/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--gspca--gspca_main.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-21 23:03:30,233 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 23:03:30,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 23:03:30,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-21 23:03:30,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-21 23:03:30,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-21 23:03:30,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-21 23:03:30,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-21 23:03:30,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-21 23:03:30,291 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-21 23:03:30,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-21 23:03:30,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-21 23:03:30,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 23:03:30,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 23:03:30,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 23:03:30,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 23:03:30,299 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 23:03:30,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 23:03:30,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 23:03:30,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 23:03:30,307 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 23:03:30,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 23:03:30,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 23:03:30,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 23:03:30,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-21 23:03:30,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-21 23:03:30,316 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-21 23:03:30,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-21 23:03:30,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-21 23:03:30,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-21 23:03:30,320 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-21 23:03:30,321 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-21 23:03:30,322 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-21 23:03:30,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-21 23:03:30,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-21 23:03:30,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-21 23:03:30,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-21 23:03:30,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-21 23:03:30,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 23:03:30,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 23:03:30,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 23:03:30,329 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_64.epf [2021-02-21 23:03:30,340 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 23:03:30,340 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 23:03:30,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 23:03:30,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 23:03:30,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 23:03:30,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 23:03:30,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 23:03:30,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 23:03:30,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 23:03:30,343 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 23:03:30,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 23:03:30,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 23:03:30,344 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-21 23:03:30,344 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-21 23:03:30,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 23:03:30,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 23:03:30,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 23:03:30,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-21 23:03:30,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 23:03:30,346 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 23:03:30,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 23:03:30,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 23:03:30,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 23:03:30,771 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 23:03:30,772 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 23:03:30,778 INFO L432 ainManager$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--gspca--gspca_main.ko-entry_point.cil.out.i [2021-02-21 23:03:30,869 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a88024a1a/cff53ebf7bd745e39073883545f4ba53/FLAGf109ec003 [2021-02-21 23:03:32,049 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 23:03:32,050 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--gspca--gspca_main.ko-entry_point.cil.out.i [2021-02-21 23:03:32,107 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a88024a1a/cff53ebf7bd745e39073883545f4ba53/FLAGf109ec003 [2021-02-21 23:03:32,355 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a88024a1a/cff53ebf7bd745e39073883545f4ba53 [2021-02-21 23:03:32,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 23:03:32,373 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 23:03:32,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 23:03:32,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 23:03:32,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 23:03:32,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 11:03:32" (1/1) ... [2021-02-21 23:03:32,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d9ef419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 11:03:32, skipping insertion in model container [2021-02-21 23:03:32,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 11:03:32" (1/1) ... [2021-02-21 23:03:32,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 23:03:32,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 23:03:33,144 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4482] [2021-02-21 23:03:33,889 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--gspca--gspca_main.ko-entry_point.cil.out.i[155153,155166] [2021-02-21 23:03:34,879 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-02-21 23:03:34,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 23:03:34,955 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 23:03:35,124 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4482] [2021-02-21 23:03:35,158 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--gspca--gspca_main.ko-entry_point.cil.out.i[155153,155166] [2021-02-21 23:03:35,659 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-02-21 23:03:35,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 23:03:36,052 INFO L208 MainTranslator]: Completed translation [2021-02-21 23:03:36,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 11:03:36 WrapperNode [2021-02-21 23:03:36,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 23:03:36,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 23:03:36,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 23:03:36,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 23:03:36,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 11:03:36" (1/1) ... [2021-02-21 23:03:36,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 11:03:36" (1/1) ... [2021-02-21 23:03:36,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 11:03:36" (1/1) ... [2021-02-21 23:03:36,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 11:03:36" (1/1) ... [2021-02-21 23:03:37,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 11:03:36" (1/1) ... [2021-02-21 23:03:37,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 11:03:36" (1/1) ... [2021-02-21 23:03:37,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 11:03:36" (1/1) ... [2021-02-21 23:03:37,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 23:03:37,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 23:03:37,340 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 23:03:37,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 23:03:37,341 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 11:03:36" (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 [2021-02-21 23:03:37,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 23:03:37,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 23:03:37,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-02-21 23:03:37,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-02-21 23:03:37,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-02-21 23:03:37,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-02-21 23:03:37,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-02-21 23:03:37,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-02-21 23:03:37,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-02-21 23:03:37,437 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 23:03:37,438 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-02-21 23:03:37,438 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-02-21 23:03:37,438 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-02-21 23:03:37,438 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-02-21 23:03:37,438 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-02-21 23:03:37,438 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-02-21 23:03:37,439 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-02-21 23:03:37,439 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2021-02-21 23:03:37,439 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-02-21 23:03:37,439 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2021-02-21 23:03:37,439 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-02-21 23:03:37,439 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2021-02-21 23:03:37,440 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-02-21 23:03:37,440 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2021-02-21 23:03:37,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-02-21 23:03:37,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-02-21 23:03:37,440 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-02-21 23:03:37,440 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-02-21 23:03:37,441 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-02-21 23:03:37,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-02-21 23:03:37,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-02-21 23:03:37,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-02-21 23:03:37,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2021-02-21 23:03:37,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-02-21 23:03:37,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-02-21 23:03:37,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-02-21 23:03:37,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2021-02-21 23:03:37,442 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-02-21 23:03:37,442 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_requested_events [2021-02-21 23:03:37,442 INFO L138 BoogieDeclarations]: Found implementation of procedure video_register_device [2021-02-21 23:03:37,443 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_disable_ioctl_locking [2021-02-21 23:03:37,443 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_disable_ioctl [2021-02-21 23:03:37,443 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2021-02-21 23:03:37,443 INFO L138 BoogieDeclarations]: Found implementation of procedure video_set_drvdata [2021-02-21 23:03:37,443 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2021-02-21 23:03:37,443 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2021-02-21 23:03:37,444 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2021-02-21 23:03:37,444 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2021-02-21 23:03:37,444 INFO L138 BoogieDeclarations]: Found implementation of procedure PDEBUG_MODE [2021-02-21 23:03:37,444 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_vm_open [2021-02-21 23:03:37,444 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_vm_close [2021-02-21 23:03:37,444 INFO L138 BoogieDeclarations]: Found implementation of procedure int_irq [2021-02-21 23:03:37,444 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_input_connect [2021-02-21 23:03:37,445 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_and_submit_int_urb [2021-02-21 23:03:37,445 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_input_create_urb [2021-02-21 23:03:37,445 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_input_destroy_urb [2021-02-21 23:03:37,445 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_frame [2021-02-21 23:03:37,445 INFO L138 BoogieDeclarations]: Found implementation of procedure isoc_irq [2021-02-21 23:03:37,445 INFO L138 BoogieDeclarations]: Found implementation of procedure bulk_irq [2021-02-21 23:03:37,446 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_frame_add [2021-02-21 23:03:37,446 INFO L138 BoogieDeclarations]: Found implementation of procedure frame_alloc [2021-02-21 23:03:37,446 INFO L138 BoogieDeclarations]: Found implementation of procedure frame_free [2021-02-21 23:03:37,446 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_urbs [2021-02-21 23:03:37,446 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_set_alt0 [2021-02-21 23:03:37,446 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_stream_off [2021-02-21 23:03:37,447 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_xfer [2021-02-21 23:03:37,447 INFO L138 BoogieDeclarations]: Found implementation of procedure which_bandwidth [2021-02-21 23:03:37,447 INFO L138 BoogieDeclarations]: Found implementation of procedure build_isoc_ep_tb [2021-02-21 23:03:37,447 INFO L138 BoogieDeclarations]: Found implementation of procedure create_urbs [2021-02-21 23:03:37,447 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_init_transfer [2021-02-21 23:03:37,447 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_set_default_mode [2021-02-21 23:03:37,448 INFO L138 BoogieDeclarations]: Found implementation of procedure wxh_to_mode [2021-02-21 23:03:37,448 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_get_mode [2021-02-21 23:03:37,448 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_chip_info [2021-02-21 23:03:37,448 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_register [2021-02-21 23:03:37,448 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_register [2021-02-21 23:03:37,448 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_fmt_vid_cap [2021-02-21 23:03:37,449 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_cap [2021-02-21 23:03:37,449 INFO L138 BoogieDeclarations]: Found implementation of procedure try_fmt_vid_cap [2021-02-21 23:03:37,449 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2021-02-21 23:03:37,449 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_cap [2021-02-21 23:03:37,449 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_framesizes [2021-02-21 23:03:37,449 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_frameintervals [2021-02-21 23:03:37,449 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_release [2021-02-21 23:03:37,450 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_open [2021-02-21 23:03:37,450 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-02-21 23:03:37,450 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querycap [2021-02-21 23:03:37,450 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_input [2021-02-21 23:03:37,450 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_input [2021-02-21 23:03:37,450 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_input [2021-02-21 23:03:37,451 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_reqbufs [2021-02-21 23:03:37,451 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querybuf [2021-02-21 23:03:37,451 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamon [2021-02-21 23:03:37,451 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamoff [2021-02-21 23:03:37,451 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_jpegcomp [2021-02-21 23:03:37,451 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_jpegcomp [2021-02-21 23:03:37,451 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_parm [2021-02-21 23:03:37,452 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_parm [2021-02-21 23:03:37,452 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mmap [2021-02-21 23:03:37,452 INFO L138 BoogieDeclarations]: Found implementation of procedure frame_ready_nolock [2021-02-21 23:03:37,452 INFO L138 BoogieDeclarations]: Found implementation of procedure frame_ready [2021-02-21 23:03:37,452 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_dqbuf [2021-02-21 23:03:37,452 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_qbuf [2021-02-21 23:03:37,452 INFO L138 BoogieDeclarations]: Found implementation of procedure read_alloc [2021-02-21 23:03:37,453 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_poll [2021-02-21 23:03:37,453 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_read [2021-02-21 23:03:37,453 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_dev_probe2 [2021-02-21 23:03:37,453 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_dev_probe [2021-02-21 23:03:37,453 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_disconnect [2021-02-21 23:03:37,453 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_suspend [2021-02-21 23:03:37,453 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_resume [2021-02-21 23:03:37,454 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_init [2021-02-21 23:03:37,454 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_exit [2021-02-21 23:03:37,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_v4l2_file_operations_3 [2021-02-21 23:03:37,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_vm_operations_struct_4 [2021-02-21 23:03:37,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_v4l2_ioctl_ops_2 [2021-02-21 23:03:37,454 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 23:03:37,454 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-02-21 23:03:37,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2021-02-21 23:03:37,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_3 [2021-02-21 23:03:37,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_4 [2021-02-21 23:03:37,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_5 [2021-02-21 23:03:37,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_6 [2021-02-21 23:03:37,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_7 [2021-02-21 23:03:37,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_8 [2021-02-21 23:03:37,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_9 [2021-02-21 23:03:37,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_10 [2021-02-21 23:03:37,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_11 [2021-02-21 23:03:37,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_12 [2021-02-21 23:03:37,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_13 [2021-02-21 23:03:37,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_14 [2021-02-21 23:03:37,456 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_expo_autogain [2021-02-21 23:03:37,457 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_coarse_grained_expo_autogain [2021-02-21 23:03:37,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2021-02-21 23:03:37,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2021-02-21 23:03:37,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2021-02-21 23:03:37,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2021-02-21 23:03:37,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2021-02-21 23:03:37,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2021-02-21 23:03:37,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2021-02-21 23:03:37,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2021-02-21 23:03:37,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2021-02-21 23:03:37,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2021-02-21 23:03:37,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2021-02-21 23:03:37,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2021-02-21 23:03:37,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2021-02-21 23:03:37,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2021-02-21 23:03:37,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2021-02-21 23:03:37,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2021-02-21 23:03:37,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-02-21 23:03:37,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-02-21 23:03:37,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-02-21 23:03:37,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __video_register_device [2021-02-21 23:03:37,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-02-21 23:03:37,460 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-02-21 23:03:37,460 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-02-21 23:03:37,460 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-02-21 23:03:37,460 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-02-21 23:03:37,460 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2021-02-21 23:03:37,461 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2021-02-21 23:03:37,461 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2021-02-21 23:03:37,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2021-02-21 23:03:37,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-02-21 23:03:37,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_1 [2021-02-21 23:03:37,461 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-02-21 23:03:37,461 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-02-21 23:03:37,461 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-02-21 23:03:37,462 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-02-21 23:03:37,462 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-02-21 23:03:37,462 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-02-21 23:03:37,462 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-02-21 23:03:37,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timeval [2021-02-21 23:03:37,462 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-02-21 23:03:37,462 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2021-02-21 23:03:37,463 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-02-21 23:03:37,463 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2021-02-21 23:03:37,463 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-02-21 23:03:37,463 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2021-02-21 23:03:37,463 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-02-21 23:03:37,463 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2021-02-21 23:03:37,463 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-02-21 23:03:37,463 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-02-21 23:03:37,464 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-02-21 23:03:37,464 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-02-21 23:03:37,464 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_g_ctrl [2021-02-21 23:03:37,464 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2021-02-21 23:03:37,464 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_setup [2021-02-21 23:03:37,464 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_poll [2021-02-21 23:03:37,464 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_s_ctrl [2021-02-21 23:03:37,465 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2021-02-21 23:03:37,465 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_disconnect [2021-02-21 23:03:37,465 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_put [2021-02-21 23:03:37,465 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_register [2021-02-21 23:03:37,465 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2021-02-21 23:03:37,465 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2021-02-21 23:03:37,465 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_open [2021-02-21 23:03:37,465 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_release [2021-02-21 23:03:37,466 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-02-21 23:03:37,466 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2021-02-21 23:03:37,466 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release_empty [2021-02-21 23:03:37,466 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2021-02-21 23:03:37,466 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2021-02-21 23:03:37,466 INFO L138 BoogieDeclarations]: Found implementation of procedure vm_insert_page [2021-02-21 23:03:37,466 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_32 [2021-02-21 23:03:37,467 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_to_page [2021-02-21 23:03:37,467 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2021-02-21 23:03:37,467 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-02-21 23:03:37,467 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-02-21 23:03:37,467 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-02-21 23:03:37,467 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-02-21 23:03:37,468 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 23:03:37,468 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 23:03:37,468 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-21 23:03:37,468 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-21 23:03:37,468 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 23:03:37,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 23:03:37,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-02-21 23:03:37,469 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-02-21 23:03:37,469 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-02-21 23:03:37,469 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-02-21 23:03:37,469 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2021-02-21 23:03:37,469 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-02-21 23:03:37,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 23:03:37,469 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-02-21 23:03:37,470 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-02-21 23:03:37,470 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-02-21 23:03:37,470 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2021-02-21 23:03:37,470 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-02-21 23:03:37,470 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2021-02-21 23:03:37,470 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-02-21 23:03:37,470 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-02-21 23:03:37,471 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-02-21 23:03:37,471 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-02-21 23:03:37,471 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-02-21 23:03:37,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 23:03:37,471 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2021-02-21 23:03:37,471 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timeval [2021-02-21 23:03:37,471 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-02-21 23:03:37,471 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-02-21 23:03:37,472 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-02-21 23:03:37,472 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-02-21 23:03:37,472 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-02-21 23:03:37,472 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2021-02-21 23:03:37,472 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-02-21 23:03:37,472 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-02-21 23:03:37,472 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-02-21 23:03:37,473 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-02-21 23:03:37,473 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_32 [2021-02-21 23:03:37,473 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-02-21 23:03:37,473 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-02-21 23:03:37,473 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-02-21 23:03:37,473 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2021-02-21 23:03:37,473 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2021-02-21 23:03:37,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-21 23:03:37,473 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-02-21 23:03:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-02-21 23:03:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-02-21 23:03:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-02-21 23:03:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2021-02-21 23:03:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-02-21 23:03:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_14 [2021-02-21 23:03:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_13 [2021-02-21 23:03:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-02-21 23:03:37,475 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-02-21 23:03:37,475 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2021-02-21 23:03:37,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_4 [2021-02-21 23:03:37,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_3 [2021-02-21 23:03:37,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_11 [2021-02-21 23:03:37,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_6 [2021-02-21 23:03:37,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_7 [2021-02-21 23:03:37,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_10 [2021-02-21 23:03:37,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2021-02-21 23:03:37,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_5 [2021-02-21 23:03:37,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_8 [2021-02-21 23:03:37,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_9 [2021-02-21 23:03:37,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_12 [2021-02-21 23:03:37,476 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-02-21 23:03:37,476 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-02-21 23:03:37,477 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-02-21 23:03:37,477 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2021-02-21 23:03:37,477 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-02-21 23:03:37,477 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-02-21 23:03:37,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2021-02-21 23:03:37,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2021-02-21 23:03:37,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2021-02-21 23:03:37,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2021-02-21 23:03:37,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2021-02-21 23:03:37,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2021-02-21 23:03:37,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2021-02-21 23:03:37,478 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-02-21 23:03:37,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-02-21 23:03:37,478 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-02-21 23:03:37,478 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-02-21 23:03:37,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-02-21 23:03:37,479 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-02-21 23:03:37,479 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-21 23:03:37,479 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-21 23:03:37,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-21 23:03:37,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2021-02-21 23:03:37,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2021-02-21 23:03:37,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2021-02-21 23:03:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-02-21 23:03:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-21 23:03:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-02-21 23:03:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-02-21 23:03:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2021-02-21 23:03:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-02-21 23:03:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-02-21 23:03:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2021-02-21 23:03:37,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_v4l2_file_operations_3 [2021-02-21 23:03:37,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_vm_operations_struct_4 [2021-02-21 23:03:37,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_v4l2_ioctl_ops_2 [2021-02-21 23:03:37,481 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_to_page [2021-02-21 23:03:37,481 INFO L130 BoogieDeclarations]: Found specification of procedure vm_insert_page [2021-02-21 23:03:37,481 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-02-21 23:03:37,481 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-02-21 23:03:37,482 INFO L130 BoogieDeclarations]: Found specification of procedure poll_requested_events [2021-02-21 23:03:37,482 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2021-02-21 23:03:37,482 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2021-02-21 23:03:37,482 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_setup [2021-02-21 23:03:37,482 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2021-02-21 23:03:37,482 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_poll [2021-02-21 23:03:37,482 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_open [2021-02-21 23:03:37,482 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_release [2021-02-21 23:03:37,483 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2021-02-21 23:03:37,483 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2021-02-21 23:03:37,483 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-02-21 23:03:37,483 INFO L130 BoogieDeclarations]: Found specification of procedure __video_register_device [2021-02-21 23:03:37,483 INFO L130 BoogieDeclarations]: Found specification of procedure video_register_device [2021-02-21 23:03:37,483 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2021-02-21 23:03:37,483 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release_empty [2021-02-21 23:03:37,483 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_disable_ioctl_locking [2021-02-21 23:03:37,484 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_disable_ioctl [2021-02-21 23:03:37,484 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2021-02-21 23:03:37,484 INFO L130 BoogieDeclarations]: Found specification of procedure video_set_drvdata [2021-02-21 23:03:37,484 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2021-02-21 23:03:37,484 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2021-02-21 23:03:37,484 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2021-02-21 23:03:37,484 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_put [2021-02-21 23:03:37,484 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_register [2021-02-21 23:03:37,484 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_disconnect [2021-02-21 23:03:37,485 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2021-02-21 23:03:37,485 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_dev_probe [2021-02-21 23:03:37,485 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_dev_probe2 [2021-02-21 23:03:37,485 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_disconnect [2021-02-21 23:03:37,485 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_frame_add [2021-02-21 23:03:37,485 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_suspend [2021-02-21 23:03:37,485 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_resume [2021-02-21 23:03:37,485 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2021-02-21 23:03:37,485 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2021-02-21 23:03:37,486 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2021-02-21 23:03:37,486 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2021-02-21 23:03:37,486 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2021-02-21 23:03:37,486 INFO L130 BoogieDeclarations]: Found specification of procedure PDEBUG_MODE [2021-02-21 23:03:37,486 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_vm_open [2021-02-21 23:03:37,486 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_vm_close [2021-02-21 23:03:37,486 INFO L130 BoogieDeclarations]: Found specification of procedure int_irq [2021-02-21 23:03:37,486 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-02-21 23:03:37,487 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_input_connect [2021-02-21 23:03:37,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-21 23:03:37,487 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_and_submit_int_urb [2021-02-21 23:03:37,487 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_input_create_urb [2021-02-21 23:03:37,487 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_input_destroy_urb [2021-02-21 23:03:37,487 INFO L130 BoogieDeclarations]: Found specification of procedure fill_frame [2021-02-21 23:03:37,487 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-02-21 23:03:37,487 INFO L130 BoogieDeclarations]: Found specification of procedure isoc_irq [2021-02-21 23:03:37,487 INFO L130 BoogieDeclarations]: Found specification of procedure bulk_irq [2021-02-21 23:03:37,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-02-21 23:03:37,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 23:03:37,488 INFO L130 BoogieDeclarations]: Found specification of procedure frame_alloc [2021-02-21 23:03:37,488 INFO L130 BoogieDeclarations]: Found specification of procedure frame_free [2021-02-21 23:03:37,488 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_urbs [2021-02-21 23:03:37,488 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_set_alt0 [2021-02-21 23:03:37,488 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_stream_off [2021-02-21 23:03:37,488 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-02-21 23:03:37,488 INFO L130 BoogieDeclarations]: Found specification of procedure alt_xfer [2021-02-21 23:03:37,489 INFO L130 BoogieDeclarations]: Found specification of procedure which_bandwidth [2021-02-21 23:03:37,489 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-02-21 23:03:37,489 INFO L130 BoogieDeclarations]: Found specification of procedure build_isoc_ep_tb [2021-02-21 23:03:37,489 INFO L130 BoogieDeclarations]: Found specification of procedure create_urbs [2021-02-21 23:03:37,489 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_init_transfer [2021-02-21 23:03:37,489 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-02-21 23:03:37,489 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_set_default_mode [2021-02-21 23:03:37,489 INFO L130 BoogieDeclarations]: Found specification of procedure wxh_to_mode [2021-02-21 23:03:37,489 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_get_mode [2021-02-21 23:03:37,490 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_chip_info [2021-02-21 23:03:37,490 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-02-21 23:03:37,490 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_register [2021-02-21 23:03:37,490 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_register [2021-02-21 23:03:37,490 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_fmt_vid_cap [2021-02-21 23:03:37,490 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_cap [2021-02-21 23:03:37,490 INFO L130 BoogieDeclarations]: Found specification of procedure try_fmt_vid_cap [2021-02-21 23:03:37,490 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2021-02-21 23:03:37,491 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_cap [2021-02-21 23:03:37,491 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_framesizes [2021-02-21 23:03:37,491 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_frameintervals [2021-02-21 23:03:37,491 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_release [2021-02-21 23:03:37,491 INFO L130 BoogieDeclarations]: Found specification of procedure dev_open [2021-02-21 23:03:37,491 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-02-21 23:03:37,491 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querycap [2021-02-21 23:03:37,492 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_input [2021-02-21 23:03:37,492 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_input [2021-02-21 23:03:37,492 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_input [2021-02-21 23:03:37,492 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_reqbufs [2021-02-21 23:03:37,492 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querybuf [2021-02-21 23:03:37,492 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamon [2021-02-21 23:03:37,492 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamoff [2021-02-21 23:03:37,493 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_jpegcomp [2021-02-21 23:03:37,493 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_jpegcomp [2021-02-21 23:03:37,493 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_parm [2021-02-21 23:03:37,493 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_parm [2021-02-21 23:03:37,493 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mmap [2021-02-21 23:03:37,493 INFO L130 BoogieDeclarations]: Found specification of procedure frame_ready_nolock [2021-02-21 23:03:37,493 INFO L130 BoogieDeclarations]: Found specification of procedure frame_ready [2021-02-21 23:03:37,493 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_dqbuf [2021-02-21 23:03:37,494 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_qbuf [2021-02-21 23:03:37,494 INFO L130 BoogieDeclarations]: Found specification of procedure read_alloc [2021-02-21 23:03:37,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-02-21 23:03:37,494 INFO L130 BoogieDeclarations]: Found specification of procedure dev_poll [2021-02-21 23:03:37,494 INFO L130 BoogieDeclarations]: Found specification of procedure dev_read [2021-02-21 23:03:37,494 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_init [2021-02-21 23:03:37,494 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_exit [2021-02-21 23:03:37,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_1 [2021-02-21 23:03:37,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-02-21 23:03:37,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-02-21 23:03:37,495 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 23:03:37,495 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_g_ctrl [2021-02-21 23:03:37,495 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_s_ctrl [2021-02-21 23:03:37,495 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_expo_autogain [2021-02-21 23:03:37,495 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_coarse_grained_expo_autogain [2021-02-21 23:03:37,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2021-02-21 23:03:37,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2021-02-21 23:03:37,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2021-02-21 23:03:37,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2021-02-21 23:03:37,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2021-02-21 23:03:37,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2021-02-21 23:03:37,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2021-02-21 23:03:37,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2021-02-21 23:03:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2021-02-21 23:03:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-02-21 23:03:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2021-02-21 23:03:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2021-02-21 23:03:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-21 23:03:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 23:03:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 23:03:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-02-21 23:03:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 23:03:37,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-02-21 23:03:37,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-02-21 23:03:37,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-02-21 23:03:37,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-02-21 23:03:39,208 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-02-21 23:03:41,279 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2021-02-21 23:03:46,550 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 23:03:46,550 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-21 23:03:46,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 11:03:46 BoogieIcfgContainer [2021-02-21 23:03:46,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 23:03:46,561 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 23:03:46,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 23:03:46,565 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 23:03:46,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 11:03:32" (1/3) ... [2021-02-21 23:03:46,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4240c392 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 11:03:46, skipping insertion in model container [2021-02-21 23:03:46,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 11:03:36" (2/3) ... [2021-02-21 23:03:46,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4240c392 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 11:03:46, skipping insertion in model container [2021-02-21 23:03:46,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 11:03:46" (3/3) ... [2021-02-21 23:03:46,568 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--gspca--gspca_main.ko-entry_point.cil.out.i [2021-02-21 23:03:46,575 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-21 23:03:46,583 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 23:03:46,602 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-21 23:03:46,629 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 23:03:46,630 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 23:03:46,630 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-21 23:03:46,630 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 23:03:46,630 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 23:03:46,630 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 23:03:46,631 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 23:03:46,631 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 23:03:46,734 INFO L276 IsEmpty]: Start isEmpty. Operand 7528 states. [2021-02-21 23:03:46,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1335 [2021-02-21 23:03:46,886 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 23:03:46,889 INFO L422 BasicCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 23:03:46,889 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 23:03:46,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 23:03:46,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1597635351, now seen corresponding path program 1 times [2021-02-21 23:03:46,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 23:03:46,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1746671196] [2021-02-21 23:03:46,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 23:03:47,106 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 23:03:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:48,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:48,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:48,359 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:48,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:50,928 WARN L202 SmtUtils]: Spent 2.53 s on a formula simplification that was a NOOP. DAG size: 682 [2021-02-21 23:03:50,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 23:03:50,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:51,231 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:51,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:51,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2021-02-21 23:03:51,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:51,520 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:51,521 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:51,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 694 [2021-02-21 23:03:51,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:51,536 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:51,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:51,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2021-02-21 23:03:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:51,551 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:51,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:51,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 724 [2021-02-21 23:03:51,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:51,567 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:51,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:51,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 746 [2021-02-21 23:03:51,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:51,585 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:51,586 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:51,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2021-02-21 23:03:51,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:51,603 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:51,603 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:51,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2021-02-21 23:03:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:51,621 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:51,622 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:51,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2021-02-21 23:03:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:51,639 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:51,640 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:51,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 806 [2021-02-21 23:03:51,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:51,657 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:51,658 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:51,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2021-02-21 23:03:51,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:51,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:51,675 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:51,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 836 [2021-02-21 23:03:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:51,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:51,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:51,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2021-02-21 23:03:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:51,710 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:51,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:51,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2021-02-21 23:03:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:51,727 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:51,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:51,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 884 [2021-02-21 23:03:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:51,745 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:51,746 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:51,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2021-02-21 23:03:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:51,761 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:51,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:51,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 914 [2021-02-21 23:03:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:51,777 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:51,777 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:51,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 929 [2021-02-21 23:03:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:51,793 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:51,793 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:51,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 944 [2021-02-21 23:03:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:51,808 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:51,808 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:51,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 959 [2021-02-21 23:03:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:51,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:51,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:51,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2021-02-21 23:03:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:51,838 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:51,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:51,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 989 [2021-02-21 23:03:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:51,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:51,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:51,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2021-02-21 23:03:51,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:51,869 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:51,869 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:51,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1019 [2021-02-21 23:03:51,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:51,884 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:51,885 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:51,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1034 [2021-02-21 23:03:51,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:51,900 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:51,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:51,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1049 [2021-02-21 23:03:51,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:51,915 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:51,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:51,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1064 [2021-02-21 23:03:51,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:51,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:51,932 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:51,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1079 [2021-02-21 23:03:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:51,946 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:51,947 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:51,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1094 [2021-02-21 23:03:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:51,962 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:51,963 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:51,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1109 [2021-02-21 23:03:51,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:51,977 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:51,978 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:51,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1124 [2021-02-21 23:03:51,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:51,993 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:51,993 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:51,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1139 [2021-02-21 23:03:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:52,008 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:52,009 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:52,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1154 [2021-02-21 23:03:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:52,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:52,024 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:52,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1169 [2021-02-21 23:03:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:52,038 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:52,039 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:52,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1184 [2021-02-21 23:03:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:52,054 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:52,055 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:52,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1199 [2021-02-21 23:03:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:52,070 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:52,071 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:52,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1214 [2021-02-21 23:03:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:52,086 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:52,087 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:52,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1229 [2021-02-21 23:03:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:52,102 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:52,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:52,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1244 [2021-02-21 23:03:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:52,119 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:52,120 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:52,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1259 [2021-02-21 23:03:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:52,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:52,136 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:52,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1274 [2021-02-21 23:03:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:52,152 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:52,152 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:52,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1289 [2021-02-21 23:03:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:52,162 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:52,163 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:52,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1292 [2021-02-21 23:03:52,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:52,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:52,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 23:03:52,227 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:52,228 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 23:03:52,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1298 [2021-02-21 23:03:52,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:52,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:52,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:52,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1326 [2021-02-21 23:03:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:03:52,268 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:03:52,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:03:53,747 INFO L134 CoverageAnalysis]: Checked inductivity of 8584 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 8581 trivial. 0 not checked. [2021-02-21 23:03:53,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1746671196] [2021-02-21 23:03:53,751 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 23:03:53,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-21 23:03:53,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207421522] [2021-02-21 23:03:53,759 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-21 23:03:53,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 23:03:53,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-21 23:03:53,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-21 23:03:53,776 INFO L87 Difference]: Start difference. First operand 7528 states. Second operand 7 states. [2021-02-21 23:03:56,576 WARN L202 SmtUtils]: Spent 2.76 s on a formula simplification that was a NOOP. DAG size: 691 [2021-02-21 23:04:11,591 WARN L202 SmtUtils]: Spent 2.82 s on a formula simplification that was a NOOP. DAG size: 694 [2021-02-21 23:04:14,433 WARN L202 SmtUtils]: Spent 2.80 s on a formula simplification that was a NOOP. DAG size: 696 [2021-02-21 23:04:17,232 WARN L202 SmtUtils]: Spent 2.73 s on a formula simplification that was a NOOP. DAG size: 685 [2021-02-21 23:05:37,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 23:05:37,639 INFO L93 Difference]: Finished difference Result 11279 states and 13456 transitions. [2021-02-21 23:05:37,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-21 23:05:37,641 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1334 [2021-02-21 23:05:37,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 23:05:37,726 INFO L225 Difference]: With dead ends: 11279 [2021-02-21 23:05:37,726 INFO L226 Difference]: Without dead ends: 7039 [2021-02-21 23:05:37,762 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 13.8s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-02-21 23:05:37,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7039 states. [2021-02-21 23:05:40,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7039 to 4872. [2021-02-21 23:05:40,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4872 states. [2021-02-21 23:05:41,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4872 states to 4872 states and 5476 transitions. [2021-02-21 23:05:41,038 INFO L78 Accepts]: Start accepts. Automaton has 4872 states and 5476 transitions. Word has length 1334 [2021-02-21 23:05:41,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 23:05:41,045 INFO L480 AbstractCegarLoop]: Abstraction has 4872 states and 5476 transitions. [2021-02-21 23:05:41,045 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-21 23:05:41,045 INFO L276 IsEmpty]: Start isEmpty. Operand 4872 states and 5476 transitions. [2021-02-21 23:05:41,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1343 [2021-02-21 23:05:41,069 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 23:05:41,071 INFO L422 BasicCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 23:05:41,071 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-21 23:05:41,071 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 23:05:41,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 23:05:41,073 INFO L82 PathProgramCache]: Analyzing trace with hash 2140900717, now seen corresponding path program 1 times [2021-02-21 23:05:41,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 23:05:41,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [585547406] [2021-02-21 23:05:41,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 23:05:41,102 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 23:05:41,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:41,879 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:41,880 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:41,881 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:41,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 23:05:41,888 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:41,888 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:44,886 WARN L202 SmtUtils]: Spent 2.96 s on a formula simplification that was a NOOP. DAG size: 682 [2021-02-21 23:05:44,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 23:05:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:45,153 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:45,155 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:45,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2021-02-21 23:05:45,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:45,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:45,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:45,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 694 [2021-02-21 23:05:45,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:45,424 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:45,425 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:45,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2021-02-21 23:05:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:45,460 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:45,463 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:45,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 724 [2021-02-21 23:05:45,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:45,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:45,484 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:45,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 746 [2021-02-21 23:05:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:45,501 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:45,502 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:45,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2021-02-21 23:05:45,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:45,517 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:45,518 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:45,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2021-02-21 23:05:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:45,546 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:45,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:45,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2021-02-21 23:05:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:45,563 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:45,564 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:45,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 806 [2021-02-21 23:05:45,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:45,580 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:45,581 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:45,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2021-02-21 23:05:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:45,597 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:45,597 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:45,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 836 [2021-02-21 23:05:45,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:45,618 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:45,618 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:45,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2021-02-21 23:05:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:45,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:45,636 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:45,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2021-02-21 23:05:45,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:45,651 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:45,651 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:45,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 884 [2021-02-21 23:05:45,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:45,668 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:45,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:45,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2021-02-21 23:05:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:45,685 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:45,686 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:45,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 914 [2021-02-21 23:05:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:45,703 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:45,704 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:45,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 929 [2021-02-21 23:05:45,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:45,722 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:45,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:45,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 944 [2021-02-21 23:05:45,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:45,742 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:45,743 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:45,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 959 [2021-02-21 23:05:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:45,760 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:45,765 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:45,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2021-02-21 23:05:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:45,782 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:45,783 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:45,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 989 [2021-02-21 23:05:45,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:45,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:45,804 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:45,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2021-02-21 23:05:45,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:45,824 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:45,825 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:45,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1019 [2021-02-21 23:05:45,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:45,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:45,842 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:45,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1034 [2021-02-21 23:05:45,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:45,858 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:45,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:45,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1049 [2021-02-21 23:05:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:45,876 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:45,877 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:45,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1064 [2021-02-21 23:05:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:45,894 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:45,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:45,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1079 [2021-02-21 23:05:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:45,911 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:45,914 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:45,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1094 [2021-02-21 23:05:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:45,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:45,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:45,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1109 [2021-02-21 23:05:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:45,948 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:45,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:45,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1124 [2021-02-21 23:05:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:45,965 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:45,967 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:45,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1139 [2021-02-21 23:05:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:45,984 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:45,985 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:45,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1154 [2021-02-21 23:05:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:46,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:46,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:46,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1169 [2021-02-21 23:05:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:46,020 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:46,021 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:46,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1184 [2021-02-21 23:05:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:46,038 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:46,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:46,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1199 [2021-02-21 23:05:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:46,058 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:46,059 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:46,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1214 [2021-02-21 23:05:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:46,079 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:46,080 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:46,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1229 [2021-02-21 23:05:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:46,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:46,097 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:46,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1244 [2021-02-21 23:05:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:46,116 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:46,117 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:46,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1259 [2021-02-21 23:05:46,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:46,137 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:46,138 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:46,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1274 [2021-02-21 23:05:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:46,155 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:46,156 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:46,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1289 [2021-02-21 23:05:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:46,167 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:46,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:46,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1292 [2021-02-21 23:05:46,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:46,218 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:46,218 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:46,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1302 [2021-02-21 23:05:46,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:46,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:46,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:46,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1334 [2021-02-21 23:05:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:05:46,251 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:05:46,252 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:05:47,754 INFO L134 CoverageAnalysis]: Checked inductivity of 8588 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8588 trivial. 0 not checked. [2021-02-21 23:05:47,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [585547406] [2021-02-21 23:05:47,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 23:05:47,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-21 23:05:47,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041384893] [2021-02-21 23:05:47,758 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-21 23:05:47,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 23:05:47,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-21 23:05:47,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-21 23:05:47,759 INFO L87 Difference]: Start difference. First operand 4872 states and 5476 transitions. Second operand 6 states. [2021-02-21 23:05:50,663 WARN L202 SmtUtils]: Spent 2.89 s on a formula simplification that was a NOOP. DAG size: 691 [2021-02-21 23:06:05,200 WARN L202 SmtUtils]: Spent 3.01 s on a formula simplification that was a NOOP. DAG size: 693 [2021-02-21 23:06:08,432 WARN L202 SmtUtils]: Spent 2.83 s on a formula simplification that was a NOOP. DAG size: 684 [2021-02-21 23:08:13,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 23:08:13,836 INFO L93 Difference]: Finished difference Result 16911 states and 19845 transitions. [2021-02-21 23:08:13,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-21 23:08:13,843 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1342 [2021-02-21 23:08:13,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 23:08:13,955 INFO L225 Difference]: With dead ends: 16911 [2021-02-21 23:08:13,955 INFO L226 Difference]: Without dead ends: 12901 [2021-02-21 23:08:13,974 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-02-21 23:08:13,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12901 states. [2021-02-21 23:08:20,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12901 to 8781. [2021-02-21 23:08:20,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8781 states. [2021-02-21 23:08:20,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8781 states to 8781 states and 9931 transitions. [2021-02-21 23:08:20,899 INFO L78 Accepts]: Start accepts. Automaton has 8781 states and 9931 transitions. Word has length 1342 [2021-02-21 23:08:20,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 23:08:20,902 INFO L480 AbstractCegarLoop]: Abstraction has 8781 states and 9931 transitions. [2021-02-21 23:08:20,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-21 23:08:20,902 INFO L276 IsEmpty]: Start isEmpty. Operand 8781 states and 9931 transitions. [2021-02-21 23:08:20,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1352 [2021-02-21 23:08:20,922 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 23:08:20,923 INFO L422 BasicCegarLoop]: trace histogram [40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 23:08:20,923 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-21 23:08:20,923 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 23:08:20,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 23:08:20,924 INFO L82 PathProgramCache]: Analyzing trace with hash 98268533, now seen corresponding path program 1 times [2021-02-21 23:08:20,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 23:08:20,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [84785119] [2021-02-21 23:08:20,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 23:08:20,946 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 23:08:21,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:21,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:21,559 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:21,560 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:21,560 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 23:08:21,564 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:21,565 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 23:08:21,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:21,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:24,430 WARN L202 SmtUtils]: Spent 2.82 s on a formula simplification that was a NOOP. DAG size: 682 [2021-02-21 23:08:24,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 23:08:24,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:24,653 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:24,654 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:24,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2021-02-21 23:08:24,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:24,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:24,862 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:24,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 694 [2021-02-21 23:08:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:24,876 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:24,876 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:24,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2021-02-21 23:08:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:24,889 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:24,889 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:24,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 724 [2021-02-21 23:08:24,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:24,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:24,902 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:24,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 746 [2021-02-21 23:08:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:24,914 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:24,915 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:24,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2021-02-21 23:08:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:24,928 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:24,928 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:24,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2021-02-21 23:08:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:24,941 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:24,942 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:24,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2021-02-21 23:08:24,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:24,954 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:24,955 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:24,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 806 [2021-02-21 23:08:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:24,971 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:24,972 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:24,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2021-02-21 23:08:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:24,986 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:24,987 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:24,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 836 [2021-02-21 23:08:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:25,000 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:25,001 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:25,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2021-02-21 23:08:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:25,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:25,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:25,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2021-02-21 23:08:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:25,033 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:25,034 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:25,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 884 [2021-02-21 23:08:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:25,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:25,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:25,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2021-02-21 23:08:25,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:25,059 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:25,067 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:25,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 914 [2021-02-21 23:08:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:25,080 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:25,080 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:25,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 929 [2021-02-21 23:08:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:25,092 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:25,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:25,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 944 [2021-02-21 23:08:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:25,106 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:25,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:25,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 959 [2021-02-21 23:08:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:25,122 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:25,123 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:25,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2021-02-21 23:08:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:25,137 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:25,138 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:25,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 989 [2021-02-21 23:08:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:25,150 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:25,151 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:25,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2021-02-21 23:08:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:25,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:25,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:25,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1019 [2021-02-21 23:08:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:25,274 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:25,275 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:25,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1034 [2021-02-21 23:08:25,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:25,291 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:25,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:25,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1049 [2021-02-21 23:08:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:25,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:25,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:25,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1064 [2021-02-21 23:08:25,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:25,318 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:25,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:25,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1079 [2021-02-21 23:08:25,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:25,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:25,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:25,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1094 [2021-02-21 23:08:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:25,350 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:25,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:25,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1109 [2021-02-21 23:08:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:25,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:25,362 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:25,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1124 [2021-02-21 23:08:25,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:25,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:25,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:25,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1139 [2021-02-21 23:08:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:25,386 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:25,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:25,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1154 [2021-02-21 23:08:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:25,398 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:25,399 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:25,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1169 [2021-02-21 23:08:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:25,411 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:25,412 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:25,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1184 [2021-02-21 23:08:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:25,436 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:25,438 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:25,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1199 [2021-02-21 23:08:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:25,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:25,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:25,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1214 [2021-02-21 23:08:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:25,462 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:25,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:25,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1229 [2021-02-21 23:08:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:25,477 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:25,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:25,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1244 [2021-02-21 23:08:25,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:25,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:25,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:25,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1259 [2021-02-21 23:08:25,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:25,501 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:25,501 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:25,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1274 [2021-02-21 23:08:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:25,517 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:25,517 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:25,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1289 [2021-02-21 23:08:25,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:25,525 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:25,526 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:25,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1292 [2021-02-21 23:08:25,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:25,558 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:25,559 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:25,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1302 [2021-02-21 23:08:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:25,570 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:25,571 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:25,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1336 [2021-02-21 23:08:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:08:25,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:25,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:08:25,595 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:08:25,596 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 23:08:26,909 INFO L134 CoverageAnalysis]: Checked inductivity of 8588 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8588 trivial. 0 not checked. [2021-02-21 23:08:26,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [84785119] [2021-02-21 23:08:26,910 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 23:08:26,910 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-21 23:08:26,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466506988] [2021-02-21 23:08:26,912 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-21 23:08:26,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 23:08:26,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-21 23:08:26,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-02-21 23:08:26,913 INFO L87 Difference]: Start difference. First operand 8781 states and 9931 transitions. Second operand 8 states. [2021-02-21 23:08:29,890 WARN L202 SmtUtils]: Spent 2.94 s on a formula simplification that was a NOOP. DAG size: 691 [2021-02-21 23:08:38,273 WARN L202 SmtUtils]: Spent 2.96 s on a formula simplification that was a NOOP. DAG size: 693 [2021-02-21 23:08:42,217 WARN L202 SmtUtils]: Spent 2.96 s on a formula simplification that was a NOOP. DAG size: 684 [2021-02-21 23:08:51,867 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification that was a NOOP. DAG size: 696 [2021-02-21 23:10:20,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 23:10:20,573 INFO L93 Difference]: Finished difference Result 20817 states and 24293 transitions. [2021-02-21 23:10:20,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-21 23:10:20,574 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1351 [2021-02-21 23:10:20,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 23:10:20,655 INFO L225 Difference]: With dead ends: 20817 [2021-02-21 23:10:20,655 INFO L226 Difference]: Without dead ends: 12898 [2021-02-21 23:10:20,691 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 14.9s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2021-02-21 23:10:20,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12898 states. [2021-02-21 23:10:28,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12898 to 8779. [2021-02-21 23:10:28,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8779 states. [2021-02-21 23:10:28,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8779 states to 8779 states and 9926 transitions. [2021-02-21 23:10:28,482 INFO L78 Accepts]: Start accepts. Automaton has 8779 states and 9926 transitions. Word has length 1351 [2021-02-21 23:10:28,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 23:10:28,484 INFO L480 AbstractCegarLoop]: Abstraction has 8779 states and 9926 transitions. [2021-02-21 23:10:28,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-21 23:10:28,484 INFO L276 IsEmpty]: Start isEmpty. Operand 8779 states and 9926 transitions. [2021-02-21 23:10:28,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1513 [2021-02-21 23:10:28,519 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 23:10:28,521 INFO L422 BasicCegarLoop]: trace histogram [48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 23:10:28,521 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-21 23:10:28,521 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 23:10:28,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 23:10:28,522 INFO L82 PathProgramCache]: Analyzing trace with hash 892655714, now seen corresponding path program 1 times [2021-02-21 23:10:28,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 23:10:28,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [562886131] [2021-02-21 23:10:28,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 23:10:28,542 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 23:10:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:29,286 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:29,287 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:29,291 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:29,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:32,137 WARN L202 SmtUtils]: Spent 2.83 s on a formula simplification that was a NOOP. DAG size: 682 [2021-02-21 23:10:32,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 23:10:32,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:32,525 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:32,526 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:32,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2021-02-21 23:10:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:32,753 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:32,753 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:32,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 694 [2021-02-21 23:10:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:32,765 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:32,765 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:32,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2021-02-21 23:10:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:32,776 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:32,777 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:32,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 724 [2021-02-21 23:10:32,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:32,787 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:32,788 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:32,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 746 [2021-02-21 23:10:32,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:32,799 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:32,799 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:32,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2021-02-21 23:10:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:32,810 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:32,810 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:32,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2021-02-21 23:10:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:32,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:32,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:32,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2021-02-21 23:10:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:32,834 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:32,834 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:32,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 806 [2021-02-21 23:10:32,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:32,845 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:32,846 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:32,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2021-02-21 23:10:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:32,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:32,860 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:32,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 836 [2021-02-21 23:10:32,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:32,870 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:32,871 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:32,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2021-02-21 23:10:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:32,883 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:32,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:32,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2021-02-21 23:10:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:32,894 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:32,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:32,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 884 [2021-02-21 23:10:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:32,905 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:32,906 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:32,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2021-02-21 23:10:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:32,918 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:32,918 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:32,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 914 [2021-02-21 23:10:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:32,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:32,929 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:32,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 929 [2021-02-21 23:10:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:32,939 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:32,940 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:32,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 944 [2021-02-21 23:10:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:32,950 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:32,951 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:32,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 959 [2021-02-21 23:10:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:32,962 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:32,963 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:32,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2021-02-21 23:10:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:32,975 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:32,976 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:32,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 989 [2021-02-21 23:10:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:32,986 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:32,987 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:32,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2021-02-21 23:10:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:32,997 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:32,998 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:32,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1019 [2021-02-21 23:10:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:33,009 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:33,009 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:33,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1034 [2021-02-21 23:10:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:33,020 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:33,021 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:33,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1049 [2021-02-21 23:10:33,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:33,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:33,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:33,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1064 [2021-02-21 23:10:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:33,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:33,044 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:33,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1079 [2021-02-21 23:10:33,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:33,055 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:33,055 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:33,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1094 [2021-02-21 23:10:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:33,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:33,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:33,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1109 [2021-02-21 23:10:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:33,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:33,079 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:33,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1124 [2021-02-21 23:10:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:33,090 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:33,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:33,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1139 [2021-02-21 23:10:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:33,103 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:33,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:33,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1154 [2021-02-21 23:10:33,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:33,115 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:33,120 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:33,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1169 [2021-02-21 23:10:33,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:33,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:33,132 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:33,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1184 [2021-02-21 23:10:33,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:33,145 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:33,145 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:33,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1199 [2021-02-21 23:10:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:33,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:33,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:33,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1214 [2021-02-21 23:10:33,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:33,174 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:33,175 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:33,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1229 [2021-02-21 23:10:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:33,187 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:33,188 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:33,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1244 [2021-02-21 23:10:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:33,198 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:33,199 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:33,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1259 [2021-02-21 23:10:33,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:33,209 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:33,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:33,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1274 [2021-02-21 23:10:33,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:33,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:33,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:33,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1289 [2021-02-21 23:10:33,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:33,230 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:33,230 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:33,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1292 [2021-02-21 23:10:33,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:33,270 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:33,270 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 23:10:33,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:33,289 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 23:10:33,307 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:33,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 23:10:33,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1302 [2021-02-21 23:10:33,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:33,338 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:33,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:33,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1336 [2021-02-21 23:10:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:33,348 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:33,348 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:33,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1347 [2021-02-21 23:10:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:33,431 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:33,431 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:33,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 23:10:33,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:33,445 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:33,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:33,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-02-21 23:10:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:33,457 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:33,458 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:33,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-21 23:10:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:33,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:33,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:33,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-21 23:10:33,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:33,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:33,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:33,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-02-21 23:10:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:33,493 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:33,494 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:33,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-02-21 23:10:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:33,505 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:33,506 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:33,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1447 [2021-02-21 23:10:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:33,562 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:33,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:33,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 23:10:33,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:33,574 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:33,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:33,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1468 [2021-02-21 23:10:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:33,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:33,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:33,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 23:10:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:33,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:33,638 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:33,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1504 [2021-02-21 23:10:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:10:33,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:10:33,646 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:10:35,410 INFO L134 CoverageAnalysis]: Checked inductivity of 12416 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12409 trivial. 0 not checked. [2021-02-21 23:10:35,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [562886131] [2021-02-21 23:10:35,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 23:10:35,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-21 23:10:35,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438139113] [2021-02-21 23:10:35,413 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-21 23:10:35,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 23:10:35,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-21 23:10:35,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-02-21 23:10:35,413 INFO L87 Difference]: Start difference. First operand 8779 states and 9926 transitions. Second operand 11 states. [2021-02-21 23:10:38,322 WARN L202 SmtUtils]: Spent 2.88 s on a formula simplification that was a NOOP. DAG size: 691 [2021-02-21 23:10:55,075 WARN L202 SmtUtils]: Spent 2.96 s on a formula simplification that was a NOOP. DAG size: 694 [2021-02-21 23:10:58,051 WARN L202 SmtUtils]: Spent 2.92 s on a formula simplification that was a NOOP. DAG size: 685 [2021-02-21 23:11:00,983 WARN L202 SmtUtils]: Spent 2.86 s on a formula simplification that was a NOOP. DAG size: 685 [2021-02-21 23:11:03,943 WARN L202 SmtUtils]: Spent 2.92 s on a formula simplification that was a NOOP. DAG size: 687 [2021-02-21 23:12:42,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 23:12:42,972 INFO L93 Difference]: Finished difference Result 20840 states and 24365 transitions. [2021-02-21 23:12:42,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-21 23:12:42,972 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1512 [2021-02-21 23:12:42,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 23:12:43,051 INFO L225 Difference]: With dead ends: 20840 [2021-02-21 23:12:43,051 INFO L226 Difference]: Without dead ends: 12910 [2021-02-21 23:12:43,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 17.9s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2021-02-21 23:12:43,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12910 states. [2021-02-21 23:12:51,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12910 to 8787. [2021-02-21 23:12:51,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8787 states. [2021-02-21 23:12:51,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8787 states to 8787 states and 9934 transitions. [2021-02-21 23:12:51,339 INFO L78 Accepts]: Start accepts. Automaton has 8787 states and 9934 transitions. Word has length 1512 [2021-02-21 23:12:51,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 23:12:51,340 INFO L480 AbstractCegarLoop]: Abstraction has 8787 states and 9934 transitions. [2021-02-21 23:12:51,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-21 23:12:51,340 INFO L276 IsEmpty]: Start isEmpty. Operand 8787 states and 9934 transitions. [2021-02-21 23:12:51,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1521 [2021-02-21 23:12:51,374 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 23:12:51,375 INFO L422 BasicCegarLoop]: trace histogram [48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 23:12:51,376 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-21 23:12:51,376 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 23:12:51,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 23:12:51,377 INFO L82 PathProgramCache]: Analyzing trace with hash -2033223706, now seen corresponding path program 2 times [2021-02-21 23:12:51,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 23:12:51,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [280552209] [2021-02-21 23:12:51,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 23:12:51,399 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 23:12:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:51,943 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:51,944 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:51,944 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:51,945 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:54,970 WARN L202 SmtUtils]: Spent 3.00 s on a formula simplification that was a NOOP. DAG size: 682 [2021-02-21 23:12:54,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 23:12:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,173 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2021-02-21 23:12:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,412 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 694 [2021-02-21 23:12:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,424 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,425 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2021-02-21 23:12:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,436 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,437 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 724 [2021-02-21 23:12:55,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,448 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 746 [2021-02-21 23:12:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,459 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,460 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2021-02-21 23:12:55,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,472 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,473 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2021-02-21 23:12:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,484 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2021-02-21 23:12:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,496 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 806 [2021-02-21 23:12:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,508 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,509 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2021-02-21 23:12:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 836 [2021-02-21 23:12:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,536 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2021-02-21 23:12:55,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,548 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2021-02-21 23:12:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,560 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,561 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 884 [2021-02-21 23:12:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,574 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,574 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2021-02-21 23:12:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,586 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,587 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 914 [2021-02-21 23:12:55,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,598 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,599 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 929 [2021-02-21 23:12:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,610 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,611 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 944 [2021-02-21 23:12:55,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 959 [2021-02-21 23:12:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,633 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2021-02-21 23:12:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,645 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 989 [2021-02-21 23:12:55,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,658 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2021-02-21 23:12:55,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,671 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,671 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1019 [2021-02-21 23:12:55,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,685 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,685 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1034 [2021-02-21 23:12:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,697 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1049 [2021-02-21 23:12:55,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,710 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,710 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1064 [2021-02-21 23:12:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,722 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1079 [2021-02-21 23:12:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,734 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,735 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1094 [2021-02-21 23:12:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,746 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,747 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1109 [2021-02-21 23:12:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,758 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,759 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1124 [2021-02-21 23:12:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1139 [2021-02-21 23:12:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,783 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,783 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1154 [2021-02-21 23:12:55,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,796 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,796 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1169 [2021-02-21 23:12:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,809 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,809 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1184 [2021-02-21 23:12:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,821 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1199 [2021-02-21 23:12:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,834 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1214 [2021-02-21 23:12:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,846 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,846 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1229 [2021-02-21 23:12:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,858 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1244 [2021-02-21 23:12:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,871 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,871 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1259 [2021-02-21 23:12:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,883 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,883 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1274 [2021-02-21 23:12:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,894 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1289 [2021-02-21 23:12:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,903 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,904 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:55,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1292 [2021-02-21 23:12:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:55,950 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,950 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 23:12:55,967 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,968 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 23:12:55,986 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:55,987 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 23:12:56,006 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:56,007 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 23:12:56,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1306 [2021-02-21 23:12:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:56,039 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:56,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:56,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1344 [2021-02-21 23:12:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:56,048 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:56,048 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:56,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1355 [2021-02-21 23:12:56,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:56,124 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:56,125 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:56,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 23:12:56,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:56,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:56,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:56,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-02-21 23:12:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:56,269 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:56,269 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:56,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-21 23:12:56,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:56,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:56,280 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:56,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-21 23:12:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:56,290 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:56,291 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:56,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-02-21 23:12:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:56,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:56,302 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:56,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-02-21 23:12:56,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:56,312 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:56,313 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:56,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1455 [2021-02-21 23:12:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:56,366 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:56,367 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:56,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 23:12:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:56,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:56,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:56,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1476 [2021-02-21 23:12:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:56,434 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:56,434 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:56,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 23:12:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:56,444 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:56,445 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:56,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1512 [2021-02-21 23:12:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:12:56,452 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:12:56,453 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:12:57,967 INFO L134 CoverageAnalysis]: Checked inductivity of 12420 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 12409 trivial. 0 not checked. [2021-02-21 23:12:57,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [280552209] [2021-02-21 23:12:57,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 23:12:57,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-02-21 23:12:57,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437098654] [2021-02-21 23:12:57,969 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-21 23:12:57,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 23:12:57,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-21 23:12:57,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-02-21 23:12:57,970 INFO L87 Difference]: Start difference. First operand 8787 states and 9934 transitions. Second operand 12 states. [2021-02-21 23:13:00,996 WARN L202 SmtUtils]: Spent 2.99 s on a formula simplification that was a NOOP. DAG size: 691 [2021-02-21 23:13:17,640 WARN L202 SmtUtils]: Spent 3.02 s on a formula simplification that was a NOOP. DAG size: 694 [2021-02-21 23:13:20,644 WARN L202 SmtUtils]: Spent 2.95 s on a formula simplification that was a NOOP. DAG size: 685 [2021-02-21 23:13:23,759 WARN L202 SmtUtils]: Spent 3.04 s on a formula simplification that was a NOOP. DAG size: 685 [2021-02-21 23:13:26,687 WARN L202 SmtUtils]: Spent 2.82 s on a formula simplification that was a NOOP. DAG size: 685 [2021-02-21 23:13:29,632 WARN L202 SmtUtils]: Spent 2.90 s on a formula simplification that was a NOOP. DAG size: 687 [2021-02-21 23:15:08,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 23:15:08,134 INFO L93 Difference]: Finished difference Result 20856 states and 24381 transitions. [2021-02-21 23:15:08,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-21 23:15:08,135 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 1520 [2021-02-21 23:15:08,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 23:15:08,191 INFO L225 Difference]: With dead ends: 20856 [2021-02-21 23:15:08,191 INFO L226 Difference]: Without dead ends: 12918 [2021-02-21 23:15:08,221 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 21.4s TimeCoverageRelationStatistics Valid=110, Invalid=352, Unknown=0, NotChecked=0, Total=462 [2021-02-21 23:15:08,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12918 states. [2021-02-21 23:15:17,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12918 to 8795. [2021-02-21 23:15:17,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8795 states. [2021-02-21 23:15:17,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8795 states to 8795 states and 9942 transitions. [2021-02-21 23:15:17,213 INFO L78 Accepts]: Start accepts. Automaton has 8795 states and 9942 transitions. Word has length 1520 [2021-02-21 23:15:17,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 23:15:17,215 INFO L480 AbstractCegarLoop]: Abstraction has 8795 states and 9942 transitions. [2021-02-21 23:15:17,215 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-21 23:15:17,215 INFO L276 IsEmpty]: Start isEmpty. Operand 8795 states and 9942 transitions. [2021-02-21 23:15:17,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1529 [2021-02-21 23:15:17,246 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 23:15:17,247 INFO L422 BasicCegarLoop]: trace histogram [48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 23:15:17,247 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-21 23:15:17,247 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 23:15:17,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 23:15:17,248 INFO L82 PathProgramCache]: Analyzing trace with hash -342076566, now seen corresponding path program 3 times [2021-02-21 23:15:17,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 23:15:17,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [474252897] [2021-02-21 23:15:17,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 23:15:17,268 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 23:15:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:17,883 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:17,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:17,885 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:17,885 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:20,898 WARN L202 SmtUtils]: Spent 2.99 s on a formula simplification that was a NOOP. DAG size: 682 [2021-02-21 23:15:20,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 23:15:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,073 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,074 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2021-02-21 23:15:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,270 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,271 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 694 [2021-02-21 23:15:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,281 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,282 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2021-02-21 23:15:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 724 [2021-02-21 23:15:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 746 [2021-02-21 23:15:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,317 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2021-02-21 23:15:21,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,329 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,329 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2021-02-21 23:15:21,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,340 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2021-02-21 23:15:21,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 806 [2021-02-21 23:15:21,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,362 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 821 [2021-02-21 23:15:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 836 [2021-02-21 23:15:21,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2021-02-21 23:15:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,396 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,396 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2021-02-21 23:15:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,407 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 884 [2021-02-21 23:15:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,419 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,420 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2021-02-21 23:15:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,431 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,431 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 914 [2021-02-21 23:15:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,443 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,443 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 929 [2021-02-21 23:15:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,454 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,454 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 944 [2021-02-21 23:15:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,464 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,465 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 959 [2021-02-21 23:15:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2021-02-21 23:15:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,487 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,487 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 989 [2021-02-21 23:15:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,498 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,499 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2021-02-21 23:15:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,510 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,510 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1019 [2021-02-21 23:15:21,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,521 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,522 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1034 [2021-02-21 23:15:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,533 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,533 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1049 [2021-02-21 23:15:21,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,544 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,544 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1064 [2021-02-21 23:15:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,554 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,555 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1079 [2021-02-21 23:15:21,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,565 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,565 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1094 [2021-02-21 23:15:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,576 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,576 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1109 [2021-02-21 23:15:21,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,588 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1124 [2021-02-21 23:15:21,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,599 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,600 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1139 [2021-02-21 23:15:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,610 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,611 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1154 [2021-02-21 23:15:21,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,621 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,622 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1169 [2021-02-21 23:15:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,633 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,633 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1184 [2021-02-21 23:15:21,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,644 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,644 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1199 [2021-02-21 23:15:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,660 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1214 [2021-02-21 23:15:21,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1229 [2021-02-21 23:15:21,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,691 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,692 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1244 [2021-02-21 23:15:21,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,704 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,704 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1259 [2021-02-21 23:15:21,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,718 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,718 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1274 [2021-02-21 23:15:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,733 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,733 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1289 [2021-02-21 23:15:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,744 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1292 [2021-02-21 23:15:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 23:15:21,815 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,816 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 23:15:21,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,835 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 23:15:21,856 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,856 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 23:15:21,877 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,878 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 23:15:21,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1310 [2021-02-21 23:15:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,912 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,912 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1352 [2021-02-21 23:15:21,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:21,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:21,921 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:21,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1363 [2021-02-21 23:15:21,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:22,001 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:22,002 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:22,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 23:15:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:22,012 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:22,013 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:22,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-02-21 23:15:22,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:22,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:22,024 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:22,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-21 23:15:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:22,034 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:22,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:22,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-21 23:15:22,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:22,045 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:22,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:22,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-02-21 23:15:22,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:22,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:22,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:22,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-02-21 23:15:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:22,070 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:22,071 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:22,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1463 [2021-02-21 23:15:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:22,121 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:22,122 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:22,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 23:15:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:22,134 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:22,135 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:22,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1484 [2021-02-21 23:15:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:22,179 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:22,180 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:22,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 23:15:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:22,189 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:22,190 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:22,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1520 [2021-02-21 23:15:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 23:15:22,197 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 23:15:22,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 23:15:23,727 INFO L134 CoverageAnalysis]: Checked inductivity of 12424 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 12409 trivial. 0 not checked. [2021-02-21 23:15:23,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [474252897] [2021-02-21 23:15:23,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 23:15:23,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-02-21 23:15:23,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348518610] [2021-02-21 23:15:23,735 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-21 23:15:23,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 23:15:23,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-21 23:15:23,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-02-21 23:15:23,736 INFO L87 Difference]: Start difference. First operand 8795 states and 9942 transitions. Second operand 13 states. [2021-02-21 23:15:26,678 WARN L202 SmtUtils]: Spent 2.91 s on a formula simplification that was a NOOP. DAG size: 691 [2021-02-21 23:15:42,894 WARN L202 SmtUtils]: Spent 2.94 s on a formula simplification that was a NOOP. DAG size: 694 [2021-02-21 23:15:45,923 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification that was a NOOP. DAG size: 685 [2021-02-21 23:15:48,858 WARN L202 SmtUtils]: Spent 2.85 s on a formula simplification that was a NOOP. DAG size: 685 [2021-02-21 23:15:51,836 WARN L202 SmtUtils]: Spent 2.88 s on a formula simplification that was a NOOP. DAG size: 685 [2021-02-21 23:15:54,904 WARN L202 SmtUtils]: Spent 2.95 s on a formula simplification that was a NOOP. DAG size: 685 [2021-02-21 23:15:57,885 WARN L202 SmtUtils]: Spent 2.93 s on a formula simplification that was a NOOP. DAG size: 687