27 13:50:12,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [178314546] [2020-10-27 13:50:12,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 13:50:12,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 13:50:12,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731142311] [2020-10-27 13:50:12,869 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 13:50:12,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 13:50:12,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 13:50:12,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-27 13:50:12,888 INFO L87 Difference]: Start difference. First operand 1316 states. Second operand 10 states. [2020-10-27 13:50:23,817 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-27 13:50:25,454 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-27 13:50:27,008 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 555 [2020-10-27 13:50:28,634 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 558 [2020-10-27 13:50:53,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 13:50:53,848 INFO L93 Difference]: Finished difference Result 2844 states and 3963 transitions. [2020-10-27 13:50:53,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 13:50:53,850 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 111 [2020-10-27 13:50:53,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 13:50:53,898 INFO L225 Difference]: With dead ends: 2844 [2020-10-27 13:50:53,898 INFO L226 Difference]: Without dead ends: 1526 [2020-10-27 13:50:53,916 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-10-27 13:50:53,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1526 states. [2020-10-27 13:50:54,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1526 to 1267. [2020-10-27 13:50:54,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1267 states. [2020-10-27 13:50:54,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1267 states and 1723 transitions. [2020-10-27 13:50:54,460 INFO L78 Accepts]: Start accepts. Automaton has 1267 states and 1723 transitions. Word has length 111 [2020-10-27 13:50:54,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 13:50:54,460 INFO L481 AbstractCegarLoop]: Abstraction has 1267 states and 1723 transitions. [2020-10-27 13:50:54,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 13:50:54,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 1723 transitions. [2020-10-27 13:50:54,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-27 13:50:54,472 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 13:50:54,473 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 13:50:54,473 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 13:50:54,473 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 13:50:54,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 13:50:54,474 INFO L82 PathProgramCache]: Analyzing trace with hash -1800518466, now seen corresponding path program 1 times [2020-10-27 13:50:54,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 13:50:54,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [554993848] [2020-10-27 13:50:54,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 13:50:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:50:54,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:54,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:55,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:58,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:50:59,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:50:59,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-27 13:50:59,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 13:50:59,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5163 [2020-10-27 13:50:59,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:50:59,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 13:50:59,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-27 13:50:59,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 13:50:59,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:01,397 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-27 13:51:01,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 13:51:01,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:01,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:01,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:01,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:01,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:01,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-10-27 13:51:01,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:01,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:01,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:01,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:01,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:01,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:51:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:01,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:01,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:01,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 13:51:01,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:01,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 13:51:01,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:01,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:01,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:01,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:01,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:01,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:51:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:01,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:01,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:01,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:01,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:01,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 13:51:01,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:01,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:01,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:01,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:01,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:01,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:51:01,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:01,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:01,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:01,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:51:01,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:01,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 13:51:01,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:01,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:01,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:01,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:01,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:01,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 13:51:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:01,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:01,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:01,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 13:51:01,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:01,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 13:51:01,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:01,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:01,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:01,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:01,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:01,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:51:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:01,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:01,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:01,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:01,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:01,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 13:51:01,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:01,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:01,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:01,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:01,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:01,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:51:01,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:01,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:01,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:01,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:51:01,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:01,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 13:51:01,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:01,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:01,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:01,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:01,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:01,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 13:51:01,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:01,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:01,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:01,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 13:51:01,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:01,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 13:51:01,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:01,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:01,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:01,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:01,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:01,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:51:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:01,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:01,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:01,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:01,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:01,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 13:51:01,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:01,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:01,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:01,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:01,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:01,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:51:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:01,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:01,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:01,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:51:01,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:01,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 13:51:01,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:01,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:01,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:01,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:01,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:01,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 13:51:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:02,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:02,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:02,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 13:51:02,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:02,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 13:51:02,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:02,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:02,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:02,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:02,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:02,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 13:51:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:02,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:02,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:02,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 13:51:02,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:02,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-27 13:51:02,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:02,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 13:51:02,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 13:51:02,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 13:51:02,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:02,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:51:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:02,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:02,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:02,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 13:51:02,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:02,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-27 13:51:02,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:02,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 13:51:02,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:02,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 13:51:02,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:02,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 13:51:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:02,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:02,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:02,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 13:51:02,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:02,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 13:51:02,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:02,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:02,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 13:51:02,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:02,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:02,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 13:51:02,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:02,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:02,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:02,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:02,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:02,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 13:51:02,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:02,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:02,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:02,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:02,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 13:51:02,528 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-27 13:51:02,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [554993848] [2020-10-27 13:51:02,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 13:51:02,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 13:51:02,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117641867] [2020-10-27 13:51:02,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 13:51:02,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 13:51:02,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 13:51:02,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-27 13:51:02,535 INFO L87 Difference]: Start difference. First operand 1267 states and 1723 transitions. Second operand 11 states. [2020-10-27 13:51:14,917 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-27 13:51:16,623 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 554 [2020-10-27 13:51:43,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 13:51:43,066 INFO L93 Difference]: Finished difference Result 2778 states and 3830 transitions. [2020-10-27 13:51:43,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 13:51:43,067 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 112 [2020-10-27 13:51:43,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 13:51:43,079 INFO L225 Difference]: With dead ends: 2778 [2020-10-27 13:51:43,079 INFO L226 Difference]: Without dead ends: 1527 [2020-10-27 13:51:43,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2020-10-27 13:51:43,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2020-10-27 13:51:43,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1268. [2020-10-27 13:51:43,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1268 states. [2020-10-27 13:51:43,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 1724 transitions. [2020-10-27 13:51:43,437 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 1724 transitions. Word has length 112 [2020-10-27 13:51:43,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 13:51:43,440 INFO L481 AbstractCegarLoop]: Abstraction has 1268 states and 1724 transitions. [2020-10-27 13:51:43,440 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 13:51:43,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1724 transitions. [2020-10-27 13:51:43,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-27 13:51:43,446 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 13:51:43,447 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 13:51:43,448 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 13:51:43,448 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 13:51:43,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 13:51:43,448 INFO L82 PathProgramCache]: Analyzing trace with hash 692524148, now seen corresponding path program 2 times [2020-10-27 13:51:43,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 13:51:43,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1110222482] [2020-10-27 13:51:43,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 13:51:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:43,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:43,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:44,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:47,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:48,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:48,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-10-27 13:51:48,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 13:51:48,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5154 [2020-10-27 13:51:48,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:48,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 13:51:48,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-27 13:51:48,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 13:51:48,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:50,430 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-27 13:51:50,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 13:51:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:50,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:50,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:50,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:50,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:50,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 220 [2020-10-27 13:51:50,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:50,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:50,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:50,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:50,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:50,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:51:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:50,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:50,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:50,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 13:51:50,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:50,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 13:51:50,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:50,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:50,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:50,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:50,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:50,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:51:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:50,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:50,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:50,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:50,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:50,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 13:51:50,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:50,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:50,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:50,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:50,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:50,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:51:50,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:50,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:50,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:50,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:51:50,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:50,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 13:51:50,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:50,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:50,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:50,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:50,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:50,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 13:51:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:50,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:50,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:50,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 13:51:50,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:50,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 13:51:50,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:50,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:50,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:50,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:50,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:50,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:51:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:50,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:50,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:50,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:50,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:50,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 13:51:50,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:50,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:50,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:50,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:50,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:50,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:51:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:50,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:50,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:50,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:51:50,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:50,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 13:51:50,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:50,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:50,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:50,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:50,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:50,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 13:51:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:50,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:50,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:50,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 13:51:50,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:50,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 13:51:50,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:50,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:50,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:50,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:50,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:50,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:51:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:50,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:50,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:50,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:50,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:50,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 13:51:50,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:50,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:50,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:50,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:50,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:50,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:51:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:50,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:50,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:50,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:51:50,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:50,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 13:51:50,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:50,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:50,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:50,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:50,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:50,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 13:51:50,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:50,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:50,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:50,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 13:51:50,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:50,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 13:51:51,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:51,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:51,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:51,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:51,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:51,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 13:51:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:51,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:51,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:51,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 13:51:51,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:51,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-27 13:51:51,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:51,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 13:51:51,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 13:51:51,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 13:51:51,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:51,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:51:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:51,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:51,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:51,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 13:51:51,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:51,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-27 13:51:51,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:51,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 13:51:51,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:51,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 13:51:51,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:51,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 13:51:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:51,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:51,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:51,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 13:51:51,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:51,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 13:51:51,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:51,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:51,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 13:51:51,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:51,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:51,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 13:51:51,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:51:51,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:51:51,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:51:51,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:51:51,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:51:51,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 13:51:51,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:51:51,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:51:51,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:51:51,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:51:51,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:51:51,575 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-27 13:51:51,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1110222482] [2020-10-27 13:51:51,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 13:51:51,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 13:51:51,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818302943] [2020-10-27 13:51:51,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 13:51:51,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 13:51:51,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 13:51:51,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-27 13:51:51,578 INFO L87 Difference]: Start difference. First operand 1268 states and 1724 transitions. Second operand 12 states. [2020-10-27 13:51:56,306 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-27 13:51:57,928 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 554 [2020-10-27 13:52:38,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 13:52:38,324 INFO L93 Difference]: Finished difference Result 2780 states and 3832 transitions. [2020-10-27 13:52:38,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 13:52:38,325 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 113 [2020-10-27 13:52:38,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 13:52:38,338 INFO L225 Difference]: With dead ends: 2780 [2020-10-27 13:52:38,338 INFO L226 Difference]: Without dead ends: 1528 [2020-10-27 13:52:38,345 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2020-10-27 13:52:38,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1528 states. [2020-10-27 13:52:38,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1528 to 1269. [2020-10-27 13:52:38,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1269 states. [2020-10-27 13:52:38,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 1269 states and 1725 transitions. [2020-10-27 13:52:38,648 INFO L78 Accepts]: Start accepts. Automaton has 1269 states and 1725 transitions. Word has length 113 [2020-10-27 13:52:38,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 13:52:38,648 INFO L481 AbstractCegarLoop]: Abstraction has 1269 states and 1725 transitions. [2020-10-27 13:52:38,648 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 13:52:38,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 1725 transitions. [2020-10-27 13:52:38,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-27 13:52:38,653 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 13:52:38,653 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 13:52:38,654 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 13:52:38,654 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 13:52:38,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 13:52:38,654 INFO L82 PathProgramCache]: Analyzing trace with hash 667433854, now seen corresponding path program 3 times [2020-10-27 13:52:38,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 13:52:38,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [429120223] [2020-10-27 13:52:38,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 13:52:38,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:52:38,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:52:38,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:52:39,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:52:43,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:52:43,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:52:43,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-27 13:52:43,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 13:52:43,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 13:52:43,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:52:43,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 13:52:43,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-27 13:52:43,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 13:52:43,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:52:45,578 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-27 13:52:45,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 13:52:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:52:45,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:52:45,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:52:45,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:52:45,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:52:45,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-10-27 13:52:45,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:52:45,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:52:45,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:52:45,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:52:45,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:52:45,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:52:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:52:45,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:52:45,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:52:45,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 13:52:45,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:52:45,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 13:52:45,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:52:45,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:52:45,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:52:45,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:52:45,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:52:45,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:52:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:52:45,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:52:45,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:52:45,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:52:45,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:52:45,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 13:52:45,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:52:45,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:52:45,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:52:45,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:52:45,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:52:45,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:52:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:52:45,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:52:45,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:52:45,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:52:45,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:52:45,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 13:52:45,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:52:45,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:52:45,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:52:45,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:52:45,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:52:45,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 13:52:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:52:45,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:52:45,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:52:45,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 13:52:45,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:52:45,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 13:52:45,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:52:45,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:52:45,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:52:45,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:52:45,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:52:45,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:52:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:52:45,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:52:45,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:52:45,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:52:45,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:52:45,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 13:52:45,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:52:45,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:52:45,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:52:45,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:52:45,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:52:45,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:52:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:52:45,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:52:45,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:52:45,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:52:45,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:52:45,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 13:52:45,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:52:45,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:52:45,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:52:45,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:52:45,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:52:46,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 13:52:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:52:46,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:52:46,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:52:46,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 13:52:46,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:52:46,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 13:52:46,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:52:46,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:52:46,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:52:46,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:52:46,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:52:46,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:52:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:52:46,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:52:46,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:52:46,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:52:46,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:52:46,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 13:52:46,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:52:46,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:52:46,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:52:46,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:52:46,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:52:46,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:52:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:52:46,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:52:46,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:52:46,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:52:46,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:52:46,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 13:52:46,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:52:46,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:52:46,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:52:46,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:52:46,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:52:46,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 13:52:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:52:46,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:52:46,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:52:46,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 13:52:46,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:52:46,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 13:52:46,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:52:46,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:52:46,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:52:46,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:52:46,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:52:46,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 13:52:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:52:46,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:52:46,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:52:46,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 13:52:46,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:52:46,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-27 13:52:46,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:52:46,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 13:52:46,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 13:52:46,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 13:52:46,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:52:46,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:52:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:52:46,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:52:46,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:52:46,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 13:52:46,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:52:46,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-27 13:52:46,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:52:46,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 13:52:46,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:52:46,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 13:52:46,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:52:46,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-27 13:52:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:52:46,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:52:46,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:52:46,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 13:52:46,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:52:46,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 13:52:46,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:52:46,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:52:46,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 13:52:46,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:52:46,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:52:46,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 13:52:46,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:52:46,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:52:46,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:52:46,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:52:46,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:52:46,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 13:52:46,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:52:46,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:52:46,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:52:46,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:52:46,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 13:52:46,846 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-27 13:52:46,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [429120223] [2020-10-27 13:52:46,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 13:52:46,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 13:52:46,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123021726] [2020-10-27 13:52:46,848 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 13:52:46,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 13:52:46,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 13:52:46,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-27 13:52:46,849 INFO L87 Difference]: Start difference. First operand 1269 states and 1725 transitions. Second operand 13 states. [2020-10-27 13:53:07,144 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-27 13:53:08,810 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 554