java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--touchscreen--usbtouchscreen.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 15:53:19,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 15:53:19,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 15:53:19,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 15:53:19,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 15:53:19,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 15:53:19,622 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 15:53:19,627 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 15:53:19,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 15:53:19,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 15:53:19,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 15:53:19,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 15:53:19,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 15:53:19,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 15:53:19,641 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 15:53:19,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 15:53:19,644 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 15:53:19,645 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 15:53:19,650 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 15:53:19,652 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 15:53:19,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 15:53:19,655 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 15:53:19,657 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 15:53:19,660 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 15:53:19,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 15:53:19,662 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 15:53:19,662 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 15:53:19,664 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 15:53:19,665 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 15:53:19,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 15:53:19,667 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 15:53:19,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 15:53:19,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 15:53:19,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 15:53:19,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 15:53:19,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 15:53:19,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 15:53:19,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 15:53:19,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 15:53:19,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 15:53:19,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 15:53:19,679 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 15:53:19,705 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 15:53:19,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 15:53:19,708 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 15:53:19,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 15:53:19,709 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 15:53:19,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 15:53:19,709 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 15:53:19,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 15:53:19,710 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 15:53:19,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 15:53:19,711 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 15:53:19,711 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 15:53:19,711 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 15:53:19,712 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 15:53:19,712 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 15:53:19,712 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 15:53:19,712 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 15:53:19,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 15:53:19,713 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 15:53:19,713 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 15:53:19,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 15:53:19,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 15:53:19,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 15:53:19,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 15:53:19,714 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 15:53:19,714 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 15:53:19,714 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 15:53:19,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 15:53:19,715 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 15:53:19,769 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 15:53:19,782 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 15:53:19,786 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 15:53:19,787 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 15:53:19,787 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 15:53:19,788 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--touchscreen--usbtouchscreen.ko-entry_point.cil.out.i [2019-09-08 15:53:19,864 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbde98100/2d7b5d6f92734b3fa7dc37dedc977623/FLAG06d0e76d1 [2019-09-08 15:53:20,653 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 15:53:20,654 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--touchscreen--usbtouchscreen.ko-entry_point.cil.out.i [2019-09-08 15:53:20,711 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbde98100/2d7b5d6f92734b3fa7dc37dedc977623/FLAG06d0e76d1 [2019-09-08 15:53:21,214 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbde98100/2d7b5d6f92734b3fa7dc37dedc977623 [2019-09-08 15:53:21,225 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 15:53:21,227 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 15:53:21,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 15:53:21,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 15:53:21,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 15:53:21,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 03:53:21" (1/1) ... [2019-09-08 15:53:21,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f1699d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:53:21, skipping insertion in model container [2019-09-08 15:53:21,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 03:53:21" (1/1) ... [2019-09-08 15:53:21,241 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 15:53:21,385 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 15:53:22,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 15:53:22,926 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 15:53:23,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 15:53:23,668 INFO L192 MainTranslator]: Completed translation [2019-09-08 15:53:23,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:53:23 WrapperNode [2019-09-08 15:53:23,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 15:53:23,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 15:53:23,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 15:53:23,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 15:53:23,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:53:23" (1/1) ... [2019-09-08 15:53:23,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:53:23" (1/1) ... [2019-09-08 15:53:23,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:53:23" (1/1) ... [2019-09-08 15:53:23,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:53:23" (1/1) ... [2019-09-08 15:53:23,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:53:23" (1/1) ... [2019-09-08 15:53:23,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:53:23" (1/1) ... [2019-09-08 15:53:24,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:53:23" (1/1) ... [2019-09-08 15:53:24,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 15:53:24,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 15:53:24,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 15:53:24,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 15:53:24,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:53:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 15:53:24,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 15:53:24,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 15:53:24,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-08 15:53:24,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-09-08 15:53:24,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-09-08 15:53:24,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-09-08 15:53:24,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-08 15:53:24,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-09-08 15:53:24,121 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2019-09-08 15:53:24,121 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-09-08 15:53:24,121 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2019-09-08 15:53:24,122 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_mark_last_busy [2019-09-08 15:53:24,123 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2019-09-08 15:53:24,123 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2019-09-08 15:53:24,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-08 15:53:24,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-08 15:53:24,129 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-08 15:53:24,130 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-08 15:53:24,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-08 15:53:24,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-08 15:53:24,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-08 15:53:24,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-08 15:53:24,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-08 15:53:24,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-08 15:53:24,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-08 15:53:24,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-08 15:53:24,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-08 15:53:24,132 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2019-09-08 15:53:24,132 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2019-09-08 15:53:24,132 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2019-09-08 15:53:24,132 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2019-09-08 15:53:24,132 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2019-09-08 15:53:24,133 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2019-09-08 15:53:24,133 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2019-09-08 15:53:24,133 INFO L138 BoogieDeclarations]: Found implementation of procedure e2i_init [2019-09-08 15:53:24,133 INFO L138 BoogieDeclarations]: Found implementation of procedure e2i_read_data [2019-09-08 15:53:24,133 INFO L138 BoogieDeclarations]: Found implementation of procedure egalax_init [2019-09-08 15:53:24,133 INFO L138 BoogieDeclarations]: Found implementation of procedure egalax_read_data [2019-09-08 15:53:24,133 INFO L138 BoogieDeclarations]: Found implementation of procedure egalax_get_pkt_len [2019-09-08 15:53:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure etouch_read_data [2019-09-08 15:53:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure etouch_get_pkt_len [2019-09-08 15:53:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure panjit_read_data [2019-09-08 15:53:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure mtouch_read_data [2019-09-08 15:53:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure mtouch_init [2019-09-08 15:53:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure itm_read_data [2019-09-08 15:53:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure eturbo_read_data [2019-09-08 15:53:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure eturbo_get_pkt_len [2019-09-08 15:53:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure gunze_read_data [2019-09-08 15:53:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure dmc_tsc10_init [2019-09-08 15:53:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure dmc_tsc10_read_data [2019-09-08 15:53:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure irtouch_read_data [2019-09-08 15:53:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure tc45usb_read_data [2019-09-08 15:53:24,136 INFO L138 BoogieDeclarations]: Found implementation of procedure idealtek_get_pkt_len [2019-09-08 15:53:24,136 INFO L138 BoogieDeclarations]: Found implementation of procedure idealtek_read_data [2019-09-08 15:53:24,136 INFO L138 BoogieDeclarations]: Found implementation of procedure general_touch_read_data [2019-09-08 15:53:24,136 INFO L138 BoogieDeclarations]: Found implementation of procedure gotop_read_data [2019-09-08 15:53:24,136 INFO L138 BoogieDeclarations]: Found implementation of procedure jastec_read_data [2019-09-08 15:53:24,136 INFO L138 BoogieDeclarations]: Found implementation of procedure zytronic_read_data [2019-09-08 15:53:24,137 INFO L138 BoogieDeclarations]: Found implementation of procedure nexio_ack_complete [2019-09-08 15:53:24,137 INFO L138 BoogieDeclarations]: Found implementation of procedure nexio_alloc [2019-09-08 15:53:24,137 INFO L138 BoogieDeclarations]: Found implementation of procedure nexio_init [2019-09-08 15:53:24,137 INFO L138 BoogieDeclarations]: Found implementation of procedure nexio_exit [2019-09-08 15:53:24,138 INFO L138 BoogieDeclarations]: Found implementation of procedure nexio_read_data [2019-09-08 15:53:24,138 INFO L138 BoogieDeclarations]: Found implementation of procedure elo_read_data [2019-09-08 15:53:24,138 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_process_pkt [2019-09-08 15:53:24,138 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_process_multi [2019-09-08 15:53:24,138 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_irq [2019-09-08 15:53:24,138 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_open [2019-09-08 15:53:24,138 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_close [2019-09-08 15:53:24,139 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_suspend [2019-09-08 15:53:24,139 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_resume [2019-09-08 15:53:24,139 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_reset_resume [2019-09-08 15:53:24,139 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_free_buffers [2019-09-08 15:53:24,139 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_get_input_endpoint [2019-09-08 15:53:24,140 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_probe [2019-09-08 15:53:24,140 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_disconnect [2019-09-08 15:53:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_driver_init [2019-09-08 15:53:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure usbtouch_driver_exit [2019-09-08 15:53:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-09-08 15:53:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 15:53:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-08 15:53:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_2 [2019-09-08 15:53:24,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_3 [2019-09-08 15:53:24,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_4 [2019-09-08 15:53:24,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_5 [2019-09-08 15:53:24,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_6 [2019-09-08 15:53:24,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_7 [2019-09-08 15:53:24,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_8 [2019-09-08 15:53:24,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_9 [2019-09-08 15:53:24,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_10 [2019-09-08 15:53:24,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_11 [2019-09-08 15:53:24,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_12 [2019-09-08 15:53:24,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_14 [2019-09-08 15:53:24,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_16 [2019-09-08 15:53:24,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_17 [2019-09-08 15:53:24,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_18 [2019-09-08 15:53:24,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_20 [2019-09-08 15:53:24,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_21 [2019-09-08 15:53:24,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_22 [2019-09-08 15:53:24,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_23 [2019-09-08 15:53:24,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_24 [2019-09-08 15:53:24,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_27 [2019-09-08 15:53:24,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_28 [2019-09-08 15:53:24,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_29 [2019-09-08 15:53:24,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-09-08 15:53:24,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2019-09-08 15:53:24,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2019-09-08 15:53:24,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2019-09-08 15:53:24,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2019-09-08 15:53:24,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2019-09-08 15:53:24,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2019-09-08 15:53:24,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2019-09-08 15:53:24,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2019-09-08 15:53:24,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2019-09-08 15:53:24,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2019-09-08 15:53:24,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2019-09-08 15:53:24,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2019-09-08 15:53:24,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2019-09-08 15:53:24,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2019-09-08 15:53:24,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2019-09-08 15:53:24,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-08 15:53:24,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-09-08 15:53:24,149 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-08 15:53:24,150 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-08 15:53:24,150 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-08 15:53:24,151 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2019-09-08 15:53:24,151 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2019-09-08 15:53:24,151 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2019-09-08 15:53:24,151 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2019-09-08 15:53:24,151 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2019-09-08 15:53:24,152 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2019-09-08 15:53:24,152 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrdup [2019-09-08 15:53:24,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-08 15:53:24,152 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-09-08 15:53:24,152 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-09-08 15:53:24,153 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-08 15:53:24,153 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-08 15:53:24,153 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2019-09-08 15:53:24,153 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-09-08 15:53:24,154 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-09-08 15:53:24,157 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2019-09-08 15:53:24,157 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-09-08 15:53:24,157 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-08 15:53:24,158 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-09-08 15:53:24,164 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-09-08 15:53:24,164 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-08 15:53:24,165 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-08 15:53:24,165 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-08 15:53:24,165 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-08 15:53:24,166 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-08 15:53:24,166 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-08 15:53:24,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 15:53:24,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-08 15:53:24,166 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-08 15:53:24,166 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-08 15:53:24,166 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-09-08 15:53:24,167 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-09-08 15:53:24,167 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2019-09-08 15:53:24,167 INFO L130 BoogieDeclarations]: Found specification of procedure kstrdup [2019-09-08 15:53:24,167 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2019-09-08 15:53:24,167 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-09-08 15:53:24,167 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2019-09-08 15:53:24,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 15:53:24,167 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-09-08 15:53:24,168 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2019-09-08 15:53:24,168 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-08 15:53:24,168 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-09-08 15:53:24,168 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-08 15:53:24,168 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-09-08 15:53:24,168 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-09-08 15:53:24,168 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-08 15:53:24,168 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-08 15:53:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-08 15:53:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-08 15:53:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_mark_last_busy [2019-09-08 15:53:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 15:53:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_12 [2019-09-08 15:53:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_20 [2019-09-08 15:53:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-08 15:53:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_7 [2019-09-08 15:53:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_10 [2019-09-08 15:53:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_21 [2019-09-08 15:53:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_9 [2019-09-08 15:53:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_11 [2019-09-08 15:53:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_23 [2019-09-08 15:53:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2019-09-08 15:53:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2019-09-08 15:53:24,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 15:53:24,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 15:53:24,171 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-08 15:53:24,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_28 [2019-09-08 15:53:24,171 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-08 15:53:24,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_29 [2019-09-08 15:53:24,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_3 [2019-09-08 15:53:24,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_18 [2019-09-08 15:53:24,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_2 [2019-09-08 15:53:24,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_17 [2019-09-08 15:53:24,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_4 [2019-09-08 15:53:24,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_24 [2019-09-08 15:53:24,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_27 [2019-09-08 15:53:24,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_5 [2019-09-08 15:53:24,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_6 [2019-09-08 15:53:24,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_8 [2019-09-08 15:53:24,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_14 [2019-09-08 15:53:24,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_16 [2019-09-08 15:53:24,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_22 [2019-09-08 15:53:24,173 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-09-08 15:53:24,173 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-09-08 15:53:24,173 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-09-08 15:53:24,174 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-09-08 15:53:24,174 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2019-09-08 15:53:24,174 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-08 15:53:24,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2019-09-08 15:53:24,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2019-09-08 15:53:24,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2019-09-08 15:53:24,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2019-09-08 15:53:24,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2019-09-08 15:53:24,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2019-09-08 15:53:24,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2019-09-08 15:53:24,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2019-09-08 15:53:24,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2019-09-08 15:53:24,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2019-09-08 15:53:24,175 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-08 15:53:24,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-08 15:53:24,175 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-08 15:53:24,176 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-08 15:53:24,176 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-08 15:53:24,176 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 15:53:24,176 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-08 15:53:24,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 15:53:24,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-08 15:53:24,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-08 15:53:24,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 15:53:24,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 15:53:24,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-08 15:53:24,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-08 15:53:24,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-08 15:53:24,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-08 15:53:24,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-08 15:53:24,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-08 15:53:24,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-08 15:53:24,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-08 15:53:24,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-09-08 15:53:24,178 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2019-09-08 15:53:24,178 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2019-09-08 15:53:24,178 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2019-09-08 15:53:24,178 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2019-09-08 15:53:24,179 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2019-09-08 15:53:24,179 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2019-09-08 15:53:24,179 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2019-09-08 15:53:24,179 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2019-09-08 15:53:24,179 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2019-09-08 15:53:24,179 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2019-09-08 15:53:24,179 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2019-09-08 15:53:24,180 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2019-09-08 15:53:24,180 INFO L130 BoogieDeclarations]: Found specification of procedure e2i_init [2019-09-08 15:53:24,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 15:53:24,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 15:53:24,180 INFO L130 BoogieDeclarations]: Found specification of procedure e2i_read_data [2019-09-08 15:53:24,180 INFO L130 BoogieDeclarations]: Found specification of procedure egalax_init [2019-09-08 15:53:24,180 INFO L130 BoogieDeclarations]: Found specification of procedure egalax_read_data [2019-09-08 15:53:24,180 INFO L130 BoogieDeclarations]: Found specification of procedure egalax_get_pkt_len [2019-09-08 15:53:24,181 INFO L130 BoogieDeclarations]: Found specification of procedure etouch_read_data [2019-09-08 15:53:24,181 INFO L130 BoogieDeclarations]: Found specification of procedure etouch_get_pkt_len [2019-09-08 15:53:24,181 INFO L130 BoogieDeclarations]: Found specification of procedure panjit_read_data [2019-09-08 15:53:24,181 INFO L130 BoogieDeclarations]: Found specification of procedure mtouch_read_data [2019-09-08 15:53:24,182 INFO L130 BoogieDeclarations]: Found specification of procedure mtouch_init [2019-09-08 15:53:24,186 INFO L130 BoogieDeclarations]: Found specification of procedure itm_read_data [2019-09-08 15:53:24,186 INFO L130 BoogieDeclarations]: Found specification of procedure eturbo_read_data [2019-09-08 15:53:24,186 INFO L130 BoogieDeclarations]: Found specification of procedure eturbo_get_pkt_len [2019-09-08 15:53:24,187 INFO L130 BoogieDeclarations]: Found specification of procedure gunze_read_data [2019-09-08 15:53:24,187 INFO L130 BoogieDeclarations]: Found specification of procedure dmc_tsc10_init [2019-09-08 15:53:24,190 INFO L130 BoogieDeclarations]: Found specification of procedure dmc_tsc10_read_data [2019-09-08 15:53:24,190 INFO L130 BoogieDeclarations]: Found specification of procedure irtouch_read_data [2019-09-08 15:53:24,190 INFO L130 BoogieDeclarations]: Found specification of procedure tc45usb_read_data [2019-09-08 15:53:24,191 INFO L130 BoogieDeclarations]: Found specification of procedure idealtek_get_pkt_len [2019-09-08 15:53:24,191 INFO L130 BoogieDeclarations]: Found specification of procedure idealtek_read_data [2019-09-08 15:53:24,191 INFO L130 BoogieDeclarations]: Found specification of procedure general_touch_read_data [2019-09-08 15:53:24,191 INFO L130 BoogieDeclarations]: Found specification of procedure gotop_read_data [2019-09-08 15:53:24,191 INFO L130 BoogieDeclarations]: Found specification of procedure jastec_read_data [2019-09-08 15:53:24,191 INFO L130 BoogieDeclarations]: Found specification of procedure zytronic_read_data [2019-09-08 15:53:24,191 INFO L130 BoogieDeclarations]: Found specification of procedure nexio_ack_complete [2019-09-08 15:53:24,191 INFO L130 BoogieDeclarations]: Found specification of procedure nexio_alloc [2019-09-08 15:53:24,192 INFO L130 BoogieDeclarations]: Found specification of procedure nexio_init [2019-09-08 15:53:24,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-08 15:53:24,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-08 15:53:24,192 INFO L130 BoogieDeclarations]: Found specification of procedure nexio_exit [2019-09-08 15:53:24,192 INFO L130 BoogieDeclarations]: Found specification of procedure nexio_read_data [2019-09-08 15:53:24,192 INFO L130 BoogieDeclarations]: Found specification of procedure elo_read_data [2019-09-08 15:53:24,192 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_process_multi [2019-09-08 15:53:24,193 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_process_pkt [2019-09-08 15:53:24,193 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-08 15:53:24,193 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-09-08 15:53:24,193 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_irq [2019-09-08 15:53:24,193 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2019-09-08 15:53:24,193 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_open [2019-09-08 15:53:24,193 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_close [2019-09-08 15:53:24,193 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_suspend [2019-09-08 15:53:24,194 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_resume [2019-09-08 15:53:24,194 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_reset_resume [2019-09-08 15:53:24,194 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-09-08 15:53:24,194 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_free_buffers [2019-09-08 15:53:24,194 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_get_input_endpoint [2019-09-08 15:53:24,194 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_probe [2019-09-08 15:53:24,194 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-08 15:53:24,194 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_disconnect [2019-09-08 15:53:24,195 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_driver_init [2019-09-08 15:53:24,195 INFO L130 BoogieDeclarations]: Found specification of procedure usbtouch_driver_exit [2019-09-08 15:53:24,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-08 15:53:24,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-08 15:53:24,195 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 15:53:24,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-09-08 15:53:24,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2019-09-08 15:53:24,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2019-09-08 15:53:24,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2019-09-08 15:53:24,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2019-09-08 15:53:24,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2019-09-08 15:53:24,196 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-08 15:53:24,196 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 15:53:24,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 15:53:24,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 15:53:24,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-08 15:53:24,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 15:53:24,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-08 15:53:24,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-08 15:53:24,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-08 15:53:24,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-08 15:53:25,638 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-08 15:53:31,150 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-09-08 15:53:33,130 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 15:53:33,131 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 15:53:33,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 03:53:33 BoogieIcfgContainer [2019-09-08 15:53:33,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 15:53:33,135 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 15:53:33,135 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 15:53:33,139 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 15:53:33,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 03:53:21" (1/3) ... [2019-09-08 15:53:33,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35764ef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 03:53:33, skipping insertion in model container [2019-09-08 15:53:33,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 03:53:23" (2/3) ... [2019-09-08 15:53:33,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35764ef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 03:53:33, skipping insertion in model container [2019-09-08 15:53:33,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 03:53:33" (3/3) ... [2019-09-08 15:53:33,143 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--input--touchscreen--usbtouchscreen.ko-entry_point.cil.out.i [2019-09-08 15:53:33,158 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 15:53:33,169 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 15:53:33,196 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 15:53:33,245 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 15:53:33,246 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 15:53:33,247 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 15:53:33,247 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 15:53:33,247 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 15:53:33,247 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 15:53:33,247 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 15:53:33,248 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 15:53:33,248 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 15:53:33,299 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states. [2019-09-08 15:53:33,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-09-08 15:53:33,312 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 15:53:33,313 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 15:53:33,316 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 15:53:33,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 15:53:33,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1347477174, now seen corresponding path program 1 times [2019-09-08 15:53:33,325 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 15:53:33,325 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 15:53:33,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 15:53:33,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 15:53:33,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 15:53:33,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 15:53:34,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 15:53:34,232 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 15:53:34,232 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 15:53:34,237 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 15:53:34,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 15:53:34,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 15:53:34,253 INFO L87 Difference]: Start difference. First operand 1275 states. Second operand 3 states. [2019-09-08 15:53:36,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 15:53:36,891 INFO L93 Difference]: Finished difference Result 3690 states and 4918 transitions. [2019-09-08 15:53:36,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 15:53:36,893 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2019-09-08 15:53:36,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 15:53:36,945 INFO L225 Difference]: With dead ends: 3690 [2019-09-08 15:53:36,945 INFO L226 Difference]: Without dead ends: 2422 [2019-09-08 15:53:36,962 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 15:53:36,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2422 states. [2019-09-08 15:53:37,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2422 to 2419. [2019-09-08 15:53:37,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2419 states. [2019-09-08 15:53:37,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2419 states to 2419 states and 3151 transitions. [2019-09-08 15:53:37,316 INFO L78 Accepts]: Start accepts. Automaton has 2419 states and 3151 transitions. Word has length 44 [2019-09-08 15:53:37,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 15:53:37,317 INFO L475 AbstractCegarLoop]: Abstraction has 2419 states and 3151 transitions. [2019-09-08 15:53:37,317 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 15:53:37,317 INFO L276 IsEmpty]: Start isEmpty. Operand 2419 states and 3151 transitions. [2019-09-08 15:53:37,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-09-08 15:53:37,324 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 15:53:37,324 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-08 15:53:37,325 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 15:53:37,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 15:53:37,326 INFO L82 PathProgramCache]: Analyzing trace with hash -2019430101, now seen corresponding path program 1 times [2019-09-08 15:53:37,326 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 15:53:37,326 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 15:53:37,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 15:53:37,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 15:53:37,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 15:53:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 15:53:37,628 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-08 15:53:37,628 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 15:53:37,629 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 15:53:37,632 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 15:53:37,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 15:53:37,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 15:53:37,633 INFO L87 Difference]: Start difference. First operand 2419 states and 3151 transitions. Second operand 3 states. [2019-09-08 15:53:37,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 15:53:37,969 INFO L93 Difference]: Finished difference Result 2445 states and 3183 transitions. [2019-09-08 15:53:37,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 15:53:37,970 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-09-08 15:53:37,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 15:53:37,987 INFO L225 Difference]: With dead ends: 2445 [2019-09-08 15:53:37,987 INFO L226 Difference]: Without dead ends: 2432 [2019-09-08 15:53:37,989 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 15:53:37,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2432 states. [2019-09-08 15:53:38,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2432 to 2419. [2019-09-08 15:53:38,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2419 states. [2019-09-08 15:53:38,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2419 states to 2419 states and 3150 transitions. [2019-09-08 15:53:38,120 INFO L78 Accepts]: Start accepts. Automaton has 2419 states and 3150 transitions. Word has length 60 [2019-09-08 15:53:38,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 15:53:38,121 INFO L475 AbstractCegarLoop]: Abstraction has 2419 states and 3150 transitions. [2019-09-08 15:53:38,121 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 15:53:38,121 INFO L276 IsEmpty]: Start isEmpty. Operand 2419 states and 3150 transitions. [2019-09-08 15:53:38,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-09-08 15:53:38,131 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 15:53:38,131 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-08 15:53:38,132 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 15:53:38,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 15:53:38,132 INFO L82 PathProgramCache]: Analyzing trace with hash -1962171799, now seen corresponding path program 1 times [2019-09-08 15:53:38,132 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 15:53:38,132 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 15:53:38,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 15:53:38,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 15:53:38,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 15:53:38,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 15:53:38,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-08 15:53:38,536 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 15:53:38,536 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 15:53:38,536 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 15:53:38,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 15:53:38,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 15:53:38,537 INFO L87 Difference]: Start difference. First operand 2419 states and 3150 transitions. Second operand 3 states. [2019-09-08 15:53:38,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 15:53:38,791 INFO L93 Difference]: Finished difference Result 7212 states and 9735 transitions. [2019-09-08 15:53:38,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 15:53:38,791 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-09-08 15:53:38,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 15:53:38,825 INFO L225 Difference]: With dead ends: 7212 [2019-09-08 15:53:38,825 INFO L226 Difference]: Without dead ends: 4815 [2019-09-08 15:53:38,839 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 15:53:38,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4815 states. [2019-09-08 15:53:39,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4815 to 4804. [2019-09-08 15:53:39,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4804 states. [2019-09-08 15:53:39,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4804 states to 4804 states and 6431 transitions. [2019-09-08 15:53:39,081 INFO L78 Accepts]: Start accepts. Automaton has 4804 states and 6431 transitions. Word has length 60 [2019-09-08 15:53:39,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 15:53:39,084 INFO L475 AbstractCegarLoop]: Abstraction has 4804 states and 6431 transitions. [2019-09-08 15:53:39,084 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 15:53:39,084 INFO L276 IsEmpty]: Start isEmpty. Operand 4804 states and 6431 transitions. [2019-09-08 15:53:39,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-08 15:53:39,089 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 15:53:39,089 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-08 15:53:39,089 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 15:53:39,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 15:53:39,090 INFO L82 PathProgramCache]: Analyzing trace with hash -698431349, now seen corresponding path program 1 times [2019-09-08 15:53:39,090 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 15:53:39,090 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 15:53:39,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 15:53:39,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 15:53:39,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 15:53:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 15:53:39,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-08 15:53:39,382 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 15:53:39,382 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 15:53:39,383 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 15:53:39,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 15:53:39,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 15:53:39,384 INFO L87 Difference]: Start difference. First operand 4804 states and 6431 transitions. Second operand 4 states. [2019-09-08 15:53:39,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 15:53:39,674 INFO L93 Difference]: Finished difference Result 9604 states and 12862 transitions. [2019-09-08 15:53:39,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 15:53:39,675 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-09-08 15:53:39,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 15:53:39,709 INFO L225 Difference]: With dead ends: 9604 [2019-09-08 15:53:39,709 INFO L226 Difference]: Without dead ends: 4821 [2019-09-08 15:53:39,731 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-08 15:53:39,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4821 states. [2019-09-08 15:53:39,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4821 to 4809. [2019-09-08 15:53:39,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4809 states. [2019-09-08 15:53:39,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4809 states to 4809 states and 6437 transitions. [2019-09-08 15:53:39,975 INFO L78 Accepts]: Start accepts. Automaton has 4809 states and 6437 transitions. Word has length 61 [2019-09-08 15:53:39,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 15:53:39,976 INFO L475 AbstractCegarLoop]: Abstraction has 4809 states and 6437 transitions. [2019-09-08 15:53:39,976 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 15:53:39,976 INFO L276 IsEmpty]: Start isEmpty. Operand 4809 states and 6437 transitions. [2019-09-08 15:53:39,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-09-08 15:53:39,979 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 15:53:39,980 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-08 15:53:39,980 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 15:53:39,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 15:53:39,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1149391953, now seen corresponding path program 1 times [2019-09-08 15:53:39,980 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 15:53:39,980 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 15:53:39,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 15:53:39,985 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 15:53:39,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 15:53:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 15:53:40,255 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-08 15:53:40,255 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 15:53:40,255 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 15:53:40,293 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 15:53:41,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 15:53:41,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 4140 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-08 15:53:41,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 15:53:41,309 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 15:53:41,329 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 15:53:41,329 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-09-08 15:53:41,329 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 15:53:41,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 15:53:41,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-09-08 15:53:41,330 INFO L87 Difference]: Start difference. First operand 4809 states and 6437 transitions. Second operand 8 states. [2019-09-08 15:53:41,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 15:53:41,636 INFO L93 Difference]: Finished difference Result 9619 states and 13181 transitions. [2019-09-08 15:53:41,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 15:53:41,714 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 62 [2019-09-08 15:53:41,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 15:53:41,748 INFO L225 Difference]: With dead ends: 9619 [2019-09-08 15:53:41,748 INFO L226 Difference]: Without dead ends: 4818 [2019-09-08 15:53:41,771 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2019-09-08 15:53:41,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4818 states. [2019-09-08 15:53:41,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4818 to 4818. [2019-09-08 15:53:41,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4818 states. [2019-09-08 15:53:42,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4818 states to 4818 states and 6445 transitions. [2019-09-08 15:53:42,013 INFO L78 Accepts]: Start accepts. Automaton has 4818 states and 6445 transitions. Word has length 62 [2019-09-08 15:53:42,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 15:53:42,013 INFO L475 AbstractCegarLoop]: Abstraction has 4818 states and 6445 transitions. [2019-09-08 15:53:42,014 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 15:53:42,014 INFO L276 IsEmpty]: Start isEmpty. Operand 4818 states and 6445 transitions. [2019-09-08 15:53:42,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-09-08 15:53:42,016 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 15:53:42,017 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-08 15:53:42,017 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 15:53:42,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 15:53:42,018 INFO L82 PathProgramCache]: Analyzing trace with hash 2050698507, now seen corresponding path program 2 times [2019-09-08 15:53:42,018 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 15:53:42,018 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 15:53:42,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 15:53:42,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 15:53:42,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 15:53:42,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 15:53:42,334 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-08 15:53:42,335 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 15:53:42,335 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 15:53:42,365 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-08 15:53:45,278 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-09-08 15:53:45,278 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 15:53:45,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 3918 conjuncts, 5 conjunts are in the unsatisfiable core [2019-09-08 15:53:45,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 15:53:45,386 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-09-08 15:53:45,410 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 15:53:45,411 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-09-08 15:53:45,411 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 15:53:45,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 15:53:45,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-09-08 15:53:45,412 INFO L87 Difference]: Start difference. First operand 4818 states and 6445 transitions. Second operand 7 states. [2019-09-08 15:53:45,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 15:53:45,711 INFO L93 Difference]: Finished difference Result 9611 states and 12864 transitions. [2019-09-08 15:53:45,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 15:53:45,712 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 63 [2019-09-08 15:53:45,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 15:53:45,743 INFO L225 Difference]: With dead ends: 9611 [2019-09-08 15:53:45,743 INFO L226 Difference]: Without dead ends: 4818 [2019-09-08 15:53:45,764 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2019-09-08 15:53:45,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4818 states. [2019-09-08 15:53:45,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4818 to 4818. [2019-09-08 15:53:45,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4818 states. [2019-09-08 15:53:46,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4818 states to 4818 states and 6444 transitions. [2019-09-08 15:53:46,012 INFO L78 Accepts]: Start accepts. Automaton has 4818 states and 6444 transitions. Word has length 63 [2019-09-08 15:53:46,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 15:53:46,013 INFO L475 AbstractCegarLoop]: Abstraction has 4818 states and 6444 transitions. [2019-09-08 15:53:46,013 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 15:53:46,013 INFO L276 IsEmpty]: Start isEmpty. Operand 4818 states and 6444 transitions. [2019-09-08 15:53:46,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-09-08 15:53:46,016 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 15:53:46,016 INFO L399 BasicCegarLoop]: trace histogram [3, 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] [2019-09-08 15:53:46,017 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 15:53:46,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 15:53:46,017 INFO L82 PathProgramCache]: Analyzing trace with hash -763150456, now seen corresponding path program 1 times [2019-09-08 15:53:46,017 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 15:53:46,018 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 15:53:46,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 15:53:46,023 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 15:53:46,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 15:53:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 15:53:46,421 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-09-08 15:53:46,421 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 15:53:46,422 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 15:53:46,423 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 15:53:46,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 15:53:46,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 15:53:46,424 INFO L87 Difference]: Start difference. First operand 4818 states and 6444 transitions. Second operand 3 states. [2019-09-08 15:53:46,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 15:53:46,554 INFO L93 Difference]: Finished difference Result 4820 states and 6445 transitions. [2019-09-08 15:53:46,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 15:53:46,555 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2019-09-08 15:53:46,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 15:53:46,609 INFO L225 Difference]: With dead ends: 4820 [2019-09-08 15:53:46,609 INFO L226 Difference]: Without dead ends: 4817 [2019-09-08 15:53:46,613 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 15:53:46,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4817 states. [2019-09-08 15:53:46,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4817 to 4817. [2019-09-08 15:53:46,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4817 states. [2019-09-08 15:53:46,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4817 states to 4817 states and 6442 transitions. [2019-09-08 15:53:46,896 INFO L78 Accepts]: Start accepts. Automaton has 4817 states and 6442 transitions. Word has length 65 [2019-09-08 15:53:46,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 15:53:46,897 INFO L475 AbstractCegarLoop]: Abstraction has 4817 states and 6442 transitions. [2019-09-08 15:53:46,897 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 15:53:46,897 INFO L276 IsEmpty]: Start isEmpty. Operand 4817 states and 6442 transitions. [2019-09-08 15:53:46,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-09-08 15:53:46,899 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 15:53:46,899 INFO L399 BasicCegarLoop]: trace histogram [3, 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] [2019-09-08 15:53:46,899 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 15:53:46,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 15:53:46,900 INFO L82 PathProgramCache]: Analyzing trace with hash 2111501650, now seen corresponding path program 1 times [2019-09-08 15:53:46,900 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 15:53:46,900 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 15:53:46,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 15:53:46,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 15:53:46,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 15:53:46,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 15:53:47,131 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-09-08 15:53:47,131 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 15:53:47,131 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 15:53:47,132 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 15:53:47,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 15:53:47,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 15:53:47,133 INFO L87 Difference]: Start difference. First operand 4817 states and 6442 transitions. Second operand 3 states. [2019-09-08 15:53:47,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 15:53:47,500 INFO L93 Difference]: Finished difference Result 14334 states and 19837 transitions. [2019-09-08 15:53:47,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 15:53:47,501 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2019-09-08 15:53:47,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 15:53:47,570 INFO L225 Difference]: With dead ends: 14334 [2019-09-08 15:53:47,571 INFO L226 Difference]: Without dead ends: 9546 [2019-09-08 15:53:47,597 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 15:53:47,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9546 states. [2019-09-08 15:53:48,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9546 to 9494. [2019-09-08 15:53:48,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9494 states. [2019-09-08 15:53:48,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9494 states to 9494 states and 13041 transitions. [2019-09-08 15:53:48,242 INFO L78 Accepts]: Start accepts. Automaton has 9494 states and 13041 transitions. Word has length 66 [2019-09-08 15:53:48,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 15:53:48,246 INFO L475 AbstractCegarLoop]: Abstraction has 9494 states and 13041 transitions. [2019-09-08 15:53:48,246 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 15:53:48,246 INFO L276 IsEmpty]: Start isEmpty. Operand 9494 states and 13041 transitions. [2019-09-08 15:53:48,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-09-08 15:53:48,252 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 15:53:48,252 INFO L399 BasicCegarLoop]: trace histogram [3, 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] [2019-09-08 15:53:48,252 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 15:53:48,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 15:53:48,253 INFO L82 PathProgramCache]: Analyzing trace with hash 1031408587, now seen corresponding path program 1 times [2019-09-08 15:53:48,253 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 15:53:48,253 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 15:53:48,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 15:53:48,257 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 15:53:48,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 15:53:48,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 15:53:48,480 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-09-08 15:53:48,481 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 15:53:48,481 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 15:53:48,481 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 15:53:48,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 15:53:48,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 15:53:48,482 INFO L87 Difference]: Start difference. First operand 9494 states and 13041 transitions. Second operand 3 states. [2019-09-08 15:53:48,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 15:53:48,711 INFO L93 Difference]: Finished difference Result 9496 states and 13042 transitions. [2019-09-08 15:53:48,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 15:53:48,711 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2019-09-08 15:53:48,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 15:53:48,761 INFO L225 Difference]: With dead ends: 9496 [2019-09-08 15:53:48,761 INFO L226 Difference]: Without dead ends: 9474 [2019-09-08 15:53:48,767 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 15:53:48,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9474 states. [2019-09-08 15:53:49,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9474 to 9474. [2019-09-08 15:53:49,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9474 states. [2019-09-08 15:53:49,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9474 states to 9474 states and 13017 transitions. [2019-09-08 15:53:49,207 INFO L78 Accepts]: Start accepts. Automaton has 9474 states and 13017 transitions. Word has length 67 [2019-09-08 15:53:49,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 15:53:49,207 INFO L475 AbstractCegarLoop]: Abstraction has 9474 states and 13017 transitions. [2019-09-08 15:53:49,207 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 15:53:49,208 INFO L276 IsEmpty]: Start isEmpty. Operand 9474 states and 13017 transitions. [2019-09-08 15:53:49,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-09-08 15:53:49,215 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 15:53:49,215 INFO L399 BasicCegarLoop]: trace histogram [3, 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] [2019-09-08 15:53:49,215 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 15:53:49,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 15:53:49,216 INFO L82 PathProgramCache]: Analyzing trace with hash -1111164116, now seen corresponding path program 1 times [2019-09-08 15:53:49,216 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 15:53:49,216 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 15:53:49,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 15:53:49,221 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 15:53:49,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 15:53:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 15:53:49,458 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-09-08 15:53:49,459 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 15:53:49,459 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 15:53:49,459 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 15:53:49,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 15:53:49,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 15:53:49,461 INFO L87 Difference]: Start difference. First operand 9474 states and 13017 transitions. Second operand 3 states. [2019-09-08 15:53:50,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 15:53:50,170 INFO L93 Difference]: Finished difference Result 19096 states and 26245 transitions. [2019-09-08 15:53:50,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 15:53:50,171 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2019-09-08 15:53:50,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 15:53:50,329 INFO L225 Difference]: With dead ends: 19096 [2019-09-08 15:53:50,329 INFO L226 Difference]: Without dead ends: 9651 [2019-09-08 15:53:50,361 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 15:53:50,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9651 states. [2019-09-08 15:53:50,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9651 to 9574. [2019-09-08 15:53:50,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9574 states. [2019-09-08 15:53:50,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9574 states to 9574 states and 13160 transitions. [2019-09-08 15:53:50,786 INFO L78 Accepts]: Start accepts. Automaton has 9574 states and 13160 transitions. Word has length 114 [2019-09-08 15:53:50,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 15:53:50,787 INFO L475 AbstractCegarLoop]: Abstraction has 9574 states and 13160 transitions. [2019-09-08 15:53:50,787 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 15:53:50,787 INFO L276 IsEmpty]: Start isEmpty. Operand 9574 states and 13160 transitions. [2019-09-08 15:53:50,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-09-08 15:53:50,796 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 15:53:50,797 INFO L399 BasicCegarLoop]: trace histogram [3, 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] [2019-09-08 15:53:50,797 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 15:53:50,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 15:53:50,797 INFO L82 PathProgramCache]: Analyzing trace with hash -1701895146, now seen corresponding path program 1 times [2019-09-08 15:53:50,798 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 15:53:50,798 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 15:53:50,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 15:53:50,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 15:53:50,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 15:53:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 15:53:51,059 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-09-08 15:53:51,060 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 15:53:51,060 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 15:53:51,060 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 15:53:51,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 15:53:51,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 15:53:51,066 INFO L87 Difference]: Start difference. First operand 9574 states and 13160 transitions. Second operand 3 states. [2019-09-08 15:53:53,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 15:53:53,990 INFO L93 Difference]: Finished difference Result 28265 states and 38811 transitions. [2019-09-08 15:53:53,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 15:53:53,990 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2019-09-08 15:53:53,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 15:53:54,078 INFO L225 Difference]: With dead ends: 28265 [2019-09-08 15:53:54,079 INFO L226 Difference]: Without dead ends: 18720 [2019-09-08 15:53:54,112 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 15:53:54,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18720 states. [2019-09-08 15:53:56,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18720 to 18628. [2019-09-08 15:53:56,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18628 states. [2019-09-08 15:53:56,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18628 states to 18628 states and 25519 transitions. [2019-09-08 15:53:56,138 INFO L78 Accepts]: Start accepts. Automaton has 18628 states and 25519 transitions. Word has length 149 [2019-09-08 15:53:56,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 15:53:56,139 INFO L475 AbstractCegarLoop]: Abstraction has 18628 states and 25519 transitions. [2019-09-08 15:53:56,139 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 15:53:56,140 INFO L276 IsEmpty]: Start isEmpty. Operand 18628 states and 25519 transitions. [2019-09-08 15:53:56,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-09-08 15:53:56,159 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 15:53:56,159 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 15:53:56,159 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 15:53:56,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 15:53:56,160 INFO L82 PathProgramCache]: Analyzing trace with hash -897655725, now seen corresponding path program 1 times [2019-09-08 15:53:56,160 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 15:53:56,161 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 15:53:56,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 15:53:56,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 15:53:56,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 15:53:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 15:53:56,572 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-09-08 15:53:56,572 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 15:53:56,573 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 15:53:56,573 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 15:53:56,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 15:53:56,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 15:53:56,574 INFO L87 Difference]: Start difference. First operand 18628 states and 25519 transitions. Second operand 3 states. [2019-09-08 15:54:00,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 15:54:00,009 INFO L93 Difference]: Finished difference Result 46362 states and 63517 transitions. [2019-09-08 15:54:00,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 15:54:00,010 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 183 [2019-09-08 15:54:00,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 15:54:00,120 INFO L225 Difference]: With dead ends: 46362 [2019-09-08 15:54:00,120 INFO L226 Difference]: Without dead ends: 27763 [2019-09-08 15:54:00,168 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 15:54:00,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27763 states. [2019-09-08 15:54:01,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27763 to 27682. [2019-09-08 15:54:01,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27682 states. [2019-09-08 15:54:01,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27682 states to 27682 states and 37886 transitions. [2019-09-08 15:54:01,304 INFO L78 Accepts]: Start accepts. Automaton has 27682 states and 37886 transitions. Word has length 183 [2019-09-08 15:54:01,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 15:54:01,304 INFO L475 AbstractCegarLoop]: Abstraction has 27682 states and 37886 transitions. [2019-09-08 15:54:01,304 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 15:54:01,304 INFO L276 IsEmpty]: Start isEmpty. Operand 27682 states and 37886 transitions. [2019-09-08 15:54:01,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2019-09-08 15:54:01,319 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 15:54:01,319 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-09-08 15:54:01,319 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 15:54:01,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 15:54:01,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1722962969, now seen corresponding path program 1 times [2019-09-08 15:54:01,320 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 15:54:01,320 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 15:54:01,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 15:54:01,324 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 15:54:01,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 15:54:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 15:54:01,867 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-09-08 15:54:01,867 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 15:54:01,868 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 15:54:01,869 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 15:54:01,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 15:54:01,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 15:54:01,870 INFO L87 Difference]: Start difference. First operand 27682 states and 37886 transitions. Second operand 9 states. [2019-09-08 15:54:28,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 15:54:28,637 INFO L93 Difference]: Finished difference Result 77778 states and 111863 transitions. [2019-09-08 15:54:28,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-09-08 15:54:28,638 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 197 [2019-09-08 15:54:28,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 15:54:28,911 INFO L225 Difference]: With dead ends: 77778 [2019-09-08 15:54:28,911 INFO L226 Difference]: Without dead ends: 50125 [2019-09-08 15:54:28,999 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2019-09-08 15:54:29,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50125 states. [2019-09-08 15:54:31,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50125 to 48510. [2019-09-08 15:54:31,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48510 states. [2019-09-08 15:54:31,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48510 states to 48510 states and 69425 transitions. [2019-09-08 15:54:31,241 INFO L78 Accepts]: Start accepts. Automaton has 48510 states and 69425 transitions. Word has length 197 [2019-09-08 15:54:31,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 15:54:31,242 INFO L475 AbstractCegarLoop]: Abstraction has 48510 states and 69425 transitions. [2019-09-08 15:54:31,242 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 15:54:31,242 INFO L276 IsEmpty]: Start isEmpty. Operand 48510 states and 69425 transitions. [2019-09-08 15:54:31,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2019-09-08 15:54:31,251 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 15:54:31,251 INFO L399 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 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] [2019-09-08 15:54:31,252 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 15:54:31,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 15:54:31,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1249267382, now seen corresponding path program 1 times [2019-09-08 15:54:31,252 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 15:54:31,252 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 15:54:31,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 15:54:31,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 15:54:31,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 15:54:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 15:54:31,542 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-09-08 15:54:31,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 15:54:31,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 15:54:31,544 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 15:54:31,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 15:54:31,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 15:54:31,544 INFO L87 Difference]: Start difference. First operand 48510 states and 69425 transitions. Second operand 4 states. [2019-09-08 15:54:44,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 15:54:44,110 INFO L93 Difference]: Finished difference Result 166197 states and 287977 transitions. [2019-09-08 15:54:44,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 15:54:44,111 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 212 [2019-09-08 15:54:44,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 15:54:44,872 INFO L225 Difference]: With dead ends: 166197 [2019-09-08 15:54:44,873 INFO L226 Difference]: Without dead ends: 117716 [2019-09-08 15:54:45,162 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-08 15:54:45,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117716 states. [2019-09-08 15:54:52,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117716 to 115716. [2019-09-08 15:54:52,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115716 states. [2019-09-08 15:54:53,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115716 states to 115716 states and 196943 transitions. [2019-09-08 15:54:53,213 INFO L78 Accepts]: Start accepts. Automaton has 115716 states and 196943 transitions. Word has length 212 [2019-09-08 15:54:53,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 15:54:53,214 INFO L475 AbstractCegarLoop]: Abstraction has 115716 states and 196943 transitions. [2019-09-08 15:54:53,214 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 15:54:53,214 INFO L276 IsEmpty]: Start isEmpty. Operand 115716 states and 196943 transitions. [2019-09-08 15:54:53,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-09-08 15:54:53,225 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 15:54:53,225 INFO L399 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 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] [2019-09-08 15:54:53,225 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 15:54:53,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 15:54:53,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1124320739, now seen corresponding path program 1 times [2019-09-08 15:54:53,226 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 15:54:53,226 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 15:54:53,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 15:54:53,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 15:54:53,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 15:54:53,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 15:54:53,541 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-09-08 15:54:53,544 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 15:54:53,544 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 15:54:53,545 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 15:54:53,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 15:54:53,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 15:54:53,546 INFO L87 Difference]: Start difference. First operand 115716 states and 196943 transitions. Second operand 4 states. [2019-09-08 15:55:21,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 15:55:21,497 INFO L93 Difference]: Finished difference Result 390778 states and 907439 transitions. [2019-09-08 15:55:21,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 15:55:21,498 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 213 [2019-09-08 15:55:21,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 15:55:23,716 INFO L225 Difference]: With dead ends: 390778 [2019-09-08 15:55:23,716 INFO L226 Difference]: Without dead ends: 275091 [2019-09-08 15:55:31,906 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-08 15:55:32,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275091 states. [2019-09-08 15:55:44,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275091 to 271186. [2019-09-08 15:55:44,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271186 states. [2019-09-08 15:55:59,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271186 states to 271186 states and 590147 transitions. [2019-09-08 15:55:59,295 INFO L78 Accepts]: Start accepts. Automaton has 271186 states and 590147 transitions. Word has length 213 [2019-09-08 15:55:59,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 15:55:59,296 INFO L475 AbstractCegarLoop]: Abstraction has 271186 states and 590147 transitions. [2019-09-08 15:55:59,296 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 15:55:59,297 INFO L276 IsEmpty]: Start isEmpty. Operand 271186 states and 590147 transitions. [2019-09-08 15:55:59,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-09-08 15:55:59,303 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 15:55:59,303 INFO L399 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 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] [2019-09-08 15:55:59,303 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 15:55:59,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 15:55:59,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1231002690, now seen corresponding path program 1 times [2019-09-08 15:55:59,304 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 15:55:59,304 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 15:55:59,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 15:55:59,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 15:55:59,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 15:55:59,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 15:55:59,573 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2019-09-08 15:55:59,574 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 15:55:59,574 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 15:55:59,576 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 15:55:59,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 15:55:59,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 15:55:59,577 INFO L87 Difference]: Start difference. First operand 271186 states and 590147 transitions. Second operand 4 states. [2019-09-08 15:56:24,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 15:56:24,430 INFO L93 Difference]: Finished difference Result 539842 states and 1331678 transitions. [2019-09-08 15:56:24,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-08 15:56:24,431 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 213 [2019-09-08 15:56:24,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 15:56:37,441 INFO L225 Difference]: With dead ends: 539842 [2019-09-08 15:56:37,442 INFO L226 Difference]: Without dead ends: 273116 [2019-09-08 15:56:47,917 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 15:56:48,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273116 states. [2019-09-08 15:57:02,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273116 to 271506. [2019-09-08 15:57:02,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271506 states. [2019-09-08 15:57:20,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271506 states to 271506 states and 590467 transitions. [2019-09-08 15:57:20,910 INFO L78 Accepts]: Start accepts. Automaton has 271506 states and 590467 transitions. Word has length 213 [2019-09-08 15:57:20,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 15:57:20,911 INFO L475 AbstractCegarLoop]: Abstraction has 271506 states and 590467 transitions. [2019-09-08 15:57:20,911 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 15:57:20,911 INFO L276 IsEmpty]: Start isEmpty. Operand 271506 states and 590467 transitions. [2019-09-08 15:57:20,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-09-08 15:57:20,920 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 15:57:20,920 INFO L399 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 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] [2019-09-08 15:57:20,921 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 15:57:20,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 15:57:20,921 INFO L82 PathProgramCache]: Analyzing trace with hash -972837252, now seen corresponding path program 1 times [2019-09-08 15:57:20,921 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 15:57:20,922 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 15:57:20,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 15:57:20,928 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 15:57:20,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 15:57:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 15:57:21,215 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-09-08 15:57:21,216 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 15:57:21,216 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 15:57:21,218 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 15:57:21,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 15:57:21,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 15:57:21,219 INFO L87 Difference]: Start difference. First operand 271506 states and 590467 transitions. Second operand 5 states. [2019-09-08 15:57:52,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 15:57:52,936 INFO L93 Difference]: Finished difference Result 653618 states and 1430323 transitions. [2019-09-08 15:57:52,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 15:57:52,936 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 213 [2019-09-08 15:57:52,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 15:58:08,795 INFO L225 Difference]: With dead ends: 653618 [2019-09-08 15:58:08,795 INFO L226 Difference]: Without dead ends: 382141 [2019-09-08 15:58:11,673 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-08 15:58:11,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382141 states. [2019-09-08 15:58:30,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382141 to 271954. [2019-09-08 15:58:30,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271954 states. [2019-09-08 15:58:47,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271954 states to 271954 states and 590979 transitions. [2019-09-08 15:58:47,896 INFO L78 Accepts]: Start accepts. Automaton has 271954 states and 590979 transitions. Word has length 213 [2019-09-08 15:58:47,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 15:58:47,897 INFO L475 AbstractCegarLoop]: Abstraction has 271954 states and 590979 transitions. [2019-09-08 15:58:47,897 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 15:58:47,897 INFO L276 IsEmpty]: Start isEmpty. Operand 271954 states and 590979 transitions. [2019-09-08 15:58:47,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-09-08 15:58:47,900 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 15:58:47,901 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-08 15:58:47,901 INFO L418 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 15:58:47,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 15:58:47,901 INFO L82 PathProgramCache]: Analyzing trace with hash 292798636, now seen corresponding path program 1 times [2019-09-08 15:58:47,901 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 15:58:47,901 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 15:58:47,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 15:58:47,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 15:58:47,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 15:58:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 15:58:48,199 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2019-09-08 15:58:48,200 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 15:58:48,200 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 15:58:48,200 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 15:58:48,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 15:58:48,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 15:58:48,201 INFO L87 Difference]: Start difference. First operand 271954 states and 590979 transitions. Second operand 5 states. [2019-09-08 15:59:28,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 15:59:28,978 INFO L93 Difference]: Finished difference Result 544839 states and 1418415 transitions. [2019-09-08 15:59:28,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 15:59:28,979 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 233 [2019-09-08 15:59:28,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 15:59:31,131 INFO L225 Difference]: With dead ends: 544839 [2019-09-08 15:59:31,132 INFO L226 Difference]: Without dead ends: 272914 [2019-09-08 15:59:34,979 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 15:59:35,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272914 states. [2019-09-08 15:59:49,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272914 to 272594. [2019-09-08 15:59:49,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272594 states. [2019-09-08 16:00:11,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272594 states to 272594 states and 591619 transitions. [2019-09-08 16:00:11,149 INFO L78 Accepts]: Start accepts. Automaton has 272594 states and 591619 transitions. Word has length 233 [2019-09-08 16:00:11,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:00:11,150 INFO L475 AbstractCegarLoop]: Abstraction has 272594 states and 591619 transitions. [2019-09-08 16:00:11,150 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 16:00:11,150 INFO L276 IsEmpty]: Start isEmpty. Operand 272594 states and 591619 transitions. [2019-09-08 16:00:11,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2019-09-08 16:00:11,153 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:00:11,153 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-08 16:00:11,154 INFO L418 AbstractCegarLoop]: === Iteration 19 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:00:11,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:00:11,154 INFO L82 PathProgramCache]: Analyzing trace with hash 1510570923, now seen corresponding path program 1 times [2019-09-08 16:00:11,154 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:00:11,154 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:00:11,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:00:11,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:00:11,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:00:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:00:11,679 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-09-08 16:00:11,679 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:00:11,679 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-09-08 16:00:11,681 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-08 16:00:11,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-08 16:00:11,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2019-09-08 16:00:11,682 INFO L87 Difference]: Start difference. First operand 272594 states and 591619 transitions. Second operand 13 states. [2019-09-08 16:00:40,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:00:40,252 INFO L93 Difference]: Finished difference Result 550503 states and 1436491 transitions. [2019-09-08 16:00:40,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-09-08 16:00:40,253 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 240 [2019-09-08 16:00:40,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:00:43,351 INFO L225 Difference]: With dead ends: 550503 [2019-09-08 16:00:43,351 INFO L226 Difference]: Without dead ends: 277938 [2019-09-08 16:01:00,362 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2019-09-08 16:01:00,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277938 states. [2019-09-08 16:01:16,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277938 to 275714. [2019-09-08 16:01:16,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275714 states. [2019-09-08 16:01:22,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275714 states to 275714 states and 596051 transitions. [2019-09-08 16:01:22,346 INFO L78 Accepts]: Start accepts. Automaton has 275714 states and 596051 transitions. Word has length 240 [2019-09-08 16:01:22,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:01:22,347 INFO L475 AbstractCegarLoop]: Abstraction has 275714 states and 596051 transitions. [2019-09-08 16:01:22,347 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-08 16:01:22,347 INFO L276 IsEmpty]: Start isEmpty. Operand 275714 states and 596051 transitions. [2019-09-08 16:01:22,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2019-09-08 16:01:22,351 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:01:22,352 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 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] [2019-09-08 16:01:22,352 INFO L418 AbstractCegarLoop]: === Iteration 20 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:01:22,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:01:22,352 INFO L82 PathProgramCache]: Analyzing trace with hash 686889452, now seen corresponding path program 1 times [2019-09-08 16:01:22,352 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:01:22,352 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:01:22,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:01:22,356 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:01:22,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:01:22,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:01:22,816 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-09-08 16:01:22,816 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 16:01:22,816 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-08 16:01:22,845 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 16:01:23,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:01:23,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 5010 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-08 16:01:23,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 16:01:24,050 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-09-08 16:01:24,064 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 16:01:24,065 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 16 [2019-09-08 16:01:24,066 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-08 16:01:24,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-08 16:01:24,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2019-09-08 16:01:24,066 INFO L87 Difference]: Start difference. First operand 275714 states and 596051 transitions. Second operand 16 states. [2019-09-08 16:02:07,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 16:02:07,169 INFO L93 Difference]: Finished difference Result 554843 states and 1434956 transitions. [2019-09-08 16:02:07,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-08 16:02:07,169 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 240 [2019-09-08 16:02:07,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 16:02:09,722 INFO L225 Difference]: With dead ends: 554843 [2019-09-08 16:02:09,722 INFO L226 Difference]: Without dead ends: 278515 [2019-09-08 16:02:13,427 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 236 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2019-09-08 16:02:13,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278515 states. [2019-09-08 16:02:27,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278515 to 276435. [2019-09-08 16:02:27,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276435 states. [2019-09-08 16:02:33,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276435 states to 276435 states and 597124 transitions. [2019-09-08 16:02:33,439 INFO L78 Accepts]: Start accepts. Automaton has 276435 states and 597124 transitions. Word has length 240 [2019-09-08 16:02:33,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 16:02:33,440 INFO L475 AbstractCegarLoop]: Abstraction has 276435 states and 597124 transitions. [2019-09-08 16:02:33,440 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-08 16:02:33,440 INFO L276 IsEmpty]: Start isEmpty. Operand 276435 states and 597124 transitions. [2019-09-08 16:02:33,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-09-08 16:02:33,443 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 16:02:33,444 INFO L399 BasicCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-08 16:02:33,444 INFO L418 AbstractCegarLoop]: === Iteration 21 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 16:02:33,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 16:02:33,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1866574903, now seen corresponding path program 1 times [2019-09-08 16:02:33,445 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 16:02:33,445 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 16:02:33,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:02:33,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 16:02:33,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 16:02:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 16:02:33,831 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-09-08 16:02:33,832 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 16:02:33,832 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 16:02:33,833 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 16:02:33,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 16:02:33,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 16:02:33,833 INFO L87 Difference]: Start difference. First operand 276435 states and 597124 transitions. Second operand 6 states.