java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--imu--inv_mpu6050--inv-mpu6050.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 08:36:19,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 08:36:19,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 08:36:19,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 08:36:19,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 08:36:19,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 08:36:19,595 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 08:36:19,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 08:36:19,609 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 08:36:19,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 08:36:19,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 08:36:19,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 08:36:19,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 08:36:19,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 08:36:19,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 08:36:19,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 08:36:19,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 08:36:19,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 08:36:19,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 08:36:19,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 08:36:19,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 08:36:19,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 08:36:19,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 08:36:19,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 08:36:19,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 08:36:19,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 08:36:19,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 08:36:19,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 08:36:19,649 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 08:36:19,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 08:36:19,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 08:36:19,653 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 08:36:19,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 08:36:19,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 08:36:19,659 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 08:36:19,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 08:36:19,660 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 08:36:19,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 08:36:19,661 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 08:36:19,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 08:36:19,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 08:36:19,665 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-02 08:36:19,692 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 08:36:19,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 08:36:19,695 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 08:36:19,695 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 08:36:19,696 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 08:36:19,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 08:36:19,696 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 08:36:19,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 08:36:19,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 08:36:19,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 08:36:19,698 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 08:36:19,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 08:36:19,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 08:36:19,699 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 08:36:19,699 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 08:36:19,699 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 08:36:19,699 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 08:36:19,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 08:36:19,700 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 08:36:19,700 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 08:36:19,700 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 08:36:19,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 08:36:19,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 08:36:19,701 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 08:36:19,701 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 08:36:19,701 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 08:36:19,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 08:36:19,702 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 08:36:19,702 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 08:36:19,759 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 08:36:19,778 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 08:36:19,784 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 08:36:19,786 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 08:36:19,786 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 08:36:19,787 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--imu--inv_mpu6050--inv-mpu6050.ko-entry_point.cil.out.i [2019-10-02 08:36:19,846 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc5e32327/3abfc1a549114a57803fc9c4077c5a92/FLAG8df2fe5ad [2019-10-02 08:36:20,703 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 08:36:20,704 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--imu--inv_mpu6050--inv-mpu6050.ko-entry_point.cil.out.i [2019-10-02 08:36:20,740 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc5e32327/3abfc1a549114a57803fc9c4077c5a92/FLAG8df2fe5ad [2019-10-02 08:36:21,179 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc5e32327/3abfc1a549114a57803fc9c4077c5a92 [2019-10-02 08:36:21,191 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 08:36:21,193 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 08:36:21,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 08:36:21,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 08:36:21,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 08:36:21,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 08:36:21" (1/1) ... [2019-10-02 08:36:21,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b0d842c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 08:36:21, skipping insertion in model container [2019-10-02 08:36:21,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 08:36:21" (1/1) ... [2019-10-02 08:36:21,205 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 08:36:21,346 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 08:36:23,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 08:36:23,432 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 08:36:23,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 08:36:23,998 INFO L192 MainTranslator]: Completed translation [2019-10-02 08:36:23,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 08:36:23 WrapperNode [2019-10-02 08:36:24,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 08:36:24,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 08:36:24,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 08:36:24,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 08:36:24,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 08:36:23" (1/1) ... [2019-10-02 08:36:24,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 08:36:23" (1/1) ... [2019-10-02 08:36:24,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 08:36:23" (1/1) ... [2019-10-02 08:36:24,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 08:36:23" (1/1) ... [2019-10-02 08:36:24,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 08:36:23" (1/1) ... [2019-10-02 08:36:24,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 08:36:23" (1/1) ... [2019-10-02 08:36:24,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 08:36:23" (1/1) ... [2019-10-02 08:36:24,429 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 08:36:24,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 08:36:24,430 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 08:36:24,431 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 08:36:24,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 08:36:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-10-02 08:36:24,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 08:36:24,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 08:36:24,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2019-10-02 08:36:24,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-02 08:36:24,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-10-02 08:36:24,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2019-10-02 08:36:24,550 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-02 08:36:24,550 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-02 08:36:24,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-02 08:36:24,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-02 08:36:24,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-02 08:36:24,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-02 08:36:24,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-02 08:36:24,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-02 08:36:24,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-02 08:36:24,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-02 08:36:24,561 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-02 08:36:24,561 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-02 08:36:24,561 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-02 08:36:24,562 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2019-10-02 08:36:24,562 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2019-10-02 08:36:24,562 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_clientdata [2019-10-02 08:36:24,562 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_functionality [2019-10-02 08:36:24,562 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2019-10-02 08:36:24,563 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_iio_dev [2019-10-02 08:36:24,563 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_priv [2019-10-02 08:36:24,563 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu6050_write_reg [2019-10-02 08:36:24,563 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu6050_write_reg_unlocked [2019-10-02 08:36:24,563 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu6050_select_bypass [2019-10-02 08:36:24,563 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu6050_deselect_bypass [2019-10-02 08:36:24,564 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu6050_switch_engine [2019-10-02 08:36:24,564 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu6050_set_power_itg [2019-10-02 08:36:24,564 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu6050_init_config [2019-10-02 08:36:24,564 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu6050_sensor_show [2019-10-02 08:36:24,565 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu6050_read_raw [2019-10-02 08:36:24,565 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu6050_write_gyro_scale [2019-10-02 08:36:24,565 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu6050_write_accel_scale [2019-10-02 08:36:24,565 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu6050_write_raw [2019-10-02 08:36:24,565 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu6050_set_lpf [2019-10-02 08:36:24,565 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu6050_fifo_rate_store [2019-10-02 08:36:24,566 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_fifo_rate_show [2019-10-02 08:36:24,566 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_attr_show [2019-10-02 08:36:24,566 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu6050_validate_trigger [2019-10-02 08:36:24,566 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_check_and_setup_chip [2019-10-02 08:36:24,566 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu_probe [2019-10-02 08:36:24,567 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu_remove [2019-10-02 08:36:24,567 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu_resume [2019-10-02 08:36:24,567 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu_suspend [2019-10-02 08:36:24,567 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu_driver_init [2019-10-02 08:36:24,567 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu_driver_exit [2019-10-02 08:36:24,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_iio_info_6 [2019-10-02 08:36:24,567 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_2 [2019-10-02 08:36:24,568 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2019-10-02 08:36:24,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_pm_ops_5 [2019-10-02 08:36:24,568 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2019-10-02 08:36:24,568 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-02 08:36:24,568 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-02 08:36:24,568 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-02 08:36:24,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-02 08:36:24,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_i2c_driver_4 [2019-10-02 08:36:24,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_iio_dev_attr_9 [2019-10-02 08:36:24,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2019-10-02 08:36:24,569 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-02 08:36:24,569 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2019-10-02 08:36:24,569 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 08:36:24,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_5 [2019-10-02 08:36:24,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___module_get_6 [2019-10-02 08:36:24,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_iio_triggered_buffer_setup_7 [2019-10-02 08:36:24,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_iio_triggered_buffer_cleanup_8 [2019-10-02 08:36:24,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_iio_triggered_buffer_cleanup_9 [2019-10-02 08:36:24,571 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-02 08:36:24,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_real [2019-10-02 08:36:24,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_real_ns [2019-10-02 08:36:24,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2019-10-02 08:36:24,572 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_get_time_ns [2019-10-02 08:36:24,572 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_push_to_buffers_with_timestamp [2019-10-02 08:36:24,572 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_clear_kfifo [2019-10-02 08:36:24,573 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_reset_fifo [2019-10-02 08:36:24,573 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu6050_irq_handler [2019-10-02 08:36:24,573 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu6050_read_fifo [2019-10-02 08:36:24,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_17 [2019-10-02 08:36:24,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___module_get_18 [2019-10-02 08:36:24,574 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-02 08:36:24,574 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_get [2019-10-02 08:36:24,574 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_set_drvdata [2019-10-02 08:36:24,574 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_get_drvdata [2019-10-02 08:36:24,575 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_irq [2019-10-02 08:36:24,575 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_scan_query [2019-10-02 08:36:24,576 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu6050_set_enable [2019-10-02 08:36:24,576 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu_data_rdy_trigger_set_state [2019-10-02 08:36:24,576 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu6050_probe_trigger [2019-10-02 08:36:24,577 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu6050_remove_trigger [2019-10-02 08:36:24,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_3 [2019-10-02 08:36:24,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_23 [2019-10-02 08:36:24,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___module_get_24 [2019-10-02 08:36:24,577 INFO L138 BoogieDeclarations]: Found implementation of procedure is_acpi_node [2019-10-02 08:36:24,578 INFO L138 BoogieDeclarations]: Found implementation of procedure to_acpi_node [2019-10-02 08:36:24,578 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_device_handle [2019-10-02 08:36:24,578 INFO L138 BoogieDeclarations]: Found implementation of procedure asus_t100_matched [2019-10-02 08:36:24,578 INFO L138 BoogieDeclarations]: Found implementation of procedure asus_acpi_get_sensor_info [2019-10-02 08:36:24,578 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_i2c_check_resource [2019-10-02 08:36:24,578 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu_process_acpi_config [2019-10-02 08:36:24,579 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu_acpi_create_mux_client [2019-10-02 08:36:24,579 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu_acpi_delete_mux_client [2019-10-02 08:36:24,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_29 [2019-10-02 08:36:24,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___module_get_30 [2019-10-02 08:36:24,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-02 08:36:24,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-02 08:36:24,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-02 08:36:24,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-02 08:36:24,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-02 08:36:24,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-10-02 08:36:24,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-10-02 08:36:24,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-10-02 08:36:24,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-10-02 08:36:24,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-10-02 08:36:24,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-02 08:36:24,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __i2c_transfer [2019-10-02 08:36:24,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_in [2019-10-02 08:36:24,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_in_r [2019-10-02 08:36:24,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out [2019-10-02 08:36:24,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out_r [2019-10-02 08:36:24,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-02 08:36:24,583 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-02 08:36:24,584 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-02 08:36:24,585 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_dev_free_resource_list [2019-10-02 08:36:24,585 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_dev_get_resources [2019-10-02 08:36:24,585 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_object [2019-10-02 08:36:24,585 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_match_device [2019-10-02 08:36:24,585 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-02 08:36:24,585 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_iio_device_alloc [2019-10-02 08:36:24,586 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_iio_trigger_alloc [2019-10-02 08:36:24,586 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2019-10-02 08:36:24,586 INFO L138 BoogieDeclarations]: Found implementation of procedure dmi_check_system [2019-10-02 08:36:24,586 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2019-10-02 08:36:24,587 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_add_mux_adapter [2019-10-02 08:36:24,587 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2019-10-02 08:36:24,587 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_mux_adapter [2019-10-02 08:36:24,587 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_new_device [2019-10-02 08:36:24,588 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2019-10-02 08:36:24,591 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_i2c_block_data [2019-10-02 08:36:24,592 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_i2c_block_data [2019-10-02 08:36:24,592 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2019-10-02 08:36:24,593 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_device_register [2019-10-02 08:36:24,599 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_device_unregister [2019-10-02 08:36:24,599 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_push_to_buffers [2019-10-02 08:36:24,599 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_read_const_attr [2019-10-02 08:36:24,599 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_notify_done [2019-10-02 08:36:24,599 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_register [2019-10-02 08:36:24,600 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_unregister [2019-10-02 08:36:24,600 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_triggered_buffer_cleanup [2019-10-02 08:36:24,600 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_triggered_buffer_setup [2019-10-02 08:36:24,600 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoint [2019-10-02 08:36:24,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_with_offset [2019-10-02 08:36:24,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_complete_5 [2019-10-02 08:36:24,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_freeze_late_5 [2019-10-02 08:36:24,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_freeze_noirq_5 [2019-10-02 08:36:24,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-02 08:36:24,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_poweroff_late_5 [2019-10-02 08:36:24,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_poweroff_noirq_5 [2019-10-02 08:36:24,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_prepare_5 [2019-10-02 08:36:24,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_6 [2019-10-02 08:36:24,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2019-10-02 08:36:24,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_restore_early_5 [2019-10-02 08:36:24,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_restore_noirq_5 [2019-10-02 08:36:24,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_5 [2019-10-02 08:36:24,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_noirq_5 [2019-10-02 08:36:24,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_suspend_late_5 [2019-10-02 08:36:24,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_suspend_noirq_5 [2019-10-02 08:36:24,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thaw_early_5 [2019-10-02 08:36:24,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thaw_noirq_5 [2019-10-02 08:36:24,604 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-02 08:36:24,604 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-02 08:36:24,604 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-02 08:36:24,604 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2019-10-02 08:36:24,604 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-10-02 08:36:24,604 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-02 08:36:24,604 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-02 08:36:24,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-02 08:36:24,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-02 08:36:24,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-02 08:36:24,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 08:36:24,605 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-02 08:36:24,605 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-10-02 08:36:24,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 08:36:24,606 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2019-10-02 08:36:24,606 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoint [2019-10-02 08:36:24,606 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-02 08:36:24,606 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-02 08:36:24,606 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-02 08:36:24,606 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-02 08:36:24,606 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-02 08:36:24,607 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-02 08:36:24,607 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-02 08:36:24,607 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-02 08:36:24,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 08:36:24,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___module_get_6 [2019-10-02 08:36:24,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_5 [2019-10-02 08:36:24,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-10-02 08:36:24,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-10-02 08:36:24,608 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 08:36:24,608 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-02 08:36:24,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 08:36:24,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-02 08:36:24,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-02 08:36:24,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-02 08:36:24,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-02 08:36:24,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 08:36:24,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-02 08:36:24,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-02 08:36:24,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-02 08:36:24,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-02 08:36:24,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-02 08:36:24,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-02 08:36:24,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-02 08:36:24,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-02 08:36:24,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-02 08:36:24,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_iio_info_6 [2019-10-02 08:36:24,611 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_2 [2019-10-02 08:36:24,611 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2019-10-02 08:36:24,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_pm_ops_5 [2019-10-02 08:36:24,611 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2019-10-02 08:36:24,612 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-02 08:36:24,612 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-02 08:36:24,612 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-02 08:36:24,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-02 08:36:24,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_i2c_driver_4 [2019-10-02 08:36:24,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_iio_dev_attr_9 [2019-10-02 08:36:24,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2019-10-02 08:36:24,613 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-02 08:36:24,613 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2019-10-02 08:36:24,613 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-02 08:36:24,613 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-02 08:36:24,613 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-02 08:36:24,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 08:36:24,613 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2019-10-02 08:36:24,614 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-02 08:36:24,614 INFO L130 BoogieDeclarations]: Found specification of procedure __i2c_transfer [2019-10-02 08:36:24,614 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_i2c_block_data [2019-10-02 08:36:24,614 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_i2c_block_data [2019-10-02 08:36:24,614 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2019-10-02 08:36:24,614 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_clientdata [2019-10-02 08:36:24,614 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2019-10-02 08:36:24,615 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2019-10-02 08:36:24,615 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_functionality [2019-10-02 08:36:24,615 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2019-10-02 08:36:24,615 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2019-10-02 08:36:24,615 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-02 08:36:24,615 INFO L130 BoogieDeclarations]: Found specification of procedure iio_device_register [2019-10-02 08:36:24,615 INFO L130 BoogieDeclarations]: Found specification of procedure iio_device_unregister [2019-10-02 08:36:24,615 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_iio_dev [2019-10-02 08:36:24,616 INFO L130 BoogieDeclarations]: Found specification of procedure iio_priv [2019-10-02 08:36:24,616 INFO L130 BoogieDeclarations]: Found specification of procedure devm_iio_device_alloc [2019-10-02 08:36:24,616 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_add_mux_adapter [2019-10-02 08:36:24,616 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_mux_adapter [2019-10-02 08:36:24,616 INFO L130 BoogieDeclarations]: Found specification of procedure iio_read_const_attr [2019-10-02 08:36:24,616 INFO L130 BoogieDeclarations]: Found specification of procedure iio_triggered_buffer_setup [2019-10-02 08:36:24,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_iio_triggered_buffer_setup_7 [2019-10-02 08:36:24,617 INFO L130 BoogieDeclarations]: Found specification of procedure iio_triggered_buffer_cleanup [2019-10-02 08:36:24,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_iio_triggered_buffer_cleanup_8 [2019-10-02 08:36:24,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_iio_triggered_buffer_cleanup_9 [2019-10-02 08:36:24,617 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu6050_irq_handler [2019-10-02 08:36:24,617 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu6050_read_fifo [2019-10-02 08:36:24,617 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu6050_probe_trigger [2019-10-02 08:36:24,617 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu6050_remove_trigger [2019-10-02 08:36:24,618 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu6050_switch_engine [2019-10-02 08:36:24,619 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu6050_write_reg [2019-10-02 08:36:24,622 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu6050_set_power_itg [2019-10-02 08:36:24,623 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu_acpi_create_mux_client [2019-10-02 08:36:24,623 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu_acpi_delete_mux_client [2019-10-02 08:36:24,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 08:36:24,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 08:36:24,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 08:36:24,627 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu6050_write_reg_unlocked [2019-10-02 08:36:24,627 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu6050_select_bypass [2019-10-02 08:36:24,627 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu6050_deselect_bypass [2019-10-02 08:36:24,627 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu6050_init_config [2019-10-02 08:36:24,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-02 08:36:24,627 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu6050_sensor_show [2019-10-02 08:36:24,627 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu6050_read_raw [2019-10-02 08:36:24,628 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu6050_write_gyro_scale [2019-10-02 08:36:24,628 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu6050_write_accel_scale [2019-10-02 08:36:24,628 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu6050_write_raw [2019-10-02 08:36:24,628 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu6050_set_lpf [2019-10-02 08:36:24,628 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu6050_fifo_rate_store [2019-10-02 08:36:24,628 INFO L130 BoogieDeclarations]: Found specification of procedure inv_fifo_rate_show [2019-10-02 08:36:24,628 INFO L130 BoogieDeclarations]: Found specification of procedure inv_attr_show [2019-10-02 08:36:24,629 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu6050_validate_trigger [2019-10-02 08:36:24,629 INFO L130 BoogieDeclarations]: Found specification of procedure inv_check_and_setup_chip [2019-10-02 08:36:24,629 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu_probe [2019-10-02 08:36:24,629 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu_remove [2019-10-02 08:36:24,629 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu_resume [2019-10-02 08:36:24,629 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu_suspend [2019-10-02 08:36:24,630 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu_driver_init [2019-10-02 08:36:24,630 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu_driver_exit [2019-10-02 08:36:24,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thaw_noirq_5 [2019-10-02 08:36:24,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_restore_early_5 [2019-10-02 08:36:24,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_noirq_5 [2019-10-02 08:36:24,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_poweroff_noirq_5 [2019-10-02 08:36:24,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_complete_5 [2019-10-02 08:36:24,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-02 08:36:24,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_late_5 [2019-10-02 08:36:24,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_freeze_noirq_5 [2019-10-02 08:36:24,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_poweroff_late_5 [2019-10-02 08:36:24,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thaw_early_5 [2019-10-02 08:36:24,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_noirq_5 [2019-10-02 08:36:24,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_restore_noirq_5 [2019-10-02 08:36:24,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-02 08:36:24,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_prepare_5 [2019-10-02 08:36:24,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2019-10-02 08:36:24,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_freeze_late_5 [2019-10-02 08:36:24,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_5 [2019-10-02 08:36:24,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_6 [2019-10-02 08:36:24,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_3 [2019-10-02 08:36:24,632 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 08:36:24,632 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-02 08:36:24,632 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-02 08:36:24,632 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-02 08:36:24,632 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_with_offset [2019-10-02 08:36:24,633 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_real [2019-10-02 08:36:24,633 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_real_ns [2019-10-02 08:36:24,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___module_get_18 [2019-10-02 08:36:24,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_17 [2019-10-02 08:36:24,633 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2019-10-02 08:36:24,633 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in [2019-10-02 08:36:24,633 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out [2019-10-02 08:36:24,633 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in_r [2019-10-02 08:36:24,633 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out_r [2019-10-02 08:36:24,634 INFO L130 BoogieDeclarations]: Found specification of procedure iio_get_time_ns [2019-10-02 08:36:24,634 INFO L130 BoogieDeclarations]: Found specification of procedure iio_push_to_buffers [2019-10-02 08:36:24,634 INFO L130 BoogieDeclarations]: Found specification of procedure iio_push_to_buffers_with_timestamp [2019-10-02 08:36:24,634 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_notify_done [2019-10-02 08:36:24,634 INFO L130 BoogieDeclarations]: Found specification of procedure inv_reset_fifo [2019-10-02 08:36:24,634 INFO L130 BoogieDeclarations]: Found specification of procedure inv_clear_kfifo [2019-10-02 08:36:24,634 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-02 08:36:24,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___module_get_24 [2019-10-02 08:36:24,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_23 [2019-10-02 08:36:24,635 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2019-10-02 08:36:24,635 INFO L130 BoogieDeclarations]: Found specification of procedure devm_iio_trigger_alloc [2019-10-02 08:36:24,635 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_get [2019-10-02 08:36:24,635 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_set_drvdata [2019-10-02 08:36:24,635 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_get_drvdata [2019-10-02 08:36:24,635 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_register [2019-10-02 08:36:24,635 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_unregister [2019-10-02 08:36:24,635 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_generic_data_rdy_poll [2019-10-02 08:36:24,636 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2019-10-02 08:36:24,636 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_irq [2019-10-02 08:36:24,636 INFO L130 BoogieDeclarations]: Found specification of procedure inv_scan_query [2019-10-02 08:36:24,636 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu6050_set_enable [2019-10-02 08:36:24,636 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu_data_rdy_trigger_set_state [2019-10-02 08:36:24,636 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-10-02 08:36:24,636 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2019-10-02 08:36:24,636 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2019-10-02 08:36:24,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___module_get_30 [2019-10-02 08:36:24,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_29 [2019-10-02 08:36:24,637 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-02 08:36:24,637 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_new_device [2019-10-02 08:36:24,637 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2019-10-02 08:36:24,637 INFO L130 BoogieDeclarations]: Found specification of procedure dmi_check_system [2019-10-02 08:36:24,637 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_object [2019-10-02 08:36:24,637 INFO L130 BoogieDeclarations]: Found specification of procedure is_acpi_node [2019-10-02 08:36:24,637 INFO L130 BoogieDeclarations]: Found specification of procedure to_acpi_node [2019-10-02 08:36:24,637 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_device_handle [2019-10-02 08:36:24,638 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_dev_free_resource_list [2019-10-02 08:36:24,638 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_dev_get_resources [2019-10-02 08:36:24,638 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_match_device [2019-10-02 08:36:24,638 INFO L130 BoogieDeclarations]: Found specification of procedure asus_t100_matched [2019-10-02 08:36:24,638 INFO L130 BoogieDeclarations]: Found specification of procedure asus_acpi_get_sensor_info [2019-10-02 08:36:24,638 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_i2c_check_resource [2019-10-02 08:36:24,638 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu_process_acpi_config [2019-10-02 08:36:24,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-02 08:36:24,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-02 08:36:24,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-02 08:36:24,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-02 08:36:24,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-02 08:36:24,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-10-02 08:36:24,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-10-02 08:36:24,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-10-02 08:36:24,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-02 08:36:24,639 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-02 08:36:24,640 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-02 08:36:24,640 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 08:36:24,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 08:36:24,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 08:36:24,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-02 08:36:24,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-02 08:36:24,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-02 08:36:24,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 08:36:24,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-02 08:36:24,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-02 08:36:25,861 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-02 08:36:59,008 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-10-02 08:37:36,130 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 08:37:36,131 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-02 08:37:36,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 08:37:36 BoogieIcfgContainer [2019-10-02 08:37:36,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 08:37:36,134 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 08:37:36,135 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 08:37:36,138 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 08:37:36,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 08:36:21" (1/3) ... [2019-10-02 08:37:36,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36810477 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 08:37:36, skipping insertion in model container [2019-10-02 08:37:36,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 08:36:23" (2/3) ... [2019-10-02 08:37:36,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36810477 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 08:37:36, skipping insertion in model container [2019-10-02 08:37:36,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 08:37:36" (3/3) ... [2019-10-02 08:37:36,141 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--iio--imu--inv_mpu6050--inv-mpu6050.ko-entry_point.cil.out.i [2019-10-02 08:37:36,151 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 08:37:36,161 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 08:37:36,178 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 08:37:36,214 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 08:37:36,214 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 08:37:36,215 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 08:37:36,215 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 08:37:36,215 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 08:37:36,215 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 08:37:36,215 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 08:37:36,215 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 08:37:36,215 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 08:37:36,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states. [2019-10-02 08:37:36,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-10-02 08:37:36,283 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:37:36,284 INFO L411 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:37:36,286 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:37:36,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:37:36,292 INFO L82 PathProgramCache]: Analyzing trace with hash -394883377, now seen corresponding path program 1 times [2019-10-02 08:37:36,294 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:37:36,295 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:37:36,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:37:36,392 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:37:36,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:37:36,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:37:37,409 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2019-10-02 08:37:37,412 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:37:37,412 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 08:37:37,417 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 08:37:37,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 08:37:37,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:37:37,434 INFO L87 Difference]: Start difference. First operand 1488 states. Second operand 3 states. [2019-10-02 08:37:39,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:37:39,891 INFO L93 Difference]: Finished difference Result 4120 states and 5527 transitions. [2019-10-02 08:37:39,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 08:37:39,893 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 239 [2019-10-02 08:37:39,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:37:39,928 INFO L225 Difference]: With dead ends: 4120 [2019-10-02 08:37:39,929 INFO L226 Difference]: Without dead ends: 2712 [2019-10-02 08:37:39,941 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:37:39,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2712 states. [2019-10-02 08:37:40,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2712 to 2712. [2019-10-02 08:37:40,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2712 states. [2019-10-02 08:37:40,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 2712 states and 3629 transitions. [2019-10-02 08:37:40,796 INFO L78 Accepts]: Start accepts. Automaton has 2712 states and 3629 transitions. Word has length 239 [2019-10-02 08:37:40,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:37:40,802 INFO L475 AbstractCegarLoop]: Abstraction has 2712 states and 3629 transitions. [2019-10-02 08:37:40,802 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 08:37:40,802 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 3629 transitions. [2019-10-02 08:37:40,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2019-10-02 08:37:40,819 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:37:40,820 INFO L411 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:37:40,820 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:37:40,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:37:40,821 INFO L82 PathProgramCache]: Analyzing trace with hash 2012518377, now seen corresponding path program 1 times [2019-10-02 08:37:40,821 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:37:40,821 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:37:40,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:37:40,840 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:37:40,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:37:41,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:37:41,407 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2019-10-02 08:37:41,407 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:37:41,407 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 08:37:41,409 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 08:37:41,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 08:37:41,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:37:41,410 INFO L87 Difference]: Start difference. First operand 2712 states and 3629 transitions. Second operand 3 states. [2019-10-02 08:37:41,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:37:41,564 INFO L93 Difference]: Finished difference Result 5375 states and 7199 transitions. [2019-10-02 08:37:41,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 08:37:41,564 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 244 [2019-10-02 08:37:41,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:37:41,597 INFO L225 Difference]: With dead ends: 5375 [2019-10-02 08:37:41,597 INFO L226 Difference]: Without dead ends: 5362 [2019-10-02 08:37:41,601 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:37:41,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5362 states. [2019-10-02 08:37:41,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5362 to 5362. [2019-10-02 08:37:41,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5362 states. [2019-10-02 08:37:41,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5362 states to 5362 states and 7184 transitions. [2019-10-02 08:37:41,839 INFO L78 Accepts]: Start accepts. Automaton has 5362 states and 7184 transitions. Word has length 244 [2019-10-02 08:37:41,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:37:41,841 INFO L475 AbstractCegarLoop]: Abstraction has 5362 states and 7184 transitions. [2019-10-02 08:37:41,841 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 08:37:41,841 INFO L276 IsEmpty]: Start isEmpty. Operand 5362 states and 7184 transitions. [2019-10-02 08:37:41,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2019-10-02 08:37:41,865 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:37:41,865 INFO L411 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:37:41,866 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:37:41,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:37:41,866 INFO L82 PathProgramCache]: Analyzing trace with hash 628471253, now seen corresponding path program 1 times [2019-10-02 08:37:41,866 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:37:41,867 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:37:41,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:37:41,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:37:41,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:37:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:37:42,617 INFO L134 CoverageAnalysis]: Checked inductivity of 954 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2019-10-02 08:37:42,618 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:37:42,618 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 08:37:42,620 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 08:37:42,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 08:37:42,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:37:42,622 INFO L87 Difference]: Start difference. First operand 5362 states and 7184 transitions. Second operand 3 states. [2019-10-02 08:37:43,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:37:43,045 INFO L93 Difference]: Finished difference Result 14282 states and 19279 transitions. [2019-10-02 08:37:43,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 08:37:43,045 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 444 [2019-10-02 08:37:43,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:37:43,106 INFO L225 Difference]: With dead ends: 14282 [2019-10-02 08:37:43,107 INFO L226 Difference]: Without dead ends: 8969 [2019-10-02 08:37:43,137 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:37:43,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8969 states. [2019-10-02 08:37:43,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8969 to 8954. [2019-10-02 08:37:43,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8954 states. [2019-10-02 08:37:43,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8954 states to 8954 states and 12146 transitions. [2019-10-02 08:37:43,562 INFO L78 Accepts]: Start accepts. Automaton has 8954 states and 12146 transitions. Word has length 444 [2019-10-02 08:37:43,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:37:43,563 INFO L475 AbstractCegarLoop]: Abstraction has 8954 states and 12146 transitions. [2019-10-02 08:37:43,563 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 08:37:43,567 INFO L276 IsEmpty]: Start isEmpty. Operand 8954 states and 12146 transitions. [2019-10-02 08:37:43,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545 [2019-10-02 08:37:43,604 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:37:43,605 INFO L411 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:37:43,605 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:37:43,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:37:43,606 INFO L82 PathProgramCache]: Analyzing trace with hash -837639696, now seen corresponding path program 1 times [2019-10-02 08:37:43,606 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:37:43,606 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:37:43,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:37:43,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:37:43,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:37:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:37:44,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1815 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1794 trivial. 0 not checked. [2019-10-02 08:37:44,409 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:37:44,409 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 08:37:44,411 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 08:37:44,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 08:37:44,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:37:44,411 INFO L87 Difference]: Start difference. First operand 8954 states and 12146 transitions. Second operand 3 states. [2019-10-02 08:37:44,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:37:44,696 INFO L93 Difference]: Finished difference Result 17891 states and 24565 transitions. [2019-10-02 08:37:44,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 08:37:44,697 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 544 [2019-10-02 08:37:44,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:37:44,780 INFO L225 Difference]: With dead ends: 17891 [2019-10-02 08:37:44,780 INFO L226 Difference]: Without dead ends: 8986 [2019-10-02 08:37:44,825 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 08:37:44,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8986 states. [2019-10-02 08:37:45,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8986 to 8970. [2019-10-02 08:37:45,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8970 states. [2019-10-02 08:37:45,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8970 states to 8970 states and 12162 transitions. [2019-10-02 08:37:45,437 INFO L78 Accepts]: Start accepts. Automaton has 8970 states and 12162 transitions. Word has length 544 [2019-10-02 08:37:45,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:37:45,438 INFO L475 AbstractCegarLoop]: Abstraction has 8970 states and 12162 transitions. [2019-10-02 08:37:45,438 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 08:37:45,438 INFO L276 IsEmpty]: Start isEmpty. Operand 8970 states and 12162 transitions. [2019-10-02 08:37:45,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2019-10-02 08:37:45,471 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:37:45,472 INFO L411 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:37:45,472 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:37:45,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:37:45,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1258775308, now seen corresponding path program 1 times [2019-10-02 08:37:45,473 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:37:45,473 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:37:45,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:37:45,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:37:45,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:37:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:37:46,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1802 trivial. 0 not checked. [2019-10-02 08:37:46,190 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:37:46,190 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 08:37:46,191 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 08:37:46,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 08:37:46,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 08:37:46,191 INFO L87 Difference]: Start difference. First operand 8970 states and 12162 transitions. Second operand 5 states. [2019-10-02 08:37:46,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:37:46,716 INFO L93 Difference]: Finished difference Result 17915 states and 24291 transitions. [2019-10-02 08:37:46,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 08:37:46,716 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 554 [2019-10-02 08:37:46,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:37:46,760 INFO L225 Difference]: With dead ends: 17915 [2019-10-02 08:37:46,761 INFO L226 Difference]: Without dead ends: 8994 [2019-10-02 08:37:46,798 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-02 08:37:46,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8994 states. [2019-10-02 08:37:47,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8994 to 8986. [2019-10-02 08:37:47,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8986 states. [2019-10-02 08:37:47,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8986 states to 8986 states and 12178 transitions. [2019-10-02 08:37:47,170 INFO L78 Accepts]: Start accepts. Automaton has 8986 states and 12178 transitions. Word has length 554 [2019-10-02 08:37:47,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:37:47,173 INFO L475 AbstractCegarLoop]: Abstraction has 8986 states and 12178 transitions. [2019-10-02 08:37:47,173 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 08:37:47,173 INFO L276 IsEmpty]: Start isEmpty. Operand 8986 states and 12178 transitions. [2019-10-02 08:37:47,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 579 [2019-10-02 08:37:47,210 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:37:47,211 INFO L411 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:37:47,211 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:37:47,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:37:47,212 INFO L82 PathProgramCache]: Analyzing trace with hash -485129564, now seen corresponding path program 1 times [2019-10-02 08:37:47,212 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:37:47,212 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:37:47,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:37:47,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:37:47,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:37:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:37:48,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1802 trivial. 0 not checked. [2019-10-02 08:37:48,344 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:37:48,345 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 08:37:48,346 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 08:37:48,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 08:37:48,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 08:37:48,346 INFO L87 Difference]: Start difference. First operand 8986 states and 12178 transitions. Second operand 5 states. [2019-10-02 08:38:01,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:38:01,119 INFO L93 Difference]: Finished difference Result 29697 states and 40765 transitions. [2019-10-02 08:38:01,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 08:38:01,120 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 578 [2019-10-02 08:38:01,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:38:01,238 INFO L225 Difference]: With dead ends: 29697 [2019-10-02 08:38:01,238 INFO L226 Difference]: Without dead ends: 20760 [2019-10-02 08:38:01,282 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-02 08:38:01,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20760 states. [2019-10-02 08:38:01,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20760 to 19106. [2019-10-02 08:38:01,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19106 states. [2019-10-02 08:38:02,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19106 states to 19106 states and 25745 transitions. [2019-10-02 08:38:02,055 INFO L78 Accepts]: Start accepts. Automaton has 19106 states and 25745 transitions. Word has length 578 [2019-10-02 08:38:02,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:38:02,057 INFO L475 AbstractCegarLoop]: Abstraction has 19106 states and 25745 transitions. [2019-10-02 08:38:02,057 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 08:38:02,057 INFO L276 IsEmpty]: Start isEmpty. Operand 19106 states and 25745 transitions. [2019-10-02 08:38:02,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 580 [2019-10-02 08:38:02,131 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:38:02,132 INFO L411 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:38:02,132 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:38:02,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:38:02,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1844566678, now seen corresponding path program 1 times [2019-10-02 08:38:02,133 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:38:02,133 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:38:02,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:38:02,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:38:02,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:38:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:38:03,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1802 trivial. 0 not checked. [2019-10-02 08:38:03,341 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:38:03,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 08:38:03,343 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 08:38:03,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 08:38:03,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 08:38:03,343 INFO L87 Difference]: Start difference. First operand 19106 states and 25745 transitions. Second operand 5 states. [2019-10-02 08:38:16,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:38:16,005 INFO L93 Difference]: Finished difference Result 60571 states and 83087 transitions. [2019-10-02 08:38:16,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 08:38:16,005 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 579 [2019-10-02 08:38:16,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:38:16,196 INFO L225 Difference]: With dead ends: 60571 [2019-10-02 08:38:16,196 INFO L226 Difference]: Without dead ends: 41514 [2019-10-02 08:38:16,260 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-02 08:38:16,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41514 states. [2019-10-02 08:38:17,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41514 to 38310. [2019-10-02 08:38:17,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38310 states. [2019-10-02 08:38:17,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38310 states to 38310 states and 51655 transitions. [2019-10-02 08:38:17,671 INFO L78 Accepts]: Start accepts. Automaton has 38310 states and 51655 transitions. Word has length 579 [2019-10-02 08:38:17,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:38:17,672 INFO L475 AbstractCegarLoop]: Abstraction has 38310 states and 51655 transitions. [2019-10-02 08:38:17,672 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 08:38:17,672 INFO L276 IsEmpty]: Start isEmpty. Operand 38310 states and 51655 transitions. [2019-10-02 08:38:17,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2019-10-02 08:38:17,762 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:38:17,763 INFO L411 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:38:17,763 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:38:17,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:38:17,764 INFO L82 PathProgramCache]: Analyzing trace with hash -637304856, now seen corresponding path program 1 times [2019-10-02 08:38:17,764 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:38:17,764 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:38:17,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:38:17,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:38:17,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:38:17,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:38:19,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1802 trivial. 0 not checked. [2019-10-02 08:38:19,989 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:38:19,990 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 08:38:19,991 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 08:38:19,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 08:38:19,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 08:38:19,994 INFO L87 Difference]: Start difference. First operand 38310 states and 51655 transitions. Second operand 5 states. [2019-10-02 08:38:33,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:38:33,969 INFO L93 Difference]: Finished difference Result 121515 states and 166929 transitions. [2019-10-02 08:38:33,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 08:38:33,969 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 580 [2019-10-02 08:38:33,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:38:34,338 INFO L225 Difference]: With dead ends: 121515 [2019-10-02 08:38:34,338 INFO L226 Difference]: Without dead ends: 83254 [2019-10-02 08:38:34,473 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-02 08:38:34,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83254 states. [2019-10-02 08:38:37,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83254 to 76874. [2019-10-02 08:38:37,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76874 states. [2019-10-02 08:38:37,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76874 states to 76874 states and 103723 transitions. [2019-10-02 08:38:37,719 INFO L78 Accepts]: Start accepts. Automaton has 76874 states and 103723 transitions. Word has length 580 [2019-10-02 08:38:37,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:38:37,720 INFO L475 AbstractCegarLoop]: Abstraction has 76874 states and 103723 transitions. [2019-10-02 08:38:37,720 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 08:38:37,720 INFO L276 IsEmpty]: Start isEmpty. Operand 76874 states and 103723 transitions. [2019-10-02 08:38:37,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2019-10-02 08:38:37,787 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:38:37,788 INFO L411 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:38:37,788 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:38:37,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:38:37,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1953922086, now seen corresponding path program 1 times [2019-10-02 08:38:37,789 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:38:37,789 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:38:37,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:38:37,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:38:37,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:38:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:38:38,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1802 trivial. 0 not checked. [2019-10-02 08:38:38,576 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:38:38,576 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 08:38:38,577 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 08:38:38,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 08:38:38,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 08:38:38,582 INFO L87 Difference]: Start difference. First operand 76874 states and 103723 transitions. Second operand 5 states. [2019-10-02 08:38:53,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:38:53,882 INFO L93 Difference]: Finished difference Result 243067 states and 334473 transitions. [2019-10-02 08:38:53,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 08:38:53,882 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 581 [2019-10-02 08:38:53,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:38:54,669 INFO L225 Difference]: With dead ends: 243067 [2019-10-02 08:38:54,670 INFO L226 Difference]: Without dead ends: 166242 [2019-10-02 08:38:54,874 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-02 08:38:55,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166242 states. [2019-10-02 08:38:59,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166242 to 153530. [2019-10-02 08:38:59,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153530 states. [2019-10-02 08:39:04,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153530 states to 153530 states and 207463 transitions. [2019-10-02 08:39:04,459 INFO L78 Accepts]: Start accepts. Automaton has 153530 states and 207463 transitions. Word has length 581 [2019-10-02 08:39:04,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:39:04,460 INFO L475 AbstractCegarLoop]: Abstraction has 153530 states and 207463 transitions. [2019-10-02 08:39:04,461 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 08:39:04,461 INFO L276 IsEmpty]: Start isEmpty. Operand 153530 states and 207463 transitions. [2019-10-02 08:39:04,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 603 [2019-10-02 08:39:04,511 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:39:04,512 INFO L411 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:39:04,512 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:39:04,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:39:04,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1037750438, now seen corresponding path program 1 times [2019-10-02 08:39:04,513 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:39:04,513 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:39:04,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:39:04,523 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:39:04,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:39:04,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:39:05,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1841 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 1814 trivial. 0 not checked. [2019-10-02 08:39:05,162 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:39:05,162 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 08:39:05,163 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 08:39:05,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 08:39:05,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 08:39:05,164 INFO L87 Difference]: Start difference. First operand 153530 states and 207463 transitions. Second operand 6 states. [2019-10-02 08:39:14,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:39:14,023 INFO L93 Difference]: Finished difference Result 461372 states and 623283 transitions. [2019-10-02 08:39:14,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-02 08:39:14,023 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 602 [2019-10-02 08:39:14,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:39:20,482 INFO L225 Difference]: With dead ends: 461372 [2019-10-02 08:39:20,482 INFO L226 Difference]: Without dead ends: 307891 [2019-10-02 08:39:20,855 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-02 08:39:21,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307891 states. [2019-10-02 08:39:33,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307891 to 307622. [2019-10-02 08:39:33,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307622 states. [2019-10-02 08:39:33,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307622 states to 307622 states and 415557 transitions. [2019-10-02 08:39:33,865 INFO L78 Accepts]: Start accepts. Automaton has 307622 states and 415557 transitions. Word has length 602 [2019-10-02 08:39:33,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:39:33,866 INFO L475 AbstractCegarLoop]: Abstraction has 307622 states and 415557 transitions. [2019-10-02 08:39:33,866 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 08:39:33,866 INFO L276 IsEmpty]: Start isEmpty. Operand 307622 states and 415557 transitions. [2019-10-02 08:39:33,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2019-10-02 08:39:33,958 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:39:33,958 INFO L411 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:39:33,959 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:39:33,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:39:33,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1345926303, now seen corresponding path program 1 times [2019-10-02 08:39:33,960 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:39:33,960 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:39:33,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:39:33,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:39:33,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:39:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:39:34,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1841 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 1814 trivial. 0 not checked. [2019-10-02 08:39:34,825 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 08:39:34,825 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-02 08:39:34,826 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 08:39:34,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 08:39:34,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-02 08:39:34,827 INFO L87 Difference]: Start difference. First operand 307622 states and 415557 transitions. Second operand 8 states. [2019-10-02 08:40:07,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:40:07,434 INFO L93 Difference]: Finished difference Result 766379 states and 1042581 transitions. [2019-10-02 08:40:07,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-02 08:40:07,434 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 597 [2019-10-02 08:40:07,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:40:08,926 INFO L225 Difference]: With dead ends: 766379 [2019-10-02 08:40:08,926 INFO L226 Difference]: Without dead ends: 458806 [2019-10-02 08:40:09,367 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2019-10-02 08:40:09,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458806 states. [2019-10-02 08:40:36,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458806 to 450598. [2019-10-02 08:40:36,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450598 states. [2019-10-02 08:40:37,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450598 states to 450598 states and 611505 transitions. [2019-10-02 08:40:37,853 INFO L78 Accepts]: Start accepts. Automaton has 450598 states and 611505 transitions. Word has length 597 [2019-10-02 08:40:37,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:40:37,854 INFO L475 AbstractCegarLoop]: Abstraction has 450598 states and 611505 transitions. [2019-10-02 08:40:37,854 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 08:40:37,854 INFO L276 IsEmpty]: Start isEmpty. Operand 450598 states and 611505 transitions. [2019-10-02 08:40:37,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2019-10-02 08:40:37,929 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:40:37,929 INFO L411 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:40:37,930 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:40:37,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:40:37,930 INFO L82 PathProgramCache]: Analyzing trace with hash -659959954, now seen corresponding path program 1 times [2019-10-02 08:40:37,930 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:40:37,930 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:40:37,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:40:37,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:40:37,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:40:38,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:40:45,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1841 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 1799 trivial. 0 not checked. [2019-10-02 08:40:45,739 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 08:40:45,739 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 08:40:46,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:40:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:40:47,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 5870 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-02 08:40:47,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 08:40:47,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1841 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 1797 trivial. 0 not checked. [2019-10-02 08:40:47,484 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 08:40:47,485 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2019-10-02 08:40:47,486 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-02 08:40:47,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-02 08:40:47,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2019-10-02 08:40:47,487 INFO L87 Difference]: Start difference. First operand 450598 states and 611505 transitions. Second operand 13 states. [2019-10-02 08:42:16,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:42:16,272 INFO L93 Difference]: Finished difference Result 1352298 states and 1851649 transitions. [2019-10-02 08:42:16,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2019-10-02 08:42:16,273 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 598 [2019-10-02 08:42:16,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:42:20,636 INFO L225 Difference]: With dead ends: 1352298 [2019-10-02 08:42:20,637 INFO L226 Difference]: Without dead ends: 901749 [2019-10-02 08:42:21,339 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 679 GetRequests, 620 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1078 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=418, Invalid=3242, Unknown=0, NotChecked=0, Total=3660 [2019-10-02 08:42:22,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901749 states. [2019-10-02 08:43:26,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901749 to 889790. [2019-10-02 08:43:26,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 889790 states. [2019-10-02 08:43:30,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889790 states to 889790 states and 1209697 transitions. [2019-10-02 08:43:30,099 INFO L78 Accepts]: Start accepts. Automaton has 889790 states and 1209697 transitions. Word has length 598 [2019-10-02 08:43:30,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 08:43:30,100 INFO L475 AbstractCegarLoop]: Abstraction has 889790 states and 1209697 transitions. [2019-10-02 08:43:30,100 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-02 08:43:30,100 INFO L276 IsEmpty]: Start isEmpty. Operand 889790 states and 1209697 transitions. [2019-10-02 08:43:30,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 671 [2019-10-02 08:43:30,200 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 08:43:30,201 INFO L411 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 08:43:30,202 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 08:43:30,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 08:43:30,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1396863035, now seen corresponding path program 1 times [2019-10-02 08:43:30,202 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 08:43:30,202 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 08:43:30,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:43:30,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:43:30,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 08:43:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:43:41,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1915 backedges. 34 proven. 7 refuted. 0 times theorem prover too weak. 1874 trivial. 0 not checked. [2019-10-02 08:43:41,128 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 08:43:41,128 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 08:43:41,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 08:43:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 08:43:42,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 6422 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-02 08:43:42,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 08:43:42,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1915 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 1831 trivial. 0 not checked. [2019-10-02 08:43:42,824 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 08:43:42,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2019-10-02 08:43:42,825 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 08:43:42,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 08:43:42,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 08:43:42,826 INFO L87 Difference]: Start difference. First operand 889790 states and 1209697 transitions. Second operand 7 states. [2019-10-02 08:44:19,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 08:44:19,261 INFO L93 Difference]: Finished difference Result 1794123 states and 2470653 transitions. [2019-10-02 08:44:19,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 08:44:19,262 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 670 [2019-10-02 08:44:19,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 08:44:23,932 INFO L225 Difference]: With dead ends: 1794123 [2019-10-02 08:44:23,932 INFO L226 Difference]: Without dead ends: 904382 [2019-10-02 08:44:25,117 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 677 GetRequests, 669 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-10-02 08:44:25,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904382 states.