/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_64.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 01:58:42,495 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 01:58:42,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 01:58:42,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-24 01:58:42,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 01:58:42,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 01:58:42,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 01:58:42,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 01:58:42,598 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 01:58:42,610 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 01:58:42,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 01:58:42,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 01:58:42,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 01:58:42,617 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 01:58:42,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 01:58:42,619 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 01:58:42,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-24 01:58:42,631 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 01:58:42,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 01:58:42,633 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 01:58:42,634 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_64.epf [2021-02-24 01:58:42,646 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 01:58:42,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 01:58:42,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 01:58:42,648 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 01:58:42,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 01:58:42,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 01:58:42,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 01:58:42,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 01:58:42,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 01:58:42,650 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 01:58:42,650 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 01:58:42,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 01:58:42,650 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 01:58:42,651 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 01:58:42,651 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 01:58:42,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 01:58:42,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 01:58:42,652 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 01:58:42,652 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 01:58:42,652 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-24 01:58:43,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 01:58:43,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 01:58:43,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 01:58:43,095 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 01:58:43,096 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 01:58:43,097 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i [2021-02-24 01:58:43,193 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5713e6ad/2e2af86f04214b0fa7dfd76cc49eeec9/FLAG224bf3a23 [2021-02-24 01:58:44,182 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 01:58:44,183 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i [2021-02-24 01:58:44,240 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5713e6ad/2e2af86f04214b0fa7dfd76cc49eeec9/FLAG224bf3a23 [2021-02-24 01:58:44,708 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5713e6ad/2e2af86f04214b0fa7dfd76cc49eeec9 [2021-02-24 01:58:44,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 01:58:44,727 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 01:58:44,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 01:58:44,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 01:58:44,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 01:58:44,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 01:58:44" (1/1) ... [2021-02-24 01:58:44,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e481883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:58:44, skipping insertion in model container [2021-02-24 01:58:44,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 01:58:44" (1/1) ... [2021-02-24 01:58:44,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 01:58:44,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 01:58:45,560 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4416] [2021-02-24 01:58:46,267 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i[152151,152164] [2021-02-24 01:58:47,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 01:58:47,245 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 01:58:47,401 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4416] [2021-02-24 01:58:47,442 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i[152151,152164] [2021-02-24 01:58:47,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 01:58:48,207 INFO L208 MainTranslator]: Completed translation [2021-02-24 01:58:48,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:58:48 WrapperNode [2021-02-24 01:58:48,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 01:58:48,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 01:58:48,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 01:58:48,209 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 01:58:48,222 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:58:48" (1/1) ... [2021-02-24 01:58:48,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:58:48" (1/1) ... [2021-02-24 01:58:48,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:58:48" (1/1) ... [2021-02-24 01:58:48,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:58:48" (1/1) ... [2021-02-24 01:58:49,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:58:48" (1/1) ... [2021-02-24 01:58:49,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:58:48" (1/1) ... [2021-02-24 01:58:49,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:58:48" (1/1) ... [2021-02-24 01:58:49,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 01:58:49,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 01:58:49,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 01:58:49,397 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 01:58:49,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:58:48" (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 [2021-02-24 01:58:49,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 01:58:49,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 01:58:49,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-02-24 01:58:49,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-02-24 01:58:49,506 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 01:58:49,506 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2021-02-24 01:58:49,506 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-02-24 01:58:49,507 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_isoc [2021-02-24 01:58:49,507 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_isoc_in [2021-02-24 01:58:49,507 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-02-24 01:58:49,507 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-02-24 01:58:49,507 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-02-24 01:58:49,507 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-02-24 01:58:49,507 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-02-24 01:58:49,508 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-02-24 01:58:49,508 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2021-02-24 01:58:49,508 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-02-24 01:58:49,508 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-02-24 01:58:49,508 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-02-24 01:58:49,508 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-02-24 01:58:49,509 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-02-24 01:58:49,509 INFO L138 BoogieDeclarations]: Found implementation of procedure list_is_singular [2021-02-24 01:58:49,509 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-02-24 01:58:49,509 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-02-24 01:58:49,509 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-02-24 01:58:49,509 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2021-02-24 01:58:49,509 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-02-24 01:58:49,510 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2021-02-24 01:58:49,510 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-02-24 01:58:49,510 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2021-02-24 01:58:49,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-02-24 01:58:49,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-02-24 01:58:49,510 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-02-24 01:58:49,510 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-02-24 01:58:49,511 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-02-24 01:58:49,511 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-02-24 01:58:49,511 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-02-24 01:58:49,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-02-24 01:58:49,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-02-24 01:58:49,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-02-24 01:58:49,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2021-02-24 01:58:49,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-02-24 01:58:49,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-02-24 01:58:49,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-02-24 01:58:49,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2021-02-24 01:58:49,512 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-02-24 01:58:49,512 INFO L138 BoogieDeclarations]: Found implementation of procedure video_register_device [2021-02-24 01:58:49,512 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2021-02-24 01:58:49,513 INFO L138 BoogieDeclarations]: Found implementation of procedure video_set_drvdata [2021-02-24 01:58:49,513 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2021-02-24 01:58:49,513 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2021-02-24 01:58:49,513 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_write_reg [2021-02-24 01:58:49,513 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_read_reg [2021-02-24 01:58:49,513 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_start_stream [2021-02-24 01:58:49,513 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_stop_stream [2021-02-24 01:58:49,514 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_initialise [2021-02-24 01:58:49,514 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_isoc_handler [2021-02-24 01:58:49,514 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_prepare_iso [2021-02-24 01:58:49,514 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_clean_iso [2021-02-24 01:58:49,514 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_setup_siobuf [2021-02-24 01:58:49,514 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_free_sio_buffers [2021-02-24 01:58:49,514 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_prepare_sio_buffers [2021-02-24 01:58:49,515 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_allocate_buffers [2021-02-24 01:58:49,515 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_free_buffers [2021-02-24 01:58:49,515 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_stk_open [2021-02-24 01:58:49,515 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_stk_release [2021-02-24 01:58:49,515 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_read [2021-02-24 01:58:49,515 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_stk_read [2021-02-24 01:58:49,515 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_stk_poll [2021-02-24 01:58:49,516 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_v4l_vm_open [2021-02-24 01:58:49,516 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_v4l_vm_close [2021-02-24 01:58:49,516 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_stk_mmap [2021-02-24 01:58:49,516 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_querycap [2021-02-24 01:58:49,516 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_enum_input [2021-02-24 01:58:49,516 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_g_input [2021-02-24 01:58:49,517 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_s_input [2021-02-24 01:58:49,517 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_s_ctrl [2021-02-24 01:58:49,517 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_enum_fmt_vid_cap [2021-02-24 01:58:49,517 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_g_fmt_vid_cap [2021-02-24 01:58:49,517 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_try_fmt_vid_cap [2021-02-24 01:58:49,517 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_try_fmt_vid_cap [2021-02-24 01:58:49,517 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_setup_format [2021-02-24 01:58:49,518 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_s_fmt_vid_cap [2021-02-24 01:58:49,518 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_reqbufs [2021-02-24 01:58:49,518 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_querybuf [2021-02-24 01:58:49,518 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_qbuf [2021-02-24 01:58:49,518 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_dqbuf [2021-02-24 01:58:49,518 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_streamon [2021-02-24 01:58:49,518 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_streamoff [2021-02-24 01:58:49,519 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_g_parm [2021-02-24 01:58:49,519 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_enum_framesizes [2021-02-24 01:58:49,519 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_v4l_dev_release [2021-02-24 01:58:49,519 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_register_video_device [2021-02-24 01:58:49,519 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_probe [2021-02-24 01:58:49,519 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_disconnect [2021-02-24 01:58:49,520 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_suspend [2021-02-24 01:58:49,520 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_resume [2021-02-24 01:58:49,520 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_driver_init [2021-02-24 01:58:49,520 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_driver_exit [2021-02-24 01:58:49,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_v4l2_ioctl_ops_3 [2021-02-24 01:58:49,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_vm_operations_struct_6 [2021-02-24 01:58:49,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2021-02-24 01:58:49,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_v4l2_file_operations_4 [2021-02-24 01:58:49,521 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 01:58:49,521 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-02-24 01:58:49,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2021-02-24 01:58:49,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2021-02-24 01:58:49,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_4 [2021-02-24 01:58:49,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_5 [2021-02-24 01:58:49,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_6 [2021-02-24 01:58:49,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_7 [2021-02-24 01:58:49,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_8 [2021-02-24 01:58:49,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf_9 [2021-02-24 01:58:49,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_10 [2021-02-24 01:58:49,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_11 [2021-02-24 01:58:49,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_15 [2021-02-24 01:58:49,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_16 [2021-02-24 01:58:49,523 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_outb [2021-02-24 01:58:49,523 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_inb [2021-02-24 01:58:49,523 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_write_regvals [2021-02-24 01:58:49,523 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_sleep [2021-02-24 01:58:49,523 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_wakeup [2021-02-24 01:58:49,523 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_init [2021-02-24 01:58:49,523 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_set_hw [2021-02-24 01:58:49,524 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_configure [2021-02-24 01:58:49,524 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_set_brightness [2021-02-24 01:58:49,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2021-02-24 01:58:49,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2021-02-24 01:58:49,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2021-02-24 01:58:49,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2021-02-24 01:58:49,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2021-02-24 01:58:49,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2021-02-24 01:58:49,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2021-02-24 01:58:49,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2021-02-24 01:58:49,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2021-02-24 01:58:49,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2021-02-24 01:58:49,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2021-02-24 01:58:49,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2021-02-24 01:58:49,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2021-02-24 01:58:49,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2021-02-24 01:58:49,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2021-02-24 01:58:49,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2021-02-24 01:58:49,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-02-24 01:58:49,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-02-24 01:58:49,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-02-24 01:58:49,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-02-24 01:58:49,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-02-24 01:58:49,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __printk_ratelimit [2021-02-24 01:58:49,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-02-24 01:58:49,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __video_register_device [2021-02-24 01:58:49,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-02-24 01:58:49,528 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-02-24 01:58:49,528 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-02-24 01:58:49,528 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2021-02-24 01:58:49,528 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2021-02-24 01:58:49,528 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-02-24 01:58:49,528 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-02-24 01:58:49,528 INFO L138 BoogieDeclarations]: Found implementation of procedure dmi_check_system [2021-02-24 01:58:49,529 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-02-24 01:58:49,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-02-24 01:58:49,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_2 [2021-02-24 01:58:49,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2021-02-24 01:58:49,529 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-02-24 01:58:49,529 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-02-24 01:58:49,529 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-02-24 01:58:49,530 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-02-24 01:58:49,530 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-02-24 01:58:49,530 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-02-24 01:58:49,530 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2021-02-24 01:58:49,530 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_vmalloc_range [2021-02-24 01:58:49,530 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-02-24 01:58:49,530 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-02-24 01:58:49,530 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2021-02-24 01:58:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2021-02-24 01:58:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-02-24 01:58:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2021-02-24 01:58:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-02-24 01:58:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2021-02-24 01:58:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_init_class [2021-02-24 01:58:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_log_status [2021-02-24 01:58:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-02-24 01:58:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_poll [2021-02-24 01:58:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2021-02-24 01:58:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_register [2021-02-24 01:58:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2021-02-24 01:58:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2021-02-24 01:58:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_open [2021-02-24 01:58:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_release [2021-02-24 01:58:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_timestamp [2021-02-24 01:58:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-02-24 01:58:49,533 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2021-02-24 01:58:49,533 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2021-02-24 01:58:49,533 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2021-02-24 01:58:49,533 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_user [2021-02-24 01:58:49,533 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2021-02-24 01:58:49,533 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-02-24 01:58:49,534 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-02-24 01:58:49,534 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-02-24 01:58:49,534 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-02-24 01:58:49,534 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-02-24 01:58:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 01:58:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 01:58:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-24 01:58:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-24 01:58:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 01:58:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 01:58:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-02-24 01:58:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-02-24 01:58:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2021-02-24 01:58:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2021-02-24 01:58:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 01:58:49,535 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-02-24 01:58:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_isoc [2021-02-24 01:58:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_isoc_in [2021-02-24 01:58:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-02-24 01:58:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-02-24 01:58:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2021-02-24 01:58:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure __printk_ratelimit [2021-02-24 01:58:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-02-24 01:58:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2021-02-24 01:58:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-02-24 01:58:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-02-24 01:58:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-02-24 01:58:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-02-24 01:58:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-02-24 01:58:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2021-02-24 01:58:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-02-24 01:58:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-24 01:58:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-02-24 01:58:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-02-24 01:58:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-24 01:58:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-02-24 01:58:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-02-24 01:58:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-02-24 01:58:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-02-24 01:58:49,539 INFO L130 BoogieDeclarations]: Found specification of procedure list_is_singular [2021-02-24 01:58:49,539 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-02-24 01:58:49,539 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-02-24 01:58:49,539 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2021-02-24 01:58:49,539 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-02-24 01:58:49,539 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-02-24 01:58:49,539 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-02-24 01:58:49,539 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-02-24 01:58:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-02-24 01:58:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-02-24 01:58:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2021-02-24 01:58:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-02-24 01:58:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-02-24 01:58:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-02-24 01:58:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-02-24 01:58:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_user [2021-02-24 01:58:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-02-24 01:58:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure remap_vmalloc_range [2021-02-24 01:58:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-02-24 01:58:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-02-24 01:58:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2021-02-24 01:58:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-02-24 01:58:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-02-24 01:58:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-02-24 01:58:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2021-02-24 01:58:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-02-24 01:58:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2021-02-24 01:58:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-02-24 01:58:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_11 [2021-02-24 01:58:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_10 [2021-02-24 01:58:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2021-02-24 01:58:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf_9 [2021-02-24 01:58:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-02-24 01:58:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_7 [2021-02-24 01:58:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_8 [2021-02-24 01:58:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2021-02-24 01:58:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2021-02-24 01:58:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_15 [2021-02-24 01:58:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2021-02-24 01:58:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_16 [2021-02-24 01:58:49,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_4 [2021-02-24 01:58:49,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_5 [2021-02-24 01:58:49,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_6 [2021-02-24 01:58:49,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2021-02-24 01:58:49,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2021-02-24 01:58:49,544 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-02-24 01:58:49,544 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-02-24 01:58:49,544 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-02-24 01:58:49,545 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-02-24 01:58:49,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2021-02-24 01:58:49,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2021-02-24 01:58:49,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2021-02-24 01:58:49,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2021-02-24 01:58:49,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2021-02-24 01:58:49,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2021-02-24 01:58:49,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2021-02-24 01:58:49,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2021-02-24 01:58:49,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2021-02-24 01:58:49,546 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-02-24 01:58:49,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-02-24 01:58:49,546 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-02-24 01:58:49,546 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-02-24 01:58:49,546 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-02-24 01:58:49,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-02-24 01:58:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-02-24 01:58:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-02-24 01:58:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-02-24 01:58:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-24 01:58:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-24 01:58:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 01:58:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2021-02-24 01:58:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2021-02-24 01:58:49,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2021-02-24 01:58:49,548 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-02-24 01:58:49,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-24 01:58:49,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-02-24 01:58:49,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-02-24 01:58:49,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2021-02-24 01:58:49,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-02-24 01:58:49,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-02-24 01:58:49,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2021-02-24 01:58:49,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_v4l2_ioctl_ops_3 [2021-02-24 01:58:49,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_vm_operations_struct_6 [2021-02-24 01:58:49,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2021-02-24 01:58:49,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_v4l2_file_operations_4 [2021-02-24 01:58:49,549 INFO L130 BoogieDeclarations]: Found specification of procedure dmi_check_system [2021-02-24 01:58:49,549 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-02-24 01:58:49,549 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-02-24 01:58:49,549 INFO L130 BoogieDeclarations]: Found specification of procedure __video_register_device [2021-02-24 01:58:49,550 INFO L130 BoogieDeclarations]: Found specification of procedure video_register_device [2021-02-24 01:58:49,550 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2021-02-24 01:58:49,550 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2021-02-24 01:58:49,550 INFO L130 BoogieDeclarations]: Found specification of procedure video_set_drvdata [2021-02-24 01:58:49,550 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2021-02-24 01:58:49,550 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2021-02-24 01:58:49,550 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2021-02-24 01:58:49,550 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_timestamp [2021-02-24 01:58:49,550 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2021-02-24 01:58:49,551 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2021-02-24 01:58:49,551 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_open [2021-02-24 01:58:49,551 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_release [2021-02-24 01:58:49,551 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_register [2021-02-24 01:58:49,551 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2021-02-24 01:58:49,551 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_init_class [2021-02-24 01:58:49,551 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2021-02-24 01:58:49,551 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-02-24 01:58:49,551 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_log_status [2021-02-24 01:58:49,552 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2021-02-24 01:58:49,552 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_poll [2021-02-24 01:58:49,552 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_write_reg [2021-02-24 01:58:49,552 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_read_reg [2021-02-24 01:58:49,552 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_init [2021-02-24 01:58:49,552 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_configure [2021-02-24 01:58:49,552 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_sleep [2021-02-24 01:58:49,552 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_wakeup [2021-02-24 01:58:49,552 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_set_brightness [2021-02-24 01:58:49,553 INFO L130 BoogieDeclarations]: Found specification of procedure stk_start_stream [2021-02-24 01:58:49,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 01:58:49,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 01:58:49,553 INFO L130 BoogieDeclarations]: Found specification of procedure stk_stop_stream [2021-02-24 01:58:49,553 INFO L130 BoogieDeclarations]: Found specification of procedure stk_initialise [2021-02-24 01:58:49,553 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-02-24 01:58:49,553 INFO L130 BoogieDeclarations]: Found specification of procedure stk_isoc_handler [2021-02-24 01:58:49,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-02-24 01:58:49,553 INFO L130 BoogieDeclarations]: Found specification of procedure stk_prepare_iso [2021-02-24 01:58:49,554 INFO L130 BoogieDeclarations]: Found specification of procedure stk_clean_iso [2021-02-24 01:58:49,554 INFO L130 BoogieDeclarations]: Found specification of procedure stk_setup_siobuf [2021-02-24 01:58:49,554 INFO L130 BoogieDeclarations]: Found specification of procedure stk_free_sio_buffers [2021-02-24 01:58:49,554 INFO L130 BoogieDeclarations]: Found specification of procedure stk_prepare_sio_buffers [2021-02-24 01:58:49,554 INFO L130 BoogieDeclarations]: Found specification of procedure stk_allocate_buffers [2021-02-24 01:58:49,554 INFO L130 BoogieDeclarations]: Found specification of procedure stk_free_buffers [2021-02-24 01:58:49,554 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_stk_open [2021-02-24 01:58:49,554 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_stk_release [2021-02-24 01:58:49,554 INFO L130 BoogieDeclarations]: Found specification of procedure stk_read [2021-02-24 01:58:49,555 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_stk_read [2021-02-24 01:58:49,555 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_stk_poll [2021-02-24 01:58:49,555 INFO L130 BoogieDeclarations]: Found specification of procedure stk_v4l_vm_open [2021-02-24 01:58:49,555 INFO L130 BoogieDeclarations]: Found specification of procedure stk_v4l_vm_close [2021-02-24 01:58:49,555 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_stk_mmap [2021-02-24 01:58:49,555 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_querycap [2021-02-24 01:58:49,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-02-24 01:58:49,555 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_enum_input [2021-02-24 01:58:49,555 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_g_input [2021-02-24 01:58:49,556 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_s_input [2021-02-24 01:58:49,556 INFO L130 BoogieDeclarations]: Found specification of procedure stk_s_ctrl [2021-02-24 01:58:49,556 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_enum_fmt_vid_cap [2021-02-24 01:58:49,556 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_g_fmt_vid_cap [2021-02-24 01:58:49,556 INFO L130 BoogieDeclarations]: Found specification of procedure stk_try_fmt_vid_cap [2021-02-24 01:58:49,556 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_try_fmt_vid_cap [2021-02-24 01:58:49,556 INFO L130 BoogieDeclarations]: Found specification of procedure stk_setup_format [2021-02-24 01:58:49,556 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_s_fmt_vid_cap [2021-02-24 01:58:49,557 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_reqbufs [2021-02-24 01:58:49,557 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_querybuf [2021-02-24 01:58:49,557 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_qbuf [2021-02-24 01:58:49,557 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_dqbuf [2021-02-24 01:58:49,557 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_streamon [2021-02-24 01:58:49,557 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_streamoff [2021-02-24 01:58:49,557 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_g_parm [2021-02-24 01:58:49,557 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_enum_framesizes [2021-02-24 01:58:49,557 INFO L130 BoogieDeclarations]: Found specification of procedure stk_v4l_dev_release [2021-02-24 01:58:49,558 INFO L130 BoogieDeclarations]: Found specification of procedure stk_register_video_device [2021-02-24 01:58:49,558 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_probe [2021-02-24 01:58:49,558 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_disconnect [2021-02-24 01:58:49,558 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_suspend [2021-02-24 01:58:49,558 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_resume [2021-02-24 01:58:49,558 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_driver_init [2021-02-24 01:58:49,558 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_driver_exit [2021-02-24 01:58:49,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2021-02-24 01:58:49,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-02-24 01:58:49,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-02-24 01:58:49,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_2 [2021-02-24 01:58:49,559 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 01:58:49,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-02-24 01:58:49,559 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-02-24 01:58:49,559 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_outb [2021-02-24 01:58:49,560 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_inb [2021-02-24 01:58:49,560 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_write_regvals [2021-02-24 01:58:49,560 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_set_hw [2021-02-24 01:58:49,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2021-02-24 01:58:49,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2021-02-24 01:58:49,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2021-02-24 01:58:49,560 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-02-24 01:58:49,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2021-02-24 01:58:49,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2021-02-24 01:58:49,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2021-02-24 01:58:49,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2021-02-24 01:58:49,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2021-02-24 01:58:49,561 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-24 01:58:49,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 01:58:49,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 01:58:49,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-02-24 01:58:49,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-02-24 01:58:49,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-02-24 01:58:49,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 01:58:49,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-02-24 01:58:49,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-02-24 01:58:51,211 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-02-24 01:58:55,406 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2021-02-24 01:58:58,624 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 01:58:58,624 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-24 01:58:58,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 01:58:58 BoogieIcfgContainer [2021-02-24 01:58:58,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 01:58:58,635 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 01:58:58,635 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 01:58:58,638 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 01:58:58,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 01:58:44" (1/3) ... [2021-02-24 01:58:58,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45b44570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 01:58:58, skipping insertion in model container [2021-02-24 01:58:58,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 01:58:48" (2/3) ... [2021-02-24 01:58:58,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45b44570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 01:58:58, skipping insertion in model container [2021-02-24 01:58:58,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 01:58:58" (3/3) ... [2021-02-24 01:58:58,642 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i [2021-02-24 01:58:58,649 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 01:58:58,658 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 01:58:58,678 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 01:58:58,705 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 01:58:58,705 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 01:58:58,705 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-24 01:58:58,706 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 01:58:58,706 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 01:58:58,706 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 01:58:58,706 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 01:58:58,706 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 01:58:58,804 INFO L276 IsEmpty]: Start isEmpty. Operand 7799 states. [2021-02-24 01:58:58,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1640 [2021-02-24 01:58:58,945 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 01:58:58,948 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 01:58:58,948 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 01:58:58,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 01:58:58,955 INFO L82 PathProgramCache]: Analyzing trace with hash -2108725052, now seen corresponding path program 1 times [2021-02-24 01:58:58,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 01:58:58,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [876230022] [2021-02-24 01:58:58,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 01:58:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:01,104 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:01,106 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:01,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:01,108 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:04,176 WARN L202 SmtUtils]: Spent 3.02 s on a formula simplification that was a NOOP. DAG size: 709 [2021-02-24 01:59:04,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 01:59:04,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:04,860 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:04,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:05,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2021-02-24 01:59:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:05,923 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:05,924 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:05,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2021-02-24 01:59:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:05,940 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:05,942 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:05,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2021-02-24 01:59:05,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:05,959 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:05,960 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:05,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2021-02-24 01:59:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:05,977 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:05,977 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:05,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2021-02-24 01:59:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:05,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:05,996 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:05,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2021-02-24 01:59:05,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:06,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:06,013 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:06,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2021-02-24 01:59:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:06,030 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:06,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:06,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2021-02-24 01:59:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:06,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:06,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:06,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2021-02-24 01:59:06,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:06,063 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:06,064 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:06,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2021-02-24 01:59:06,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:06,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:06,081 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:06,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2021-02-24 01:59:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:06,098 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:06,099 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:06,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2021-02-24 01:59:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:06,114 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:06,115 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:06,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2021-02-24 01:59:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:06,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:06,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:06,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2021-02-24 01:59:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:06,148 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:06,149 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:06,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2021-02-24 01:59:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:06,166 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:06,166 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:06,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2021-02-24 01:59:06,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:06,184 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:06,185 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:06,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2021-02-24 01:59:06,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:06,202 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:06,203 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:06,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2021-02-24 01:59:06,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:06,219 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:06,220 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:06,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2021-02-24 01:59:06,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:06,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:06,237 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:06,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2021-02-24 01:59:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:06,252 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:06,253 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:06,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2021-02-24 01:59:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:06,270 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:06,270 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:06,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2021-02-24 01:59:06,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:06,286 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:06,287 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:06,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1440 [2021-02-24 01:59:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:06,301 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:06,302 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:06,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-24 01:59:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:06,317 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:06,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:06,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2021-02-24 01:59:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:06,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:06,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:06,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1485 [2021-02-24 01:59:06,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:06,347 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:06,348 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:06,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2021-02-24 01:59:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:06,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:06,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:06,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2021-02-24 01:59:06,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:06,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:06,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:06,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2021-02-24 01:59:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:06,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:06,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:06,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2021-02-24 01:59:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:06,406 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:06,407 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:06,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2021-02-24 01:59:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:06,422 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:06,423 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:06,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1575 [2021-02-24 01:59:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:06,432 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:06,433 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:06,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1578 [2021-02-24 01:59:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:06,470 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:06,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 01:59:06,487 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:06,488 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 01:59:06,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1584 [2021-02-24 01:59:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:06,517 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:06,518 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:06,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1590 [2021-02-24 01:59:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:06,530 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:06,530 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:06,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1622 [2021-02-24 01:59:06,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:06,560 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:06,561 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:06,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 01:59:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:06,572 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:06,572 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:06,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 01:59:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 01:59:06,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 01:59:06,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 01:59:08,131 INFO L134 CoverageAnalysis]: Checked inductivity of 5127 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 5121 trivial. 0 not checked. [2021-02-24 01:59:08,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [876230022] [2021-02-24 01:59:08,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 01:59:08,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-02-24 01:59:08,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210333912] [2021-02-24 01:59:08,143 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-24 01:59:08,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 01:59:08,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-24 01:59:08,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-24 01:59:08,157 INFO L87 Difference]: Start difference. First operand 7799 states. Second operand 8 states. [2021-02-24 01:59:25,364 WARN L202 SmtUtils]: Spent 3.05 s on a formula simplification that was a NOOP. DAG size: 712 [2021-02-24 01:59:28,406 WARN L202 SmtUtils]: Spent 3.00 s on a formula simplification that was a NOOP. DAG size: 714 [2021-02-24 02:01:01,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 02:01:01,441 INFO L93 Difference]: Finished difference Result 15709 states and 17559 transitions. [2021-02-24 02:01:01,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-24 02:01:01,443 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1639 [2021-02-24 02:01:01,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 02:01:01,528 INFO L225 Difference]: With dead ends: 15709 [2021-02-24 02:01:01,528 INFO L226 Difference]: Without dead ends: 9010 [2021-02-24 02:01:01,667 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2021-02-24 02:01:01,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9010 states. [2021-02-24 02:01:06,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9010 to 7745. [2021-02-24 02:01:06,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7745 states. [2021-02-24 02:01:06,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7745 states to 7745 states and 8388 transitions. [2021-02-24 02:01:06,701 INFO L78 Accepts]: Start accepts. Automaton has 7745 states and 8388 transitions. Word has length 1639 [2021-02-24 02:01:06,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 02:01:06,706 INFO L480 AbstractCegarLoop]: Abstraction has 7745 states and 8388 transitions. [2021-02-24 02:01:06,706 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-24 02:01:06,706 INFO L276 IsEmpty]: Start isEmpty. Operand 7745 states and 8388 transitions. [2021-02-24 02:01:06,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1652 [2021-02-24 02:01:06,737 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 02:01:06,739 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 02:01:06,739 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 02:01:06,739 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 02:01:06,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 02:01:06,741 INFO L82 PathProgramCache]: Analyzing trace with hash -211752194, now seen corresponding path program 1 times [2021-02-24 02:01:06,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 02:01:06,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1644224046] [2021-02-24 02:01:06,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 02:01:07,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:07,892 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:07,893 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:07,894 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:07,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 02:01:07,899 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:07,900 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:11,166 WARN L202 SmtUtils]: Spent 3.23 s on a formula simplification that was a NOOP. DAG size: 709 [2021-02-24 02:01:11,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 02:01:11,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:11,759 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:11,760 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2021-02-24 02:01:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:12,456 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:12,457 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2021-02-24 02:01:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:12,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:12,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2021-02-24 02:01:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:12,482 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:12,483 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2021-02-24 02:01:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:12,496 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:12,496 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2021-02-24 02:01:12,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:12,509 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:12,511 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2021-02-24 02:01:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:12,524 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:12,524 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2021-02-24 02:01:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:12,538 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:12,538 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2021-02-24 02:01:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:12,551 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:12,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2021-02-24 02:01:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:12,564 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:12,564 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2021-02-24 02:01:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:12,577 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:12,577 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2021-02-24 02:01:12,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:12,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:12,591 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2021-02-24 02:01:12,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:12,603 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:12,604 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2021-02-24 02:01:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:12,617 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:12,618 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2021-02-24 02:01:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:12,632 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:12,633 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2021-02-24 02:01:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:12,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:12,649 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2021-02-24 02:01:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:12,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:12,675 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2021-02-24 02:01:12,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:12,690 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:12,692 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2021-02-24 02:01:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:12,705 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:12,707 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2021-02-24 02:01:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:12,720 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:12,720 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2021-02-24 02:01:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:12,733 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:12,734 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2021-02-24 02:01:12,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:12,749 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:12,749 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2021-02-24 02:01:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:12,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:12,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1440 [2021-02-24 02:01:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:12,777 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:12,778 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-24 02:01:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:12,794 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:12,794 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2021-02-24 02:01:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:12,807 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:12,810 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1485 [2021-02-24 02:01:12,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:12,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:12,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2021-02-24 02:01:12,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:12,837 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:12,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2021-02-24 02:01:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:12,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:12,852 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2021-02-24 02:01:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:12,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:12,868 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2021-02-24 02:01:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:12,882 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:12,885 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2021-02-24 02:01:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:12,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:12,898 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1575 [2021-02-24 02:01:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:12,907 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:12,908 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1578 [2021-02-24 02:01:12,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:12,940 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:12,942 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1588 [2021-02-24 02:01:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:12,954 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:12,955 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1598 [2021-02-24 02:01:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:12,967 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:12,967 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1634 [2021-02-24 02:01:12,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:12,993 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:12,994 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:12,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 02:01:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:13,004 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:13,005 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:13,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 02:01:13,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:01:13,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:01:13,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:01:14,652 INFO L134 CoverageAnalysis]: Checked inductivity of 5148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5148 trivial. 0 not checked. [2021-02-24 02:01:14,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1644224046] [2021-02-24 02:01:14,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 02:01:14,653 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-24 02:01:14,653 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523972915] [2021-02-24 02:01:14,657 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-24 02:01:14,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 02:01:14,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-24 02:01:14,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-24 02:01:14,658 INFO L87 Difference]: Start difference. First operand 7745 states and 8388 transitions. Second operand 7 states. [2021-02-24 02:01:32,202 WARN L202 SmtUtils]: Spent 3.25 s on a formula simplification that was a NOOP. DAG size: 711 [2021-02-24 02:03:54,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 02:03:54,752 INFO L93 Difference]: Finished difference Result 22947 states and 25385 transitions. [2021-02-24 02:03:54,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-24 02:03:54,753 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1651 [2021-02-24 02:03:54,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 02:03:54,863 INFO L225 Difference]: With dead ends: 22947 [2021-02-24 02:03:54,864 INFO L226 Difference]: Without dead ends: 16461 [2021-02-24 02:03:54,887 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2021-02-24 02:03:54,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16461 states. [2021-02-24 02:04:03,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16461 to 14108. [2021-02-24 02:04:03,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14108 states. [2021-02-24 02:04:03,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14108 states to 14108 states and 15344 transitions. [2021-02-24 02:04:03,363 INFO L78 Accepts]: Start accepts. Automaton has 14108 states and 15344 transitions. Word has length 1651 [2021-02-24 02:04:03,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 02:04:03,367 INFO L480 AbstractCegarLoop]: Abstraction has 14108 states and 15344 transitions. [2021-02-24 02:04:03,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-24 02:04:03,367 INFO L276 IsEmpty]: Start isEmpty. Operand 14108 states and 15344 transitions. [2021-02-24 02:04:03,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1697 [2021-02-24 02:04:03,400 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 02:04:03,401 INFO L422 BasicCegarLoop]: trace histogram [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 02:04:03,401 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-24 02:04:03,402 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 02:04:03,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 02:04:03,403 INFO L82 PathProgramCache]: Analyzing trace with hash -745711009, now seen corresponding path program 1 times [2021-02-24 02:04:03,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 02:04:03,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1521792009] [2021-02-24 02:04:03,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 02:04:03,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:04,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:04,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:04,269 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:04,270 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:07,437 WARN L202 SmtUtils]: Spent 3.14 s on a formula simplification that was a NOOP. DAG size: 709 [2021-02-24 02:04:07,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 02:04:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:07,915 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:07,915 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:08,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2021-02-24 02:04:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:08,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:08,729 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:08,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2021-02-24 02:04:08,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:08,741 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:08,741 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:08,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2021-02-24 02:04:08,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:08,753 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:08,754 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:08,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2021-02-24 02:04:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:08,766 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:08,767 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:08,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2021-02-24 02:04:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:08,780 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:08,780 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:08,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2021-02-24 02:04:08,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:08,793 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:08,794 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:08,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2021-02-24 02:04:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:08,806 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:08,807 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:08,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2021-02-24 02:04:08,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:08,819 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:08,819 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:08,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2021-02-24 02:04:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:08,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:08,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:08,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2021-02-24 02:04:08,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:08,846 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:08,846 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:08,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2021-02-24 02:04:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:08,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:08,860 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:08,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2021-02-24 02:04:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:08,872 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:08,872 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:08,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2021-02-24 02:04:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:08,885 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:08,885 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:08,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2021-02-24 02:04:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:08,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:08,899 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:08,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2021-02-24 02:04:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:08,913 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:08,914 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:08,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2021-02-24 02:04:08,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:08,926 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:08,926 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:08,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2021-02-24 02:04:08,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:08,938 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:08,939 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:08,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2021-02-24 02:04:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:08,951 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:08,952 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:08,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2021-02-24 02:04:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:08,964 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:08,965 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:08,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2021-02-24 02:04:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:08,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:08,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:08,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2021-02-24 02:04:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:08,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:08,996 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:08,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2021-02-24 02:04:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:09,009 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:09,009 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:09,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1440 [2021-02-24 02:04:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:09,022 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:09,023 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:09,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-24 02:04:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:09,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:09,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:09,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2021-02-24 02:04:09,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:09,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:09,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:09,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1485 [2021-02-24 02:04:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:09,063 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:09,063 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:09,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2021-02-24 02:04:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:09,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:09,084 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:09,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2021-02-24 02:04:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:09,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:09,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:09,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2021-02-24 02:04:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:09,127 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:09,127 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:09,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2021-02-24 02:04:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:09,142 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:09,143 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:09,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2021-02-24 02:04:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:09,158 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:09,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:09,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1575 [2021-02-24 02:04:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:09,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:09,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:09,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1578 [2021-02-24 02:04:09,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:09,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:09,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 02:04:09,245 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:09,246 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 02:04:09,274 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:09,276 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 02:04:09,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1588 [2021-02-24 02:04:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:09,323 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:09,323 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:09,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1598 [2021-02-24 02:04:09,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:09,428 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:09,429 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:09,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1636 [2021-02-24 02:04:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:09,504 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:09,512 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:09,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 02:04:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:09,542 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:09,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:09,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-24 02:04:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:09,560 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:09,561 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:09,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-24 02:04:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:09,609 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:09,618 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:09,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 02:04:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:04:09,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:04:09,631 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:04:11,562 INFO L134 CoverageAnalysis]: Checked inductivity of 5489 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 5470 trivial. 0 not checked. [2021-02-24 02:04:11,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1521792009] [2021-02-24 02:04:11,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 02:04:11,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2021-02-24 02:04:11,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023816447] [2021-02-24 02:04:11,564 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-24 02:04:11,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 02:04:11,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-24 02:04:11,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-02-24 02:04:11,565 INFO L87 Difference]: Start difference. First operand 14108 states and 15344 transitions. Second operand 10 states. [2021-02-24 02:04:19,545 WARN L202 SmtUtils]: Spent 3.10 s on a formula simplification that was a NOOP. DAG size: 712 [2021-02-24 02:05:36,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 02:05:36,176 INFO L93 Difference]: Finished difference Result 29335 states and 32370 transitions. [2021-02-24 02:05:36,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-24 02:05:36,177 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1696 [2021-02-24 02:05:36,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 02:05:36,246 INFO L225 Difference]: With dead ends: 29335 [2021-02-24 02:05:36,246 INFO L226 Difference]: Without dead ends: 16463 [2021-02-24 02:05:36,289 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2021-02-24 02:05:36,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16463 states. [2021-02-24 02:05:44,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16463 to 14112. [2021-02-24 02:05:44,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14112 states. [2021-02-24 02:05:44,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14112 states to 14112 states and 15348 transitions. [2021-02-24 02:05:44,517 INFO L78 Accepts]: Start accepts. Automaton has 14112 states and 15348 transitions. Word has length 1696 [2021-02-24 02:05:44,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 02:05:44,519 INFO L480 AbstractCegarLoop]: Abstraction has 14112 states and 15348 transitions. [2021-02-24 02:05:44,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-24 02:05:44,519 INFO L276 IsEmpty]: Start isEmpty. Operand 14112 states and 15348 transitions. [2021-02-24 02:05:44,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1709 [2021-02-24 02:05:44,552 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 02:05:44,553 INFO L422 BasicCegarLoop]: trace histogram [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 6, 6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 02:05:44,554 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-24 02:05:44,554 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 02:05:44,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 02:05:44,555 INFO L82 PathProgramCache]: Analyzing trace with hash -1557834395, now seen corresponding path program 2 times [2021-02-24 02:05:44,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 02:05:44,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [379656979] [2021-02-24 02:05:44,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 02:05:44,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:45,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:45,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:45,386 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:45,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:48,641 WARN L202 SmtUtils]: Spent 3.23 s on a formula simplification that was a NOOP. DAG size: 709 [2021-02-24 02:05:48,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 02:05:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:49,241 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:49,241 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:50,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2021-02-24 02:05:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:50,050 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:50,050 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:50,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2021-02-24 02:05:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:50,077 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:50,077 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:50,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2021-02-24 02:05:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:50,102 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:50,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:50,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2021-02-24 02:05:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:50,137 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:50,138 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:50,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2021-02-24 02:05:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:50,166 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:50,167 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:50,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2021-02-24 02:05:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:50,188 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:50,190 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:50,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2021-02-24 02:05:50,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:50,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:50,215 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:50,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2021-02-24 02:05:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:50,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:50,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:50,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2021-02-24 02:05:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:50,263 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:50,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:50,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2021-02-24 02:05:50,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:50,289 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:50,291 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:50,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2021-02-24 02:05:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:50,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:50,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:50,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2021-02-24 02:05:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:50,327 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:50,328 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:50,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2021-02-24 02:05:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:50,340 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:50,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:50,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2021-02-24 02:05:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:50,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:50,354 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:50,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2021-02-24 02:05:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:50,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:50,367 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:50,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2021-02-24 02:05:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:50,380 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:50,381 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:50,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2021-02-24 02:05:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:50,396 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:50,397 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:50,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2021-02-24 02:05:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:50,412 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:50,412 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:50,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2021-02-24 02:05:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:50,441 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:50,442 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:50,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2021-02-24 02:05:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:50,473 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:50,475 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:50,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2021-02-24 02:05:50,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:50,512 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:50,513 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:50,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2021-02-24 02:05:50,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:50,533 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:50,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:50,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1440 [2021-02-24 02:05:50,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:50,562 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:50,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:50,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-24 02:05:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:50,588 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:50,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:50,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2021-02-24 02:05:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:50,614 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:50,620 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:50,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1485 [2021-02-24 02:05:50,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:50,643 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:50,647 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:50,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2021-02-24 02:05:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:50,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:50,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:50,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2021-02-24 02:05:50,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:50,701 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:50,702 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:50,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2021-02-24 02:05:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:50,731 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:50,732 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:50,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2021-02-24 02:05:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:50,779 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:50,780 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:50,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2021-02-24 02:05:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:50,804 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:50,806 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:50,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1575 [2021-02-24 02:05:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:50,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:50,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:50,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1578 [2021-02-24 02:05:50,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:50,895 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:50,896 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 02:05:50,914 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:50,915 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 02:05:50,941 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:50,942 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 02:05:50,968 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:50,969 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 02:05:50,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1592 [2021-02-24 02:05:50,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:51,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:51,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:51,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1606 [2021-02-24 02:05:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:51,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:51,048 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:51,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1648 [2021-02-24 02:05:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:51,104 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:51,105 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:51,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 02:05:51,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:51,121 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:51,121 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:51,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-24 02:05:51,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:51,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:51,132 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:51,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-24 02:05:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:51,229 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:51,232 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:51,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 02:05:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:05:51,252 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:05:51,253 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:05:53,146 INFO L134 CoverageAnalysis]: Checked inductivity of 5546 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 5494 trivial. 0 not checked. [2021-02-24 02:05:53,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [379656979] [2021-02-24 02:05:53,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 02:05:53,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2021-02-24 02:05:53,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147272616] [2021-02-24 02:05:53,149 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-24 02:05:53,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 02:05:53,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-24 02:05:53,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-02-24 02:05:53,150 INFO L87 Difference]: Start difference. First operand 14112 states and 15348 transitions. Second operand 11 states. [2021-02-24 02:06:00,946 WARN L202 SmtUtils]: Spent 3.27 s on a formula simplification that was a NOOP. DAG size: 712 [2021-02-24 02:07:12,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 02:07:12,978 INFO L93 Difference]: Finished difference Result 29343 states and 32378 transitions. [2021-02-24 02:07:12,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-24 02:07:12,979 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1708 [2021-02-24 02:07:12,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 02:07:13,048 INFO L225 Difference]: With dead ends: 29343 [2021-02-24 02:07:13,049 INFO L226 Difference]: Without dead ends: 16467 [2021-02-24 02:07:13,094 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2021-02-24 02:07:13,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16467 states. [2021-02-24 02:07:21,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16467 to 14116. [2021-02-24 02:07:21,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14116 states. [2021-02-24 02:07:21,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14116 states to 14116 states and 15352 transitions. [2021-02-24 02:07:21,863 INFO L78 Accepts]: Start accepts. Automaton has 14116 states and 15352 transitions. Word has length 1708 [2021-02-24 02:07:21,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 02:07:21,864 INFO L480 AbstractCegarLoop]: Abstraction has 14116 states and 15352 transitions. [2021-02-24 02:07:21,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-24 02:07:21,864 INFO L276 IsEmpty]: Start isEmpty. Operand 14116 states and 15352 transitions. [2021-02-24 02:07:21,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1721 [2021-02-24 02:07:21,895 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 02:07:21,896 INFO L422 BasicCegarLoop]: trace histogram [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 9, 9, 9, 9, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 02:07:21,896 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-24 02:07:21,896 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 02:07:21,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 02:07:21,897 INFO L82 PathProgramCache]: Analyzing trace with hash -1341982869, now seen corresponding path program 3 times [2021-02-24 02:07:21,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 02:07:21,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [111230766] [2021-02-24 02:07:21,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 02:07:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:22,810 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:22,811 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:22,812 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:22,813 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:25,963 WARN L202 SmtUtils]: Spent 3.12 s on a formula simplification that was a NOOP. DAG size: 709 [2021-02-24 02:07:25,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 02:07:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:26,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:26,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2021-02-24 02:07:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,124 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,125 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2021-02-24 02:07:27,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,134 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,135 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2021-02-24 02:07:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,144 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,145 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2021-02-24 02:07:27,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,155 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,155 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2021-02-24 02:07:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,166 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2021-02-24 02:07:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,180 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,180 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2021-02-24 02:07:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,191 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,191 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2021-02-24 02:07:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,201 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2021-02-24 02:07:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,217 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,218 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2021-02-24 02:07:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,229 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,229 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2021-02-24 02:07:27,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,240 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,240 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2021-02-24 02:07:27,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,251 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,252 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2021-02-24 02:07:27,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,263 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2021-02-24 02:07:27,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,278 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,278 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2021-02-24 02:07:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,289 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,289 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2021-02-24 02:07:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,301 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2021-02-24 02:07:27,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2021-02-24 02:07:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,326 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,327 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2021-02-24 02:07:27,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,338 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,338 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2021-02-24 02:07:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2021-02-24 02:07:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,364 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,364 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2021-02-24 02:07:27,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1440 [2021-02-24 02:07:27,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-24 02:07:27,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,394 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,395 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2021-02-24 02:07:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,404 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1485 [2021-02-24 02:07:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2021-02-24 02:07:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,428 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,429 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2021-02-24 02:07:27,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,439 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,440 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2021-02-24 02:07:27,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2021-02-24 02:07:27,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,462 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2021-02-24 02:07:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,473 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,474 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1575 [2021-02-24 02:07:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1578 [2021-02-24 02:07:27,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,536 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 02:07:27,553 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,554 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 02:07:27,574 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 02:07:27,597 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,598 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 02:07:27,619 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,620 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 02:07:27,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1596 [2021-02-24 02:07:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,655 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,655 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1614 [2021-02-24 02:07:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,669 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1660 [2021-02-24 02:07:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,723 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,724 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 02:07:27,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,737 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,737 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-24 02:07:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,746 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,747 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-24 02:07:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,792 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,793 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:27,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 02:07:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:07:27,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:07:27,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:07:29,439 INFO L134 CoverageAnalysis]: Checked inductivity of 5639 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 5534 trivial. 0 not checked. [2021-02-24 02:07:29,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [111230766] [2021-02-24 02:07:29,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 02:07:29,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2021-02-24 02:07:29,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086431436] [2021-02-24 02:07:29,441 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-24 02:07:29,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 02:07:29,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-24 02:07:29,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-02-24 02:07:29,442 INFO L87 Difference]: Start difference. First operand 14116 states and 15352 transitions. Second operand 12 states. [2021-02-24 02:07:36,755 WARN L202 SmtUtils]: Spent 3.19 s on a formula simplification that was a NOOP. DAG size: 712 [2021-02-24 02:08:51,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 02:08:51,150 INFO L93 Difference]: Finished difference Result 29351 states and 32386 transitions. [2021-02-24 02:08:51,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-24 02:08:51,150 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 1720 [2021-02-24 02:08:51,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 02:08:51,202 INFO L225 Difference]: With dead ends: 29351 [2021-02-24 02:08:51,203 INFO L226 Difference]: Without dead ends: 16471 [2021-02-24 02:08:51,234 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2021-02-24 02:08:51,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16471 states. [2021-02-24 02:09:01,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16471 to 14120. [2021-02-24 02:09:01,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14120 states. [2021-02-24 02:09:01,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14120 states to 14120 states and 15356 transitions. [2021-02-24 02:09:01,708 INFO L78 Accepts]: Start accepts. Automaton has 14120 states and 15356 transitions. Word has length 1720 [2021-02-24 02:09:01,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 02:09:01,710 INFO L480 AbstractCegarLoop]: Abstraction has 14120 states and 15356 transitions. [2021-02-24 02:09:01,710 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-24 02:09:01,710 INFO L276 IsEmpty]: Start isEmpty. Operand 14120 states and 15356 transitions. [2021-02-24 02:09:01,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1733 [2021-02-24 02:09:01,742 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 02:09:01,743 INFO L422 BasicCegarLoop]: trace histogram [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 12, 12, 12, 12, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 02:09:01,743 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-24 02:09:01,743 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 02:09:01,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 02:09:01,745 INFO L82 PathProgramCache]: Analyzing trace with hash 1763950705, now seen corresponding path program 4 times [2021-02-24 02:09:01,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 02:09:01,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1138044342] [2021-02-24 02:09:01,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 02:09:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:02,983 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:02,987 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 02:09:02,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:02,996 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 02:09:02,997 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:02,997 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:06,359 WARN L202 SmtUtils]: Spent 3.32 s on a formula simplification that was a NOOP. DAG size: 709 [2021-02-24 02:09:06,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 02:09:06,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:06,891 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:06,892 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:06,895 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:06,896 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 02:09:07,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2021-02-24 02:09:07,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:07,493 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:07,493 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:07,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2021-02-24 02:09:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:07,504 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:07,504 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:07,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2021-02-24 02:09:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:07,515 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:07,515 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:07,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2021-02-24 02:09:07,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:07,527 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:07,527 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:07,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2021-02-24 02:09:07,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:07,538 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:07,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:07,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2021-02-24 02:09:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:07,550 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:07,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:07,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2021-02-24 02:09:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:07,562 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:07,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:07,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2021-02-24 02:09:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:07,574 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:07,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:07,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2021-02-24 02:09:07,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:07,586 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:07,587 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:07,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2021-02-24 02:09:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:07,598 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:07,598 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:07,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2021-02-24 02:09:07,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:07,613 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:07,614 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:07,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2021-02-24 02:09:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:07,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:07,630 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:07,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2021-02-24 02:09:07,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:07,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:07,646 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:07,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2021-02-24 02:09:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:07,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:07,659 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:07,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2021-02-24 02:09:07,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:07,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:07,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:07,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2021-02-24 02:09:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:07,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:07,689 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:07,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2021-02-24 02:09:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:07,701 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:07,702 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:07,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2021-02-24 02:09:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:07,714 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:07,714 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:07,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2021-02-24 02:09:07,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:07,727 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:07,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:07,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2021-02-24 02:09:07,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:07,739 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:07,740 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:07,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2021-02-24 02:09:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:07,752 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:07,752 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:07,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2021-02-24 02:09:07,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:07,764 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:07,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:07,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1440 [2021-02-24 02:09:07,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:07,775 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:07,776 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:07,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-24 02:09:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:07,788 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:07,789 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:07,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2021-02-24 02:09:07,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:07,800 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:07,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:07,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1485 [2021-02-24 02:09:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:07,813 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:07,813 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:07,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2021-02-24 02:09:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:07,826 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:07,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:07,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2021-02-24 02:09:07,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:07,839 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:07,839 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:07,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2021-02-24 02:09:07,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:07,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:07,852 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:07,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2021-02-24 02:09:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:07,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:07,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:07,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2021-02-24 02:09:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:07,877 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:07,878 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:07,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1575 [2021-02-24 02:09:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:07,886 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:07,886 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:07,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1578 [2021-02-24 02:09:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:07,926 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:07,927 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:07,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1600 [2021-02-24 02:09:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:07,944 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:07,945 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:07,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1622 [2021-02-24 02:09:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:07,961 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:07,962 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:07,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1672 [2021-02-24 02:09:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:08,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:08,013 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:08,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 02:09:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:08,026 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:08,026 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:08,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-24 02:09:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:08,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:08,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:08,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-24 02:09:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:08,076 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:08,077 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:08,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 02:09:08,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 02:09:08,086 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 02:09:08,087 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 02:09:10,275 INFO L134 CoverageAnalysis]: Checked inductivity of 5768 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5768 trivial. 0 not checked. [2021-02-24 02:09:10,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1138044342] [2021-02-24 02:09:10,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 02:09:10,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-24 02:09:10,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956919138] [2021-02-24 02:09:10,279 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-24 02:09:10,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 02:09:10,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-24 02:09:10,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-02-24 02:09:10,280 INFO L87 Difference]: Start difference. First operand 14120 states and 15356 transitions. Second operand 8 states. [2021-02-24 02:09:21,782 WARN L202 SmtUtils]: Spent 3.25 s on a formula simplification that was a NOOP. DAG size: 712