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--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:20:59,101 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:20:59,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:20:59,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:20:59,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:20:59,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:20:59,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:20:59,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:20:59,125 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:20:59,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:20:59,127 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:20:59,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:20:59,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:20:59,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:20:59,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:20:59,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:20:59,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:20:59,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:20:59,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:20:59,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:20:59,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:20:59,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:20:59,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:20:59,144 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:20:59,147 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:20:59,147 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:20:59,148 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:20:59,149 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:20:59,149 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:20:59,150 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:20:59,151 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:20:59,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:20:59,152 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:20:59,153 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:20:59,155 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:20:59,155 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:20:59,156 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:20:59,156 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:20:59,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:20:59,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:20:59,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:20:59,159 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 [2019-09-20 13:20:59,180 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:20:59,180 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:20:59,182 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:20:59,182 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:20:59,182 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:20:59,182 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:20:59,183 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:20:59,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:20:59,183 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:20:59,183 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:20:59,183 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:20:59,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:20:59,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:20:59,184 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:20:59,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:20:59,184 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:20:59,185 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:20:59,185 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:20:59,185 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:20:59,185 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:20:59,186 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:20:59,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:20:59,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:20:59,186 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:20:59,186 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:20:59,187 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:20:59,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:20:59,187 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:20:59,187 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:20:59,217 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:20:59,230 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:20:59,234 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:20:59,235 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:20:59,236 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:20:59,236 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2019-09-20 13:20:59,296 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcfb216f3/91ac99e5852c4c4bae453c751593f486/FLAGa69eb2082 [2019-09-20 13:21:00,208 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:21:00,210 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2019-09-20 13:21:00,257 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcfb216f3/91ac99e5852c4c4bae453c751593f486/FLAGa69eb2082 [2019-09-20 13:21:00,690 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcfb216f3/91ac99e5852c4c4bae453c751593f486 [2019-09-20 13:21:00,702 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:21:00,704 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:21:00,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:21:00,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:21:00,711 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:21:00,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:21:00" (1/1) ... [2019-09-20 13:21:00,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fbf03a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:21:00, skipping insertion in model container [2019-09-20 13:21:00,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:21:00" (1/1) ... [2019-09-20 13:21:00,726 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:21:00,869 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:21:02,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:21:02,855 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:21:03,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:21:03,472 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:21:03,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:21:03 WrapperNode [2019-09-20 13:21:03,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:21:03,474 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:21:03,474 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:21:03,474 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:21:03,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:21:03" (1/1) ... [2019-09-20 13:21:03,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:21:03" (1/1) ... [2019-09-20 13:21:03,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:21:03" (1/1) ... [2019-09-20 13:21:03,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:21:03" (1/1) ... [2019-09-20 13:21:03,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:21:03" (1/1) ... [2019-09-20 13:21:03,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:21:03" (1/1) ... [2019-09-20 13:21:03,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:21:03" (1/1) ... [2019-09-20 13:21:03,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:21:03,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:21:03,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:21:03,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:21:03,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:21:03" (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 [2019-09-20 13:21:03,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:21:03,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:21:03,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-20 13:21:03,850 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-09-20 13:21:03,852 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-20 13:21:03,852 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-20 13:21:03,852 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2019-09-20 13:21:03,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-20 13:21:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-20 13:21:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-20 13:21:03,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-20 13:21:03,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-20 13:21:03,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-20 13:21:03,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-20 13:21:03,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-20 13:21:03,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-20 13:21:03,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-20 13:21:03,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-20 13:21:03,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-20 13:21:03,862 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2019-09-20 13:21:03,862 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2019-09-20 13:21:03,862 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_bchannel_down [2019-09-20 13:21:03,862 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_bchannel_up [2019-09-20 13:21:03,862 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocm_to_gigaset [2019-09-20 13:21:03,863 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_modem_ctrl [2019-09-20 13:21:03,863 INFO L138 BoogieDeclarations]: Found implementation of procedure set_value [2019-09-20 13:21:03,863 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_baud_rate [2019-09-20 13:21:03,863 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_line_ctrl [2019-09-20 13:21:03,863 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_init_bchannel [2019-09-20 13:21:03,863 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_close_bchannel [2019-09-20 13:21:03,864 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_modem_fill [2019-09-20 13:21:03,864 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_read_int_callback [2019-09-20 13:21:03,864 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_bulk_callback [2019-09-20 13:21:03,864 INFO L138 BoogieDeclarations]: Found implementation of procedure send_cb [2019-09-20 13:21:03,864 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_cmd [2019-09-20 13:21:03,864 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_room [2019-09-20 13:21:03,864 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_chars_in_buffer [2019-09-20 13:21:03,865 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_brkchars [2019-09-20 13:21:03,865 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freebcshw [2019-09-20 13:21:03,865 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initbcshw [2019-09-20 13:21:03,865 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_reinitbcshw [2019-09-20 13:21:03,865 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecshw [2019-09-20 13:21:03,865 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcshw [2019-09-20 13:21:03,866 INFO L138 BoogieDeclarations]: Found implementation of procedure write_modem [2019-09-20 13:21:03,866 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_probe [2019-09-20 13:21:03,866 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_disconnect [2019-09-20 13:21:03,866 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_suspend [2019-09-20 13:21:03,867 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_resume [2019-09-20 13:21:03,867 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_pre_reset [2019-09-20 13:21:03,867 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gigaset_init [2019-09-20 13:21:03,867 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gigaset_exit [2019-09-20 13:21:03,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2019-09-20 13:21:03,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_gigaset_ops_1 [2019-09-20 13:21:03,867 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:21:03,868 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-20 13:21:03,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2019-09-20 13:21:03,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_3 [2019-09-20 13:21:03,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_4 [2019-09-20 13:21:03,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_6 [2019-09-20 13:21:03,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_7 [2019-09-20 13:21:03,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_8 [2019-09-20 13:21:03,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_9 [2019-09-20 13:21:03,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_10 [2019-09-20 13:21:03,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_11 [2019-09-20 13:21:03,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_12 [2019-09-20 13:21:03,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_13 [2019-09-20 13:21:03,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_14 [2019-09-20 13:21:03,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_16 [2019-09-20 13:21:03,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_17 [2019-09-20 13:21:03,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_19 [2019-09-20 13:21:03,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_20 [2019-09-20 13:21:03,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_21 [2019-09-20 13:21:03,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_24 [2019-09-20 13:21:03,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_25 [2019-09-20 13:21:03,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_26 [2019-09-20 13:21:03,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-09-20 13:21:03,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2019-09-20 13:21:03,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2019-09-20 13:21:03,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2019-09-20 13:21:03,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2019-09-20 13:21:03,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2019-09-20 13:21:03,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2019-09-20 13:21:03,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2019-09-20 13:21:03,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2019-09-20 13:21:03,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2019-09-20 13:21:03,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2019-09-20 13:21:03,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2019-09-20 13:21:03,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2019-09-20 13:21:03,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2019-09-20 13:21:03,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2019-09-20 13:21:03,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2019-09-20 13:21:03,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 13:21:03,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2019-09-20 13:21:03,877 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-09-20 13:21:03,877 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-20 13:21:03,877 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-20 13:21:03,877 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-20 13:21:03,878 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2019-09-20 13:21:03,878 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2019-09-20 13:21:03,878 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-09-20 13:21:03,878 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2019-09-20 13:21:03,878 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_blockdriver [2019-09-20 13:21:03,878 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2019-09-20 13:21:03,878 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_fill_inbuf [2019-09-20 13:21:03,879 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecs [2019-09-20 13:21:03,879 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freedriver [2019-09-20 13:21:03,879 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcs [2019-09-20 13:21:03,879 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initdriver [2019-09-20 13:21:03,880 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_m10x_input [2019-09-20 13:21:03,880 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_m10x_send_skb [2019-09-20 13:21:03,880 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_shutdown [2019-09-20 13:21:03,880 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_skb_sent [2019-09-20 13:21:03,881 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_start [2019-09-20 13:21:03,881 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_stop [2019-09-20 13:21:03,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 13:21:03,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_1 [2019-09-20 13:21:03,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2019-09-20 13:21:03,882 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-20 13:21:03,882 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2019-09-20 13:21:03,882 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-09-20 13:21:03,882 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2019-09-20 13:21:03,883 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2019-09-20 13:21:03,883 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-09-20 13:21:03,883 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-20 13:21:03,884 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-09-20 13:21:03,884 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-20 13:21:03,884 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 13:21:03,884 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 13:21:03,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-20 13:21:03,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-20 13:21:03,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-20 13:21:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:21:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-20 13:21:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-20 13:21:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-20 13:21:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-09-20 13:21:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-20 13:21:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-20 13:21:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-20 13:21:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-20 13:21:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-20 13:21:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2019-09-20 13:21:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2019-09-20 13:21:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2019-09-20 13:21:03,898 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2019-09-20 13:21:03,899 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-20 13:21:03,899 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-09-20 13:21:03,899 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2019-09-20 13:21:03,899 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-09-20 13:21:03,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_17 [2019-09-20 13:21:03,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_8 [2019-09-20 13:21:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-20 13:21:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_7 [2019-09-20 13:21:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_16 [2019-09-20 13:21:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_21 [2019-09-20 13:21:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-20 13:21:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_25 [2019-09-20 13:21:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-20 13:21:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_26 [2019-09-20 13:21:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_3 [2019-09-20 13:21:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_11 [2019-09-20 13:21:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_9 [2019-09-20 13:21:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_10 [2019-09-20 13:21:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_13 [2019-09-20 13:21:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_14 [2019-09-20 13:21:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_19 [2019-09-20 13:21:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_20 [2019-09-20 13:21:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2019-09-20 13:21:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_4 [2019-09-20 13:21:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_6 [2019-09-20 13:21:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_12 [2019-09-20 13:21:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_24 [2019-09-20 13:21:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-09-20 13:21:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-09-20 13:21:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-20 13:21:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:21:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2019-09-20 13:21:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2019-09-20 13:21:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2019-09-20 13:21:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2019-09-20 13:21:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2019-09-20 13:21:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2019-09-20 13:21:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2019-09-20 13:21:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2019-09-20 13:21:03,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2019-09-20 13:21:03,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2019-09-20 13:21:03,906 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 13:21:03,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-20 13:21:03,906 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-20 13:21:03,906 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-20 13:21:03,906 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:21:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 13:21:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:21:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-20 13:21:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-20 13:21:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 13:21:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:21:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:21:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-20 13:21:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-20 13:21:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-20 13:21:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-20 13:21:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-20 13:21:03,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-20 13:21:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-20 13:21:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-20 13:21:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2019-09-20 13:21:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_gigaset_ops_1 [2019-09-20 13:21:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2019-09-20 13:21:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-09-20 13:21:03,909 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2019-09-20 13:21:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-20 13:21:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:21:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2019-09-20 13:21:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2019-09-20 13:21:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_m10x_send_skb [2019-09-20 13:21:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_m10x_input [2019-09-20 13:21:03,911 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_skb_sent [2019-09-20 13:21:03,911 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initdriver [2019-09-20 13:21:03,911 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freedriver [2019-09-20 13:21:03,911 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_blockdriver [2019-09-20 13:21:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcs [2019-09-20 13:21:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecs [2019-09-20 13:21:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_start [2019-09-20 13:21:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_stop [2019-09-20 13:21:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_shutdown [2019-09-20 13:21:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2019-09-20 13:21:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2019-09-20 13:21:03,913 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_bchannel_down [2019-09-20 13:21:03,913 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_bchannel_up [2019-09-20 13:21:03,913 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_fill_inbuf [2019-09-20 13:21:03,913 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_probe [2019-09-20 13:21:03,913 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_disconnect [2019-09-20 13:21:03,913 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_suspend [2019-09-20 13:21:03,913 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_resume [2019-09-20 13:21:03,913 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_pre_reset [2019-09-20 13:21:03,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:21:03,914 INFO L130 BoogieDeclarations]: Found specification of procedure tiocm_to_gigaset [2019-09-20 13:21:03,914 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_modem_ctrl [2019-09-20 13:21:03,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:21:03,914 INFO L130 BoogieDeclarations]: Found specification of procedure set_value [2019-09-20 13:21:03,914 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_baud_rate [2019-09-20 13:21:03,914 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_line_ctrl [2019-09-20 13:21:03,914 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_init_bchannel [2019-09-20 13:21:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_close_bchannel [2019-09-20 13:21:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure write_modem [2019-09-20 13:21:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure send_cb [2019-09-20 13:21:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_modem_fill [2019-09-20 13:21:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_read_int_callback [2019-09-20 13:21:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_bulk_callback [2019-09-20 13:21:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:21:03,916 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_cmd [2019-09-20 13:21:03,916 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_room [2019-09-20 13:21:03,916 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_chars_in_buffer [2019-09-20 13:21:03,916 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_brkchars [2019-09-20 13:21:03,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:21:03,916 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freebcshw [2019-09-20 13:21:03,916 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initbcshw [2019-09-20 13:21:03,916 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_reinitbcshw [2019-09-20 13:21:03,917 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecshw [2019-09-20 13:21:03,917 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcshw [2019-09-20 13:21:03,917 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gigaset_init [2019-09-20 13:21:03,917 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gigaset_exit [2019-09-20 13:21:03,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_1 [2019-09-20 13:21:03,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2019-09-20 13:21:03,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 13:21:03,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 13:21:03,922 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:21:03,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-20 13:21:03,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-09-20 13:21:03,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2019-09-20 13:21:03,923 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-20 13:21:03,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2019-09-20 13:21:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2019-09-20 13:21:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2019-09-20 13:21:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2019-09-20 13:21:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 13:21:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:21:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:21:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-20 13:21:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:21:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:21:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:21:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-20 13:21:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-20 13:21:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-20 13:21:05,205 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-20 13:21:09,558 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-09-20 13:21:10,659 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:21:10,660 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 13:21:10,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:21:10 BoogieIcfgContainer [2019-09-20 13:21:10,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:21:10,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:21:10,664 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:21:10,667 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:21:10,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:21:00" (1/3) ... [2019-09-20 13:21:10,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f093438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:21:10, skipping insertion in model container [2019-09-20 13:21:10,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:21:03" (2/3) ... [2019-09-20 13:21:10,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f093438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:21:10, skipping insertion in model container [2019-09-20 13:21:10,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:21:10" (3/3) ... [2019-09-20 13:21:10,674 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2019-09-20 13:21:10,684 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:21:10,695 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:21:10,711 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:21:10,751 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:21:10,752 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:21:10,752 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:21:10,752 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:21:10,752 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:21:10,753 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:21:10,753 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:21:10,753 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:21:10,753 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:21:10,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states. [2019-09-20 13:21:10,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-09-20 13:21:10,820 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:10,821 INFO L407 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:21:10,823 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:10,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:10,829 INFO L82 PathProgramCache]: Analyzing trace with hash 943132148, now seen corresponding path program 1 times [2019-09-20 13:21:10,831 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:10,831 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:10,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:10,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:10,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:11,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:11,652 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-09-20 13:21:11,655 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:11,655 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:21:11,659 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:21:11,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:21:11,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:11,680 INFO L87 Difference]: Start difference. First operand 1109 states. Second operand 3 states. [2019-09-20 13:21:11,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:11,982 INFO L93 Difference]: Finished difference Result 2705 states and 3644 transitions. [2019-09-20 13:21:11,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:21:11,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2019-09-20 13:21:11,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:12,031 INFO L225 Difference]: With dead ends: 2705 [2019-09-20 13:21:12,031 INFO L226 Difference]: Without dead ends: 1780 [2019-09-20 13:21:12,045 INFO L636 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 [2019-09-20 13:21:12,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1780 states. [2019-09-20 13:21:12,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1780 to 1770. [2019-09-20 13:21:12,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1770 states. [2019-09-20 13:21:12,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1770 states to 1770 states and 2354 transitions. [2019-09-20 13:21:12,327 INFO L78 Accepts]: Start accepts. Automaton has 1770 states and 2354 transitions. Word has length 76 [2019-09-20 13:21:12,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:12,328 INFO L475 AbstractCegarLoop]: Abstraction has 1770 states and 2354 transitions. [2019-09-20 13:21:12,328 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:21:12,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 2354 transitions. [2019-09-20 13:21:12,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-09-20 13:21:12,346 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:12,347 INFO L407 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:21:12,347 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:12,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:12,347 INFO L82 PathProgramCache]: Analyzing trace with hash -828302111, now seen corresponding path program 1 times [2019-09-20 13:21:12,348 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:12,348 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:12,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:12,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:12,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:12,710 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-09-20 13:21:12,711 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:12,711 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:21:12,713 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:21:12,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:21:12,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:12,714 INFO L87 Difference]: Start difference. First operand 1770 states and 2354 transitions. Second operand 3 states. [2019-09-20 13:21:12,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:12,881 INFO L93 Difference]: Finished difference Result 5255 states and 7148 transitions. [2019-09-20 13:21:12,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:21:12,881 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2019-09-20 13:21:12,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:12,903 INFO L225 Difference]: With dead ends: 5255 [2019-09-20 13:21:12,904 INFO L226 Difference]: Without dead ends: 3510 [2019-09-20 13:21:12,912 INFO L636 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 [2019-09-20 13:21:12,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3510 states. [2019-09-20 13:21:13,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3510 to 3501. [2019-09-20 13:21:13,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3501 states. [2019-09-20 13:21:13,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3501 states to 3501 states and 4715 transitions. [2019-09-20 13:21:13,087 INFO L78 Accepts]: Start accepts. Automaton has 3501 states and 4715 transitions. Word has length 77 [2019-09-20 13:21:13,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:13,088 INFO L475 AbstractCegarLoop]: Abstraction has 3501 states and 4715 transitions. [2019-09-20 13:21:13,088 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:21:13,088 INFO L276 IsEmpty]: Start isEmpty. Operand 3501 states and 4715 transitions. [2019-09-20 13:21:13,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-09-20 13:21:13,092 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:13,092 INFO L407 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:21:13,092 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:13,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:13,093 INFO L82 PathProgramCache]: Analyzing trace with hash 91815575, now seen corresponding path program 1 times [2019-09-20 13:21:13,093 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:13,093 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:13,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:13,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:13,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:13,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:13,285 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-09-20 13:21:13,285 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:13,286 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:21:13,286 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:21:13,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:21:13,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:13,287 INFO L87 Difference]: Start difference. First operand 3501 states and 4715 transitions. Second operand 3 states. [2019-09-20 13:21:13,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:13,490 INFO L93 Difference]: Finished difference Result 3508 states and 4721 transitions. [2019-09-20 13:21:13,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:21:13,490 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2019-09-20 13:21:13,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:13,512 INFO L225 Difference]: With dead ends: 3508 [2019-09-20 13:21:13,512 INFO L226 Difference]: Without dead ends: 3505 [2019-09-20 13:21:13,514 INFO L636 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 [2019-09-20 13:21:13,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3505 states. [2019-09-20 13:21:13,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3505 to 3502. [2019-09-20 13:21:13,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3502 states. [2019-09-20 13:21:13,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3502 states to 3502 states and 4716 transitions. [2019-09-20 13:21:13,669 INFO L78 Accepts]: Start accepts. Automaton has 3502 states and 4716 transitions. Word has length 78 [2019-09-20 13:21:13,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:13,670 INFO L475 AbstractCegarLoop]: Abstraction has 3502 states and 4716 transitions. [2019-09-20 13:21:13,670 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:21:13,670 INFO L276 IsEmpty]: Start isEmpty. Operand 3502 states and 4716 transitions. [2019-09-20 13:21:13,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-20 13:21:13,673 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:13,673 INFO L407 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:21:13,674 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:13,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:13,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1449302364, now seen corresponding path program 1 times [2019-09-20 13:21:13,674 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:13,675 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:13,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:13,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:13,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:13,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:13,852 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-09-20 13:21:13,853 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:13,853 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:21:13,853 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:21:13,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:21:13,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:13,854 INFO L87 Difference]: Start difference. First operand 3502 states and 4716 transitions. Second operand 3 states. [2019-09-20 13:21:13,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:13,963 INFO L93 Difference]: Finished difference Result 3504 states and 4717 transitions. [2019-09-20 13:21:13,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:21:13,964 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2019-09-20 13:21:13,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:13,992 INFO L225 Difference]: With dead ends: 3504 [2019-09-20 13:21:13,992 INFO L226 Difference]: Without dead ends: 3501 [2019-09-20 13:21:13,995 INFO L636 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 [2019-09-20 13:21:14,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3501 states. [2019-09-20 13:21:14,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3501 to 3501. [2019-09-20 13:21:14,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3501 states. [2019-09-20 13:21:14,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3501 states to 3501 states and 4714 transitions. [2019-09-20 13:21:14,164 INFO L78 Accepts]: Start accepts. Automaton has 3501 states and 4714 transitions. Word has length 79 [2019-09-20 13:21:14,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:14,165 INFO L475 AbstractCegarLoop]: Abstraction has 3501 states and 4714 transitions. [2019-09-20 13:21:14,165 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:21:14,165 INFO L276 IsEmpty]: Start isEmpty. Operand 3501 states and 4714 transitions. [2019-09-20 13:21:14,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-09-20 13:21:14,169 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:14,169 INFO L407 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:21:14,169 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:14,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:14,169 INFO L82 PathProgramCache]: Analyzing trace with hash -1979313350, now seen corresponding path program 1 times [2019-09-20 13:21:14,170 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:14,170 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:14,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:14,181 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:14,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:14,365 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-09-20 13:21:14,366 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:14,366 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:21:14,367 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:21:14,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:21:14,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:14,368 INFO L87 Difference]: Start difference. First operand 3501 states and 4714 transitions. Second operand 3 states. [2019-09-20 13:21:14,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:14,473 INFO L93 Difference]: Finished difference Result 3503 states and 4715 transitions. [2019-09-20 13:21:14,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:21:14,474 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2019-09-20 13:21:14,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:14,498 INFO L225 Difference]: With dead ends: 3503 [2019-09-20 13:21:14,499 INFO L226 Difference]: Without dead ends: 3465 [2019-09-20 13:21:14,502 INFO L636 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 [2019-09-20 13:21:14,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3465 states. [2019-09-20 13:21:14,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3465 to 3465. [2019-09-20 13:21:14,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3465 states. [2019-09-20 13:21:14,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3465 states to 3465 states and 4672 transitions. [2019-09-20 13:21:14,751 INFO L78 Accepts]: Start accepts. Automaton has 3465 states and 4672 transitions. Word has length 80 [2019-09-20 13:21:14,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:14,751 INFO L475 AbstractCegarLoop]: Abstraction has 3465 states and 4672 transitions. [2019-09-20 13:21:14,751 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:21:14,752 INFO L276 IsEmpty]: Start isEmpty. Operand 3465 states and 4672 transitions. [2019-09-20 13:21:14,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-09-20 13:21:14,764 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:14,764 INFO L407 BasicCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:21:14,764 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:14,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:14,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1822522790, now seen corresponding path program 1 times [2019-09-20 13:21:14,765 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:14,765 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:14,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:14,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:14,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:15,011 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2019-09-20 13:21:15,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:15,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:21:15,012 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:21:15,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:21:15,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:15,013 INFO L87 Difference]: Start difference. First operand 3465 states and 4672 transitions. Second operand 3 states. [2019-09-20 13:21:15,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:15,329 INFO L93 Difference]: Finished difference Result 8772 states and 11776 transitions. [2019-09-20 13:21:15,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:21:15,330 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 234 [2019-09-20 13:21:15,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:15,370 INFO L225 Difference]: With dead ends: 8772 [2019-09-20 13:21:15,374 INFO L226 Difference]: Without dead ends: 5332 [2019-09-20 13:21:15,397 INFO L636 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 [2019-09-20 13:21:15,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5332 states. [2019-09-20 13:21:15,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5332 to 5225. [2019-09-20 13:21:15,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5225 states. [2019-09-20 13:21:15,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5225 states to 5225 states and 7010 transitions. [2019-09-20 13:21:15,670 INFO L78 Accepts]: Start accepts. Automaton has 5225 states and 7010 transitions. Word has length 234 [2019-09-20 13:21:15,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:15,672 INFO L475 AbstractCegarLoop]: Abstraction has 5225 states and 7010 transitions. [2019-09-20 13:21:15,672 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:21:15,672 INFO L276 IsEmpty]: Start isEmpty. Operand 5225 states and 7010 transitions. [2019-09-20 13:21:15,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2019-09-20 13:21:15,690 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:15,690 INFO L407 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:21:15,691 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:15,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:15,691 INFO L82 PathProgramCache]: Analyzing trace with hash -2116558061, now seen corresponding path program 1 times [2019-09-20 13:21:15,691 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:15,691 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:15,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:15,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:15,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:15,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:16,019 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2019-09-20 13:21:16,020 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:21:16,020 INFO L224 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 [2019-09-20 13:21:16,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:16,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:16,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 3060 conjuncts, 2 conjunts are in the unsatisfiable core [2019-09-20 13:21:16,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:21:17,040 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2019-09-20 13:21:17,059 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:21:17,061 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2019-09-20 13:21:17,062 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:21:17,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:21:17,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:21:17,063 INFO L87 Difference]: Start difference. First operand 5225 states and 7010 transitions. Second operand 6 states. [2019-09-20 13:21:17,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:17,444 INFO L93 Difference]: Finished difference Result 10466 states and 14065 transitions. [2019-09-20 13:21:17,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:21:17,444 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 281 [2019-09-20 13:21:17,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:17,494 INFO L225 Difference]: With dead ends: 10466 [2019-09-20 13:21:17,494 INFO L226 Difference]: Without dead ends: 5266 [2019-09-20 13:21:17,516 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:21:17,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5266 states. [2019-09-20 13:21:17,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5266 to 5251. [2019-09-20 13:21:17,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5251 states. [2019-09-20 13:21:17,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5251 states to 5251 states and 7040 transitions. [2019-09-20 13:21:17,805 INFO L78 Accepts]: Start accepts. Automaton has 5251 states and 7040 transitions. Word has length 281 [2019-09-20 13:21:17,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:17,806 INFO L475 AbstractCegarLoop]: Abstraction has 5251 states and 7040 transitions. [2019-09-20 13:21:17,806 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:21:17,806 INFO L276 IsEmpty]: Start isEmpty. Operand 5251 states and 7040 transitions. [2019-09-20 13:21:17,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2019-09-20 13:21:17,827 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:17,827 INFO L407 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:21:17,828 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:17,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:17,828 INFO L82 PathProgramCache]: Analyzing trace with hash -731821711, now seen corresponding path program 1 times [2019-09-20 13:21:17,828 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:17,828 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:18,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:18,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:18,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:18,687 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2019-09-20 13:21:18,687 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:21:18,687 INFO L224 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 [2019-09-20 13:21:18,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:19,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:19,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 3069 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-20 13:21:19,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:21:19,674 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (3)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:21:19,696 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:21:19,697 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2019-09-20 13:21:19,700 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:21:19,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:21:19,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:21:19,701 INFO L87 Difference]: Start difference. First operand 5251 states and 7040 transitions. Second operand 4 states. [2019-09-20 13:21:23,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:23,734 INFO L93 Difference]: Finished difference Result 15463 states and 20804 transitions. [2019-09-20 13:21:23,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-20 13:21:23,735 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 283 [2019-09-20 13:21:23,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:23,796 INFO L225 Difference]: With dead ends: 15463 [2019-09-20 13:21:23,796 INFO L226 Difference]: Without dead ends: 10235 [2019-09-20 13:21:23,822 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:21:23,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10235 states. [2019-09-20 13:21:24,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10235 to 9790. [2019-09-20 13:21:24,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9790 states. [2019-09-20 13:21:24,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9790 states to 9790 states and 13179 transitions. [2019-09-20 13:21:24,396 INFO L78 Accepts]: Start accepts. Automaton has 9790 states and 13179 transitions. Word has length 283 [2019-09-20 13:21:24,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:24,397 INFO L475 AbstractCegarLoop]: Abstraction has 9790 states and 13179 transitions. [2019-09-20 13:21:24,397 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:21:24,397 INFO L276 IsEmpty]: Start isEmpty. Operand 9790 states and 13179 transitions. [2019-09-20 13:21:24,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2019-09-20 13:21:24,425 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:24,426 INFO L407 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:21:24,426 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:24,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:24,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1116298282, now seen corresponding path program 1 times [2019-09-20 13:21:24,427 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:24,427 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:24,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:24,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:24,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:24,771 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-09-20 13:21:24,772 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:24,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:21:24,774 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:21:24,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:21:24,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:21:24,775 INFO L87 Difference]: Start difference. First operand 9790 states and 13179 transitions. Second operand 3 states. [2019-09-20 13:21:26,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:26,881 INFO L93 Difference]: Finished difference Result 19563 states and 26385 transitions. [2019-09-20 13:21:26,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:21:26,882 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 297 [2019-09-20 13:21:26,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:26,924 INFO L225 Difference]: With dead ends: 19563 [2019-09-20 13:21:26,924 INFO L226 Difference]: Without dead ends: 9368 [2019-09-20 13:21:26,962 INFO L636 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 [2019-09-20 13:21:26,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9368 states. [2019-09-20 13:21:27,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9368 to 4936. [2019-09-20 13:21:27,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4936 states. [2019-09-20 13:21:27,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4936 states to 4936 states and 6642 transitions. [2019-09-20 13:21:27,272 INFO L78 Accepts]: Start accepts. Automaton has 4936 states and 6642 transitions. Word has length 297 [2019-09-20 13:21:27,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:27,274 INFO L475 AbstractCegarLoop]: Abstraction has 4936 states and 6642 transitions. [2019-09-20 13:21:27,274 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:21:27,274 INFO L276 IsEmpty]: Start isEmpty. Operand 4936 states and 6642 transitions. [2019-09-20 13:21:27,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2019-09-20 13:21:27,292 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:27,292 INFO L407 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:21:27,293 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:27,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:27,293 INFO L82 PathProgramCache]: Analyzing trace with hash -1152865943, now seen corresponding path program 1 times [2019-09-20 13:21:27,293 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:27,293 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:27,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:27,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:27,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:27,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:21:27,760 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2019-09-20 13:21:27,760 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:21:27,760 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:21:27,761 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:21:27,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:21:27,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:21:27,762 INFO L87 Difference]: Start difference. First operand 4936 states and 6642 transitions. Second operand 6 states. [2019-09-20 13:21:30,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:21:30,237 INFO L93 Difference]: Finished difference Result 13982 states and 18906 transitions. [2019-09-20 13:21:30,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-20 13:21:30,237 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 302 [2019-09-20 13:21:30,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:21:30,279 INFO L225 Difference]: With dead ends: 13982 [2019-09-20 13:21:30,280 INFO L226 Difference]: Without dead ends: 9547 [2019-09-20 13:21:30,299 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:21:30,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9547 states. [2019-09-20 13:21:30,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9547 to 5028. [2019-09-20 13:21:30,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5028 states. [2019-09-20 13:21:30,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5028 states to 5028 states and 6784 transitions. [2019-09-20 13:21:30,635 INFO L78 Accepts]: Start accepts. Automaton has 5028 states and 6784 transitions. Word has length 302 [2019-09-20 13:21:30,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:21:30,636 INFO L475 AbstractCegarLoop]: Abstraction has 5028 states and 6784 transitions. [2019-09-20 13:21:30,636 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:21:30,637 INFO L276 IsEmpty]: Start isEmpty. Operand 5028 states and 6784 transitions. [2019-09-20 13:21:30,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2019-09-20 13:21:30,651 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:21:30,651 INFO L407 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:21:30,652 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:21:30,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:21:30,652 INFO L82 PathProgramCache]: Analyzing trace with hash 2112742055, now seen corresponding path program 1 times [2019-09-20 13:21:30,652 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:21:30,653 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:21:30,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:30,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:21:30,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:21:30,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat