java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -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 0.1.24-36ac518-m [2019-10-07 10:59:06,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 10:59:06,957 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 10:59:06,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 10:59:06,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 10:59:06,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 10:59:06,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 10:59:06,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 10:59:06,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 10:59:06,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 10:59:06,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 10:59:06,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 10:59:06,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 10:59:06,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 10:59:06,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 10:59:06,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 10:59:06,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 10:59:06,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 10:59:06,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 10:59:06,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 10:59:06,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 10:59:06,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 10:59:06,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 10:59:06,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 10:59:06,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 10:59:06,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 10:59:07,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 10:59:07,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 10:59:07,003 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 10:59:07,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 10:59:07,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 10:59:07,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 10:59:07,007 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 10:59:07,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 10:59:07,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 10:59:07,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 10:59:07,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 10:59:07,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 10:59:07,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 10:59:07,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 10:59:07,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 10:59:07,016 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 10:59:07,034 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 10:59:07,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 10:59:07,038 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 10:59:07,038 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 10:59:07,039 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 10:59:07,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 10:59:07,039 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 10:59:07,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 10:59:07,040 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 10:59:07,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 10:59:07,041 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 10:59:07,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 10:59:07,041 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 10:59:07,042 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 10:59:07,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 10:59:07,042 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 10:59:07,042 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 10:59:07,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 10:59:07,043 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 10:59:07,044 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 10:59:07,044 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 10:59:07,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 10:59:07,045 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 10:59:07,045 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 10:59:07,045 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 10:59:07,045 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 10:59:07,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 10:59:07,045 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 10:59:07,046 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 10:59:07,316 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 10:59:07,332 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 10:59:07,337 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 10:59:07,338 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 10:59:07,338 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 10:59:07,339 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i [2019-10-07 10:59:07,412 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ef9c2485/d1d5c874c45f42bd9243929bc1f51426/FLAG4d1273c03 [2019-10-07 10:59:08,219 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 10:59:08,221 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i [2019-10-07 10:59:08,273 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ef9c2485/d1d5c874c45f42bd9243929bc1f51426/FLAG4d1273c03 [2019-10-07 10:59:08,760 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ef9c2485/d1d5c874c45f42bd9243929bc1f51426 [2019-10-07 10:59:08,772 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 10:59:08,774 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 10:59:08,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 10:59:08,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 10:59:08,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 10:59:08,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 10:59:08" (1/1) ... [2019-10-07 10:59:08,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f893bdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:59:08, skipping insertion in model container [2019-10-07 10:59:08,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 10:59:08" (1/1) ... [2019-10-07 10:59:08,788 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 10:59:08,914 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 10:59:10,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 10:59:10,905 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 10:59:11,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 10:59:11,463 INFO L192 MainTranslator]: Completed translation [2019-10-07 10:59:11,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:59:11 WrapperNode [2019-10-07 10:59:11,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 10:59:11,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 10:59:11,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 10:59:11,464 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 10:59:11,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:59:11" (1/1) ... [2019-10-07 10:59:11,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:59:11" (1/1) ... [2019-10-07 10:59:11,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:59:11" (1/1) ... [2019-10-07 10:59:11,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:59:11" (1/1) ... [2019-10-07 10:59:11,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:59:11" (1/1) ... [2019-10-07 10:59:11,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:59:11" (1/1) ... [2019-10-07 10:59:11,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:59:11" (1/1) ... [2019-10-07 10:59:11,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 10:59:11,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 10:59:11,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 10:59:11,813 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 10:59:11,814 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:59:11" (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 [2019-10-07 10:59:11,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 10:59:11,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 10:59:11,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-07 10:59:11,885 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-07 10:59:11,886 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-07 10:59:11,888 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-07 10:59:11,889 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-10-07 10:59:11,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_set [2019-10-07 10:59:11,889 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-10-07 10:59:11,890 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-10-07 10:59:11,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-07 10:59:11,891 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-07 10:59:11,891 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-07 10:59:11,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 10:59:11,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 10:59:11,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-07 10:59:11,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-07 10:59:11,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 10:59:11,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 10:59:11,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 10:59:11,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 10:59:11,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 10:59:11,896 INFO L138 BoogieDeclarations]: Found implementation of procedure freezing [2019-10-07 10:59:11,896 INFO L138 BoogieDeclarations]: Found implementation of procedure try_to_freeze_unsafe [2019-10-07 10:59:11,896 INFO L138 BoogieDeclarations]: Found implementation of procedure try_to_freeze [2019-10-07 10:59:11,896 INFO L138 BoogieDeclarations]: Found implementation of procedure freezer_do_not_count [2019-10-07 10:59:11,897 INFO L138 BoogieDeclarations]: Found implementation of procedure freezer_count [2019-10-07 10:59:11,897 INFO L138 BoogieDeclarations]: Found implementation of procedure freezable_schedule_hrtimeout_range [2019-10-07 10:59:11,897 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-07 10:59:11,897 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-07 10:59:11,897 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2019-10-07 10:59:11,898 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_coherent_mask [2019-10-07 10:59:11,898 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-07 10:59:11,898 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-07 10:59:11,898 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_adapdata [2019-10-07 10:59:11,898 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_demod_write [2019-10-07 10:59:11,898 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_lnb_ctrl [2019-10-07 10:59:11,898 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_find_adapter [2019-10-07 10:59:11,899 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_set_tuner_power [2019-10-07 10:59:11,899 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_set_lna [2019-10-07 10:59:11,899 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_set_voltage [2019-10-07 10:59:11,899 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_fe_init [2019-10-07 10:59:11,899 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_attach_fe [2019-10-07 10:59:11,899 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_fetch_thread [2019-10-07 10:59:11,899 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_start_streaming [2019-10-07 10:59:11,899 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_stop_streaming [2019-10-07 10:59:11,900 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_start_feed [2019-10-07 10:59:11,900 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_stop_feed [2019-10-07 10:59:11,900 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_alloc_adapter [2019-10-07 10:59:11,900 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_cleanup_adapter [2019-10-07 10:59:11,900 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_suspend [2019-10-07 10:59:11,900 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_resume [2019-10-07 10:59:11,900 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_remove [2019-10-07 10:59:11,901 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_probe [2019-10-07 10:59:11,901 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_driver_init [2019-10-07 10:59:11,901 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_driver_exit [2019-10-07 10:59:11,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_i2c_algorithm_3 [2019-10-07 10:59:11,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_pm_ops_2 [2019-10-07 10:59:11,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_1 [2019-10-07 10:59:11,902 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 10:59:11,902 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-07 10:59:11,902 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-07 10:59:11,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_5 [2019-10-07 10:59:11,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_6 [2019-10-07 10:59:11,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_7 [2019-10-07 10:59:11,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_8 [2019-10-07 10:59:11,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_9 [2019-10-07 10:59:11,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_10 [2019-10-07 10:59:11,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_11 [2019-10-07 10:59:11,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_12 [2019-10-07 10:59:11,903 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2019-10-07 10:59:11,903 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2019-10-07 10:59:11,904 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_adapdata [2019-10-07 10:59:11,904 INFO L138 BoogieDeclarations]: Found implementation of procedure cmdbuf_add [2019-10-07 10:59:11,904 INFO L138 BoogieDeclarations]: Found implementation of procedure put_end [2019-10-07 10:59:11,905 INFO L138 BoogieDeclarations]: Found implementation of procedure put_start [2019-10-07 10:59:11,905 INFO L138 BoogieDeclarations]: Found implementation of procedure put_byte_write [2019-10-07 10:59:11,905 INFO L138 BoogieDeclarations]: Found implementation of procedure put_byte_read [2019-10-07 10:59:11,905 INFO L138 BoogieDeclarations]: Found implementation of procedure put_stop [2019-10-07 10:59:11,906 INFO L138 BoogieDeclarations]: Found implementation of procedure translate [2019-10-07 10:59:11,906 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_i2c_result [2019-10-07 10:59:11,906 INFO L138 BoogieDeclarations]: Found implementation of procedure send_i2c_cmd [2019-10-07 10:59:11,907 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_init_all_demods [2019-10-07 10:59:11,907 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_init_all_mxl301rf [2019-10-07 10:59:11,907 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_i2c_reset [2019-10-07 10:59:11,907 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_i2c_master_xfer [2019-10-07 10:59:11,907 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_i2c_functionality [2019-10-07 10:59:11,908 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_base [2019-10-07 10:59:11,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_stop_dma [2019-10-07 10:59:11,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_start_dma [2019-10-07 10:59:11,908 INFO L138 BoogieDeclarations]: Found implementation of procedure next_unit [2019-10-07 10:59:11,909 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_proc_dma [2019-10-07 10:59:11,909 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_init_dmabuf [2019-10-07 10:59:11,909 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_free_dmabuf [2019-10-07 10:59:11,909 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_alloc_dmabuf [2019-10-07 10:59:11,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-07 10:59:11,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 10:59:11,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 10:59:11,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 10:59:11,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 10:59:11,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-10-07 10:59:11,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-10-07 10:59:11,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-10-07 10:59:11,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-10-07 10:59:11,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-10-07 10:59:11,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 10:59:11,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-07 10:59:11,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-10-07 10:59:11,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-07 10:59:11,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-07 10:59:11,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __refrigerator [2019-10-07 10:59:11,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-10-07 10:59:11,912 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-07 10:59:11,912 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_check_no_locks_held [2019-10-07 10:59:11,912 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-07 10:59:11,912 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-07 10:59:11,913 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-10-07 10:59:11,913 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-10-07 10:59:11,913 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2019-10-07 10:59:11,913 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_supported [2019-10-07 10:59:11,914 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_init [2019-10-07 10:59:11,914 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2019-10-07 10:59:11,914 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_swfilter_packets [2019-10-07 10:59:11,914 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_init [2019-10-07 10:59:11,915 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2019-10-07 10:59:11,915 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_frontend_resume [2019-10-07 10:59:11,915 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_frontend_suspend [2019-10-07 10:59:11,915 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_adapter [2019-10-07 10:59:11,915 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_frontend [2019-10-07 10:59:11,916 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2019-10-07 10:59:11,916 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_frontend [2019-10-07 10:59:11,916 INFO L138 BoogieDeclarations]: Found implementation of procedure freezing_slow_path [2019-10-07 10:59:11,917 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_add_adapter [2019-10-07 10:59:11,917 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2019-10-07 10:59:11,920 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_new_device [2019-10-07 10:59:11,920 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2019-10-07 10:59:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2019-10-07 10:59:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2019-10-07 10:59:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2019-10-07 10:59:11,922 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_create_on_node [2019-10-07 10:59:11,922 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_freezable_should_stop [2019-10-07 10:59:11,922 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2019-10-07 10:59:11,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_complete_2 [2019-10-07 10:59:11,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_freeze_late_2 [2019-10-07 10:59:11,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_freeze_noirq_2 [2019-10-07 10:59:11,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 10:59:11,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_poweroff_late_2 [2019-10-07 10:59:11,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_poweroff_noirq_2 [2019-10-07 10:59:11,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_prepare_2 [2019-10-07 10:59:11,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_restore_early_2 [2019-10-07 10:59:11,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_restore_noirq_2 [2019-10-07 10:59:11,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_2 [2019-10-07 10:59:11,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_noirq_2 [2019-10-07 10:59:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_1 [2019-10-07 10:59:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_suspend_late_2 [2019-10-07 10:59:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_suspend_noirq_2 [2019-10-07 10:59:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thaw_early_2 [2019-10-07 10:59:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thaw_noirq_2 [2019-10-07 10:59:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-07 10:59:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2019-10-07 10:59:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-07 10:59:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_byte [2019-10-07 10:59:11,935 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-07 10:59:11,935 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-07 10:59:11,935 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_ioremap_bar [2019-10-07 10:59:11,935 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2019-10-07 10:59:11,936 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-10-07 10:59:11,936 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2019-10-07 10:59:11,936 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2019-10-07 10:59:11,936 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-07 10:59:11,936 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_hrtimeout_range [2019-10-07 10:59:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure set_freezable [2019-10-07 10:59:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2019-10-07 10:59:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2019-10-07 10:59:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2019-10-07 10:59:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 10:59:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 10:59:11,938 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 10:59:11,938 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 10:59:11,938 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-07 10:59:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 10:59:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 10:59:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-07 10:59:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-07 10:59:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-10-07 10:59:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 10:59:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 10:59:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-07 10:59:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-07 10:59:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 10:59:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2019-10-07 10:59:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2019-10-07 10:59:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-07 10:59:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-07 10:59:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-10-07 10:59:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-07 10:59:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 10:59:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-10-07 10:59:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure debug_check_no_locks_held [2019-10-07 10:59:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-07 10:59:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2019-10-07 10:59:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-07 10:59:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_set [2019-10-07 10:59:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 10:59:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 10:59:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 10:59:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2019-10-07 10:59:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2019-10-07 10:59:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2019-10-07 10:59:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-10-07 10:59:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_5 [2019-10-07 10:59:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_6 [2019-10-07 10:59:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_7 [2019-10-07 10:59:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_8 [2019-10-07 10:59:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_9 [2019-10-07 10:59:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_10 [2019-10-07 10:59:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-10-07 10:59:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-10-07 10:59:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_hrtimeout_range [2019-10-07 10:59:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2019-10-07 10:59:11,947 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-10-07 10:59:11,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 10:59:11,947 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-10-07 10:59:11,947 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 10:59:11,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 10:59:11,948 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-07 10:59:11,948 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-07 10:59:11,948 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-07 10:59:11,948 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 10:59:11,948 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 10:59:11,949 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 10:59:11,949 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 10:59:11,949 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 10:59:11,949 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 10:59:11,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 10:59:11,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 10:59:11,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 10:59:11,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-07 10:59:11,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-07 10:59:11,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 10:59:11,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 10:59:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 10:59:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 10:59:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 10:59:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_i2c_algorithm_3 [2019-10-07 10:59:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_pm_ops_2 [2019-10-07 10:59:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_1 [2019-10-07 10:59:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure freezing_slow_path [2019-10-07 10:59:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure freezing [2019-10-07 10:59:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure __refrigerator [2019-10-07 10:59:11,953 INFO L130 BoogieDeclarations]: Found specification of procedure try_to_freeze_unsafe [2019-10-07 10:59:11,953 INFO L130 BoogieDeclarations]: Found specification of procedure try_to_freeze [2019-10-07 10:59:11,953 INFO L130 BoogieDeclarations]: Found specification of procedure set_freezable [2019-10-07 10:59:11,953 INFO L130 BoogieDeclarations]: Found specification of procedure freezer_do_not_count [2019-10-07 10:59:11,953 INFO L130 BoogieDeclarations]: Found specification of procedure freezer_count [2019-10-07 10:59:11,953 INFO L130 BoogieDeclarations]: Found specification of procedure freezable_schedule_hrtimeout_range [2019-10-07 10:59:11,954 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_create_on_node [2019-10-07 10:59:11,954 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2019-10-07 10:59:11,954 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_freezable_should_stop [2019-10-07 10:59:11,954 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-07 10:59:11,956 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-07 10:59:11,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 10:59:11,961 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-07 10:59:11,961 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-07 10:59:11,961 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-07 10:59:11,961 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_byte [2019-10-07 10:59:11,961 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2019-10-07 10:59:11,962 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-07 10:59:11,962 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-07 10:59:11,962 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2019-10-07 10:59:11,962 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2019-10-07 10:59:11,963 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-10-07 10:59:11,967 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-07 10:59:11,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_11 [2019-10-07 10:59:11,967 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-07 10:59:11,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_12 [2019-10-07 10:59:11,967 INFO L130 BoogieDeclarations]: Found specification of procedure dma_supported [2019-10-07 10:59:11,967 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2019-10-07 10:59:11,967 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_coherent_mask [2019-10-07 10:59:11,967 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-07 10:59:11,968 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-07 10:59:11,968 INFO L130 BoogieDeclarations]: Found specification of procedure pci_ioremap_bar [2019-10-07 10:59:11,968 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_adapter [2019-10-07 10:59:11,968 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2019-10-07 10:59:11,968 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_init [2019-10-07 10:59:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2019-10-07 10:59:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_init [2019-10-07 10:59:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2019-10-07 10:59:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2019-10-07 10:59:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_new_device [2019-10-07 10:59:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2019-10-07 10:59:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_adapdata [2019-10-07 10:59:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_add_adapter [2019-10-07 10:59:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2019-10-07 10:59:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2019-10-07 10:59:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_frontend [2019-10-07 10:59:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_frontend [2019-10-07 10:59:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_frontend_suspend [2019-10-07 10:59:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_frontend_resume [2019-10-07 10:59:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_alloc_dmabuf [2019-10-07 10:59:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_init_dmabuf [2019-10-07 10:59:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_free_dmabuf [2019-10-07 10:59:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_start_dma [2019-10-07 10:59:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_stop_dma [2019-10-07 10:59:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_proc_dma [2019-10-07 10:59:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_i2c_master_xfer [2019-10-07 10:59:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_i2c_functionality [2019-10-07 10:59:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_i2c_reset [2019-10-07 10:59:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_init_all_demods [2019-10-07 10:59:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_init_all_mxl301rf [2019-10-07 10:59:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_demod_write [2019-10-07 10:59:11,972 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_lnb_ctrl [2019-10-07 10:59:11,972 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_find_adapter [2019-10-07 10:59:11,972 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_set_tuner_power [2019-10-07 10:59:11,972 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_set_lna [2019-10-07 10:59:11,972 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_set_voltage [2019-10-07 10:59:11,972 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_fe_init [2019-10-07 10:59:11,972 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-07 10:59:11,972 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_attach_fe [2019-10-07 10:59:11,972 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_fetch_thread [2019-10-07 10:59:11,973 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_start_streaming [2019-10-07 10:59:11,973 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_stop_streaming [2019-10-07 10:59:11,973 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_start_feed [2019-10-07 10:59:11,973 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_stop_feed [2019-10-07 10:59:11,973 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_alloc_adapter [2019-10-07 10:59:11,973 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_cleanup_adapter [2019-10-07 10:59:11,973 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_suspend [2019-10-07 10:59:11,974 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_resume [2019-10-07 10:59:11,974 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_remove [2019-10-07 10:59:11,974 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_probe [2019-10-07 10:59:11,974 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_driver_init [2019-10-07 10:59:11,974 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_driver_exit [2019-10-07 10:59:11,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_late_2 [2019-10-07 10:59:11,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_restore_noirq_2 [2019-10-07 10:59:11,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_1 [2019-10-07 10:59:11,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_freeze_late_2 [2019-10-07 10:59:11,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_complete_2 [2019-10-07 10:59:11,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 10:59:11,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thaw_early_2 [2019-10-07 10:59:11,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_poweroff_noirq_2 [2019-10-07 10:59:11,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_noirq_2 [2019-10-07 10:59:11,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_2 [2019-10-07 10:59:11,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_prepare_2 [2019-10-07 10:59:11,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 10:59:11,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_restore_early_2 [2019-10-07 10:59:11,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_suspend_noirq_2 [2019-10-07 10:59:11,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_poweroff_late_2 [2019-10-07 10:59:11,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thaw_noirq_2 [2019-10-07 10:59:11,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_freeze_noirq_2 [2019-10-07 10:59:11,978 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 10:59:11,978 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-07 10:59:11,978 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2019-10-07 10:59:11,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-07 10:59:11,979 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2019-10-07 10:59:11,979 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_adapdata [2019-10-07 10:59:11,979 INFO L130 BoogieDeclarations]: Found specification of procedure cmdbuf_add [2019-10-07 10:59:11,979 INFO L130 BoogieDeclarations]: Found specification of procedure put_end [2019-10-07 10:59:11,979 INFO L130 BoogieDeclarations]: Found specification of procedure put_start [2019-10-07 10:59:11,979 INFO L130 BoogieDeclarations]: Found specification of procedure put_byte_write [2019-10-07 10:59:11,980 INFO L130 BoogieDeclarations]: Found specification of procedure put_byte_read [2019-10-07 10:59:11,980 INFO L130 BoogieDeclarations]: Found specification of procedure put_stop [2019-10-07 10:59:11,980 INFO L130 BoogieDeclarations]: Found specification of procedure translate [2019-10-07 10:59:11,980 INFO L130 BoogieDeclarations]: Found specification of procedure wait_i2c_result [2019-10-07 10:59:11,980 INFO L130 BoogieDeclarations]: Found specification of procedure send_i2c_cmd [2019-10-07 10:59:11,980 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-10-07 10:59:11,981 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-10-07 10:59:11,981 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_swfilter_packets [2019-10-07 10:59:11,981 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-07 10:59:11,981 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_base [2019-10-07 10:59:11,981 INFO L130 BoogieDeclarations]: Found specification of procedure next_unit [2019-10-07 10:59:11,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-07 10:59:11,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 10:59:11,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 10:59:11,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-10-07 10:59:11,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-10-07 10:59:11,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-10-07 10:59:11,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-07 10:59:11,984 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 10:59:11,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-07 10:59:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 10:59:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 10:59:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 10:59:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 10:59:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-07 10:59:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 10:59:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-07 10:59:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-07 10:59:11,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-07 10:59:13,516 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 10:59:31,172 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-10-07 10:59:34,738 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 10:59:34,738 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-07 10:59:34,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 10:59:34 BoogieIcfgContainer [2019-10-07 10:59:34,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 10:59:34,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 10:59:34,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 10:59:34,745 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 10:59:34,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 10:59:08" (1/3) ... [2019-10-07 10:59:34,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20ce5cdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 10:59:34, skipping insertion in model container [2019-10-07 10:59:34,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 10:59:11" (2/3) ... [2019-10-07 10:59:34,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20ce5cdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 10:59:34, skipping insertion in model container [2019-10-07 10:59:34,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 10:59:34" (3/3) ... [2019-10-07 10:59:34,748 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 [2019-10-07 10:59:34,757 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 10:59:34,767 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 10:59:34,778 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 10:59:34,809 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 10:59:34,809 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 10:59:34,809 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 10:59:34,809 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 10:59:34,810 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 10:59:34,810 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 10:59:34,810 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 10:59:34,810 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 10:59:34,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states. [2019-10-07 10:59:34,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-07 10:59:34,860 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:59:34,861 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 10:59:34,863 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:59:34,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:59:34,869 INFO L82 PathProgramCache]: Analyzing trace with hash -1597797358, now seen corresponding path program 1 times [2019-10-07 10:59:34,877 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:59:34,877 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:59:34,877 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:59:34,877 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:59:34,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:59:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:59:35,662 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-07 10:59:35,662 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:59:35,663 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:59:35,663 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 10:59:35,667 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 10:59:35,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 10:59:35,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:59:35,684 INFO L87 Difference]: Start difference. First operand 1156 states. Second operand 3 states. [2019-10-07 10:59:36,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:59:36,700 INFO L93 Difference]: Finished difference Result 3308 states and 4310 transitions. [2019-10-07 10:59:36,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 10:59:36,702 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2019-10-07 10:59:36,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:59:36,752 INFO L225 Difference]: With dead ends: 3308 [2019-10-07 10:59:36,752 INFO L226 Difference]: Without dead ends: 2177 [2019-10-07 10:59:36,766 INFO L606 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 [2019-10-07 10:59:36,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2177 states. [2019-10-07 10:59:36,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2177 to 2174. [2019-10-07 10:59:36,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2174 states. [2019-10-07 10:59:36,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 2174 states and 2807 transitions. [2019-10-07 10:59:36,999 INFO L78 Accepts]: Start accepts. Automaton has 2174 states and 2807 transitions. Word has length 54 [2019-10-07 10:59:37,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:59:37,000 INFO L462 AbstractCegarLoop]: Abstraction has 2174 states and 2807 transitions. [2019-10-07 10:59:37,000 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 10:59:37,000 INFO L276 IsEmpty]: Start isEmpty. Operand 2174 states and 2807 transitions. [2019-10-07 10:59:37,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-07 10:59:37,013 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:59:37,013 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 10:59:37,014 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:59:37,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:59:37,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1985779314, now seen corresponding path program 1 times [2019-10-07 10:59:37,014 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:59:37,015 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:59:37,015 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:59:37,015 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:59:37,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:59:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:59:37,391 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 10:59:37,391 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:59:37,391 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:59:37,392 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 10:59:37,395 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 10:59:37,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 10:59:37,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:59:37,395 INFO L87 Difference]: Start difference. First operand 2174 states and 2807 transitions. Second operand 3 states. [2019-10-07 10:59:37,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:59:37,562 INFO L93 Difference]: Finished difference Result 6477 states and 8408 transitions. [2019-10-07 10:59:37,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 10:59:37,562 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2019-10-07 10:59:37,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:59:37,591 INFO L225 Difference]: With dead ends: 6477 [2019-10-07 10:59:37,591 INFO L226 Difference]: Without dead ends: 4311 [2019-10-07 10:59:37,601 INFO L606 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 [2019-10-07 10:59:37,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4311 states. [2019-10-07 10:59:37,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4311 to 4299. [2019-10-07 10:59:37,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4299 states. [2019-10-07 10:59:37,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4299 states to 4299 states and 5570 transitions. [2019-10-07 10:59:37,822 INFO L78 Accepts]: Start accepts. Automaton has 4299 states and 5570 transitions. Word has length 70 [2019-10-07 10:59:37,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:59:37,823 INFO L462 AbstractCegarLoop]: Abstraction has 4299 states and 5570 transitions. [2019-10-07 10:59:37,824 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 10:59:37,824 INFO L276 IsEmpty]: Start isEmpty. Operand 4299 states and 5570 transitions. [2019-10-07 10:59:37,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-10-07 10:59:37,830 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:59:37,830 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 10:59:37,831 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:59:37,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:59:37,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1099748598, now seen corresponding path program 1 times [2019-10-07 10:59:37,832 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:59:37,832 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:59:37,832 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:59:37,832 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:59:37,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:59:37,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:59:38,134 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-07 10:59:38,135 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:59:38,135 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:59:38,135 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 10:59:38,136 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 10:59:38,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 10:59:38,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:59:38,136 INFO L87 Difference]: Start difference. First operand 4299 states and 5570 transitions. Second operand 3 states. [2019-10-07 10:59:38,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:59:38,443 INFO L93 Difference]: Finished difference Result 11479 states and 14923 transitions. [2019-10-07 10:59:38,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 10:59:38,444 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2019-10-07 10:59:38,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:59:38,486 INFO L225 Difference]: With dead ends: 11479 [2019-10-07 10:59:38,486 INFO L226 Difference]: Without dead ends: 7201 [2019-10-07 10:59:38,504 INFO L606 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 [2019-10-07 10:59:38,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7201 states. [2019-10-07 10:59:38,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7201 to 7171. [2019-10-07 10:59:38,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7171 states. [2019-10-07 10:59:38,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7171 states to 7171 states and 9338 transitions. [2019-10-07 10:59:38,812 INFO L78 Accepts]: Start accepts. Automaton has 7171 states and 9338 transitions. Word has length 81 [2019-10-07 10:59:38,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:59:38,817 INFO L462 AbstractCegarLoop]: Abstraction has 7171 states and 9338 transitions. [2019-10-07 10:59:38,817 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 10:59:38,817 INFO L276 IsEmpty]: Start isEmpty. Operand 7171 states and 9338 transitions. [2019-10-07 10:59:38,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-10-07 10:59:38,824 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:59:38,824 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 10:59:38,824 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:59:38,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:59:38,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1818024280, now seen corresponding path program 1 times [2019-10-07 10:59:38,825 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:59:38,825 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:59:38,825 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:59:38,826 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:59:38,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:59:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:59:39,086 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 10:59:39,086 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:59:39,086 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:59:39,087 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 10:59:39,088 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 10:59:39,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 10:59:39,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:59:39,089 INFO L87 Difference]: Start difference. First operand 7171 states and 9338 transitions. Second operand 3 states. [2019-10-07 10:59:39,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:59:39,697 INFO L93 Difference]: Finished difference Result 11519 states and 14998 transitions. [2019-10-07 10:59:39,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 10:59:39,698 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2019-10-07 10:59:39,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:59:39,723 INFO L225 Difference]: With dead ends: 11519 [2019-10-07 10:59:39,723 INFO L226 Difference]: Without dead ends: 4374 [2019-10-07 10:59:39,747 INFO L606 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 [2019-10-07 10:59:39,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4374 states. [2019-10-07 10:59:39,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4374 to 4369. [2019-10-07 10:59:39,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4369 states. [2019-10-07 10:59:39,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4369 states to 4369 states and 5682 transitions. [2019-10-07 10:59:39,938 INFO L78 Accepts]: Start accepts. Automaton has 4369 states and 5682 transitions. Word has length 114 [2019-10-07 10:59:39,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:59:39,938 INFO L462 AbstractCegarLoop]: Abstraction has 4369 states and 5682 transitions. [2019-10-07 10:59:39,938 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 10:59:39,939 INFO L276 IsEmpty]: Start isEmpty. Operand 4369 states and 5682 transitions. [2019-10-07 10:59:40,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-10-07 10:59:40,044 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:59:40,045 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 10:59:40,045 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:59:40,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:59:40,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1488025348, now seen corresponding path program 1 times [2019-10-07 10:59:40,046 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:59:40,046 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:59:40,046 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:59:40,047 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:59:40,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:59:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:59:40,367 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-07 10:59:40,368 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:59:40,369 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 10:59:40,369 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 10:59:40,369 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 10:59:40,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 10:59:40,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 10:59:40,371 INFO L87 Difference]: Start difference. First operand 4369 states and 5682 transitions. Second operand 3 states. [2019-10-07 10:59:40,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:59:40,975 INFO L93 Difference]: Finished difference Result 9608 states and 12496 transitions. [2019-10-07 10:59:40,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 10:59:40,976 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 137 [2019-10-07 10:59:40,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:59:41,011 INFO L225 Difference]: With dead ends: 9608 [2019-10-07 10:59:41,011 INFO L226 Difference]: Without dead ends: 5983 [2019-10-07 10:59:41,027 INFO L606 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 [2019-10-07 10:59:41,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5983 states. [2019-10-07 10:59:41,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5983 to 5953. [2019-10-07 10:59:41,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5953 states. [2019-10-07 10:59:41,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5953 states to 5953 states and 7740 transitions. [2019-10-07 10:59:41,245 INFO L78 Accepts]: Start accepts. Automaton has 5953 states and 7740 transitions. Word has length 137 [2019-10-07 10:59:41,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:59:41,245 INFO L462 AbstractCegarLoop]: Abstraction has 5953 states and 7740 transitions. [2019-10-07 10:59:41,246 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 10:59:41,246 INFO L276 IsEmpty]: Start isEmpty. Operand 5953 states and 7740 transitions. [2019-10-07 10:59:41,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-10-07 10:59:41,254 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:59:41,254 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 10:59:41,254 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:59:41,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:59:41,255 INFO L82 PathProgramCache]: Analyzing trace with hash 978384722, now seen corresponding path program 1 times [2019-10-07 10:59:41,255 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:59:41,255 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:59:41,255 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:59:41,255 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:59:41,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:59:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:59:41,713 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-07 10:59:41,714 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:59:41,714 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 10:59:41,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 10:59:42,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:59:42,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 3214 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-07 10:59:42,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 10:59:42,836 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:59:43,015 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 10:59:43,016 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 10:59:43,046 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:59:43,095 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:59:43,097 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:59:43,321 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-07 10:59:43,322 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 10:59:43,322 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [6] total 10 [2019-10-07 10:59:43,323 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 10:59:43,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 10:59:43,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2019-10-07 10:59:43,324 INFO L87 Difference]: Start difference. First operand 5953 states and 7740 transitions. Second operand 8 states. [2019-10-07 10:59:55,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 10:59:55,455 INFO L93 Difference]: Finished difference Result 15308 states and 20430 transitions. [2019-10-07 10:59:55,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 10:59:55,456 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 156 [2019-10-07 10:59:55,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 10:59:55,533 INFO L225 Difference]: With dead ends: 15308 [2019-10-07 10:59:55,533 INFO L226 Difference]: Without dead ends: 10099 [2019-10-07 10:59:55,555 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2019-10-07 10:59:55,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10099 states. [2019-10-07 10:59:55,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10099 to 8857. [2019-10-07 10:59:55,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8857 states. [2019-10-07 10:59:55,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8857 states to 8857 states and 11562 transitions. [2019-10-07 10:59:55,949 INFO L78 Accepts]: Start accepts. Automaton has 8857 states and 11562 transitions. Word has length 156 [2019-10-07 10:59:55,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 10:59:55,949 INFO L462 AbstractCegarLoop]: Abstraction has 8857 states and 11562 transitions. [2019-10-07 10:59:55,950 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 10:59:55,950 INFO L276 IsEmpty]: Start isEmpty. Operand 8857 states and 11562 transitions. [2019-10-07 10:59:55,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-10-07 10:59:55,970 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 10:59:55,970 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 10:59:56,192 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 10:59:56,192 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 10:59:56,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 10:59:56,193 INFO L82 PathProgramCache]: Analyzing trace with hash 55670116, now seen corresponding path program 1 times [2019-10-07 10:59:56,194 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 10:59:56,194 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:59:56,195 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:59:56,195 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 10:59:56,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 10:59:56,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:59:56,777 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-07 10:59:56,778 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 10:59:56,778 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 10:59:56,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 10:59:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 10:59:58,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 3286 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-07 10:59:58,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 10:59:58,204 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:59:58,238 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 10:59:58,239 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 10:59:58,270 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:59:58,347 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:59:58,348 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:59:58,400 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 10:59:58,586 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-07 10:59:58,587 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 10:59:58,587 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [7] total 13 [2019-10-07 10:59:58,588 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 10:59:58,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 10:59:58,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2019-10-07 10:59:58,589 INFO L87 Difference]: Start difference. First operand 8857 states and 11562 transitions. Second operand 10 states. [2019-10-07 11:00:09,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:00:09,515 INFO L93 Difference]: Finished difference Result 21630 states and 28934 transitions. [2019-10-07 11:00:09,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-07 11:00:09,515 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 173 [2019-10-07 11:00:09,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:00:09,587 INFO L225 Difference]: With dead ends: 21630 [2019-10-07 11:00:09,587 INFO L226 Difference]: Without dead ends: 13517 [2019-10-07 11:00:09,618 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2019-10-07 11:00:09,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13517 states. [2019-10-07 11:00:09,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13517 to 8897. [2019-10-07 11:00:09,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8897 states. [2019-10-07 11:00:10,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8897 states to 8897 states and 11627 transitions. [2019-10-07 11:00:10,008 INFO L78 Accepts]: Start accepts. Automaton has 8897 states and 11627 transitions. Word has length 173 [2019-10-07 11:00:10,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:00:10,010 INFO L462 AbstractCegarLoop]: Abstraction has 8897 states and 11627 transitions. [2019-10-07 11:00:10,011 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 11:00:10,011 INFO L276 IsEmpty]: Start isEmpty. Operand 8897 states and 11627 transitions. [2019-10-07 11:00:10,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-10-07 11:00:10,033 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:00:10,033 INFO L385 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:00:10,248 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 11:00:10,249 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:00:10,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:00:10,249 INFO L82 PathProgramCache]: Analyzing trace with hash 742708789, now seen corresponding path program 1 times [2019-10-07 11:00:10,251 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:00:10,251 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:00:10,252 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:00:10,252 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:00:10,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:00:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:00:11,082 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-07 11:00:11,083 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:00:11,083 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:00:11,083 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 11:00:11,084 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 11:00:11,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 11:00:11,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 11:00:11,092 INFO L87 Difference]: Start difference. First operand 8897 states and 11627 transitions. Second operand 6 states. [2019-10-07 11:00:11,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:00:11,441 INFO L93 Difference]: Finished difference Result 17772 states and 23231 transitions. [2019-10-07 11:00:11,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 11:00:11,442 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 186 [2019-10-07 11:00:11,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:00:11,488 INFO L225 Difference]: With dead ends: 17772 [2019-10-07 11:00:11,488 INFO L226 Difference]: Without dead ends: 8898 [2019-10-07 11:00:11,538 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-07 11:00:11,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8898 states. [2019-10-07 11:00:11,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8898 to 8898. [2019-10-07 11:00:11,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8898 states. [2019-10-07 11:00:12,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8898 states to 8898 states and 11628 transitions. [2019-10-07 11:00:12,237 INFO L78 Accepts]: Start accepts. Automaton has 8898 states and 11628 transitions. Word has length 186 [2019-10-07 11:00:12,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:00:12,238 INFO L462 AbstractCegarLoop]: Abstraction has 8898 states and 11628 transitions. [2019-10-07 11:00:12,238 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 11:00:12,238 INFO L276 IsEmpty]: Start isEmpty. Operand 8898 states and 11628 transitions. [2019-10-07 11:00:12,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-10-07 11:00:12,252 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:00:12,252 INFO L385 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:00:12,253 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:00:12,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:00:12,254 INFO L82 PathProgramCache]: Analyzing trace with hash 764463481, now seen corresponding path program 1 times [2019-10-07 11:00:12,254 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:00:12,254 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:00:12,254 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:00:12,254 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:00:12,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:00:12,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:00:12,821 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-07 11:00:12,821 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:00:12,822 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 11:00:12,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 11:00:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:00:14,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 3353 conjuncts, 12 conjunts are in the unsatisfiable core [2019-10-07 11:00:14,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 11:00:14,262 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:00:14,293 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-07 11:00:14,293 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 11:00:14,425 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 11:00:14,665 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2019-10-07 11:00:14,666 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 11:00:14,666 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [7] total 15 [2019-10-07 11:00:14,668 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 11:00:14,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 11:00:14,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2019-10-07 11:00:14,669 INFO L87 Difference]: Start difference. First operand 8898 states and 11628 transitions. Second operand 10 states. [2019-10-07 11:00:30,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:00:30,704 INFO L93 Difference]: Finished difference Result 21679 states and 29013 transitions. [2019-10-07 11:00:30,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-07 11:00:30,705 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 187 [2019-10-07 11:00:30,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:00:30,757 INFO L225 Difference]: With dead ends: 21679 [2019-10-07 11:00:30,757 INFO L226 Difference]: Without dead ends: 13526 [2019-10-07 11:00:30,778 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 370 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2019-10-07 11:00:30,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13526 states. [2019-10-07 11:00:31,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13526 to 8901. [2019-10-07 11:00:31,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8901 states. [2019-10-07 11:00:31,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8901 states to 8901 states and 11633 transitions. [2019-10-07 11:00:31,408 INFO L78 Accepts]: Start accepts. Automaton has 8901 states and 11633 transitions. Word has length 187 [2019-10-07 11:00:31,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:00:31,411 INFO L462 AbstractCegarLoop]: Abstraction has 8901 states and 11633 transitions. [2019-10-07 11:00:31,411 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 11:00:31,411 INFO L276 IsEmpty]: Start isEmpty. Operand 8901 states and 11633 transitions. [2019-10-07 11:00:31,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2019-10-07 11:00:31,434 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:00:31,435 INFO L385 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:00:31,650 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 11:00:31,651 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:00:31,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:00:31,653 INFO L82 PathProgramCache]: Analyzing trace with hash -871641220, now seen corresponding path program 1 times [2019-10-07 11:00:31,653 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:00:31,653 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:00:31,654 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:00:31,654 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:00:31,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:00:31,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:00:32,205 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2019-10-07 11:00:32,206 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:00:32,206 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:00:32,206 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:00:32,207 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:00:32,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:00:32,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:00:32,208 INFO L87 Difference]: Start difference. First operand 8901 states and 11633 transitions. Second operand 3 states. [2019-10-07 11:00:32,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:00:32,484 INFO L93 Difference]: Finished difference Result 17075 states and 22335 transitions. [2019-10-07 11:00:32,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:00:32,484 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 284 [2019-10-07 11:00:32,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:00:32,519 INFO L225 Difference]: With dead ends: 17075 [2019-10-07 11:00:32,519 INFO L226 Difference]: Without dead ends: 8919 [2019-10-07 11:00:32,537 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:00:32,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8919 states. [2019-10-07 11:00:32,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8919 to 8919. [2019-10-07 11:00:32,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8919 states. [2019-10-07 11:00:32,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8919 states to 8919 states and 11660 transitions. [2019-10-07 11:00:32,830 INFO L78 Accepts]: Start accepts. Automaton has 8919 states and 11660 transitions. Word has length 284 [2019-10-07 11:00:32,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:00:32,831 INFO L462 AbstractCegarLoop]: Abstraction has 8919 states and 11660 transitions. [2019-10-07 11:00:32,831 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:00:32,831 INFO L276 IsEmpty]: Start isEmpty. Operand 8919 states and 11660 transitions. [2019-10-07 11:00:32,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2019-10-07 11:00:32,853 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:00:32,853 INFO L385 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:00:32,854 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:00:32,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:00:32,854 INFO L82 PathProgramCache]: Analyzing trace with hash 362294833, now seen corresponding path program 1 times [2019-10-07 11:00:32,855 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:00:32,855 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:00:32,855 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:00:32,855 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:00:32,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:00:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:00:33,444 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2019-10-07 11:00:33,444 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:00:33,444 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:00:33,445 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 11:00:33,445 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 11:00:33,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 11:00:33,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-07 11:00:33,446 INFO L87 Difference]: Start difference. First operand 8919 states and 11660 transitions. Second operand 5 states. [2019-10-07 11:00:33,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:00:33,794 INFO L93 Difference]: Finished difference Result 18107 states and 23926 transitions. [2019-10-07 11:00:33,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 11:00:33,795 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 307 [2019-10-07 11:00:33,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:00:34,085 INFO L225 Difference]: With dead ends: 18107 [2019-10-07 11:00:34,085 INFO L226 Difference]: Without dead ends: 9194 [2019-10-07 11:00:34,110 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-10-07 11:00:34,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9194 states. [2019-10-07 11:00:34,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9194 to 9040. [2019-10-07 11:00:34,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9040 states. [2019-10-07 11:00:34,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9040 states to 9040 states and 11814 transitions. [2019-10-07 11:00:34,481 INFO L78 Accepts]: Start accepts. Automaton has 9040 states and 11814 transitions. Word has length 307 [2019-10-07 11:00:34,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:00:34,485 INFO L462 AbstractCegarLoop]: Abstraction has 9040 states and 11814 transitions. [2019-10-07 11:00:34,485 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 11:00:34,485 INFO L276 IsEmpty]: Start isEmpty. Operand 9040 states and 11814 transitions. [2019-10-07 11:00:34,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2019-10-07 11:00:34,500 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:00:34,500 INFO L385 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:00:34,501 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:00:34,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:00:34,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1487795185, now seen corresponding path program 1 times [2019-10-07 11:00:34,501 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:00:34,501 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:00:34,502 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:00:34,502 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:00:34,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:00:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:00:34,869 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2019-10-07 11:00:34,869 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:00:34,869 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:00:34,870 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 11:00:34,870 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 11:00:34,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 11:00:34,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 11:00:34,871 INFO L87 Difference]: Start difference. First operand 9040 states and 11814 transitions. Second operand 6 states. [2019-10-07 11:00:35,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:00:35,155 INFO L93 Difference]: Finished difference Result 18140 states and 23926 transitions. [2019-10-07 11:00:35,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 11:00:35,156 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 312 [2019-10-07 11:00:35,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:00:35,196 INFO L225 Difference]: With dead ends: 18140 [2019-10-07 11:00:35,196 INFO L226 Difference]: Without dead ends: 9128 [2019-10-07 11:00:35,221 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-07 11:00:35,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9128 states. [2019-10-07 11:00:35,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9128 to 9084. [2019-10-07 11:00:35,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9084 states. [2019-10-07 11:00:35,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9084 states to 9084 states and 11858 transitions. [2019-10-07 11:00:35,575 INFO L78 Accepts]: Start accepts. Automaton has 9084 states and 11858 transitions. Word has length 312 [2019-10-07 11:00:35,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:00:35,576 INFO L462 AbstractCegarLoop]: Abstraction has 9084 states and 11858 transitions. [2019-10-07 11:00:35,576 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 11:00:35,577 INFO L276 IsEmpty]: Start isEmpty. Operand 9084 states and 11858 transitions. [2019-10-07 11:00:35,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2019-10-07 11:00:35,590 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:00:35,591 INFO L385 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:00:35,591 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:00:35,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:00:35,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1347497618, now seen corresponding path program 1 times [2019-10-07 11:00:35,592 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:00:35,592 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:00:35,592 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:00:35,592 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:00:35,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:00:36,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:00:37,411 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2019-10-07 11:00:37,412 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:00:37,412 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 11:00:37,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 11:00:38,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:00:38,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 4111 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-07 11:00:38,551 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 11:00:38,676 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2019-10-07 11:00:38,677 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 11:00:39,433 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2019-10-07 11:00:39,433 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 11:00:39,483 INFO L162 IcfgInterpreter]: Started Sifa with 254 locations of interest [2019-10-07 11:00:39,484 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 11:00:39,494 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 11:00:39,504 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 11:00:39,505 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 11:00:42,748 WARN L191 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 2436 [2019-10-07 11:00:44,671 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 2436 [2019-10-07 11:00:46,460 WARN L191 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 2436 [2019-10-07 11:00:48,190 WARN L191 SmtUtils]: Spent 904.00 ms on a formula simplification that was a NOOP. DAG size: 2436 [2019-10-07 11:00:50,172 WARN L191 SmtUtils]: Spent 979.00 ms on a formula simplification that was a NOOP. DAG size: 2436 [2019-10-07 11:00:51,862 WARN L191 SmtUtils]: Spent 863.00 ms on a formula simplification that was a NOOP. DAG size: 2436 [2019-10-07 11:02:00,964 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#cfg_ter~0.base| |~#adapter_nr~0.base|) [2019-10-07 11:02:31,299 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string470.base| |~#adapter_nr~0.base|) [2019-10-07 11:03:24,134 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string420.base| |~#pt3_i2c_algo~0.base|) [2019-10-07 11:03:29,251 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string437.base| |~#pt3_i2c_algo~0.base|) [2019-10-07 11:04:01,204 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#adap_conf~0.base| |~#cfg_sat~0.base|) [2019-10-07 11:04:30,908 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string474.base| |~#adap_conf~0.base|) [2019-10-07 11:05:03,907 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |~#init0_sat~0.base| |#t~string186.base|) [2019-10-07 11:08:51,830 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string202.base| |#t~string186.base|) [2019-10-07 11:09:04,054 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string186.base| |#t~string397.base|) [2019-10-07 11:09:14,903 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string457.base| |#t~string186.base|) [2019-10-07 11:10:22,169 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string195.base| |#t~string569.base|) [2019-10-07 11:10:37,590 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string202.base| |#t~string220.base|) [2019-10-07 11:11:17,921 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string202.base| |#t~string569.base|) [2019-10-07 11:12:20,288 WARN L160 IndexEqualityManager]: solver failed to check if following equality is implied: (= |#t~string220.base| |#t~string226.base|)