/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/acceleratedInterpolationFastUPR_64.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 20:34:59,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 20:34:59,013 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 20:34:59,049 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 20:34:59,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 20:34:59,051 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 20:34:59,052 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 20:34:59,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 20:34:59,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 20:34:59,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 20:34:59,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 20:34:59,060 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 20:34:59,061 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 20:34:59,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 20:34:59,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 20:34:59,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 20:34:59,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 20:34:59,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 20:34:59,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 20:34:59,071 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 20:34:59,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 20:34:59,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 20:34:59,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 20:34:59,077 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 20:34:59,091 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-23 20:34:59,091 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-23 20:34:59,092 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-23 20:34:59,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-23 20:34:59,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-23 20:34:59,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2021-02-23 20:34:59,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 20:34:59,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 20:34:59,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 20:34:59,111 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_64.epf [2021-02-23 20:34:59,135 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 20:34:59,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 20:34:59,140 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 20:34:59,141 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 20:34:59,141 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 20:34:59,141 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 20:34:59,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 20:34:59,141 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 20:34:59,142 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 20:34:59,142 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 20:34:59,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 20:34:59,142 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 20:34:59,142 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 20:34:59,143 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 20:34:59,143 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 20:34:59,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 20:34:59,144 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 20:34:59,145 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 20:34:59,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 20:34:59,145 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 20:34:59,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 20:34:59,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 20:34:59,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 20:34:59,542 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 20:34:59,542 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 20:34:59,543 INFO L432 ainManager$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 [2021-02-23 20:34:59,632 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e417950a0/a67f456c4f8f442eb5484174abfebd07/FLAG6914ba31e [2021-02-23 20:35:00,642 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 20:35:00,643 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 [2021-02-23 20:35:00,690 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e417950a0/a67f456c4f8f442eb5484174abfebd07/FLAG6914ba31e [2021-02-23 20:35:01,100 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e417950a0/a67f456c4f8f442eb5484174abfebd07 [2021-02-23 20:35:01,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 20:35:01,117 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 20:35:01,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 20:35:01,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 20:35:01,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 20:35:01,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 08:35:01" (1/1) ... [2021-02-23 20:35:01,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25062eb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:35:01, skipping insertion in model container [2021-02-23 20:35:01,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 08:35:01" (1/1) ... [2021-02-23 20:35:01,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 20:35:01,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 20:35:01,872 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4416] [2021-02-23 20:35:02,591 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] [2021-02-23 20:35:03,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 20:35:03,564 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 20:35:03,712 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4416] [2021-02-23 20:35:03,741 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] [2021-02-23 20:35:03,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 20:35:04,436 INFO L208 MainTranslator]: Completed translation [2021-02-23 20:35:04,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:35:04 WrapperNode [2021-02-23 20:35:04,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 20:35:04,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 20:35:04,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 20:35:04,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 20:35:04,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:35:04" (1/1) ... [2021-02-23 20:35:04,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:35:04" (1/1) ... [2021-02-23 20:35:04,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:35:04" (1/1) ... [2021-02-23 20:35:04,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:35:04" (1/1) ... [2021-02-23 20:35:05,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:35:04" (1/1) ... [2021-02-23 20:35:05,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:35:04" (1/1) ... [2021-02-23 20:35:05,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:35:04" (1/1) ... [2021-02-23 20:35:05,650 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 20:35:05,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 20:35:05,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 20:35:05,654 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 20:35:05,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:35:04" (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 [2021-02-23 20:35:05,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 20:35:05,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 20:35:05,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-02-23 20:35:05,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-02-23 20:35:05,808 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 20:35:05,809 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2021-02-23 20:35:05,809 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-02-23 20:35:05,809 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_isoc [2021-02-23 20:35:05,809 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_isoc_in [2021-02-23 20:35:05,809 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-02-23 20:35:05,809 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-02-23 20:35:05,809 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-02-23 20:35:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-02-23 20:35:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-02-23 20:35:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-02-23 20:35:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2021-02-23 20:35:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-02-23 20:35:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-02-23 20:35:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-02-23 20:35:05,811 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-02-23 20:35:05,811 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-02-23 20:35:05,811 INFO L138 BoogieDeclarations]: Found implementation of procedure list_is_singular [2021-02-23 20:35:05,811 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-02-23 20:35:05,811 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-02-23 20:35:05,811 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-02-23 20:35:05,812 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2021-02-23 20:35:05,812 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-02-23 20:35:05,812 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2021-02-23 20:35:05,812 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-02-23 20:35:05,812 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2021-02-23 20:35:05,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-02-23 20:35:05,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-02-23 20:35:05,812 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-02-23 20:35:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-02-23 20:35:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-02-23 20:35:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-02-23 20:35:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-02-23 20:35:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-02-23 20:35:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-02-23 20:35:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-02-23 20:35:05,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2021-02-23 20:35:05,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-02-23 20:35:05,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-02-23 20:35:05,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-02-23 20:35:05,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2021-02-23 20:35:05,814 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-02-23 20:35:05,814 INFO L138 BoogieDeclarations]: Found implementation of procedure video_register_device [2021-02-23 20:35:05,814 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2021-02-23 20:35:05,815 INFO L138 BoogieDeclarations]: Found implementation of procedure video_set_drvdata [2021-02-23 20:35:05,815 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2021-02-23 20:35:05,815 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2021-02-23 20:35:05,815 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_write_reg [2021-02-23 20:35:05,815 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_read_reg [2021-02-23 20:35:05,815 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_start_stream [2021-02-23 20:35:05,815 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_stop_stream [2021-02-23 20:35:05,816 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_initialise [2021-02-23 20:35:05,816 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_isoc_handler [2021-02-23 20:35:05,816 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_prepare_iso [2021-02-23 20:35:05,816 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_clean_iso [2021-02-23 20:35:05,816 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_setup_siobuf [2021-02-23 20:35:05,816 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_free_sio_buffers [2021-02-23 20:35:05,816 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_prepare_sio_buffers [2021-02-23 20:35:05,817 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_allocate_buffers [2021-02-23 20:35:05,817 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_free_buffers [2021-02-23 20:35:05,817 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_stk_open [2021-02-23 20:35:05,817 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_stk_release [2021-02-23 20:35:05,817 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_read [2021-02-23 20:35:05,817 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_stk_read [2021-02-23 20:35:05,817 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_stk_poll [2021-02-23 20:35:05,817 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_v4l_vm_open [2021-02-23 20:35:05,818 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_v4l_vm_close [2021-02-23 20:35:05,818 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_stk_mmap [2021-02-23 20:35:05,818 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_querycap [2021-02-23 20:35:05,818 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_enum_input [2021-02-23 20:35:05,818 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_g_input [2021-02-23 20:35:05,818 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_s_input [2021-02-23 20:35:05,818 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_s_ctrl [2021-02-23 20:35:05,819 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_enum_fmt_vid_cap [2021-02-23 20:35:05,819 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_g_fmt_vid_cap [2021-02-23 20:35:05,819 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_try_fmt_vid_cap [2021-02-23 20:35:05,819 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_try_fmt_vid_cap [2021-02-23 20:35:05,819 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_setup_format [2021-02-23 20:35:05,819 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_s_fmt_vid_cap [2021-02-23 20:35:05,819 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_reqbufs [2021-02-23 20:35:05,820 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_querybuf [2021-02-23 20:35:05,820 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_qbuf [2021-02-23 20:35:05,820 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_dqbuf [2021-02-23 20:35:05,820 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_streamon [2021-02-23 20:35:05,820 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_streamoff [2021-02-23 20:35:05,820 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_g_parm [2021-02-23 20:35:05,821 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_vidioc_enum_framesizes [2021-02-23 20:35:05,821 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_v4l_dev_release [2021-02-23 20:35:05,821 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_register_video_device [2021-02-23 20:35:05,821 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_probe [2021-02-23 20:35:05,821 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_disconnect [2021-02-23 20:35:05,821 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_suspend [2021-02-23 20:35:05,821 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_resume [2021-02-23 20:35:05,822 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_driver_init [2021-02-23 20:35:05,822 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_camera_driver_exit [2021-02-23 20:35:05,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_v4l2_ioctl_ops_3 [2021-02-23 20:35:05,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_vm_operations_struct_6 [2021-02-23 20:35:05,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2021-02-23 20:35:05,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_v4l2_file_operations_4 [2021-02-23 20:35:05,822 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 20:35:05,823 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-02-23 20:35:05,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2021-02-23 20:35:05,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2021-02-23 20:35:05,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_4 [2021-02-23 20:35:05,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_5 [2021-02-23 20:35:05,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_6 [2021-02-23 20:35:05,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_7 [2021-02-23 20:35:05,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_8 [2021-02-23 20:35:05,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf_9 [2021-02-23 20:35:05,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_10 [2021-02-23 20:35:05,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_11 [2021-02-23 20:35:05,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_15 [2021-02-23 20:35:05,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_16 [2021-02-23 20:35:05,824 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_outb [2021-02-23 20:35:05,825 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_inb [2021-02-23 20:35:05,825 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_write_regvals [2021-02-23 20:35:05,825 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_sleep [2021-02-23 20:35:05,825 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_wakeup [2021-02-23 20:35:05,825 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_init [2021-02-23 20:35:05,825 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_set_hw [2021-02-23 20:35:05,825 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_configure [2021-02-23 20:35:05,826 INFO L138 BoogieDeclarations]: Found implementation of procedure stk_sensor_set_brightness [2021-02-23 20:35:05,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2021-02-23 20:35:05,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2021-02-23 20:35:05,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2021-02-23 20:35:05,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2021-02-23 20:35:05,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2021-02-23 20:35:05,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2021-02-23 20:35:05,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2021-02-23 20:35:05,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2021-02-23 20:35:05,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2021-02-23 20:35:05,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2021-02-23 20:35:05,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2021-02-23 20:35:05,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2021-02-23 20:35:05,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2021-02-23 20:35:05,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2021-02-23 20:35:05,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2021-02-23 20:35:05,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2021-02-23 20:35:05,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-02-23 20:35:05,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-02-23 20:35:05,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-02-23 20:35:05,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-02-23 20:35:05,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-02-23 20:35:05,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __printk_ratelimit [2021-02-23 20:35:05,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-02-23 20:35:05,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __video_register_device [2021-02-23 20:35:05,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-02-23 20:35:05,829 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-02-23 20:35:05,829 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-02-23 20:35:05,830 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2021-02-23 20:35:05,830 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2021-02-23 20:35:05,830 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-02-23 20:35:05,830 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-02-23 20:35:05,830 INFO L138 BoogieDeclarations]: Found implementation of procedure dmi_check_system [2021-02-23 20:35:05,830 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-02-23 20:35:05,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-02-23 20:35:05,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_2 [2021-02-23 20:35:05,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2021-02-23 20:35:05,831 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-02-23 20:35:05,831 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-02-23 20:35:05,831 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-02-23 20:35:05,831 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-02-23 20:35:05,831 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-02-23 20:35:05,831 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-02-23 20:35:05,832 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2021-02-23 20:35:05,832 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_vmalloc_range [2021-02-23 20:35:05,832 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-02-23 20:35:05,832 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-02-23 20:35:05,832 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2021-02-23 20:35:05,832 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2021-02-23 20:35:05,832 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-02-23 20:35:05,832 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2021-02-23 20:35:05,833 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-02-23 20:35:05,833 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2021-02-23 20:35:05,833 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_init_class [2021-02-23 20:35:05,833 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_log_status [2021-02-23 20:35:05,833 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-02-23 20:35:05,833 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_poll [2021-02-23 20:35:05,834 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2021-02-23 20:35:05,834 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_register [2021-02-23 20:35:05,834 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2021-02-23 20:35:05,834 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2021-02-23 20:35:05,834 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_open [2021-02-23 20:35:05,834 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_release [2021-02-23 20:35:05,834 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_timestamp [2021-02-23 20:35:05,834 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-02-23 20:35:05,835 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2021-02-23 20:35:05,835 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2021-02-23 20:35:05,835 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2021-02-23 20:35:05,835 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_user [2021-02-23 20:35:05,835 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2021-02-23 20:35:05,835 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-02-23 20:35:05,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-02-23 20:35:05,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-02-23 20:35:05,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-02-23 20:35:05,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-02-23 20:35:05,836 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 20:35:05,836 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 20:35:05,836 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-23 20:35:05,836 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-23 20:35:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 20:35:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 20:35:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-02-23 20:35:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-02-23 20:35:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2021-02-23 20:35:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2021-02-23 20:35:05,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 20:35:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-02-23 20:35:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_isoc [2021-02-23 20:35:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_isoc_in [2021-02-23 20:35:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-02-23 20:35:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-02-23 20:35:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2021-02-23 20:35:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure __printk_ratelimit [2021-02-23 20:35:05,838 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-02-23 20:35:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2021-02-23 20:35:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-02-23 20:35:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-02-23 20:35:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-02-23 20:35:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-02-23 20:35:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-02-23 20:35:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2021-02-23 20:35:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-02-23 20:35:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-23 20:35:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-02-23 20:35:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-02-23 20:35:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-23 20:35:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-02-23 20:35:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-02-23 20:35:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-02-23 20:35:05,841 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-02-23 20:35:05,841 INFO L130 BoogieDeclarations]: Found specification of procedure list_is_singular [2021-02-23 20:35:05,841 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-02-23 20:35:05,841 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-02-23 20:35:05,841 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2021-02-23 20:35:05,841 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-02-23 20:35:05,841 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-02-23 20:35:05,841 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-02-23 20:35:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-02-23 20:35:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-02-23 20:35:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-02-23 20:35:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2021-02-23 20:35:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-02-23 20:35:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-02-23 20:35:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-02-23 20:35:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-02-23 20:35:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_user [2021-02-23 20:35:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-02-23 20:35:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure remap_vmalloc_range [2021-02-23 20:35:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-02-23 20:35:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-02-23 20:35:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2021-02-23 20:35:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-02-23 20:35:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-02-23 20:35:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-02-23 20:35:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2021-02-23 20:35:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-02-23 20:35:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2021-02-23 20:35:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-02-23 20:35:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_11 [2021-02-23 20:35:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_10 [2021-02-23 20:35:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2021-02-23 20:35:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf_9 [2021-02-23 20:35:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-02-23 20:35:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_7 [2021-02-23 20:35:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_8 [2021-02-23 20:35:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2021-02-23 20:35:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2021-02-23 20:35:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_15 [2021-02-23 20:35:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2021-02-23 20:35:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_16 [2021-02-23 20:35:05,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_4 [2021-02-23 20:35:05,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_5 [2021-02-23 20:35:05,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_6 [2021-02-23 20:35:05,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2021-02-23 20:35:05,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2021-02-23 20:35:05,846 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-02-23 20:35:05,846 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-02-23 20:35:05,846 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-02-23 20:35:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-02-23 20:35:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2021-02-23 20:35:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2021-02-23 20:35:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2021-02-23 20:35:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2021-02-23 20:35:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2021-02-23 20:35:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2021-02-23 20:35:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2021-02-23 20:35:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2021-02-23 20:35:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2021-02-23 20:35:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-02-23 20:35:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-02-23 20:35:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-02-23 20:35:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-02-23 20:35:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-02-23 20:35:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-02-23 20:35:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-02-23 20:35:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-02-23 20:35:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-02-23 20:35:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-23 20:35:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-23 20:35:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 20:35:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2021-02-23 20:35:05,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2021-02-23 20:35:05,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2021-02-23 20:35:05,850 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-02-23 20:35:05,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-23 20:35:05,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-02-23 20:35:05,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-02-23 20:35:05,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2021-02-23 20:35:05,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-02-23 20:35:05,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-02-23 20:35:05,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2021-02-23 20:35:05,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_v4l2_ioctl_ops_3 [2021-02-23 20:35:05,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_vm_operations_struct_6 [2021-02-23 20:35:05,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2021-02-23 20:35:05,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_v4l2_file_operations_4 [2021-02-23 20:35:05,851 INFO L130 BoogieDeclarations]: Found specification of procedure dmi_check_system [2021-02-23 20:35:05,851 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-02-23 20:35:05,852 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-02-23 20:35:05,852 INFO L130 BoogieDeclarations]: Found specification of procedure __video_register_device [2021-02-23 20:35:05,852 INFO L130 BoogieDeclarations]: Found specification of procedure video_register_device [2021-02-23 20:35:05,852 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2021-02-23 20:35:05,852 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2021-02-23 20:35:05,852 INFO L130 BoogieDeclarations]: Found specification of procedure video_set_drvdata [2021-02-23 20:35:05,852 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2021-02-23 20:35:05,852 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2021-02-23 20:35:05,852 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2021-02-23 20:35:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_timestamp [2021-02-23 20:35:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2021-02-23 20:35:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2021-02-23 20:35:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_open [2021-02-23 20:35:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_release [2021-02-23 20:35:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_register [2021-02-23 20:35:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2021-02-23 20:35:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_init_class [2021-02-23 20:35:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2021-02-23 20:35:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-02-23 20:35:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_log_status [2021-02-23 20:35:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2021-02-23 20:35:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_poll [2021-02-23 20:35:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_write_reg [2021-02-23 20:35:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_read_reg [2021-02-23 20:35:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_init [2021-02-23 20:35:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_configure [2021-02-23 20:35:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_sleep [2021-02-23 20:35:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_wakeup [2021-02-23 20:35:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_set_brightness [2021-02-23 20:35:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure stk_start_stream [2021-02-23 20:35:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 20:35:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 20:35:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure stk_stop_stream [2021-02-23 20:35:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure stk_initialise [2021-02-23 20:35:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-02-23 20:35:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure stk_isoc_handler [2021-02-23 20:35:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-02-23 20:35:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure stk_prepare_iso [2021-02-23 20:35:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure stk_clean_iso [2021-02-23 20:35:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure stk_setup_siobuf [2021-02-23 20:35:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure stk_free_sio_buffers [2021-02-23 20:35:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure stk_prepare_sio_buffers [2021-02-23 20:35:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure stk_allocate_buffers [2021-02-23 20:35:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure stk_free_buffers [2021-02-23 20:35:05,856 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_stk_open [2021-02-23 20:35:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_stk_release [2021-02-23 20:35:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure stk_read [2021-02-23 20:35:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_stk_read [2021-02-23 20:35:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_stk_poll [2021-02-23 20:35:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure stk_v4l_vm_open [2021-02-23 20:35:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure stk_v4l_vm_close [2021-02-23 20:35:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_stk_mmap [2021-02-23 20:35:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_querycap [2021-02-23 20:35:05,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-02-23 20:35:05,858 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_enum_input [2021-02-23 20:35:05,858 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_g_input [2021-02-23 20:35:05,858 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_s_input [2021-02-23 20:35:05,858 INFO L130 BoogieDeclarations]: Found specification of procedure stk_s_ctrl [2021-02-23 20:35:05,858 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_enum_fmt_vid_cap [2021-02-23 20:35:05,858 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_g_fmt_vid_cap [2021-02-23 20:35:05,858 INFO L130 BoogieDeclarations]: Found specification of procedure stk_try_fmt_vid_cap [2021-02-23 20:35:05,859 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_try_fmt_vid_cap [2021-02-23 20:35:05,859 INFO L130 BoogieDeclarations]: Found specification of procedure stk_setup_format [2021-02-23 20:35:05,859 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_s_fmt_vid_cap [2021-02-23 20:35:05,859 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_reqbufs [2021-02-23 20:35:05,859 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_querybuf [2021-02-23 20:35:05,859 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_qbuf [2021-02-23 20:35:05,859 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_dqbuf [2021-02-23 20:35:05,859 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_streamon [2021-02-23 20:35:05,860 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_streamoff [2021-02-23 20:35:05,860 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_g_parm [2021-02-23 20:35:05,860 INFO L130 BoogieDeclarations]: Found specification of procedure stk_vidioc_enum_framesizes [2021-02-23 20:35:05,860 INFO L130 BoogieDeclarations]: Found specification of procedure stk_v4l_dev_release [2021-02-23 20:35:05,860 INFO L130 BoogieDeclarations]: Found specification of procedure stk_register_video_device [2021-02-23 20:35:05,860 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_probe [2021-02-23 20:35:05,860 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_disconnect [2021-02-23 20:35:05,860 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_suspend [2021-02-23 20:35:05,861 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_resume [2021-02-23 20:35:05,861 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_driver_init [2021-02-23 20:35:05,861 INFO L130 BoogieDeclarations]: Found specification of procedure stk_camera_driver_exit [2021-02-23 20:35:05,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2021-02-23 20:35:05,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-02-23 20:35:05,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-02-23 20:35:05,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_2 [2021-02-23 20:35:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 20:35:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-02-23 20:35:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-02-23 20:35:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_outb [2021-02-23 20:35:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_inb [2021-02-23 20:35:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_write_regvals [2021-02-23 20:35:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure stk_sensor_set_hw [2021-02-23 20:35:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2021-02-23 20:35:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2021-02-23 20:35:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2021-02-23 20:35:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-02-23 20:35:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2021-02-23 20:35:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2021-02-23 20:35:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2021-02-23 20:35:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2021-02-23 20:35:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2021-02-23 20:35:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-23 20:35:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 20:35:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 20:35:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-02-23 20:35:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-02-23 20:35:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-02-23 20:35:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 20:35:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-02-23 20:35:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-02-23 20:35:07,590 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-02-23 20:35:11,696 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2021-02-23 20:35:14,889 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 20:35:14,890 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-23 20:35:14,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 08:35:14 BoogieIcfgContainer [2021-02-23 20:35:14,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 20:35:14,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 20:35:14,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 20:35:14,909 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 20:35:14,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 08:35:01" (1/3) ... [2021-02-23 20:35:14,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76329a0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 08:35:14, skipping insertion in model container [2021-02-23 20:35:14,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 08:35:04" (2/3) ... [2021-02-23 20:35:14,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76329a0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 08:35:14, skipping insertion in model container [2021-02-23 20:35:14,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 08:35:14" (3/3) ... [2021-02-23 20:35:14,913 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i [2021-02-23 20:35:14,920 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 20:35:14,932 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 20:35:14,948 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 20:35:14,974 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 20:35:14,974 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 20:35:14,974 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-23 20:35:14,974 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 20:35:14,975 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 20:35:14,975 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 20:35:14,975 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 20:35:14,975 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 20:35:15,176 INFO L276 IsEmpty]: Start isEmpty. Operand 7799 states. [2021-02-23 20:35:15,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1640 [2021-02-23 20:35:15,321 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 20:35:15,324 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] [2021-02-23 20:35:15,324 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 20:35:15,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 20:35:15,333 INFO L82 PathProgramCache]: Analyzing trace with hash -2108725052, now seen corresponding path program 1 times [2021-02-23 20:35:15,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 20:35:15,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1400424392] [2021-02-23 20:35:15,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 20:35:15,487 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 20:35:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:17,206 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:17,208 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:17,209 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:17,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:20,627 WARN L202 SmtUtils]: Spent 3.37 s on a formula simplification that was a NOOP. DAG size: 709 [2021-02-23 20:35:20,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 20:35:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:21,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:21,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2021-02-23 20:35:22,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,073 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,074 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2021-02-23 20:35:22,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,092 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2021-02-23 20:35:22,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,121 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,121 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2021-02-23 20:35:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,140 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,140 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2021-02-23 20:35:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2021-02-23 20:35:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,186 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,188 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2021-02-23 20:35:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,206 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,207 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2021-02-23 20:35:22,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,223 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,225 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2021-02-23 20:35:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,240 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,241 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2021-02-23 20:35:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,257 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2021-02-23 20:35:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,274 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,274 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2021-02-23 20:35:22,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,291 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,291 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2021-02-23 20:35:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,307 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2021-02-23 20:35:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,327 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2021-02-23 20:35:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2021-02-23 20:35:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2021-02-23 20:35:22,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2021-02-23 20:35:22,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,396 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,397 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2021-02-23 20:35:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,411 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,412 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2021-02-23 20:35:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,426 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2021-02-23 20:35:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,442 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2021-02-23 20:35:22,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,457 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,458 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1440 [2021-02-23 20:35:22,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,474 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,475 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-23 20:35:22,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,493 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,493 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2021-02-23 20:35:22,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,508 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,509 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1485 [2021-02-23 20:35:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,523 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,524 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2021-02-23 20:35:22,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,578 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,579 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2021-02-23 20:35:22,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,593 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,593 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2021-02-23 20:35:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,606 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,606 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2021-02-23 20:35:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,619 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,620 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2021-02-23 20:35:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,632 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1575 [2021-02-23 20:35:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,641 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1578 [2021-02-23 20:35:22,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:35:22,693 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,694 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:35:22,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1584 [2021-02-23 20:35:22,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,721 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1590 [2021-02-23 20:35:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,733 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,733 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1622 [2021-02-23 20:35:22,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,761 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 20:35:22,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,773 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,773 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:22,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 20:35:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:35:22,783 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:35:22,784 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:35:24,491 INFO L134 CoverageAnalysis]: Checked inductivity of 5127 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 5121 trivial. 0 not checked. [2021-02-23 20:35:24,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1400424392] [2021-02-23 20:35:24,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 20:35:24,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-23 20:35:24,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753003533] [2021-02-23 20:35:24,505 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 20:35:24,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 20:35:24,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 20:35:24,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-23 20:35:24,521 INFO L87 Difference]: Start difference. First operand 7799 states. Second operand 8 states. [2021-02-23 20:35:41,032 WARN L202 SmtUtils]: Spent 2.98 s on a formula simplification that was a NOOP. DAG size: 712 [2021-02-23 20:35:44,055 WARN L202 SmtUtils]: Spent 2.99 s on a formula simplification that was a NOOP. DAG size: 714 [2021-02-23 20:37:23,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 20:37:23,521 INFO L93 Difference]: Finished difference Result 15709 states and 17559 transitions. [2021-02-23 20:37:23,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-23 20:37:23,527 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1639 [2021-02-23 20:37:23,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 20:37:23,614 INFO L225 Difference]: With dead ends: 15709 [2021-02-23 20:37:23,614 INFO L226 Difference]: Without dead ends: 9010 [2021-02-23 20:37:23,651 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 9.6s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2021-02-23 20:37:23,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9010 states. [2021-02-23 20:37:28,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9010 to 7745. [2021-02-23 20:37:28,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7745 states. [2021-02-23 20:37:28,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7745 states to 7745 states and 8388 transitions. [2021-02-23 20:37:28,108 INFO L78 Accepts]: Start accepts. Automaton has 7745 states and 8388 transitions. Word has length 1639 [2021-02-23 20:37:28,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 20:37:28,114 INFO L480 AbstractCegarLoop]: Abstraction has 7745 states and 8388 transitions. [2021-02-23 20:37:28,114 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 20:37:28,115 INFO L276 IsEmpty]: Start isEmpty. Operand 7745 states and 8388 transitions. [2021-02-23 20:37:28,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1652 [2021-02-23 20:37:28,143 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 20:37:28,145 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] [2021-02-23 20:37:28,145 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 20:37:28,145 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 20:37:28,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 20:37:28,147 INFO L82 PathProgramCache]: Analyzing trace with hash -211752194, now seen corresponding path program 1 times [2021-02-23 20:37:28,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 20:37:28,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2084445074] [2021-02-23 20:37:28,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 20:37:28,176 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 20:37:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:29,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:29,079 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:29,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:29,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:37:29,088 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:29,088 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:32,361 WARN L202 SmtUtils]: Spent 3.24 s on a formula simplification that was a NOOP. DAG size: 709 [2021-02-23 20:37:32,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 20:37:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:32,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:32,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:33,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2021-02-23 20:37:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:33,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:33,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:33,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2021-02-23 20:37:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:33,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:33,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:33,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2021-02-23 20:37:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:33,650 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:33,650 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:33,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2021-02-23 20:37:33,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:33,663 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:33,664 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:33,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2021-02-23 20:37:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:33,678 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:33,679 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:33,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2021-02-23 20:37:33,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:33,694 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:33,695 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:33,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2021-02-23 20:37:33,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:33,707 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:33,707 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:33,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2021-02-23 20:37:33,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:33,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:33,721 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:33,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2021-02-23 20:37:33,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:33,733 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:33,734 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:33,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2021-02-23 20:37:33,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:33,746 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:33,746 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:33,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2021-02-23 20:37:33,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:33,760 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:33,760 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:33,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2021-02-23 20:37:33,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:33,772 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:33,773 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:33,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2021-02-23 20:37:33,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:33,787 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:33,788 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:33,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2021-02-23 20:37:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:33,800 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:33,800 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:33,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2021-02-23 20:37:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:33,814 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:33,814 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:33,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2021-02-23 20:37:33,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:33,834 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:33,835 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:33,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2021-02-23 20:37:33,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:33,849 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:33,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:33,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2021-02-23 20:37:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:33,867 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:33,869 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:33,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2021-02-23 20:37:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:33,880 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:33,881 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:33,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2021-02-23 20:37:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:33,895 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:33,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:33,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2021-02-23 20:37:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:33,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:33,908 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:33,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2021-02-23 20:37:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:33,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:33,922 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:33,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1440 [2021-02-23 20:37:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:33,936 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:33,937 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:33,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-23 20:37:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:33,954 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:33,954 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:33,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2021-02-23 20:37:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:33,967 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:33,968 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:33,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1485 [2021-02-23 20:37:33,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:33,980 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:33,980 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:33,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2021-02-23 20:37:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:33,993 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:33,994 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:33,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2021-02-23 20:37:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:34,008 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:34,009 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:34,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2021-02-23 20:37:34,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:34,022 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:34,024 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:34,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2021-02-23 20:37:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:34,036 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:34,037 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:34,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2021-02-23 20:37:34,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:34,048 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:34,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:34,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1575 [2021-02-23 20:37:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:34,058 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:34,059 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:34,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1578 [2021-02-23 20:37:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:34,094 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:34,094 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:34,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1588 [2021-02-23 20:37:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:34,106 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:34,106 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:34,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1598 [2021-02-23 20:37:34,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:34,118 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:34,216 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:34,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1634 [2021-02-23 20:37:34,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:34,243 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:34,244 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:34,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 20:37:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:34,256 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:34,256 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:34,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 20:37:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:37:34,265 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:37:34,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:37:35,963 INFO L134 CoverageAnalysis]: Checked inductivity of 5139 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5139 trivial. 0 not checked. [2021-02-23 20:37:35,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2084445074] [2021-02-23 20:37:35,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 20:37:35,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-23 20:37:35,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763258999] [2021-02-23 20:37:35,968 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 20:37:35,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 20:37:35,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 20:37:35,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-23 20:37:35,969 INFO L87 Difference]: Start difference. First operand 7745 states and 8388 transitions. Second operand 7 states. [2021-02-23 20:37:53,771 WARN L202 SmtUtils]: Spent 3.23 s on a formula simplification that was a NOOP. DAG size: 711 [2021-02-23 20:40:14,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 20:40:14,894 INFO L93 Difference]: Finished difference Result 22947 states and 25385 transitions. [2021-02-23 20:40:14,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-23 20:40:14,896 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1651 [2021-02-23 20:40:14,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 20:40:14,985 INFO L225 Difference]: With dead ends: 22947 [2021-02-23 20:40:14,985 INFO L226 Difference]: Without dead ends: 16461 [2021-02-23 20:40:15,014 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2021-02-23 20:40:15,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16461 states. [2021-02-23 20:40:23,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16461 to 14108. [2021-02-23 20:40:23,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14108 states. [2021-02-23 20:40:23,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14108 states to 14108 states and 15344 transitions. [2021-02-23 20:40:23,081 INFO L78 Accepts]: Start accepts. Automaton has 14108 states and 15344 transitions. Word has length 1651 [2021-02-23 20:40:23,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 20:40:23,084 INFO L480 AbstractCegarLoop]: Abstraction has 14108 states and 15344 transitions. [2021-02-23 20:40:23,085 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 20:40:23,085 INFO L276 IsEmpty]: Start isEmpty. Operand 14108 states and 15344 transitions. [2021-02-23 20:40:23,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1697 [2021-02-23 20:40:23,115 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 20:40:23,116 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] [2021-02-23 20:40:23,117 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 20:40:23,117 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 20:40:23,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 20:40:23,118 INFO L82 PathProgramCache]: Analyzing trace with hash -745711009, now seen corresponding path program 1 times [2021-02-23 20:40:23,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 20:40:23,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1875029413] [2021-02-23 20:40:23,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 20:40:23,137 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 20:40:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:24,010 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:24,013 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:24,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:24,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:27,112 WARN L202 SmtUtils]: Spent 3.07 s on a formula simplification that was a NOOP. DAG size: 709 [2021-02-23 20:40:27,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 20:40:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:27,578 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:27,578 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2021-02-23 20:40:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,265 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2021-02-23 20:40:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,277 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,278 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2021-02-23 20:40:28,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,289 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,290 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2021-02-23 20:40:28,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,301 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2021-02-23 20:40:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,312 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,312 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2021-02-23 20:40:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,323 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,324 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2021-02-23 20:40:28,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,335 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,335 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2021-02-23 20:40:28,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,347 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2021-02-23 20:40:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2021-02-23 20:40:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2021-02-23 20:40:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,380 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,381 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2021-02-23 20:40:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2021-02-23 20:40:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,403 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2021-02-23 20:40:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,415 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,416 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2021-02-23 20:40:28,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,427 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2021-02-23 20:40:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,438 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,439 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2021-02-23 20:40:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2021-02-23 20:40:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,462 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2021-02-23 20:40:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,474 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,474 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2021-02-23 20:40:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2021-02-23 20:40:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,498 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,498 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2021-02-23 20:40:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,509 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,510 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1440 [2021-02-23 20:40:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-23 20:40:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2021-02-23 20:40:28,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,549 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1485 [2021-02-23 20:40:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,562 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,562 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2021-02-23 20:40:28,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2021-02-23 20:40:28,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,599 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,600 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2021-02-23 20:40:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2021-02-23 20:40:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,636 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2021-02-23 20:40:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,651 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,652 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1575 [2021-02-23 20:40:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,660 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1578 [2021-02-23 20:40:28,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,703 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,703 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:40:28,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:40:28,739 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,740 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:40:28,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1588 [2021-02-23 20:40:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,773 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,773 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1598 [2021-02-23 20:40:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,784 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,785 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1636 [2021-02-23 20:40:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,832 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,837 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 20:40:28,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,856 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-23 20:40:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,868 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,869 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 20:40:28,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,914 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:28,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 20:40:28,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:40:28,926 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:40:28,926 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:40:30,806 INFO L134 CoverageAnalysis]: Checked inductivity of 5139 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 5125 trivial. 0 not checked. [2021-02-23 20:40:30,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1875029413] [2021-02-23 20:40:30,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 20:40:30,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-23 20:40:30,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889261897] [2021-02-23 20:40:30,808 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-23 20:40:30,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 20:40:30,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-23 20:40:30,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-02-23 20:40:30,809 INFO L87 Difference]: Start difference. First operand 14108 states and 15344 transitions. Second operand 10 states. [2021-02-23 20:40:38,603 WARN L202 SmtUtils]: Spent 2.98 s on a formula simplification that was a NOOP. DAG size: 712 [2021-02-23 20:41:49,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 20:41:49,270 INFO L93 Difference]: Finished difference Result 29335 states and 32370 transitions. [2021-02-23 20:41:49,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-23 20:41:49,271 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1696 [2021-02-23 20:41:49,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 20:41:49,360 INFO L225 Difference]: With dead ends: 29335 [2021-02-23 20:41:49,360 INFO L226 Difference]: Without dead ends: 16463 [2021-02-23 20:41:49,403 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2021-02-23 20:41:49,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16463 states. [2021-02-23 20:41:57,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16463 to 14112. [2021-02-23 20:41:57,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14112 states. [2021-02-23 20:41:57,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14112 states to 14112 states and 15348 transitions. [2021-02-23 20:41:57,726 INFO L78 Accepts]: Start accepts. Automaton has 14112 states and 15348 transitions. Word has length 1696 [2021-02-23 20:41:57,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 20:41:57,728 INFO L480 AbstractCegarLoop]: Abstraction has 14112 states and 15348 transitions. [2021-02-23 20:41:57,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-23 20:41:57,728 INFO L276 IsEmpty]: Start isEmpty. Operand 14112 states and 15348 transitions. [2021-02-23 20:41:57,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1709 [2021-02-23 20:41:57,756 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 20:41:57,757 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] [2021-02-23 20:41:57,758 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 20:41:57,758 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 20:41:57,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 20:41:57,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1557834395, now seen corresponding path program 2 times [2021-02-23 20:41:57,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 20:41:57,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [396451703] [2021-02-23 20:41:57,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 20:41:57,776 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 20:41:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:41:58,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:58,729 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:41:58,735 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:41:58,736 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:01,695 WARN L202 SmtUtils]: Spent 2.92 s on a formula simplification that was a NOOP. DAG size: 709 [2021-02-23 20:42:01,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 20:42:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:02,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:02,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:02,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2021-02-23 20:42:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:02,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:02,767 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:02,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2021-02-23 20:42:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:02,780 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:02,781 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:02,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2021-02-23 20:42:02,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:02,793 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:02,794 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:02,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2021-02-23 20:42:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:02,809 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:02,810 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:02,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2021-02-23 20:42:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:02,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:02,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:02,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2021-02-23 20:42:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:02,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:02,836 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:02,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2021-02-23 20:42:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:02,848 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:02,848 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:02,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2021-02-23 20:42:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:02,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:02,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:02,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2021-02-23 20:42:02,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:02,873 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:02,873 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:02,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2021-02-23 20:42:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:02,885 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:02,885 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:02,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2021-02-23 20:42:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:02,897 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:02,897 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:02,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2021-02-23 20:42:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:02,910 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:02,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:02,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2021-02-23 20:42:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:02,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:02,922 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:02,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2021-02-23 20:42:02,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:02,934 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:02,934 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:02,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2021-02-23 20:42:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:02,946 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:02,947 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:02,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2021-02-23 20:42:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:02,961 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:02,962 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:02,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2021-02-23 20:42:02,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:02,976 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:02,976 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:02,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2021-02-23 20:42:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:02,989 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:02,989 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:02,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2021-02-23 20:42:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:03,001 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:03,002 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:03,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2021-02-23 20:42:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:03,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:03,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:03,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2021-02-23 20:42:03,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:03,029 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:03,029 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:03,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2021-02-23 20:42:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:03,050 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:03,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:03,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1440 [2021-02-23 20:42:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:03,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:03,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:03,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-23 20:42:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:03,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:03,128 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:03,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2021-02-23 20:42:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:03,155 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:03,158 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:03,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1485 [2021-02-23 20:42:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:03,175 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:03,176 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:03,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2021-02-23 20:42:03,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:03,188 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:03,189 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:03,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2021-02-23 20:42:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:03,201 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:03,202 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:03,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2021-02-23 20:42:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:03,214 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:03,215 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:03,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2021-02-23 20:42:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:03,243 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:03,244 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:03,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2021-02-23 20:42:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:03,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:03,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:03,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1575 [2021-02-23 20:42:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:03,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:03,267 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:03,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1578 [2021-02-23 20:42:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:03,318 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:03,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:42:03,345 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:03,347 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:42:03,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:03,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:42:03,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:03,401 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:42:03,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1592 [2021-02-23 20:42:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:03,441 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:03,442 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:03,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1606 [2021-02-23 20:42:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:03,456 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:03,457 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:03,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1648 [2021-02-23 20:42:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:03,510 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:03,511 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:03,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 20:42:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:03,526 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:03,527 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:03,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-23 20:42:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:03,537 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:03,537 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:03,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 20:42:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:03,581 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:03,581 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:03,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 20:42:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:42:03,597 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:42:03,598 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:42:06,368 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5129 trivial. 0 not checked. [2021-02-23 20:42:06,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [396451703] [2021-02-23 20:42:06,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 20:42:06,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-23 20:42:06,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992784570] [2021-02-23 20:42:06,371 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-23 20:42:06,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 20:42:06,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-23 20:42:06,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-02-23 20:42:06,372 INFO L87 Difference]: Start difference. First operand 14112 states and 15348 transitions. Second operand 11 states. [2021-02-23 20:42:13,538 WARN L202 SmtUtils]: Spent 3.00 s on a formula simplification that was a NOOP. DAG size: 712 [2021-02-23 20:43:25,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 20:43:25,440 INFO L93 Difference]: Finished difference Result 29343 states and 32378 transitions. [2021-02-23 20:43:25,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-23 20:43:25,440 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1708 [2021-02-23 20:43:25,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 20:43:25,496 INFO L225 Difference]: With dead ends: 29343 [2021-02-23 20:43:25,496 INFO L226 Difference]: Without dead ends: 16467 [2021-02-23 20:43:25,535 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2021-02-23 20:43:25,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16467 states. [2021-02-23 20:43:34,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16467 to 14116. [2021-02-23 20:43:34,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14116 states. [2021-02-23 20:43:34,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14116 states to 14116 states and 15352 transitions. [2021-02-23 20:43:34,116 INFO L78 Accepts]: Start accepts. Automaton has 14116 states and 15352 transitions. Word has length 1708 [2021-02-23 20:43:34,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 20:43:34,117 INFO L480 AbstractCegarLoop]: Abstraction has 14116 states and 15352 transitions. [2021-02-23 20:43:34,117 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-23 20:43:34,118 INFO L276 IsEmpty]: Start isEmpty. Operand 14116 states and 15352 transitions. [2021-02-23 20:43:34,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1721 [2021-02-23 20:43:34,146 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 20:43:34,147 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] [2021-02-23 20:43:34,147 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 20:43:34,147 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 20:43:34,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 20:43:34,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1341982869, now seen corresponding path program 3 times [2021-02-23 20:43:34,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 20:43:34,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [65999219] [2021-02-23 20:43:34,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 20:43:34,166 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 20:43:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:34,842 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:34,842 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:34,843 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:34,844 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:38,161 WARN L202 SmtUtils]: Spent 3.29 s on a formula simplification that was a NOOP. DAG size: 709 [2021-02-23 20:43:38,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 20:43:38,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:38,495 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:38,495 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2021-02-23 20:43:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,026 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,027 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2021-02-23 20:43:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,036 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,037 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2021-02-23 20:43:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2021-02-23 20:43:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,055 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,056 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2021-02-23 20:43:39,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,064 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2021-02-23 20:43:39,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,073 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,075 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2021-02-23 20:43:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,084 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,085 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2021-02-23 20:43:39,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2021-02-23 20:43:39,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,103 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,105 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2021-02-23 20:43:39,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,114 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,115 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2021-02-23 20:43:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,123 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,124 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2021-02-23 20:43:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,133 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2021-02-23 20:43:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,141 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,142 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2021-02-23 20:43:39,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,151 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,152 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2021-02-23 20:43:39,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,161 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,162 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2021-02-23 20:43:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,185 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,185 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2021-02-23 20:43:39,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,194 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2021-02-23 20:43:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,202 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,203 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2021-02-23 20:43:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,212 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2021-02-23 20:43:39,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2021-02-23 20:43:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,230 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2021-02-23 20:43:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,240 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1440 [2021-02-23 20:43:39,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,249 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,249 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-23 20:43:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,259 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2021-02-23 20:43:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,268 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1485 [2021-02-23 20:43:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,277 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,280 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2021-02-23 20:43:39,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,290 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,291 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2021-02-23 20:43:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2021-02-23 20:43:39,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,311 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2021-02-23 20:43:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,320 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,321 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2021-02-23 20:43:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,330 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1575 [2021-02-23 20:43:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,337 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,338 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1578 [2021-02-23 20:43:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:43:39,408 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:43:39,427 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:43:39,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:43:39,464 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,465 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 20:43:39,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1596 [2021-02-23 20:43:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,498 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,499 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1614 [2021-02-23 20:43:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,511 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,511 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1660 [2021-02-23 20:43:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,557 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,558 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 20:43:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,570 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-23 20:43:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,578 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,579 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 20:43:39,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,620 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,621 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:39,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 20:43:39,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:43:39,630 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:43:39,630 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:43:41,708 INFO L134 CoverageAnalysis]: Checked inductivity of 5163 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 5133 trivial. 0 not checked. [2021-02-23 20:43:41,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [65999219] [2021-02-23 20:43:41,709 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 20:43:41,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-02-23 20:43:41,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661760894] [2021-02-23 20:43:41,711 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-23 20:43:41,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 20:43:41,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-23 20:43:41,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-02-23 20:43:41,712 INFO L87 Difference]: Start difference. First operand 14116 states and 15352 transitions. Second operand 12 states. [2021-02-23 20:43:49,098 WARN L202 SmtUtils]: Spent 3.26 s on a formula simplification that was a NOOP. DAG size: 712 [2021-02-23 20:45:02,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 20:45:02,580 INFO L93 Difference]: Finished difference Result 29351 states and 32386 transitions. [2021-02-23 20:45:02,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-23 20:45:02,581 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 1720 [2021-02-23 20:45:02,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 20:45:02,638 INFO L225 Difference]: With dead ends: 29351 [2021-02-23 20:45:02,638 INFO L226 Difference]: Without dead ends: 16471 [2021-02-23 20:45:02,673 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2021-02-23 20:45:02,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16471 states. [2021-02-23 20:45:12,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16471 to 14120. [2021-02-23 20:45:12,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14120 states. [2021-02-23 20:45:12,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14120 states to 14120 states and 15356 transitions. [2021-02-23 20:45:12,797 INFO L78 Accepts]: Start accepts. Automaton has 14120 states and 15356 transitions. Word has length 1720 [2021-02-23 20:45:12,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 20:45:12,799 INFO L480 AbstractCegarLoop]: Abstraction has 14120 states and 15356 transitions. [2021-02-23 20:45:12,799 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-23 20:45:12,799 INFO L276 IsEmpty]: Start isEmpty. Operand 14120 states and 15356 transitions. [2021-02-23 20:45:12,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1733 [2021-02-23 20:45:12,928 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 20:45:12,929 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] [2021-02-23 20:45:12,929 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 20:45:12,929 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 20:45:12,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 20:45:12,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1763950705, now seen corresponding path program 4 times [2021-02-23 20:45:12,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 20:45:12,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1537815920] [2021-02-23 20:45:12,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 20:45:12,946 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 20:45:13,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:14,044 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:14,050 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 20:45:14,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:14,062 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 20:45:14,063 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:14,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:17,076 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification that was a NOOP. DAG size: 709 [2021-02-23 20:45:17,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 20:45:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:17,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:17,662 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:17,671 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:17,672 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 20:45:18,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1104 [2021-02-23 20:45:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,340 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1122 [2021-02-23 20:45:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,352 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,353 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1137 [2021-02-23 20:45:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,365 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1152 [2021-02-23 20:45:18,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,378 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1167 [2021-02-23 20:45:18,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1182 [2021-02-23 20:45:18,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,403 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,403 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1200 [2021-02-23 20:45:18,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,416 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,416 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1215 [2021-02-23 20:45:18,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,428 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1230 [2021-02-23 20:45:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,440 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,440 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1245 [2021-02-23 20:45:18,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1260 [2021-02-23 20:45:18,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,463 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,464 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1275 [2021-02-23 20:45:18,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,475 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1290 [2021-02-23 20:45:18,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,490 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,491 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2021-02-23 20:45:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,506 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,506 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1320 [2021-02-23 20:45:18,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,521 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,522 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1335 [2021-02-23 20:45:18,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,536 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,537 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1350 [2021-02-23 20:45:18,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,552 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,553 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1365 [2021-02-23 20:45:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,567 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1380 [2021-02-23 20:45:18,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,580 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,580 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1395 [2021-02-23 20:45:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,593 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,593 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2021-02-23 20:45:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,607 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,607 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1425 [2021-02-23 20:45:18,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1440 [2021-02-23 20:45:18,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,739 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,740 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-23 20:45:18,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,751 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,752 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1470 [2021-02-23 20:45:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,764 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1485 [2021-02-23 20:45:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,775 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,775 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1500 [2021-02-23 20:45:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,786 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1515 [2021-02-23 20:45:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,798 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,799 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1530 [2021-02-23 20:45:18,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,810 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,810 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1545 [2021-02-23 20:45:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1560 [2021-02-23 20:45:18,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,832 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1575 [2021-02-23 20:45:18,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,841 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1578 [2021-02-23 20:45:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,878 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,879 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1600 [2021-02-23 20:45:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,894 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1622 [2021-02-23 20:45:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,910 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,911 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1672 [2021-02-23 20:45:18,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,960 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,960 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 20:45:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,972 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:18,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-23 20:45:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:18,980 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:18,981 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:19,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 20:45:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:19,019 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:19,019 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:19,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 20:45:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 20:45:19,029 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 20:45:19,029 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 20:45:21,927 INFO L134 CoverageAnalysis]: Checked inductivity of 5175 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5175 trivial. 0 not checked. [2021-02-23 20:45:21,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1537815920] [2021-02-23 20:45:21,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 20:45:21,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-23 20:45:21,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561750803] [2021-02-23 20:45:21,929 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 20:45:21,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 20:45:21,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 20:45:21,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-02-23 20:45:21,930 INFO L87 Difference]: Start difference. First operand 14120 states and 15356 transitions. Second operand 8 states. [2021-02-23 20:45:32,745 WARN L202 SmtUtils]: Spent 3.11 s on a formula simplification that was a NOOP. DAG size: 712