/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pt.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 20:06:12,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 20:06:12,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 20:06:12,719 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 20:06:12,720 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 20:06:12,722 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 20:06:12,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 20:06:12,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 20:06:12,734 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 20:06:12,737 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 20:06:12,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 20:06:12,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 20:06:12,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 20:06:12,742 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 20:06:12,744 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 20:06:12,746 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 20:06:12,748 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 20:06:12,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 20:06:12,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 20:06:12,756 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 20:06:12,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 20:06:12,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 20:06:12,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 20:06:12,761 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 20:06:12,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 20:06:12,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 20:06:12,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 20:06:12,764 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 20:06:12,765 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 20:06:12,765 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 20:06:12,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 20:06:12,766 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 20:06:12,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 20:06:12,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 20:06:12,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 20:06:12,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 20:06:12,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 20:06:12,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 20:06:12,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 20:06:12,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 20:06:12,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 20:06:12,772 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 [2019-11-06 20:06:12,786 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 20:06:12,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 20:06:12,787 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 20:06:12,788 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 20:06:12,788 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 20:06:12,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 20:06:12,788 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 20:06:12,788 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 20:06:12,789 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 20:06:12,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 20:06:12,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 20:06:12,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 20:06:12,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 20:06:12,790 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 20:06:12,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 20:06:12,790 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 20:06:12,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 20:06:12,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 20:06:12,791 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 20:06:12,791 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 20:06:12,791 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 20:06:12,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 20:06:12,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 20:06:12,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 20:06:12,792 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 20:06:12,792 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 20:06:12,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 20:06:12,793 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 20:06:12,793 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 20:06:13,079 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 20:06:13,092 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 20:06:13,096 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 20:06:13,097 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 20:06:13,098 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 20:06:13,098 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pt.ko-entry_point.cil.out.i [2019-11-06 20:06:13,160 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69f67d2a1/2a2bb90968f84a1793ea144e3996ef20/FLAGd5406989e [2019-11-06 20:06:13,907 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 20:06:13,908 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pt.ko-entry_point.cil.out.i [2019-11-06 20:06:13,947 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69f67d2a1/2a2bb90968f84a1793ea144e3996ef20/FLAGd5406989e [2019-11-06 20:06:13,997 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69f67d2a1/2a2bb90968f84a1793ea144e3996ef20 [2019-11-06 20:06:14,005 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 20:06:14,007 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 20:06:14,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 20:06:14,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 20:06:14,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 20:06:14,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:06:13" (1/1) ... [2019-11-06 20:06:14,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19cc2bf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:06:14, skipping insertion in model container [2019-11-06 20:06:14,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:06:13" (1/1) ... [2019-11-06 20:06:14,023 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 20:06:14,115 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 20:06:14,705 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3048] [2019-11-06 20:06:14,705 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3049-3050] [2019-11-06 20:06:15,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 20:06:15,462 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 20:06:15,608 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3048] [2019-11-06 20:06:15,609 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3049-3050] [2019-11-06 20:06:15,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 20:06:15,968 INFO L192 MainTranslator]: Completed translation [2019-11-06 20:06:15,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:06:15 WrapperNode [2019-11-06 20:06:15,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 20:06:15,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 20:06:15,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 20:06:15,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 20:06:15,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:06:15" (1/1) ... [2019-11-06 20:06:15,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:06:15" (1/1) ... [2019-11-06 20:06:16,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:06:15" (1/1) ... [2019-11-06 20:06:16,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:06:15" (1/1) ... [2019-11-06 20:06:16,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:06:15" (1/1) ... [2019-11-06 20:06:16,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:06:15" (1/1) ... [2019-11-06 20:06:16,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:06:15" (1/1) ... [2019-11-06 20:06:16,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 20:06:16,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 20:06:16,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 20:06:16,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 20:06:16,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:06:15" (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 [2019-11-06 20:06:16,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 20:06:16,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 20:06:16,321 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-11-06 20:06:16,321 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-11-06 20:06:16,321 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-11-06 20:06:16,321 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-11-06 20:06:16,321 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-11-06 20:06:16,322 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-11-06 20:06:16,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-06 20:06:16,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_12 [2019-11-06 20:06:16,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-06 20:06:16,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-06 20:06:16,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-11-06 20:06:16,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-11-06 20:06:16,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-11-06 20:06:16,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-06 20:06:16,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-11-06 20:06:16,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-06 20:06:16,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-11-06 20:06:16,324 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2019-11-06 20:06:16,324 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev [2019-11-06 20:06:16,324 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2019-11-06 20:06:16,324 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-11-06 20:06:16,325 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-11-06 20:06:16,325 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2019-11-06 20:06:16,325 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2019-11-06 20:06:16,325 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2019-11-06 20:06:16,325 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2019-11-06 20:06:16,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_wait [2019-11-06 20:06:16,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_command [2019-11-06 20:06:16,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_completion [2019-11-06 20:06:16,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_req_sense [2019-11-06 20:06:16,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_atapi [2019-11-06 20:06:16,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_sleep [2019-11-06 20:06:16,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_poll_dsc [2019-11-06 20:06:16,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_media_access_cmd [2019-11-06 20:06:16,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_rewind [2019-11-06 20:06:16,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write_fm [2019-11-06 20:06:16,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_reset [2019-11-06 20:06:16,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_ready_wait [2019-11-06 20:06:16,327 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2019-11-06 20:06:16,328 INFO L138 BoogieDeclarations]: Found implementation of procedure xn [2019-11-06 20:06:16,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_identify [2019-11-06 20:06:16,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_probe [2019-11-06 20:06:16,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_detect [2019-11-06 20:06:16,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_open [2019-11-06 20:06:16,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_ioctl [2019-11-06 20:06:16,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_release [2019-11-06 20:06:16,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_read [2019-11-06 20:06:16,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write [2019-11-06 20:06:16,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_init [2019-11-06 20:06:16,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_exit [2019-11-06 20:06:16,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_1 [2019-11-06 20:06:16,330 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 20:06:16,330 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-06 20:06:16,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_16 [2019-11-06 20:06:16,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_chrdev_19 [2019-11-06 20:06:16,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_20 [2019-11-06 20:06:16,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-11-06 20:06:16,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-11-06 20:06:16,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-11-06 20:06:16,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-11-06 20:06:16,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-11-06 20:06:16,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-11-06 20:06:16,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_create [2019-11-06 20:06:16,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-11-06 20:06:16,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-11-06 20:06:16,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-11-06 20:06:16,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __register_chrdev [2019-11-06 20:06:16,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __unregister_chrdev [2019-11-06 20:06:16,332 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-11-06 20:06:16,332 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-11-06 20:06:16,333 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2019-11-06 20:06:16,333 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2019-11-06 20:06:16,333 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2019-11-06 20:06:16,333 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2019-11-06 20:06:16,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-06 20:06:16,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-06 20:06:16,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-11-06 20:06:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-11-06 20:06:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-11-06 20:06:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-06 20:06:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2019-11-06 20:06:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2019-11-06 20:06:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2019-11-06 20:06:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2019-11-06 20:06:16,335 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2019-11-06 20:06:16,335 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2019-11-06 20:06:16,335 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2019-11-06 20:06:16,335 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2019-11-06 20:06:16,335 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_regr [2019-11-06 20:06:16,335 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-06 20:06:16,336 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2019-11-06 20:06:16,336 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-06 20:06:16,336 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-06 20:06:16,336 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-06 20:06:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 20:06:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 20:06:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-06 20:06:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-06 20:06:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-11-06 20:06:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-11-06 20:06:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-11-06 20:06:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-11-06 20:06:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-11-06 20:06:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 20:06:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-11-06 20:06:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 20:06:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-11-06 20:06:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-11-06 20:06:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-11-06 20:06:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-06 20:06:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-06 20:06:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-06 20:06:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-06 20:06:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2019-11-06 20:06:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_16 [2019-11-06 20:06:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_12 [2019-11-06 20:06:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-06 20:06:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-11-06 20:06:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 20:06:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-06 20:06:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 20:06:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2019-11-06 20:06:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_loff_t [2019-11-06 20:06:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-11-06 20:06:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-06 20:06:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-06 20:06:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-06 20:06:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 20:06:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-06 20:06:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-06 20:06:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-11-06 20:06:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-11-06 20:06:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-11-06 20:06:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-06 20:06:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-11-06 20:06:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-11-06 20:06:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_1 [2019-11-06 20:06:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2019-11-06 20:06:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure __register_chrdev [2019-11-06 20:06:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure __unregister_chrdev [2019-11-06 20:06:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev [2019-11-06 20:06:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_chrdev_19 [2019-11-06 20:06:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2019-11-06 20:06:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_20 [2019-11-06 20:06:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2019-11-06 20:06:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-11-06 20:06:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2019-11-06 20:06:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2019-11-06 20:06:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2019-11-06 20:06:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2019-11-06 20:06:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2019-11-06 20:06:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-11-06 20:06:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-11-06 20:06:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-11-06 20:06:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-11-06 20:06:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-11-06 20:06:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-11-06 20:06:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2019-11-06 20:06:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2019-11-06 20:06:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_regr [2019-11-06 20:06:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2019-11-06 20:06:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2019-11-06 20:06:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2019-11-06 20:06:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2019-11-06 20:06:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2019-11-06 20:06:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure pt_open [2019-11-06 20:06:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure pt_ioctl [2019-11-06 20:06:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure pt_release [2019-11-06 20:06:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure pt_read [2019-11-06 20:06:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write [2019-11-06 20:06:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure pt_detect [2019-11-06 20:06:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure pt_identify [2019-11-06 20:06:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2019-11-06 20:06:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2019-11-06 20:06:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2019-11-06 20:06:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2019-11-06 20:06:16,349 INFO L130 BoogieDeclarations]: Found specification of procedure pt_wait [2019-11-06 20:06:16,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 20:06:16,349 INFO L130 BoogieDeclarations]: Found specification of procedure pt_command [2019-11-06 20:06:16,349 INFO L130 BoogieDeclarations]: Found specification of procedure pt_completion [2019-11-06 20:06:16,349 INFO L130 BoogieDeclarations]: Found specification of procedure pt_req_sense [2019-11-06 20:06:16,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 20:06:16,349 INFO L130 BoogieDeclarations]: Found specification of procedure pt_atapi [2019-11-06 20:06:16,350 INFO L130 BoogieDeclarations]: Found specification of procedure pt_sleep [2019-11-06 20:06:16,350 INFO L130 BoogieDeclarations]: Found specification of procedure pt_poll_dsc [2019-11-06 20:06:16,350 INFO L130 BoogieDeclarations]: Found specification of procedure pt_media_access_cmd [2019-11-06 20:06:16,350 INFO L130 BoogieDeclarations]: Found specification of procedure pt_rewind [2019-11-06 20:06:16,350 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write_fm [2019-11-06 20:06:16,350 INFO L130 BoogieDeclarations]: Found specification of procedure pt_reset [2019-11-06 20:06:16,350 INFO L130 BoogieDeclarations]: Found specification of procedure pt_ready_wait [2019-11-06 20:06:16,351 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2019-11-06 20:06:16,351 INFO L130 BoogieDeclarations]: Found specification of procedure xn [2019-11-06 20:06:16,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 20:06:16,351 INFO L130 BoogieDeclarations]: Found specification of procedure pt_probe [2019-11-06 20:06:16,351 INFO L130 BoogieDeclarations]: Found specification of procedure pt_init [2019-11-06 20:06:16,351 INFO L130 BoogieDeclarations]: Found specification of procedure pt_exit [2019-11-06 20:06:16,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-06 20:06:16,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-06 20:06:16,352 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 20:06:16,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-11-06 20:06:16,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-11-06 20:06:16,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-11-06 20:06:16,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-11-06 20:06:16,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-11-06 20:06:16,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-11-06 20:06:16,353 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-06 20:06:16,353 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-11-06 20:06:16,353 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 20:06:16,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 20:06:16,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 20:06:16,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-06 20:06:16,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 20:06:16,972 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-11-06 20:06:24,411 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 20:06:24,411 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-06 20:06:24,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:06:24 BoogieIcfgContainer [2019-11-06 20:06:24,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 20:06:24,414 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 20:06:24,414 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 20:06:24,418 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 20:06:24,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:06:13" (1/3) ... [2019-11-06 20:06:24,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@242b2b68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:06:24, skipping insertion in model container [2019-11-06 20:06:24,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:06:15" (2/3) ... [2019-11-06 20:06:24,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@242b2b68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:06:24, skipping insertion in model container [2019-11-06 20:06:24,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:06:24" (3/3) ... [2019-11-06 20:06:24,421 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pt.ko-entry_point.cil.out.i [2019-11-06 20:06:24,432 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 20:06:24,443 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 20:06:24,455 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 20:06:24,496 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 20:06:24,496 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 20:06:24,496 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 20:06:24,496 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 20:06:24,496 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 20:06:24,496 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 20:06:24,497 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 20:06:24,497 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 20:06:24,542 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states. [2019-11-06 20:06:24,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-11-06 20:06:24,581 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 20:06:24,582 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2019-11-06 20:06:24,585 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 20:06:24,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 20:06:24,592 INFO L82 PathProgramCache]: Analyzing trace with hash -513910436, now seen corresponding path program 1 times [2019-11-06 20:06:24,602 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 20:06:24,603 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662887521] [2019-11-06 20:06:24,603 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 20:06:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:26,615 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 448 [2019-11-06 20:06:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:26,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:26,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:26,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:26,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:26,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:26,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:26,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:26,994 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-06 20:06:26,994 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662887521] [2019-11-06 20:06:26,995 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 20:06:26,995 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-06 20:06:26,996 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322853178] [2019-11-06 20:06:27,002 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-06 20:06:27,003 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 20:06:27,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-06 20:06:27,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-06 20:06:27,020 INFO L87 Difference]: Start difference. First operand 834 states. Second operand 6 states. [2019-11-06 20:06:29,782 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 450 [2019-11-06 20:06:49,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 20:06:49,568 INFO L93 Difference]: Finished difference Result 1902 states and 2614 transitions. [2019-11-06 20:06:49,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 20:06:49,569 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 142 [2019-11-06 20:06:49,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 20:06:49,601 INFO L225 Difference]: With dead ends: 1902 [2019-11-06 20:06:49,602 INFO L226 Difference]: Without dead ends: 1016 [2019-11-06 20:06:49,617 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-11-06 20:06:49,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1016 states. [2019-11-06 20:06:49,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 910. [2019-11-06 20:06:49,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 910 states. [2019-11-06 20:06:49,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1209 transitions. [2019-11-06 20:06:49,901 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 1209 transitions. Word has length 142 [2019-11-06 20:06:49,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 20:06:49,902 INFO L462 AbstractCegarLoop]: Abstraction has 910 states and 1209 transitions. [2019-11-06 20:06:49,902 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-06 20:06:49,902 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1209 transitions. [2019-11-06 20:06:49,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2019-11-06 20:06:49,911 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 20:06:49,911 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 20:06:49,912 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 20:06:49,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 20:06:49,912 INFO L82 PathProgramCache]: Analyzing trace with hash -357216398, now seen corresponding path program 1 times [2019-11-06 20:06:49,912 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 20:06:49,913 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287260544] [2019-11-06 20:06:49,913 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 20:06:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:51,382 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 448 [2019-11-06 20:06:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:51,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:51,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:51,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:51,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:51,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:51,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:06:51,948 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-11-06 20:06:51,948 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287260544] [2019-11-06 20:06:51,948 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 20:06:51,949 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-06 20:06:51,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743184969] [2019-11-06 20:06:51,952 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 20:06:51,952 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 20:06:51,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 20:06:51,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2019-11-06 20:06:51,953 INFO L87 Difference]: Start difference. First operand 910 states and 1209 transitions. Second operand 9 states.