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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:44:39,447 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:44:39,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:44:39,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:44:39,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:44:39,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:44:39,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:44:39,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:44:39,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:44:39,468 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:44:39,469 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:44:39,470 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:44:39,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:44:39,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:44:39,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:44:39,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:44:39,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:44:39,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:44:39,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:44:39,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:44:39,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:44:39,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:44:39,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:44:39,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:44:39,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:44:39,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:44:39,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:44:39,487 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:44:39,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:44:39,488 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:44:39,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:44:39,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:44:39,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:44:39,491 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:44:39,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:44:39,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:44:39,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:44:39,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:44:39,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:44:39,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:44:39,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:44:39,495 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-20 13:44:39,510 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:44:39,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:44:39,511 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:44:39,511 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:44:39,511 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:44:39,512 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:44:39,512 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:44:39,512 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:44:39,512 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:44:39,513 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:44:39,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:44:39,513 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:44:39,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:44:39,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:44:39,514 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:44:39,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:44:39,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:44:39,515 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:44:39,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:44:39,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:44:39,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:44:39,515 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:44:39,516 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:44:39,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:44:39,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:44:39,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:44:39,517 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:44:39,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:44:39,517 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:44:39,517 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:44:39,545 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:44:39,557 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:44:39,560 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:44:39,562 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:44:39,562 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:44:39,563 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i [2019-09-20 13:44:39,625 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9edd4952/779ec99a2c314103b485b5812f620d5a/FLAG80e758f9b [2019-09-20 13:44:40,390 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:44:40,391 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i [2019-09-20 13:44:40,436 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9edd4952/779ec99a2c314103b485b5812f620d5a/FLAG80e758f9b [2019-09-20 13:44:40,938 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9edd4952/779ec99a2c314103b485b5812f620d5a [2019-09-20 13:44:40,947 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:44:40,948 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:44:40,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:44:40,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:44:40,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:44:40,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:44:40" (1/1) ... [2019-09-20 13:44:40,957 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15d96976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:40, skipping insertion in model container [2019-09-20 13:44:40,957 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:44:40" (1/1) ... [2019-09-20 13:44:40,965 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:44:41,092 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:44:43,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:44:43,149 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:44:43,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:44:43,846 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:44:43,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:43 WrapperNode [2019-09-20 13:44:43,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:44:43,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:44:43,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:44:43,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:44:43,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:43" (1/1) ... [2019-09-20 13:44:43,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:43" (1/1) ... [2019-09-20 13:44:43,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:43" (1/1) ... [2019-09-20 13:44:43,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:43" (1/1) ... [2019-09-20 13:44:44,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:43" (1/1) ... [2019-09-20 13:44:44,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:43" (1/1) ... [2019-09-20 13:44:44,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:43" (1/1) ... [2019-09-20 13:44:44,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:44:44,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:44:44,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:44:44,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:44:44,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:43" (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 13:44:44,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:44:44,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:44:44,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-09-20 13:44:44,316 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-09-20 13:44:44,316 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-09-20 13:44:44,317 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-09-20 13:44:44,317 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-09-20 13:44:44,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_set [2019-09-20 13:44:44,317 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-09-20 13:44:44,317 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-09-20 13:44:44,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-20 13:44:44,320 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-20 13:44:44,320 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-20 13:44:44,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-20 13:44:44,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-20 13:44:44,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-09-20 13:44:44,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-09-20 13:44:44,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-20 13:44:44,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-20 13:44:44,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-20 13:44:44,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-20 13:44:44,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-20 13:44:44,323 INFO L138 BoogieDeclarations]: Found implementation of procedure freezing [2019-09-20 13:44:44,323 INFO L138 BoogieDeclarations]: Found implementation of procedure try_to_freeze_unsafe [2019-09-20 13:44:44,324 INFO L138 BoogieDeclarations]: Found implementation of procedure try_to_freeze [2019-09-20 13:44:44,324 INFO L138 BoogieDeclarations]: Found implementation of procedure freezer_do_not_count [2019-09-20 13:44:44,324 INFO L138 BoogieDeclarations]: Found implementation of procedure freezer_count [2019-09-20 13:44:44,325 INFO L138 BoogieDeclarations]: Found implementation of procedure freezable_schedule_hrtimeout_range [2019-09-20 13:44:44,325 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-20 13:44:44,325 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-20 13:44:44,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2019-09-20 13:44:44,325 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_coherent_mask [2019-09-20 13:44:44,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-09-20 13:44:44,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-09-20 13:44:44,326 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_adapdata [2019-09-20 13:44:44,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_demod_write [2019-09-20 13:44:44,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_lnb_ctrl [2019-09-20 13:44:44,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_find_adapter [2019-09-20 13:44:44,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_set_tuner_power [2019-09-20 13:44:44,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_set_lna [2019-09-20 13:44:44,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_set_voltage [2019-09-20 13:44:44,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_fe_init [2019-09-20 13:44:44,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_attach_fe [2019-09-20 13:44:44,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_fetch_thread [2019-09-20 13:44:44,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_start_streaming [2019-09-20 13:44:44,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_stop_streaming [2019-09-20 13:44:44,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_start_feed [2019-09-20 13:44:44,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_stop_feed [2019-09-20 13:44:44,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_alloc_adapter [2019-09-20 13:44:44,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_cleanup_adapter [2019-09-20 13:44:44,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_suspend [2019-09-20 13:44:44,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_resume [2019-09-20 13:44:44,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_remove [2019-09-20 13:44:44,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_probe [2019-09-20 13:44:44,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_driver_init [2019-09-20 13:44:44,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_driver_exit [2019-09-20 13:44:44,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_i2c_algorithm_3 [2019-09-20 13:44:44,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_pm_ops_2 [2019-09-20 13:44:44,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_1 [2019-09-20 13:44:44,330 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:44:44,330 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-09-20 13:44:44,330 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-09-20 13:44:44,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_5 [2019-09-20 13:44:44,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_6 [2019-09-20 13:44:44,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_7 [2019-09-20 13:44:44,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_8 [2019-09-20 13:44:44,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_9 [2019-09-20 13:44:44,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_10 [2019-09-20 13:44:44,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_11 [2019-09-20 13:44:44,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_12 [2019-09-20 13:44:44,332 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2019-09-20 13:44:44,333 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2019-09-20 13:44:44,333 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_adapdata [2019-09-20 13:44:44,334 INFO L138 BoogieDeclarations]: Found implementation of procedure cmdbuf_add [2019-09-20 13:44:44,334 INFO L138 BoogieDeclarations]: Found implementation of procedure put_end [2019-09-20 13:44:44,334 INFO L138 BoogieDeclarations]: Found implementation of procedure put_start [2019-09-20 13:44:44,334 INFO L138 BoogieDeclarations]: Found implementation of procedure put_byte_write [2019-09-20 13:44:44,334 INFO L138 BoogieDeclarations]: Found implementation of procedure put_byte_read [2019-09-20 13:44:44,334 INFO L138 BoogieDeclarations]: Found implementation of procedure put_stop [2019-09-20 13:44:44,335 INFO L138 BoogieDeclarations]: Found implementation of procedure translate [2019-09-20 13:44:44,335 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_i2c_result [2019-09-20 13:44:44,335 INFO L138 BoogieDeclarations]: Found implementation of procedure send_i2c_cmd [2019-09-20 13:44:44,335 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_init_all_demods [2019-09-20 13:44:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_init_all_mxl301rf [2019-09-20 13:44:44,336 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_i2c_reset [2019-09-20 13:44:44,337 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_i2c_master_xfer [2019-09-20 13:44:44,337 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_i2c_functionality [2019-09-20 13:44:44,337 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_base [2019-09-20 13:44:44,337 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_stop_dma [2019-09-20 13:44:44,338 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_start_dma [2019-09-20 13:44:44,338 INFO L138 BoogieDeclarations]: Found implementation of procedure next_unit [2019-09-20 13:44:44,338 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_proc_dma [2019-09-20 13:44:44,338 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_init_dmabuf [2019-09-20 13:44:44,338 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_free_dmabuf [2019-09-20 13:44:44,338 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_alloc_dmabuf [2019-09-20 13:44:44,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-20 13:44:44,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-20 13:44:44,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-20 13:44:44,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-20 13:44:44,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-20 13:44:44,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-09-20 13:44:44,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-09-20 13:44:44,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-09-20 13:44:44,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-09-20 13:44:44,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-09-20 13:44:44,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 13:44:44,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-09-20 13:44:44,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-09-20 13:44:44,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-20 13:44:44,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-09-20 13:44:44,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __refrigerator [2019-09-20 13:44:44,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-09-20 13:44:44,341 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-09-20 13:44:44,341 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_check_no_locks_held [2019-09-20 13:44:44,341 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-20 13:44:44,342 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-09-20 13:44:44,342 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-09-20 13:44:44,343 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-09-20 13:44:44,343 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2019-09-20 13:44:44,343 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_supported [2019-09-20 13:44:44,343 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_init [2019-09-20 13:44:44,343 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2019-09-20 13:44:44,344 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_swfilter_packets [2019-09-20 13:44:44,344 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_init [2019-09-20 13:44:44,345 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2019-09-20 13:44:44,345 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_frontend_resume [2019-09-20 13:44:44,345 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_frontend_suspend [2019-09-20 13:44:44,345 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_adapter [2019-09-20 13:44:44,345 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_frontend [2019-09-20 13:44:44,345 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2019-09-20 13:44:44,346 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_frontend [2019-09-20 13:44:44,346 INFO L138 BoogieDeclarations]: Found implementation of procedure freezing_slow_path [2019-09-20 13:44:44,346 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_add_adapter [2019-09-20 13:44:44,346 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2019-09-20 13:44:44,346 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_new_device [2019-09-20 13:44:44,346 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2019-09-20 13:44:44,347 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2019-09-20 13:44:44,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2019-09-20 13:44:44,347 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2019-09-20 13:44:44,351 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_create_on_node [2019-09-20 13:44:44,351 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_freezable_should_stop [2019-09-20 13:44:44,352 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2019-09-20 13:44:44,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_complete_2 [2019-09-20 13:44:44,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_freeze_late_2 [2019-09-20 13:44:44,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_freeze_noirq_2 [2019-09-20 13:44:44,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 13:44:44,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_poweroff_late_2 [2019-09-20 13:44:44,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_poweroff_noirq_2 [2019-09-20 13:44:44,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_prepare_2 [2019-09-20 13:44:44,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_restore_early_2 [2019-09-20 13:44:44,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_restore_noirq_2 [2019-09-20 13:44:44,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_2 [2019-09-20 13:44:44,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_noirq_2 [2019-09-20 13:44:44,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_1 [2019-09-20 13:44:44,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_suspend_late_2 [2019-09-20 13:44:44,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_suspend_noirq_2 [2019-09-20 13:44:44,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thaw_early_2 [2019-09-20 13:44:44,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thaw_noirq_2 [2019-09-20 13:44:44,361 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-09-20 13:44:44,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2019-09-20 13:44:44,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-20 13:44:44,361 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_byte [2019-09-20 13:44:44,361 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-09-20 13:44:44,361 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-09-20 13:44:44,362 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_ioremap_bar [2019-09-20 13:44:44,362 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2019-09-20 13:44:44,362 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-09-20 13:44:44,362 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2019-09-20 13:44:44,362 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-09-20 13:44:44,362 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-09-20 13:44:44,362 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_hrtimeout_range [2019-09-20 13:44:44,362 INFO L138 BoogieDeclarations]: Found implementation of procedure set_freezable [2019-09-20 13:44:44,363 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-09-20 13:44:44,363 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2019-09-20 13:44:44,363 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2019-09-20 13:44:44,363 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 13:44:44,363 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 13:44:44,363 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-20 13:44:44,364 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-20 13:44:44,364 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-20 13:44:44,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:44:44,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-20 13:44:44,364 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-09-20 13:44:44,364 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-09-20 13:44:44,364 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-09-20 13:44:44,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-20 13:44:44,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-20 13:44:44,365 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-20 13:44:44,365 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-09-20 13:44:44,365 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-20 13:44:44,365 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-09-20 13:44:44,365 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2019-09-20 13:44:44,365 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-09-20 13:44:44,365 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-09-20 13:44:44,366 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-09-20 13:44:44,366 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-09-20 13:44:44,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:44:44,366 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-09-20 13:44:44,366 INFO L130 BoogieDeclarations]: Found specification of procedure debug_check_no_locks_held [2019-09-20 13:44:44,366 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-20 13:44:44,366 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2019-09-20 13:44:44,366 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-20 13:44:44,367 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_set [2019-09-20 13:44:44,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:44:44,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:44:44,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:44:44,367 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2019-09-20 13:44:44,367 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2019-09-20 13:44:44,367 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2019-09-20 13:44:44,367 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-09-20 13:44:44,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_5 [2019-09-20 13:44:44,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_6 [2019-09-20 13:44:44,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_7 [2019-09-20 13:44:44,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_8 [2019-09-20 13:44:44,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_9 [2019-09-20 13:44:44,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_10 [2019-09-20 13:44:44,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-09-20 13:44:44,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-09-20 13:44:44,369 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_hrtimeout_range [2019-09-20 13:44:44,369 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2019-09-20 13:44:44,369 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-09-20 13:44:44,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:44:44,369 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-09-20 13:44:44,369 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 13:44:44,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-20 13:44:44,370 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-20 13:44:44,370 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-20 13:44:44,370 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-20 13:44:44,370 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:44:44,370 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 13:44:44,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:44:44,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-20 13:44:44,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 13:44:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:44:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:44:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-20 13:44:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-20 13:44:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-09-20 13:44:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-09-20 13:44:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-20 13:44:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-20 13:44:44,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-20 13:44:44,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-20 13:44:44,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-20 13:44:44,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_i2c_algorithm_3 [2019-09-20 13:44:44,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_pm_ops_2 [2019-09-20 13:44:44,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_1 [2019-09-20 13:44:44,372 INFO L130 BoogieDeclarations]: Found specification of procedure freezing_slow_path [2019-09-20 13:44:44,372 INFO L130 BoogieDeclarations]: Found specification of procedure freezing [2019-09-20 13:44:44,373 INFO L130 BoogieDeclarations]: Found specification of procedure __refrigerator [2019-09-20 13:44:44,373 INFO L130 BoogieDeclarations]: Found specification of procedure try_to_freeze_unsafe [2019-09-20 13:44:44,373 INFO L130 BoogieDeclarations]: Found specification of procedure try_to_freeze [2019-09-20 13:44:44,373 INFO L130 BoogieDeclarations]: Found specification of procedure set_freezable [2019-09-20 13:44:44,373 INFO L130 BoogieDeclarations]: Found specification of procedure freezer_do_not_count [2019-09-20 13:44:44,373 INFO L130 BoogieDeclarations]: Found specification of procedure freezer_count [2019-09-20 13:44:44,373 INFO L130 BoogieDeclarations]: Found specification of procedure freezable_schedule_hrtimeout_range [2019-09-20 13:44:44,373 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_create_on_node [2019-09-20 13:44:44,374 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2019-09-20 13:44:44,374 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_freezable_should_stop [2019-09-20 13:44:44,374 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-20 13:44:44,374 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-20 13:44:44,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:44:44,374 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-20 13:44:44,374 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-09-20 13:44:44,374 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-09-20 13:44:44,375 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_byte [2019-09-20 13:44:44,379 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2019-09-20 13:44:44,379 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-09-20 13:44:44,379 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-09-20 13:44:44,379 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-09-20 13:44:44,379 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2019-09-20 13:44:44,382 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-09-20 13:44:44,382 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-09-20 13:44:44,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_11 [2019-09-20 13:44:44,383 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-09-20 13:44:44,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_12 [2019-09-20 13:44:44,383 INFO L130 BoogieDeclarations]: Found specification of procedure dma_supported [2019-09-20 13:44:44,383 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2019-09-20 13:44:44,383 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_coherent_mask [2019-09-20 13:44:44,384 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-09-20 13:44:44,384 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-09-20 13:44:44,384 INFO L130 BoogieDeclarations]: Found specification of procedure pci_ioremap_bar [2019-09-20 13:44:44,384 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_adapter [2019-09-20 13:44:44,384 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2019-09-20 13:44:44,384 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_init [2019-09-20 13:44:44,384 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2019-09-20 13:44:44,384 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_init [2019-09-20 13:44:44,384 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2019-09-20 13:44:44,385 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2019-09-20 13:44:44,385 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_new_device [2019-09-20 13:44:44,385 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2019-09-20 13:44:44,385 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_adapdata [2019-09-20 13:44:44,385 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_add_adapter [2019-09-20 13:44:44,385 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2019-09-20 13:44:44,385 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2019-09-20 13:44:44,385 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_frontend [2019-09-20 13:44:44,385 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_frontend [2019-09-20 13:44:44,385 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_frontend_suspend [2019-09-20 13:44:44,386 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_frontend_resume [2019-09-20 13:44:44,386 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_alloc_dmabuf [2019-09-20 13:44:44,386 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_init_dmabuf [2019-09-20 13:44:44,386 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_free_dmabuf [2019-09-20 13:44:44,386 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_start_dma [2019-09-20 13:44:44,386 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_stop_dma [2019-09-20 13:44:44,386 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_proc_dma [2019-09-20 13:44:44,386 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_i2c_master_xfer [2019-09-20 13:44:44,386 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_i2c_functionality [2019-09-20 13:44:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_i2c_reset [2019-09-20 13:44:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_init_all_demods [2019-09-20 13:44:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_init_all_mxl301rf [2019-09-20 13:44:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_demod_write [2019-09-20 13:44:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_lnb_ctrl [2019-09-20 13:44:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_find_adapter [2019-09-20 13:44:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_set_tuner_power [2019-09-20 13:44:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_set_lna [2019-09-20 13:44:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_set_voltage [2019-09-20 13:44:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_fe_init [2019-09-20 13:44:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-09-20 13:44:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_attach_fe [2019-09-20 13:44:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_fetch_thread [2019-09-20 13:44:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_start_streaming [2019-09-20 13:44:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_stop_streaming [2019-09-20 13:44:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_start_feed [2019-09-20 13:44:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_stop_feed [2019-09-20 13:44:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_alloc_adapter [2019-09-20 13:44:44,389 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_cleanup_adapter [2019-09-20 13:44:44,389 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_suspend [2019-09-20 13:44:44,389 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_resume [2019-09-20 13:44:44,389 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_remove [2019-09-20 13:44:44,389 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_probe [2019-09-20 13:44:44,389 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_driver_init [2019-09-20 13:44:44,389 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_driver_exit [2019-09-20 13:44:44,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_late_2 [2019-09-20 13:44:44,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_restore_noirq_2 [2019-09-20 13:44:44,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_1 [2019-09-20 13:44:44,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_freeze_late_2 [2019-09-20 13:44:44,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_complete_2 [2019-09-20 13:44:44,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 13:44:44,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thaw_early_2 [2019-09-20 13:44:44,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_poweroff_noirq_2 [2019-09-20 13:44:44,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_noirq_2 [2019-09-20 13:44:44,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_2 [2019-09-20 13:44:44,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_prepare_2 [2019-09-20 13:44:44,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 13:44:44,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_restore_early_2 [2019-09-20 13:44:44,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_noirq_2 [2019-09-20 13:44:44,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_poweroff_late_2 [2019-09-20 13:44:44,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thaw_noirq_2 [2019-09-20 13:44:44,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_freeze_noirq_2 [2019-09-20 13:44:44,391 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:44:44,391 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-20 13:44:44,391 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2019-09-20 13:44:44,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-20 13:44:44,392 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2019-09-20 13:44:44,392 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_adapdata [2019-09-20 13:44:44,392 INFO L130 BoogieDeclarations]: Found specification of procedure cmdbuf_add [2019-09-20 13:44:44,392 INFO L130 BoogieDeclarations]: Found specification of procedure put_end [2019-09-20 13:44:44,392 INFO L130 BoogieDeclarations]: Found specification of procedure put_start [2019-09-20 13:44:44,392 INFO L130 BoogieDeclarations]: Found specification of procedure put_byte_write [2019-09-20 13:44:44,392 INFO L130 BoogieDeclarations]: Found specification of procedure put_byte_read [2019-09-20 13:44:44,392 INFO L130 BoogieDeclarations]: Found specification of procedure put_stop [2019-09-20 13:44:44,392 INFO L130 BoogieDeclarations]: Found specification of procedure translate [2019-09-20 13:44:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure wait_i2c_result [2019-09-20 13:44:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure send_i2c_cmd [2019-09-20 13:44:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-09-20 13:44:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-09-20 13:44:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_swfilter_packets [2019-09-20 13:44:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-09-20 13:44:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_base [2019-09-20 13:44:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure next_unit [2019-09-20 13:44:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-20 13:44:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-20 13:44:44,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-20 13:44:44,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-09-20 13:44:44,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-09-20 13:44:44,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-09-20 13:44:44,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 13:44:44,394 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 13:44:44,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-20 13:44:44,394 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:44:44,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:44:44,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:44:44,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:44:44,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:44:44,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-20 13:44:44,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-20 13:44:44,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-20 13:44:44,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-20 13:44:45,646 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-20 13:44:57,130 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-09-20 13:44:57,472 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:44:57,472 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 13:44:57,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:44:57 BoogieIcfgContainer [2019-09-20 13:44:57,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:44:57,475 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:44:57,475 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:44:57,478 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:44:57,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:44:40" (1/3) ... [2019-09-20 13:44:57,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c093873 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:44:57, skipping insertion in model container [2019-09-20 13:44:57,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:44:43" (2/3) ... [2019-09-20 13:44:57,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c093873 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:44:57, skipping insertion in model container [2019-09-20 13:44:57,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:44:57" (3/3) ... [2019-09-20 13:44:57,481 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i [2019-09-20 13:44:57,491 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:44:57,500 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:44:57,514 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:44:57,533 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:44:57,533 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:44:57,533 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:44:57,533 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:44:57,533 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:44:57,533 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:44:57,533 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:44:57,534 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:44:57,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states. [2019-09-20 13:44:57,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-09-20 13:44:57,591 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:44:57,592 INFO L407 BasicCegarLoop]: trace histogram [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] [2019-09-20 13:44:57,594 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:44:57,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:44:57,627 INFO L82 PathProgramCache]: Analyzing trace with hash -259372764, now seen corresponding path program 1 times [2019-09-20 13:44:57,629 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:44:57,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:57,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:44:57,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:57,762 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:44:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:44:58,346 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-09-20 13:44:58,348 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:44:58,348 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:44:58,349 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:44:58,353 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:44:58,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:44:58,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:44:58,371 INFO L87 Difference]: Start difference. First operand 1404 states. Second operand 3 states. [2019-09-20 13:44:59,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:44:59,123 INFO L93 Difference]: Finished difference Result 2663 states and 3453 transitions. [2019-09-20 13:44:59,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:44:59,126 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2019-09-20 13:44:59,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:44:59,169 INFO L225 Difference]: With dead ends: 2663 [2019-09-20 13:44:59,169 INFO L226 Difference]: Without dead ends: 2644 [2019-09-20 13:44:59,172 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 13:44:59,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2644 states. [2019-09-20 13:44:59,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2644 to 2641. [2019-09-20 13:44:59,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2641 states. [2019-09-20 13:44:59,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2641 states to 2641 states and 3422 transitions. [2019-09-20 13:44:59,372 INFO L78 Accepts]: Start accepts. Automaton has 2641 states and 3422 transitions. Word has length 65 [2019-09-20 13:44:59,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:44:59,373 INFO L475 AbstractCegarLoop]: Abstraction has 2641 states and 3422 transitions. [2019-09-20 13:44:59,373 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:44:59,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2641 states and 3422 transitions. [2019-09-20 13:44:59,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-09-20 13:44:59,384 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:44:59,385 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:44:59,385 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:44:59,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:44:59,385 INFO L82 PathProgramCache]: Analyzing trace with hash -477554433, now seen corresponding path program 1 times [2019-09-20 13:44:59,386 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:44:59,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:59,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:44:59,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:44:59,399 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:44:59,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:44:59,681 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-09-20 13:44:59,682 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:44:59,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:44:59,682 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:44:59,684 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:44:59,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:44:59,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:44:59,685 INFO L87 Difference]: Start difference. First operand 2641 states and 3422 transitions. Second operand 3 states. [2019-09-20 13:44:59,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:44:59,833 INFO L93 Difference]: Finished difference Result 5255 states and 6823 transitions. [2019-09-20 13:44:59,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:44:59,833 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2019-09-20 13:44:59,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:44:59,887 INFO L225 Difference]: With dead ends: 5255 [2019-09-20 13:44:59,887 INFO L226 Difference]: Without dead ends: 5240 [2019-09-20 13:44:59,888 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 13:44:59,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5240 states. [2019-09-20 13:45:00,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5240 to 5236. [2019-09-20 13:45:00,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5236 states. [2019-09-20 13:45:00,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5236 states to 5236 states and 6803 transitions. [2019-09-20 13:45:00,100 INFO L78 Accepts]: Start accepts. Automaton has 5236 states and 6803 transitions. Word has length 86 [2019-09-20 13:45:00,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:45:00,104 INFO L475 AbstractCegarLoop]: Abstraction has 5236 states and 6803 transitions. [2019-09-20 13:45:00,104 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:45:00,104 INFO L276 IsEmpty]: Start isEmpty. Operand 5236 states and 6803 transitions. [2019-09-20 13:45:00,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-09-20 13:45:00,112 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:45:00,113 INFO L407 BasicCegarLoop]: trace histogram [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] [2019-09-20 13:45:00,113 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:45:00,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:45:00,114 INFO L82 PathProgramCache]: Analyzing trace with hash -398786380, now seen corresponding path program 1 times [2019-09-20 13:45:00,114 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:45:00,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:00,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:45:00,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:00,131 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:45:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:45:00,352 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-09-20 13:45:00,352 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:45:00,353 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:45:00,353 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:45:00,353 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:45:00,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:45:00,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:45:00,354 INFO L87 Difference]: Start difference. First operand 5236 states and 6803 transitions. Second operand 3 states. [2019-09-20 13:45:00,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:45:00,565 INFO L93 Difference]: Finished difference Result 8828 states and 11537 transitions. [2019-09-20 13:45:00,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:45:00,565 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2019-09-20 13:45:00,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:45:00,621 INFO L225 Difference]: With dead ends: 8828 [2019-09-20 13:45:00,621 INFO L226 Difference]: Without dead ends: 8828 [2019-09-20 13:45:00,622 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 13:45:00,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8828 states. [2019-09-20 13:45:00,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8828 to 8795. [2019-09-20 13:45:00,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8795 states. [2019-09-20 13:45:00,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8795 states to 8795 states and 11499 transitions. [2019-09-20 13:45:00,913 INFO L78 Accepts]: Start accepts. Automaton has 8795 states and 11499 transitions. Word has length 94 [2019-09-20 13:45:00,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:45:00,914 INFO L475 AbstractCegarLoop]: Abstraction has 8795 states and 11499 transitions. [2019-09-20 13:45:00,914 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:45:00,914 INFO L276 IsEmpty]: Start isEmpty. Operand 8795 states and 11499 transitions. [2019-09-20 13:45:00,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-09-20 13:45:00,922 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:45:00,922 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-09-20 13:45:00,922 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:45:00,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:45:00,923 INFO L82 PathProgramCache]: Analyzing trace with hash -8399202, now seen corresponding path program 1 times [2019-09-20 13:45:00,923 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:45:00,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:00,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:45:00,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:00,938 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:45:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:45:01,263 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-09-20 13:45:01,264 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:45:01,264 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:45:01,264 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:45:01,264 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:45:01,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:45:01,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:45:01,265 INFO L87 Difference]: Start difference. First operand 8795 states and 11499 transitions. Second operand 3 states. [2019-09-20 13:45:01,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:45:01,986 INFO L93 Difference]: Finished difference Result 5374 states and 7017 transitions. [2019-09-20 13:45:01,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:45:01,986 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2019-09-20 13:45:01,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:45:02,020 INFO L225 Difference]: With dead ends: 5374 [2019-09-20 13:45:02,020 INFO L226 Difference]: Without dead ends: 5373 [2019-09-20 13:45:02,021 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 13:45:02,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5373 states. [2019-09-20 13:45:02,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5373 to 5368. [2019-09-20 13:45:02,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5368 states. [2019-09-20 13:45:02,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5368 states to 5368 states and 7012 transitions. [2019-09-20 13:45:02,204 INFO L78 Accepts]: Start accepts. Automaton has 5368 states and 7012 transitions. Word has length 134 [2019-09-20 13:45:02,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:45:02,207 INFO L475 AbstractCegarLoop]: Abstraction has 5368 states and 7012 transitions. [2019-09-20 13:45:02,207 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:45:02,207 INFO L276 IsEmpty]: Start isEmpty. Operand 5368 states and 7012 transitions. [2019-09-20 13:45:02,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-09-20 13:45:02,218 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:45:02,219 INFO L407 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 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] [2019-09-20 13:45:02,219 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:45:02,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:45:02,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1546736320, now seen corresponding path program 1 times [2019-09-20 13:45:02,220 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:45:02,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:02,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:45:02,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:02,233 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:45:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:45:02,540 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2019-09-20 13:45:02,540 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:45:02,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:45:02,541 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:45:02,541 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:45:02,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:45:02,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:45:02,542 INFO L87 Difference]: Start difference. First operand 5368 states and 7012 transitions. Second operand 3 states. [2019-09-20 13:45:03,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:45:03,248 INFO L93 Difference]: Finished difference Result 7347 states and 9590 transitions. [2019-09-20 13:45:03,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:45:03,249 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2019-09-20 13:45:03,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:45:03,295 INFO L225 Difference]: With dead ends: 7347 [2019-09-20 13:45:03,295 INFO L226 Difference]: Without dead ends: 7347 [2019-09-20 13:45:03,295 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 13:45:03,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7347 states. [2019-09-20 13:45:03,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7347 to 7314. [2019-09-20 13:45:03,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7314 states. [2019-09-20 13:45:03,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7314 states to 7314 states and 9552 transitions. [2019-09-20 13:45:03,573 INFO L78 Accepts]: Start accepts. Automaton has 7314 states and 9552 transitions. Word has length 165 [2019-09-20 13:45:03,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:45:03,574 INFO L475 AbstractCegarLoop]: Abstraction has 7314 states and 9552 transitions. [2019-09-20 13:45:03,574 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:45:03,574 INFO L276 IsEmpty]: Start isEmpty. Operand 7314 states and 9552 transitions. [2019-09-20 13:45:03,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-09-20 13:45:03,588 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:45:03,588 INFO L407 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:45:03,589 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:45:03,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:45:03,589 INFO L82 PathProgramCache]: Analyzing trace with hash -513960277, now seen corresponding path program 1 times [2019-09-20 13:45:03,589 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:45:03,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:03,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:45:03,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:03,606 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:45:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:45:03,963 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-09-20 13:45:03,964 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:45:03,964 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:45:03,964 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:45:03,965 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:45:03,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:45:03,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:45:03,966 INFO L87 Difference]: Start difference. First operand 7314 states and 9552 transitions. Second operand 5 states. [2019-09-20 13:45:04,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:45:04,717 INFO L93 Difference]: Finished difference Result 9945 states and 12940 transitions. [2019-09-20 13:45:04,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:45:04,718 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 188 [2019-09-20 13:45:04,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:45:04,774 INFO L225 Difference]: With dead ends: 9945 [2019-09-20 13:45:04,774 INFO L226 Difference]: Without dead ends: 9945 [2019-09-20 13:45:04,775 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:45:04,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9945 states. [2019-09-20 13:45:05,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9945 to 7322. [2019-09-20 13:45:05,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7322 states. [2019-09-20 13:45:05,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7322 states to 7322 states and 9560 transitions. [2019-09-20 13:45:05,686 INFO L78 Accepts]: Start accepts. Automaton has 7322 states and 9560 transitions. Word has length 188 [2019-09-20 13:45:05,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:45:05,689 INFO L475 AbstractCegarLoop]: Abstraction has 7322 states and 9560 transitions. [2019-09-20 13:45:05,689 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:45:05,690 INFO L276 IsEmpty]: Start isEmpty. Operand 7322 states and 9560 transitions. [2019-09-20 13:45:05,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2019-09-20 13:45:05,713 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:45:05,714 INFO L407 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:45:05,714 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:45:05,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:45:05,715 INFO L82 PathProgramCache]: Analyzing trace with hash 486056272, now seen corresponding path program 1 times [2019-09-20 13:45:05,715 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:45:05,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:05,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:45:05,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:05,731 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:45:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:45:06,006 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-09-20 13:45:06,006 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:45:06,007 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:45:06,007 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:45:06,008 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:45:06,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:45:06,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:45:06,009 INFO L87 Difference]: Start difference. First operand 7322 states and 9560 transitions. Second operand 3 states. [2019-09-20 13:45:06,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:45:06,089 INFO L93 Difference]: Finished difference Result 7324 states and 9562 transitions. [2019-09-20 13:45:06,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:45:06,089 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 209 [2019-09-20 13:45:06,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:45:06,128 INFO L225 Difference]: With dead ends: 7324 [2019-09-20 13:45:06,128 INFO L226 Difference]: Without dead ends: 7324 [2019-09-20 13:45:06,129 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 13:45:06,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7324 states. [2019-09-20 13:45:06,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7324 to 7324. [2019-09-20 13:45:06,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7324 states. [2019-09-20 13:45:06,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7324 states to 7324 states and 9562 transitions. [2019-09-20 13:45:06,319 INFO L78 Accepts]: Start accepts. Automaton has 7324 states and 9562 transitions. Word has length 209 [2019-09-20 13:45:06,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:45:06,320 INFO L475 AbstractCegarLoop]: Abstraction has 7324 states and 9562 transitions. [2019-09-20 13:45:06,320 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:45:06,320 INFO L276 IsEmpty]: Start isEmpty. Operand 7324 states and 9562 transitions. [2019-09-20 13:45:06,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2019-09-20 13:45:06,332 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:45:06,333 INFO L407 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:45:06,333 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:45:06,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:45:06,333 INFO L82 PathProgramCache]: Analyzing trace with hash 726296018, now seen corresponding path program 1 times [2019-09-20 13:45:06,333 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:45:06,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:06,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:45:06,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:06,346 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:45:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:45:06,717 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-09-20 13:45:06,717 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:45:06,718 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:45:06,718 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:45:06,719 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:45:06,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:45:06,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:45:06,720 INFO L87 Difference]: Start difference. First operand 7324 states and 9562 transitions. Second operand 6 states. [2019-09-20 13:45:07,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:45:07,765 INFO L93 Difference]: Finished difference Result 10059 states and 13108 transitions. [2019-09-20 13:45:07,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-20 13:45:07,766 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 209 [2019-09-20 13:45:07,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:45:07,804 INFO L225 Difference]: With dead ends: 10059 [2019-09-20 13:45:07,804 INFO L226 Difference]: Without dead ends: 10059 [2019-09-20 13:45:07,806 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:45:07,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10059 states. [2019-09-20 13:45:07,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10059 to 7366. [2019-09-20 13:45:07,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7366 states. [2019-09-20 13:45:08,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7366 states to 7366 states and 9629 transitions. [2019-09-20 13:45:08,014 INFO L78 Accepts]: Start accepts. Automaton has 7366 states and 9629 transitions. Word has length 209 [2019-09-20 13:45:08,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:45:08,015 INFO L475 AbstractCegarLoop]: Abstraction has 7366 states and 9629 transitions. [2019-09-20 13:45:08,015 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:45:08,016 INFO L276 IsEmpty]: Start isEmpty. Operand 7366 states and 9629 transitions. [2019-09-20 13:45:08,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2019-09-20 13:45:08,030 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:45:08,030 INFO L407 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:45:08,031 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:45:08,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:45:08,031 INFO L82 PathProgramCache]: Analyzing trace with hash -2052865950, now seen corresponding path program 1 times [2019-09-20 13:45:08,031 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:45:08,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:08,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:45:08,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:45:08,046 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:45:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:45:08,852 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-09-20 13:45:08,852 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:45:08,852 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-20 13:45:08,853 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 226 with the following transitions: [2019-09-20 13:45:08,856 INFO L207 CegarAbsIntRunner]: [209], [210], [214], [220], [221], [404], [426], [429], [432], [457], [459], [460], [477], [478], [494], [508], [514], [515], [546], [548], [553], [558], [560], [564], [567], [572], [574], [581], [583], [590], [727], [728], [729], [730], [924], [925], [926], [928], [929], [940], [942], [949], [1091], [1092], [1093], [1095], [1096], [1121], [1220], [1222], [1223], [1258], [1259], [1326], [1327], [1336], [1338], [1339], [1373], [1375], [1376], [1396], [1398], [1399], [1567], [1569], [1571], [1574], [1576], [1579], [1582], [1585], [1588], [1590], [1593], [1601], [1604], [1607], [1641], [1644], [1647], [1659], [1662], [1665], [1667], [1670], [1672], [1681], [2154], [2155], [2242], [2249], [2256], [2259], [2261], [2281], [2282], [2288], [2290], [2292], [2293], [2408], [2409], [2412], [2414], [2415], [2445], [2449], [2456], [2458], [2460], [2463], [2470], [2472], [2475], [2571], [2576], [2580], [2584], [2585], [2586], [2694], [2704], [2712], [2713], [2722], [2723], [2724], [2725], [2726], [2727], [2728], [2729], [2730], [2731], [2734], [2735], [2776], [2777], [2778], [2779], [2820], [2821], [2822], [2823], [2824], [2880], [2881], [2904], [2905], [2930], [2931], [2940], [2941], [2946], [2947], [2994], [2995], [2996], [2997], [2998], [2999], [3000], [3001], [3002], [3003], [3004], [3012], [3013], [3014], [3015], [3016], [3017], [3104], [3105], [3114], [3115], [3116], [3117], [3154], [3155], [3168], [3169], [3172], [3210], [3211], [3212] [2019-09-20 13:45:08,931 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-20 13:45:08,932 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:45:09,081 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-20 13:45:09,083 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 198 root evaluator evaluations with a maximum evaluation depth of 0. Performed 198 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 378 variables. [2019-09-20 13:45:09,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:45:09,088 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-20 13:45:09,210 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-20 13:45:09,210 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-20 13:45:09,219 INFO L420 sIntCurrentIteration]: We unified 224 AI predicates to 224 [2019-09-20 13:45:09,220 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-20 13:45:09,221 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:45:09,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 6 [2019-09-20 13:45:09,222 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:45:09,223 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:45:09,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:45:09,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:45:09,224 INFO L87 Difference]: Start difference. First operand 7366 states and 9629 transitions. Second operand 2 states. [2019-09-20 13:45:09,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:45:09,224 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-20 13:45:09,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:45:09,225 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 225 [2019-09-20 13:45:09,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:45:09,225 INFO L225 Difference]: With dead ends: 2 [2019-09-20 13:45:09,225 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:45:09,225 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:45:09,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:45:09,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:45:09,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:45:09,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:45:09,226 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 225 [2019-09-20 13:45:09,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:45:09,227 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:45:09,227 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:45:09,227 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:45:09,227 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:45:09,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:45:09 BoogieIcfgContainer [2019-09-20 13:45:09,234 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:45:09,237 INFO L168 Benchmark]: Toolchain (without parser) took 28287.53 ms. Allocated memory was 140.0 MB in the beginning and 857.7 MB in the end (delta: 717.8 MB). Free memory was 78.1 MB in the beginning and 577.4 MB in the end (delta: -499.3 MB). Peak memory consumption was 218.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:45:09,239 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:45:09,242 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2897.52 ms. Allocated memory was 140.0 MB in the beginning and 264.8 MB in the end (delta: 124.8 MB). Free memory was 77.7 MB in the beginning and 171.5 MB in the end (delta: -93.8 MB). Peak memory consumption was 106.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:45:09,243 INFO L168 Benchmark]: Boogie Preprocessor took 377.13 ms. Allocated memory is still 264.8 MB. Free memory was 169.7 MB in the beginning and 143.8 MB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:45:09,248 INFO L168 Benchmark]: RCFGBuilder took 13249.21 ms. Allocated memory was 264.8 MB in the beginning and 532.2 MB in the end (delta: 267.4 MB). Free memory was 142.1 MB in the beginning and 83.6 MB in the end (delta: 58.5 MB). Peak memory consumption was 370.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:45:09,253 INFO L168 Benchmark]: TraceAbstraction took 11758.94 ms. Allocated memory was 532.2 MB in the beginning and 857.7 MB in the end (delta: 325.6 MB). Free memory was 75.9 MB in the beginning and 577.4 MB in the end (delta: -501.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:45:09,263 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2897.52 ms. Allocated memory was 140.0 MB in the beginning and 264.8 MB in the end (delta: 124.8 MB). Free memory was 77.7 MB in the beginning and 171.5 MB in the end (delta: -93.8 MB). Peak memory consumption was 106.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 377.13 ms. Allocated memory is still 264.8 MB. Free memory was 169.7 MB in the beginning and 143.8 MB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 13249.21 ms. Allocated memory was 264.8 MB in the beginning and 532.2 MB in the end (delta: 267.4 MB). Free memory was 142.1 MB in the beginning and 83.6 MB in the end (delta: 58.5 MB). Peak memory consumption was 370.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11758.94 ms. Allocated memory was 532.2 MB in the beginning and 857.7 MB in the end (delta: 325.6 MB). Free memory was 75.9 MB in the beginning and 577.4 MB in the end (delta: -501.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6959]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 180 procedures, 1448 locations, 1 error locations. SAFE Result, 11.7s OverallTime, 9 OverallIterations, 5 TraceHistogramMax, 4.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 19612 SDtfs, 9732 SDslu, 30742 SDs, 0 SdLazy, 171 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 261 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8795occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.857142857142857 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 5394 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1375 NumberOfCodeBlocks, 1375 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1366 ConstructedInterpolants, 0 QuantifiedInterpolants, 260953 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 533/561 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...