/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_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-b7b32d2 [2021-02-22 03:50:12,357 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 03:50:12,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 03:50:12,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-22 03:50:12,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-22 03:50:12,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-22 03:50:12,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-22 03:50:12,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-22 03:50:12,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-22 03:50:12,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-22 03:50:12,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-22 03:50:12,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-22 03:50:12,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 03:50:12,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 03:50:12,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 03:50:12,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 03:50:12,456 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 03:50:12,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 03:50:12,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 03:50:12,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 03:50:12,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 03:50:12,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 03:50:12,469 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 03:50:12,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 03:50:12,473 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-22 03:50:12,474 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-22 03:50:12,474 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-22 03:50:12,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-22 03:50:12,476 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-22 03:50:12,477 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-22 03:50:12,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-22 03:50:12,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-22 03:50:12,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-22 03:50:12,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-22 03:50:12,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-22 03:50:12,481 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-22 03:50:12,482 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-22 03:50:12,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-22 03:50:12,483 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 03:50:12,484 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 03:50:12,485 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 03:50:12,486 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_64.epf [2021-02-22 03:50:12,497 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 03:50:12,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 03:50:12,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 03:50:12,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 03:50:12,500 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 03:50:12,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 03:50:12,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 03:50:12,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 03:50:12,501 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 03:50:12,501 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 03:50:12,501 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 03:50:12,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 03:50:12,502 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 03:50:12,502 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 03:50:12,502 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 03:50:12,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 03:50:12,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 03:50:12,503 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 03:50:12,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 03:50:12,504 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 03:50:12,504 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 03:50:12,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 03:50:12,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 03:50:12,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 03:50:12,973 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 03:50:12,974 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 03:50:12,975 INFO L432 ainManager$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 [2021-02-22 03:50:13,047 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cb861a64/b62b8003d4ba4127bcfaffd2167b80b6/FLAGcd5ebc01b [2021-02-22 03:50:14,005 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 03:50:14,006 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 [2021-02-22 03:50:14,074 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cb861a64/b62b8003d4ba4127bcfaffd2167b80b6/FLAGcd5ebc01b [2021-02-22 03:50:14,470 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cb861a64/b62b8003d4ba4127bcfaffd2167b80b6 [2021-02-22 03:50:14,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 03:50:14,483 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 03:50:14,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 03:50:14,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 03:50:14,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 03:50:14,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 03:50:14" (1/1) ... [2021-02-22 03:50:14,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69e02b23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 03:50:14, skipping insertion in model container [2021-02-22 03:50:14,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 03:50:14" (1/1) ... [2021-02-22 03:50:14,505 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 03:50:14,692 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 03:50:15,267 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4416] [2021-02-22 03:50:16,082 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] [2021-02-22 03:50:17,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 03:50:17,167 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 03:50:17,314 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4416] [2021-02-22 03:50:17,343 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] [2021-02-22 03:50:17,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 03:50:18,105 INFO L208 MainTranslator]: Completed translation [2021-02-22 03:50:18,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 03:50:18 WrapperNode [2021-02-22 03:50:18,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 03:50:18,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 03:50:18,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 03:50:18,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 03:50:18,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 03:50:18" (1/1) ... [2021-02-22 03:50:18,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 03:50:18" (1/1) ... [2021-02-22 03:50:18,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 03:50:18" (1/1) ... [2021-02-22 03:50:18,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 03:50:18" (1/1) ... [2021-02-22 03:50:19,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 03:50:18" (1/1) ... [2021-02-22 03:50:19,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 03:50:18" (1/1) ... [2021-02-22 03:50:19,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 03:50:18" (1/1) ... [2021-02-22 03:50:19,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 03:50:19,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 03:50:19,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 03:50:19,318 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 03:50:19,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 03:50:18" (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 [2021-02-22 03:50:19,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 03:50:19,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 03:50:19,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-02-22 03:50:19,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-02-22 03:50:19,426 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 03:50:19,426 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2021-02-22 03:50:19,426 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-02-22 03:50:19,426 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_isoc [2021-02-22 03:50:19,427 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_isoc_in [2021-02-22 03:50:19,427 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-02-22 03:50:19,427 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-02-22 03:50:19,427 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-02-22 03:50:19,427 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-02-22 03:50:19,427 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-02-22 03:50:19,428 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-02-22 03:50:19,428 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2021-02-22 03:50:19,428 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-02-22 03:50:19,428 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-02-22 03:50:19,428 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-02-22 03:50:19,428 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-02-22 03:50:19,428 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-02-22 03:50:19,429 INFO L138 BoogieDeclarations]: Found implementation of procedure list_is_singular [2021-02-22 03:50:19,429 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-02-22 03:50:19,429 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-02-22 03:50:19,429 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-02-22 03:50:19,429 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2021-02-22 03:50:19,429 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-02-22 03:50:19,429 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2021-02-22 03:50:19,430 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-02-22 03:50:19,430 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2021-02-22 03:50:19,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-02-22 03:50:19,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-02-22 03:50:19,430 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-02-22 03:50:19,430 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-02-22 03:50:19,431 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-02-22 03:50:19,431 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-02-22 03:50:19,431 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-02-22 03:50:19,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-02-22 03:50:19,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-02-22 03:50:19,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-02-22 03:50:19,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2021-02-22 03:50:19,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-02-22 03:50:19,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-02-22 03:50:19,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-02-22 03:50:19,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2021-02-22 03:50:19,432 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-02-22 03:50:19,432 INFO L138 BoogieDeclarations]: Found implementation of procedure video_register_device [2021-02-22 03:50:19,432 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2021-02-22 03:50:19,433 INFO L138 BoogieDeclarations]: Found implementation of procedure video_set_drvdata [2021-02-22 03:50:19,433 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2021-02-22 03:50:19,433 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2021-02-22 03:50:19,433 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_write_reg [2021-02-22 03:50:19,433 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_read_reg [2021-02-22 03:50:19,433 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_start_stream [2021-02-22 03:50:19,433 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_stop_stream [2021-02-22 03:50:19,434 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_initialise [2021-02-22 03:50:19,434 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_isoc_handler [2021-02-22 03:50:19,434 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_prepare_iso [2021-02-22 03:50:19,434 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_clean_iso [2021-02-22 03:50:19,434 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_setup_siobuf [2021-02-22 03:50:19,434 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_free_sio_buffers [2021-02-22 03:50:19,435 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_prepare_sio_buffers [2021-02-22 03:50:19,435 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_allocate_buffers [2021-02-22 03:50:19,435 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_free_buffers [2021-02-22 03:50:19,435 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_stk_open [2021-02-22 03:50:19,435 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_stk_release [2021-02-22 03:50:19,435 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_read [2021-02-22 03:50:19,435 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_stk_read [2021-02-22 03:50:19,436 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_stk_poll [2021-02-22 03:50:19,436 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_v4l_vm_open [2021-02-22 03:50:19,436 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_v4l_vm_close [2021-02-22 03:50:19,436 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_stk_mmap [2021-02-22 03:50:19,436 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_querycap [2021-02-22 03:50:19,436 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_enum_input [2021-02-22 03:50:19,436 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_g_input [2021-02-22 03:50:19,437 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_s_input [2021-02-22 03:50:19,437 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_s_ctrl [2021-02-22 03:50:19,437 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_enum_fmt_vid_cap [2021-02-22 03:50:19,437 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_g_fmt_vid_cap [2021-02-22 03:50:19,437 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_try_fmt_vid_cap [2021-02-22 03:50:19,437 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_try_fmt_vid_cap [2021-02-22 03:50:19,437 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_setup_format [2021-02-22 03:50:19,438 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_s_fmt_vid_cap [2021-02-22 03:50:19,438 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_reqbufs [2021-02-22 03:50:19,438 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_querybuf [2021-02-22 03:50:19,438 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_qbuf [2021-02-22 03:50:19,438 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_dqbuf [2021-02-22 03:50:19,438 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_streamon [2021-02-22 03:50:19,439 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_streamoff [2021-02-22 03:50:19,439 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_g_parm [2021-02-22 03:50:19,439 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_enum_framesizes [2021-02-22 03:50:19,439 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_v4l_dev_release [2021-02-22 03:50:19,439 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_register_video_device [2021-02-22 03:50:19,439 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_probe [2021-02-22 03:50:19,439 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_disconnect [2021-02-22 03:50:19,440 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_suspend [2021-02-22 03:50:19,440 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_resume [2021-02-22 03:50:19,440 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_driver_init [2021-02-22 03:50:19,440 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_driver_exit [2021-02-22 03:50:19,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_v4l2_ioctl_ops_3 [2021-02-22 03:50:19,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_vm_operations_struct_6 [2021-02-22 03:50:19,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2021-02-22 03:50:19,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_v4l2_file_operations_4 [2021-02-22 03:50:19,441 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 03:50:19,441 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-02-22 03:50:19,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2021-02-22 03:50:19,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2021-02-22 03:50:19,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_4 [2021-02-22 03:50:19,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_5 [2021-02-22 03:50:19,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_6 [2021-02-22 03:50:19,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_7 [2021-02-22 03:50:19,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_8 [2021-02-22 03:50:19,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf_9 [2021-02-22 03:50:19,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_10 [2021-02-22 03:50:19,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_11 [2021-02-22 03:50:19,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_15 [2021-02-22 03:50:19,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_16 [2021-02-22 03:50:19,443 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_outb [2021-02-22 03:50:19,443 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_inb [2021-02-22 03:50:19,443 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_write_regvals [2021-02-22 03:50:19,443 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_sleep [2021-02-22 03:50:19,443 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_wakeup [2021-02-22 03:50:19,443 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_init [2021-02-22 03:50:19,443 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_set_hw [2021-02-22 03:50:19,444 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_configure [2021-02-22 03:50:19,444 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_set_brightness [2021-02-22 03:50:19,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2021-02-22 03:50:19,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2021-02-22 03:50:19,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2021-02-22 03:50:19,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2021-02-22 03:50:19,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2021-02-22 03:50:19,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2021-02-22 03:50:19,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2021-02-22 03:50:19,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2021-02-22 03:50:19,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2021-02-22 03:50:19,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2021-02-22 03:50:19,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2021-02-22 03:50:19,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2021-02-22 03:50:19,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2021-02-22 03:50:19,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2021-02-22 03:50:19,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2021-02-22 03:50:19,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2021-02-22 03:50:19,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-02-22 03:50:19,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-02-22 03:50:19,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-02-22 03:50:19,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-02-22 03:50:19,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-02-22 03:50:19,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __printk_ratelimit [2021-02-22 03:50:19,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-02-22 03:50:19,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __video_register_device [2021-02-22 03:50:19,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-02-22 03:50:19,447 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-02-22 03:50:19,448 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-02-22 03:50:19,448 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2021-02-22 03:50:19,448 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2021-02-22 03:50:19,448 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-02-22 03:50:19,448 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-02-22 03:50:19,448 INFO L138 BoogieDeclarations]: Found implementation of procedure dmi_check_system [2021-02-22 03:50:19,448 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-02-22 03:50:19,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-02-22 03:50:19,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_2 [2021-02-22 03:50:19,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2021-02-22 03:50:19,449 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-02-22 03:50:19,449 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-02-22 03:50:19,449 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-02-22 03:50:19,449 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-02-22 03:50:19,449 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-02-22 03:50:19,450 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-02-22 03:50:19,450 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2021-02-22 03:50:19,450 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_vmalloc_range [2021-02-22 03:50:19,450 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-02-22 03:50:19,450 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-02-22 03:50:19,450 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2021-02-22 03:50:19,450 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2021-02-22 03:50:19,450 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-02-22 03:50:19,451 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2021-02-22 03:50:19,451 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-02-22 03:50:19,451 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2021-02-22 03:50:19,451 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_init_class [2021-02-22 03:50:19,451 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_log_status [2021-02-22 03:50:19,451 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-02-22 03:50:19,451 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_poll [2021-02-22 03:50:19,452 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2021-02-22 03:50:19,452 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_register [2021-02-22 03:50:19,452 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2021-02-22 03:50:19,452 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2021-02-22 03:50:19,452 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_open [2021-02-22 03:50:19,452 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_release [2021-02-22 03:50:19,452 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_timestamp [2021-02-22 03:50:19,452 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-02-22 03:50:19,453 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2021-02-22 03:50:19,453 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2021-02-22 03:50:19,453 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2021-02-22 03:50:19,453 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_user [2021-02-22 03:50:19,453 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2021-02-22 03:50:19,453 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-02-22 03:50:19,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-02-22 03:50:19,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-02-22 03:50:19,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-02-22 03:50:19,454 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-02-22 03:50:19,454 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 03:50:19,454 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 03:50:19,454 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-22 03:50:19,455 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-22 03:50:19,455 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 03:50:19,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 03:50:19,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-02-22 03:50:19,455 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-02-22 03:50:19,455 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2021-02-22 03:50:19,455 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2021-02-22 03:50:19,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 03:50:19,456 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-02-22 03:50:19,456 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_isoc [2021-02-22 03:50:19,456 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_isoc_in [2021-02-22 03:50:19,456 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-02-22 03:50:19,456 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-02-22 03:50:19,456 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2021-02-22 03:50:19,456 INFO L130 BoogieDeclarations]: Found specification of procedure __printk_ratelimit [2021-02-22 03:50:19,457 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-02-22 03:50:19,457 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2021-02-22 03:50:19,457 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-02-22 03:50:19,457 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-02-22 03:50:19,457 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-02-22 03:50:19,457 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-02-22 03:50:19,457 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-02-22 03:50:19,457 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2021-02-22 03:50:19,458 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-02-22 03:50:19,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-22 03:50:19,458 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-02-22 03:50:19,458 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-02-22 03:50:19,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-22 03:50:19,458 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-02-22 03:50:19,458 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-02-22 03:50:19,459 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-02-22 03:50:19,459 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-02-22 03:50:19,459 INFO L130 BoogieDeclarations]: Found specification of procedure list_is_singular [2021-02-22 03:50:19,459 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-02-22 03:50:19,459 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-02-22 03:50:19,459 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2021-02-22 03:50:19,459 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-02-22 03:50:19,459 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-02-22 03:50:19,460 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-02-22 03:50:19,460 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-02-22 03:50:19,460 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-02-22 03:50:19,460 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-02-22 03:50:19,460 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2021-02-22 03:50:19,460 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-02-22 03:50:19,460 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-02-22 03:50:19,461 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-02-22 03:50:19,461 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-02-22 03:50:19,461 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_user [2021-02-22 03:50:19,461 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-02-22 03:50:19,461 INFO L130 BoogieDeclarations]: Found specification of procedure remap_vmalloc_range [2021-02-22 03:50:19,461 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-02-22 03:50:19,461 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-02-22 03:50:19,461 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2021-02-22 03:50:19,462 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-02-22 03:50:19,462 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-02-22 03:50:19,462 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-02-22 03:50:19,462 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2021-02-22 03:50:19,462 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-02-22 03:50:19,462 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2021-02-22 03:50:19,462 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-02-22 03:50:19,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_11 [2021-02-22 03:50:19,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_10 [2021-02-22 03:50:19,463 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2021-02-22 03:50:19,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf_9 [2021-02-22 03:50:19,463 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-02-22 03:50:19,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_7 [2021-02-22 03:50:19,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_8 [2021-02-22 03:50:19,463 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2021-02-22 03:50:19,463 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2021-02-22 03:50:19,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_15 [2021-02-22 03:50:19,463 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2021-02-22 03:50:19,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_16 [2021-02-22 03:50:19,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_4 [2021-02-22 03:50:19,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_5 [2021-02-22 03:50:19,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_6 [2021-02-22 03:50:19,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2021-02-22 03:50:19,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2021-02-22 03:50:19,464 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-02-22 03:50:19,464 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-02-22 03:50:19,465 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-02-22 03:50:19,465 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-02-22 03:50:19,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2021-02-22 03:50:19,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2021-02-22 03:50:19,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2021-02-22 03:50:19,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2021-02-22 03:50:19,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2021-02-22 03:50:19,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2021-02-22 03:50:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2021-02-22 03:50:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2021-02-22 03:50:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2021-02-22 03:50:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-02-22 03:50:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-02-22 03:50:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-02-22 03:50:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-02-22 03:50:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-02-22 03:50:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-02-22 03:50:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-02-22 03:50:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-02-22 03:50:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-02-22 03:50:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-22 03:50:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-22 03:50:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 03:50:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2021-02-22 03:50:19,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2021-02-22 03:50:19,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2021-02-22 03:50:19,468 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-02-22 03:50:19,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-22 03:50:19,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-02-22 03:50:19,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-02-22 03:50:19,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2021-02-22 03:50:19,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-02-22 03:50:19,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-02-22 03:50:19,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2021-02-22 03:50:19,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_v4l2_ioctl_ops_3 [2021-02-22 03:50:19,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_vm_operations_struct_6 [2021-02-22 03:50:19,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2021-02-22 03:50:19,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_v4l2_file_operations_4 [2021-02-22 03:50:19,469 INFO L130 BoogieDeclarations]: Found specification of procedure dmi_check_system [2021-02-22 03:50:19,469 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-02-22 03:50:19,470 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-02-22 03:50:19,470 INFO L130 BoogieDeclarations]: Found specification of procedure __video_register_device [2021-02-22 03:50:19,470 INFO L130 BoogieDeclarations]: Found specification of procedure video_register_device [2021-02-22 03:50:19,470 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2021-02-22 03:50:19,470 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2021-02-22 03:50:19,470 INFO L130 BoogieDeclarations]: Found specification of procedure video_set_drvdata [2021-02-22 03:50:19,470 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2021-02-22 03:50:19,470 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2021-02-22 03:50:19,471 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2021-02-22 03:50:19,471 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_timestamp [2021-02-22 03:50:19,471 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2021-02-22 03:50:19,471 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2021-02-22 03:50:19,471 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_open [2021-02-22 03:50:19,471 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_release [2021-02-22 03:50:19,471 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_register [2021-02-22 03:50:19,471 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2021-02-22 03:50:19,471 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_init_class [2021-02-22 03:50:19,472 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2021-02-22 03:50:19,472 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-02-22 03:50:19,472 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_log_status [2021-02-22 03:50:19,472 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2021-02-22 03:50:19,472 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_poll [2021-02-22 03:50:19,472 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_write_reg [2021-02-22 03:50:19,472 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_read_reg [2021-02-22 03:50:19,472 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_init [2021-02-22 03:50:19,473 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_configure [2021-02-22 03:50:19,473 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_sleep [2021-02-22 03:50:19,473 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_wakeup [2021-02-22 03:50:19,473 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_set_brightness [2021-02-22 03:50:19,473 INFO L130 BoogieDeclarations]: Found specification of procedure stk_start_stream [2021-02-22 03:50:19,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 03:50:19,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 03:50:19,473 INFO L130 BoogieDeclarations]: Found specification of procedure stk_stop_stream [2021-02-22 03:50:19,474 INFO L130 BoogieDeclarations]: Found specification of procedure stk_initialise [2021-02-22 03:50:19,474 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-02-22 03:50:19,474 INFO L130 BoogieDeclarations]: Found specification of procedure stk_isoc_handler [2021-02-22 03:50:19,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-02-22 03:50:19,474 INFO L130 BoogieDeclarations]: Found specification of procedure stk_prepare_iso [2021-02-22 03:50:19,474 INFO L130 BoogieDeclarations]: Found specification of procedure stk_clean_iso [2021-02-22 03:50:19,474 INFO L130 BoogieDeclarations]: Found specification of procedure stk_setup_siobuf [2021-02-22 03:50:19,474 INFO L130 BoogieDeclarations]: Found specification of procedure stk_free_sio_buffers [2021-02-22 03:50:19,474 INFO L130 BoogieDeclarations]: Found specification of procedure stk_prepare_sio_buffers [2021-02-22 03:50:19,475 INFO L130 BoogieDeclarations]: Found specification of procedure stk_allocate_buffers [2021-02-22 03:50:19,475 INFO L130 BoogieDeclarations]: Found specification of procedure stk_free_buffers [2021-02-22 03:50:19,475 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_stk_open [2021-02-22 03:50:19,475 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_stk_release [2021-02-22 03:50:19,475 INFO L130 BoogieDeclarations]: Found specification of procedure stk_read [2021-02-22 03:50:19,475 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_stk_read [2021-02-22 03:50:19,475 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_stk_poll [2021-02-22 03:50:19,475 INFO L130 BoogieDeclarations]: Found specification of procedure stk_v4l_vm_open [2021-02-22 03:50:19,475 INFO L130 BoogieDeclarations]: Found specification of procedure stk_v4l_vm_close [2021-02-22 03:50:19,476 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_stk_mmap [2021-02-22 03:50:19,476 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_querycap [2021-02-22 03:50:19,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-02-22 03:50:19,476 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_enum_input [2021-02-22 03:50:19,476 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_g_input [2021-02-22 03:50:19,476 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_s_input [2021-02-22 03:50:19,476 INFO L130 BoogieDeclarations]: Found specification of procedure stk_s_ctrl [2021-02-22 03:50:19,476 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_enum_fmt_vid_cap [2021-02-22 03:50:19,476 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_g_fmt_vid_cap [2021-02-22 03:50:19,477 INFO L130 BoogieDeclarations]: Found specification of procedure stk_try_fmt_vid_cap [2021-02-22 03:50:19,477 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_try_fmt_vid_cap [2021-02-22 03:50:19,477 INFO L130 BoogieDeclarations]: Found specification of procedure stk_setup_format [2021-02-22 03:50:19,477 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_s_fmt_vid_cap [2021-02-22 03:50:19,477 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_reqbufs [2021-02-22 03:50:19,477 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_querybuf [2021-02-22 03:50:19,477 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_qbuf [2021-02-22 03:50:19,477 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_dqbuf [2021-02-22 03:50:19,477 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_streamon [2021-02-22 03:50:19,478 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_streamoff [2021-02-22 03:50:19,478 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_g_parm [2021-02-22 03:50:19,478 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_enum_framesizes [2021-02-22 03:50:19,478 INFO L130 BoogieDeclarations]: Found specification of procedure stk_v4l_dev_release [2021-02-22 03:50:19,478 INFO L130 BoogieDeclarations]: Found specification of procedure stk_register_video_device [2021-02-22 03:50:19,478 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_probe [2021-02-22 03:50:19,478 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_disconnect [2021-02-22 03:50:19,478 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_suspend [2021-02-22 03:50:19,479 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_resume [2021-02-22 03:50:19,479 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_driver_init [2021-02-22 03:50:19,479 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_driver_exit [2021-02-22 03:50:19,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2021-02-22 03:50:19,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-02-22 03:50:19,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-02-22 03:50:19,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_2 [2021-02-22 03:50:19,479 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 03:50:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-02-22 03:50:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-02-22 03:50:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_outb [2021-02-22 03:50:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_inb [2021-02-22 03:50:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_write_regvals [2021-02-22 03:50:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_set_hw [2021-02-22 03:50:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2021-02-22 03:50:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2021-02-22 03:50:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2021-02-22 03:50:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-02-22 03:50:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2021-02-22 03:50:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2021-02-22 03:50:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2021-02-22 03:50:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2021-02-22 03:50:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2021-02-22 03:50:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-22 03:50:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 03:50:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 03:50:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-02-22 03:50:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-02-22 03:50:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-02-22 03:50:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 03:50:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-02-22 03:50:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-02-22 03:50:21,073 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-02-22 03:50:25,616 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2021-02-22 03:50:33,283 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 03:50:33,283 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-22 03:50:33,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 03:50:33 BoogieIcfgContainer [2021-02-22 03:50:33,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 03:50:33,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 03:50:33,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 03:50:33,302 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 03:50:33,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 03:50:14" (1/3) ... [2021-02-22 03:50:33,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5145105d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 03:50:33, skipping insertion in model container [2021-02-22 03:50:33,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 03:50:18" (2/3) ... [2021-02-22 03:50:33,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5145105d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 03:50:33, skipping insertion in model container [2021-02-22 03:50:33,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 03:50:33" (3/3) ... [2021-02-22 03:50:33,310 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i [2021-02-22 03:50:33,317 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 03:50:33,325 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 03:50:33,343 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 03:50:33,378 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 03:50:33,378 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 03:50:33,378 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 03:50:33,378 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 03:50:33,379 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 03:50:33,379 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 03:50:33,379 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 03:50:33,379 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 03:50:33,499 INFO L276 IsEmpty]: Start isEmpty. Operand 7799 states. [2021-02-22 03:50:33,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1640 [2021-02-22 03:50:33,638 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 03:50:33,640 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] [2021-02-22 03:50:33,641 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 03:50:33,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 03:50:33,648 INFO L82 PathProgramCache]: Analyzing trace with hash -2108725052, now seen corresponding path program 1 times [2021-02-22 03:50:33,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 03:50:33,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1072564462] [2021-02-22 03:50:33,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 03:50:33,801 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 03:50:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:35,714 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:35,716 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:35,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:35,718 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:38,653 WARN L202 SmtUtils]: Spent 2.89 s on a formula simplification that was a NOOP. DAG size: 709 [2021-02-22 03:50:38,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 03:50:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:39,272 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:39,273 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2021-02-22 03:50:40,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,030 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,031 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2021-02-22 03:50:40,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,051 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2021-02-22 03:50:40,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,068 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,069 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2021-02-22 03:50:40,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,086 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,086 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2021-02-22 03:50:40,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,104 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,105 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2021-02-22 03:50:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,121 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,122 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2021-02-22 03:50:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,140 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,140 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2021-02-22 03:50:40,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,158 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2021-02-22 03:50:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,175 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,176 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2021-02-22 03:50:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,193 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2021-02-22 03:50:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2021-02-22 03:50:40,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,238 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,238 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2021-02-22 03:50:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,253 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,254 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2021-02-22 03:50:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,269 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,270 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2021-02-22 03:50:40,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,285 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,285 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2021-02-22 03:50:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,302 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2021-02-22 03:50:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,317 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2021-02-22 03:50:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,333 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2021-02-22 03:50:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,347 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,348 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2021-02-22 03:50:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,363 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2021-02-22 03:50:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,378 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2021-02-22 03:50:40,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,393 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,393 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1440 [2021-02-22 03:50:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,408 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,409 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-22 03:50:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,423 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2021-02-22 03:50:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,438 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,439 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1485 [2021-02-22 03:50:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,454 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2021-02-22 03:50:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,468 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,468 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2021-02-22 03:50:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,482 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,483 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2021-02-22 03:50:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,497 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2021-02-22 03:50:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,511 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,512 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2021-02-22 03:50:40,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,526 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,526 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1575 [2021-02-22 03:50:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,536 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1578 [2021-02-22 03:50:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,573 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,574 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 03:50:40,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,591 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 03:50:40,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1584 [2021-02-22 03:50:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,619 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1590 [2021-02-22 03:50:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,631 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1622 [2021-02-22 03:50:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,661 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 03:50:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,678 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,679 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:40,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 03:50:40,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:50:40,689 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:50:40,690 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:50:42,028 INFO L134 CoverageAnalysis]: Checked inductivity of 5127 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 5121 trivial. 0 not checked. [2021-02-22 03:50:42,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1072564462] [2021-02-22 03:50:42,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 03:50:42,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-22 03:50:42,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088259556] [2021-02-22 03:50:42,040 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-22 03:50:42,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 03:50:42,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-22 03:50:42,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-22 03:50:42,056 INFO L87 Difference]: Start difference. First operand 7799 states. Second operand 8 states. [2021-02-22 03:50:58,759 WARN L202 SmtUtils]: Spent 3.02 s on a formula simplification that was a NOOP. DAG size: 712 [2021-02-22 03:51:01,809 WARN L202 SmtUtils]: Spent 3.02 s on a formula simplification that was a NOOP. DAG size: 714 [2021-02-22 03:52:34,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 03:52:34,465 INFO L93 Difference]: Finished difference Result 15712 states and 17562 transitions. [2021-02-22 03:52:34,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-22 03:52:34,467 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1639 [2021-02-22 03:52:34,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 03:52:34,559 INFO L225 Difference]: With dead ends: 15712 [2021-02-22 03:52:34,559 INFO L226 Difference]: Without dead ends: 9013 [2021-02-22 03:52:34,599 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2021-02-22 03:52:34,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9013 states. [2021-02-22 03:52:38,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9013 to 7746. [2021-02-22 03:52:38,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7746 states. [2021-02-22 03:52:39,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7746 states to 7746 states and 8390 transitions. [2021-02-22 03:52:39,031 INFO L78 Accepts]: Start accepts. Automaton has 7746 states and 8390 transitions. Word has length 1639 [2021-02-22 03:52:39,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 03:52:39,036 INFO L480 AbstractCegarLoop]: Abstraction has 7746 states and 8390 transitions. [2021-02-22 03:52:39,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-22 03:52:39,037 INFO L276 IsEmpty]: Start isEmpty. Operand 7746 states and 8390 transitions. [2021-02-22 03:52:39,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1652 [2021-02-22 03:52:39,066 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 03:52:39,067 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] [2021-02-22 03:52:39,068 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 03:52:39,068 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 03:52:39,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 03:52:39,069 INFO L82 PathProgramCache]: Analyzing trace with hash -211752194, now seen corresponding path program 1 times [2021-02-22 03:52:39,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 03:52:39,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [949021871] [2021-02-22 03:52:39,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 03:52:39,092 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 03:52:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:39,909 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:39,909 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:39,914 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:39,915 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 03:52:39,918 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:39,919 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:43,053 WARN L202 SmtUtils]: Spent 3.10 s on a formula simplification that was a NOOP. DAG size: 709 [2021-02-22 03:52:43,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 03:52:43,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:43,566 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:43,566 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:44,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2021-02-22 03:52:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:44,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:44,386 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:44,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2021-02-22 03:52:44,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:44,398 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:44,399 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:44,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2021-02-22 03:52:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:44,411 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:44,412 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:44,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2021-02-22 03:52:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:44,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:44,424 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:44,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2021-02-22 03:52:44,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:44,438 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:44,439 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:44,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2021-02-22 03:52:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:44,456 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:44,456 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:44,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2021-02-22 03:52:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:44,468 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:44,468 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:44,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2021-02-22 03:52:44,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:44,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:44,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:44,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2021-02-22 03:52:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:44,492 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:44,493 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:44,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2021-02-22 03:52:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:44,508 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:44,509 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:44,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2021-02-22 03:52:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:44,523 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:44,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:44,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2021-02-22 03:52:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:44,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:44,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:44,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2021-02-22 03:52:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:44,551 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:44,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:44,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2021-02-22 03:52:44,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:44,563 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:44,564 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:44,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2021-02-22 03:52:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:44,578 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:44,578 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:44,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2021-02-22 03:52:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:44,600 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:44,601 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:44,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2021-02-22 03:52:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:44,614 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:44,616 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:44,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2021-02-22 03:52:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:44,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:44,630 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:44,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2021-02-22 03:52:44,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:44,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:44,643 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:44,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2021-02-22 03:52:44,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:44,657 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:44,657 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:44,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2021-02-22 03:52:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:44,670 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:44,670 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:44,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2021-02-22 03:52:44,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:44,683 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:44,683 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:44,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1440 [2021-02-22 03:52:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:44,696 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:44,697 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:44,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-22 03:52:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:44,712 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:44,712 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:44,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2021-02-22 03:52:44,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:44,726 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:44,726 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:44,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1485 [2021-02-22 03:52:44,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:44,739 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:44,739 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:44,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2021-02-22 03:52:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:44,753 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:44,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:44,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2021-02-22 03:52:44,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:44,772 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:44,773 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:44,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2021-02-22 03:52:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:44,786 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:44,790 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:44,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2021-02-22 03:52:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:44,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:44,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:44,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2021-02-22 03:52:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:44,817 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:44,817 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:44,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1575 [2021-02-22 03:52:44,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:44,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:44,828 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:44,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1578 [2021-02-22 03:52:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:44,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:44,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:44,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1588 [2021-02-22 03:52:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:44,879 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:44,881 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:44,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1598 [2021-02-22 03:52:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:44,894 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:44,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:44,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1634 [2021-02-22 03:52:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:44,999 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:45,000 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:45,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 03:52:45,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:45,012 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:45,013 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:45,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 03:52:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:52:45,022 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:52:45,022 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:52:46,468 INFO L134 CoverageAnalysis]: Checked inductivity of 5139 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5139 trivial. 0 not checked. [2021-02-22 03:52:46,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [949021871] [2021-02-22 03:52:46,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 03:52:46,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-22 03:52:46,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72475792] [2021-02-22 03:52:46,473 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-22 03:52:46,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 03:52:46,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-22 03:52:46,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-22 03:52:46,474 INFO L87 Difference]: Start difference. First operand 7746 states and 8390 transitions. Second operand 7 states. [2021-02-22 03:53:04,689 WARN L202 SmtUtils]: Spent 3.30 s on a formula simplification that was a NOOP. DAG size: 711 [2021-02-22 03:55:31,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 03:55:31,076 INFO L93 Difference]: Finished difference Result 22948 states and 25398 transitions. [2021-02-22 03:55:31,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-22 03:55:31,077 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1651 [2021-02-22 03:55:31,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 03:55:31,180 INFO L225 Difference]: With dead ends: 22948 [2021-02-22 03:55:31,180 INFO L226 Difference]: Without dead ends: 16461 [2021-02-22 03:55:31,205 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2021-02-22 03:55:31,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16461 states. [2021-02-22 03:55:39,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16461 to 14168. [2021-02-22 03:55:39,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14168 states. [2021-02-22 03:55:39,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14168 states to 14168 states and 15435 transitions. [2021-02-22 03:55:39,438 INFO L78 Accepts]: Start accepts. Automaton has 14168 states and 15435 transitions. Word has length 1651 [2021-02-22 03:55:39,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 03:55:39,443 INFO L480 AbstractCegarLoop]: Abstraction has 14168 states and 15435 transitions. [2021-02-22 03:55:39,443 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-22 03:55:39,443 INFO L276 IsEmpty]: Start isEmpty. Operand 14168 states and 15435 transitions. [2021-02-22 03:55:39,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1697 [2021-02-22 03:55:39,587 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 03:55:39,589 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] [2021-02-22 03:55:39,589 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-22 03:55:39,589 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 03:55:39,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 03:55:39,591 INFO L82 PathProgramCache]: Analyzing trace with hash -745711009, now seen corresponding path program 1 times [2021-02-22 03:55:39,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 03:55:39,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [241531439] [2021-02-22 03:55:39,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 03:55:39,620 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 03:55:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:40,562 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:40,565 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:40,566 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:40,567 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:43,958 WARN L202 SmtUtils]: Spent 3.36 s on a formula simplification that was a NOOP. DAG size: 709 [2021-02-22 03:55:43,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 03:55:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:44,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:44,424 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:44,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2021-02-22 03:55:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:44,894 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:44,894 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:44,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2021-02-22 03:55:44,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:44,906 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:44,907 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:44,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2021-02-22 03:55:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:44,918 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:44,919 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:44,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2021-02-22 03:55:44,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:44,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:44,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:44,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2021-02-22 03:55:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:44,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:44,943 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:44,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2021-02-22 03:55:44,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:44,954 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:44,954 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:44,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2021-02-22 03:55:44,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:44,967 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:44,967 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:44,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2021-02-22 03:55:44,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:44,980 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:44,980 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:44,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2021-02-22 03:55:44,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:44,992 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:44,993 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:44,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2021-02-22 03:55:44,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:45,005 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:45,006 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:45,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2021-02-22 03:55:45,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:45,018 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:45,019 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:45,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2021-02-22 03:55:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:45,031 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:45,032 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:45,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2021-02-22 03:55:45,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:45,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:45,044 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:45,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2021-02-22 03:55:45,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:45,058 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:45,059 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:45,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2021-02-22 03:55:45,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:45,073 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:45,074 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:45,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2021-02-22 03:55:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:45,088 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:45,089 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:45,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2021-02-22 03:55:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:45,104 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:45,104 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:45,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2021-02-22 03:55:45,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:45,120 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:45,121 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:45,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2021-02-22 03:55:45,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:45,135 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:45,136 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:45,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2021-02-22 03:55:45,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:45,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:45,158 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:45,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2021-02-22 03:55:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:45,173 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:45,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:45,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2021-02-22 03:55:45,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:45,190 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:45,190 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:45,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1440 [2021-02-22 03:55:45,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:45,205 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:45,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:45,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-22 03:55:45,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:45,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:45,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:45,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2021-02-22 03:55:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:45,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:45,238 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:45,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1485 [2021-02-22 03:55:45,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:45,254 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:45,254 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:45,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2021-02-22 03:55:45,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:45,274 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:45,274 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:45,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2021-02-22 03:55:45,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:45,305 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:45,305 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:45,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2021-02-22 03:55:45,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:45,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:45,337 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:45,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2021-02-22 03:55:45,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:45,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:45,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:45,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2021-02-22 03:55:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:45,375 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:45,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:45,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1575 [2021-02-22 03:55:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:45,387 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:45,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:45,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1578 [2021-02-22 03:55:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:45,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:45,442 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 03:55:45,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:45,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 03:55:45,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:45,487 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 03:55:45,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1588 [2021-02-22 03:55:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:45,527 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:45,528 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:45,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1598 [2021-02-22 03:55:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:45,541 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:45,542 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:45,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1636 [2021-02-22 03:55:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:45,598 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:45,607 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:45,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 03:55:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:45,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:45,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:45,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-22 03:55:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:45,643 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:45,644 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:45,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-22 03:55:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:45,691 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:45,696 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:45,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 03:55:45,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:55:45,708 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:55:45,709 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:55:47,449 INFO L134 CoverageAnalysis]: Checked inductivity of 5139 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 5125 trivial. 0 not checked. [2021-02-22 03:55:47,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [241531439] [2021-02-22 03:55:47,450 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 03:55:47,450 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-22 03:55:47,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392600466] [2021-02-22 03:55:47,452 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-22 03:55:47,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 03:55:47,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-22 03:55:47,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-02-22 03:55:47,453 INFO L87 Difference]: Start difference. First operand 14168 states and 15435 transitions. Second operand 10 states. [2021-02-22 03:55:56,496 WARN L202 SmtUtils]: Spent 3.29 s on a formula simplification that was a NOOP. DAG size: 712 [2021-02-22 03:57:20,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 03:57:20,847 INFO L93 Difference]: Finished difference Result 29396 states and 32473 transitions. [2021-02-22 03:57:20,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-22 03:57:20,847 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1696 [2021-02-22 03:57:20,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 03:57:20,919 INFO L225 Difference]: With dead ends: 29396 [2021-02-22 03:57:20,919 INFO L226 Difference]: Without dead ends: 16464 [2021-02-22 03:57:20,966 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2021-02-22 03:57:20,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16464 states. [2021-02-22 03:57:29,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16464 to 14172. [2021-02-22 03:57:29,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14172 states. [2021-02-22 03:57:29,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14172 states to 14172 states and 15439 transitions. [2021-02-22 03:57:29,066 INFO L78 Accepts]: Start accepts. Automaton has 14172 states and 15439 transitions. Word has length 1696 [2021-02-22 03:57:29,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 03:57:29,068 INFO L480 AbstractCegarLoop]: Abstraction has 14172 states and 15439 transitions. [2021-02-22 03:57:29,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-22 03:57:29,068 INFO L276 IsEmpty]: Start isEmpty. Operand 14172 states and 15439 transitions. [2021-02-22 03:57:29,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1709 [2021-02-22 03:57:29,099 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 03:57:29,100 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] [2021-02-22 03:57:29,101 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-22 03:57:29,101 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 03:57:29,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 03:57:29,102 INFO L82 PathProgramCache]: Analyzing trace with hash -1557834395, now seen corresponding path program 2 times [2021-02-22 03:57:29,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 03:57:29,102 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1227447489] [2021-02-22 03:57:29,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 03:57:29,121 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 03:57:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:29,966 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:29,967 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:29,971 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:29,972 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:33,308 WARN L202 SmtUtils]: Spent 3.31 s on a formula simplification that was a NOOP. DAG size: 709 [2021-02-22 03:57:33,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 03:57:33,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:33,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:33,744 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2021-02-22 03:57:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,198 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,199 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2021-02-22 03:57:34,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,209 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2021-02-22 03:57:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,220 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2021-02-22 03:57:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,231 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,232 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2021-02-22 03:57:34,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,242 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2021-02-22 03:57:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,254 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,254 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2021-02-22 03:57:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,265 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2021-02-22 03:57:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,275 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,275 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2021-02-22 03:57:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,285 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,286 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2021-02-22 03:57:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2021-02-22 03:57:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2021-02-22 03:57:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,317 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,317 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2021-02-22 03:57:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,328 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,328 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2021-02-22 03:57:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2021-02-22 03:57:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,349 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,350 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2021-02-22 03:57:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,360 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2021-02-22 03:57:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2021-02-22 03:57:34,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,381 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2021-02-22 03:57:34,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2021-02-22 03:57:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,402 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,402 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2021-02-22 03:57:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2021-02-22 03:57:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,425 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,425 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1440 [2021-02-22 03:57:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,436 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,436 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-22 03:57:34,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,447 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,448 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2021-02-22 03:57:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,459 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,459 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1485 [2021-02-22 03:57:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,470 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,471 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2021-02-22 03:57:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,482 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2021-02-22 03:57:34,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,494 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,494 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2021-02-22 03:57:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,506 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,506 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2021-02-22 03:57:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,517 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,518 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2021-02-22 03:57:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,529 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,529 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1575 [2021-02-22 03:57:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,537 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,538 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1578 [2021-02-22 03:57:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 03:57:34,602 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,602 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 03:57:34,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,625 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 03:57:34,647 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,648 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 03:57:34,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1592 [2021-02-22 03:57:34,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,686 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,687 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1606 [2021-02-22 03:57:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,699 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,699 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1648 [2021-02-22 03:57:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,751 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,752 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 03:57:34,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,766 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,766 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-22 03:57:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,776 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,777 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-22 03:57:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,821 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:34,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 03:57:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:57:34,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:57:34,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:57:36,775 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5129 trivial. 0 not checked. [2021-02-22 03:57:36,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1227447489] [2021-02-22 03:57:36,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 03:57:36,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-22 03:57:36,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998497040] [2021-02-22 03:57:36,777 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-22 03:57:36,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 03:57:36,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-22 03:57:36,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-02-22 03:57:36,778 INFO L87 Difference]: Start difference. First operand 14172 states and 15439 transitions. Second operand 11 states. [2021-02-22 03:57:44,178 WARN L202 SmtUtils]: Spent 3.13 s on a formula simplification that was a NOOP. DAG size: 712 [2021-02-22 03:57:47,979 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2021-02-22 03:58:12,213 WARN L202 SmtUtils]: Spent 3.18 s on a formula simplification that was a NOOP. DAG size: 715 [2021-02-22 03:59:00,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 03:59:00,498 INFO L93 Difference]: Finished difference Result 29406 states and 32483 transitions. [2021-02-22 03:59:00,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-22 03:59:00,499 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1708 [2021-02-22 03:59:00,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 03:59:00,559 INFO L225 Difference]: With dead ends: 29406 [2021-02-22 03:59:00,560 INFO L226 Difference]: Without dead ends: 16470 [2021-02-22 03:59:00,601 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2021-02-22 03:59:00,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16470 states. [2021-02-22 03:59:10,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16470 to 14178. [2021-02-22 03:59:10,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14178 states. [2021-02-22 03:59:10,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14178 states to 14178 states and 15445 transitions. [2021-02-22 03:59:10,554 INFO L78 Accepts]: Start accepts. Automaton has 14178 states and 15445 transitions. Word has length 1708 [2021-02-22 03:59:10,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 03:59:10,555 INFO L480 AbstractCegarLoop]: Abstraction has 14178 states and 15445 transitions. [2021-02-22 03:59:10,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-22 03:59:10,555 INFO L276 IsEmpty]: Start isEmpty. Operand 14178 states and 15445 transitions. [2021-02-22 03:59:10,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1721 [2021-02-22 03:59:10,585 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 03:59:10,586 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] [2021-02-22 03:59:10,586 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-22 03:59:10,587 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 03:59:10,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 03:59:10,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1341982869, now seen corresponding path program 3 times [2021-02-22 03:59:10,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 03:59:10,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [285452862] [2021-02-22 03:59:10,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 03:59:10,605 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 03:59:10,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:11,403 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:11,403 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:11,404 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:11,405 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:14,543 WARN L202 SmtUtils]: Spent 3.12 s on a formula simplification that was a NOOP. DAG size: 709 [2021-02-22 03:59:14,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 03:59:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:14,880 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:14,882 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2021-02-22 03:59:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,340 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2021-02-22 03:59:15,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,358 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2021-02-22 03:59:15,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2021-02-22 03:59:15,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,387 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,389 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2021-02-22 03:59:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2021-02-22 03:59:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,416 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,417 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2021-02-22 03:59:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,427 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2021-02-22 03:59:15,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,439 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,440 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2021-02-22 03:59:15,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2021-02-22 03:59:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,463 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,464 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2021-02-22 03:59:15,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,474 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,475 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2021-02-22 03:59:15,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2021-02-22 03:59:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,497 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,498 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2021-02-22 03:59:15,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,510 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,511 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2021-02-22 03:59:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,520 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,521 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2021-02-22 03:59:15,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,530 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,531 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2021-02-22 03:59:15,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,542 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,542 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2021-02-22 03:59:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,554 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,555 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2021-02-22 03:59:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,564 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,565 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2021-02-22 03:59:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,575 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2021-02-22 03:59:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,588 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2021-02-22 03:59:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,598 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,599 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1440 [2021-02-22 03:59:15,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,609 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,610 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-22 03:59:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,621 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,621 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2021-02-22 03:59:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,632 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1485 [2021-02-22 03:59:15,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,645 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2021-02-22 03:59:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,657 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2021-02-22 03:59:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2021-02-22 03:59:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,676 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,677 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2021-02-22 03:59:15,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,687 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,688 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2021-02-22 03:59:15,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,699 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,700 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1575 [2021-02-22 03:59:15,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,707 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,707 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1578 [2021-02-22 03:59:15,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,757 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,758 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 03:59:15,775 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,776 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 03:59:15,796 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,797 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 03:59:15,817 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,818 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 03:59:15,838 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,839 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 03:59:15,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1596 [2021-02-22 03:59:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,873 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1614 [2021-02-22 03:59:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,887 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,887 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1660 [2021-02-22 03:59:15,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,937 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,937 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 03:59:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,950 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,950 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-22 03:59:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,958 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,959 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:15,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-22 03:59:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:15,999 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:15,999 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:16,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 03:59:16,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 03:59:16,009 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 03:59:16,009 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 03:59:18,020 INFO L134 CoverageAnalysis]: Checked inductivity of 5163 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 5133 trivial. 0 not checked. [2021-02-22 03:59:18,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [285452862] [2021-02-22 03:59:18,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 03:59:18,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-02-22 03:59:18,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262920491] [2021-02-22 03:59:18,023 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-22 03:59:18,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 03:59:18,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-22 03:59:18,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-02-22 03:59:18,024 INFO L87 Difference]: Start difference. First operand 14178 states and 15445 transitions. Second operand 12 states. [2021-02-22 03:59:25,767 WARN L202 SmtUtils]: Spent 3.08 s on a formula simplification that was a NOOP. DAG size: 712 [2021-02-22 04:00:49,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 04:00:49,503 INFO L93 Difference]: Finished difference Result 29416 states and 32493 transitions. [2021-02-22 04:00:49,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-22 04:00:49,503 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 1720 [2021-02-22 04:00:49,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 04:00:49,557 INFO L225 Difference]: With dead ends: 29416 [2021-02-22 04:00:49,557 INFO L226 Difference]: Without dead ends: 16474 [2021-02-22 04:00:49,593 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2021-02-22 04:00:49,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16474 states. [2021-02-22 04:00:58,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16474 to 14182. [2021-02-22 04:00:58,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14182 states. [2021-02-22 04:00:58,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14182 states to 14182 states and 15449 transitions. [2021-02-22 04:00:58,615 INFO L78 Accepts]: Start accepts. Automaton has 14182 states and 15449 transitions. Word has length 1720 [2021-02-22 04:00:58,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 04:00:58,616 INFO L480 AbstractCegarLoop]: Abstraction has 14182 states and 15449 transitions. [2021-02-22 04:00:58,616 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-22 04:00:58,616 INFO L276 IsEmpty]: Start isEmpty. Operand 14182 states and 15449 transitions. [2021-02-22 04:00:58,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1733 [2021-02-22 04:00:58,646 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 04:00:58,647 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] [2021-02-22 04:00:58,647 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-22 04:00:58,647 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 04:00:58,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 04:00:58,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1763950705, now seen corresponding path program 4 times [2021-02-22 04:00:58,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 04:00:58,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1758485462] [2021-02-22 04:00:58,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 04:00:58,667 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 04:00:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:00:59,772 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:00:59,782 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 04:00:59,789 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:00:59,789 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 04:00:59,790 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:00:59,790 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:02,886 WARN L202 SmtUtils]: Spent 3.06 s on a formula simplification that was a NOOP. DAG size: 709 [2021-02-22 04:01:02,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 04:01:03,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:03,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:03,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:03,415 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:03,416 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 04:01:04,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2021-02-22 04:01:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,052 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2021-02-22 04:01:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,064 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,064 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2021-02-22 04:01:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,076 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,076 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2021-02-22 04:01:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,088 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,088 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2021-02-22 04:01:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,100 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,101 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2021-02-22 04:01:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,113 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,113 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2021-02-22 04:01:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,126 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2021-02-22 04:01:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,138 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,138 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2021-02-22 04:01:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,151 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,151 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2021-02-22 04:01:04,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2021-02-22 04:01:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,181 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2021-02-22 04:01:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2021-02-22 04:01:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,213 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2021-02-22 04:01:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,229 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,230 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2021-02-22 04:01:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,243 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2021-02-22 04:01:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,261 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,262 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2021-02-22 04:01:04,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,276 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,277 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2021-02-22 04:01:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2021-02-22 04:01:04,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,307 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2021-02-22 04:01:04,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2021-02-22 04:01:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,335 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2021-02-22 04:01:04,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,352 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,353 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1440 [2021-02-22 04:01:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-22 04:01:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,386 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2021-02-22 04:01:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,398 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,398 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1485 [2021-02-22 04:01:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,411 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,412 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2021-02-22 04:01:04,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,426 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2021-02-22 04:01:04,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,444 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,445 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2021-02-22 04:01:04,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,463 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,464 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2021-02-22 04:01:04,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,476 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2021-02-22 04:01:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,495 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,495 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1575 [2021-02-22 04:01:04,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,506 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,507 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1578 [2021-02-22 04:01:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,551 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1600 [2021-02-22 04:01:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,569 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1622 [2021-02-22 04:01:04,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,587 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,587 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1672 [2021-02-22 04:01:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,641 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 04:01:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,654 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,655 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-22 04:01:04,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,663 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,664 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-22 04:01:04,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,706 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,707 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:04,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 04:01:04,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 04:01:04,716 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 04:01:04,717 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 04:01:07,080 INFO L134 CoverageAnalysis]: Checked inductivity of 5175 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5175 trivial. 0 not checked. [2021-02-22 04:01:07,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1758485462] [2021-02-22 04:01:07,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 04:01:07,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-22 04:01:07,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515021445] [2021-02-22 04:01:07,082 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-22 04:01:07,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 04:01:07,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-22 04:01:07,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-02-22 04:01:07,083 INFO L87 Difference]: Start difference. First operand 14182 states and 15449 transitions. Second operand 8 states. [2021-02-22 04:01:13,286 WARN L202 SmtUtils]: Spent 3.22 s on a formula simplification that was a NOOP. DAG size: 712