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-f4eb214f-m [2019-10-13 18:32:51,343 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 18:32:51,345 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 18:32:51,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 18:32:51,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 18:32:51,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 18:32:51,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 18:32:51,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 18:32:51,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 18:32:51,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 18:32:51,387 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 18:32:51,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 18:32:51,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 18:32:51,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 18:32:51,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 18:32:51,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 18:32:51,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 18:32:51,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 18:32:51,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 18:32:51,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 18:32:51,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 18:32:51,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 18:32:51,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 18:32:51,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 18:32:51,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 18:32:51,424 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 18:32:51,424 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 18:32:51,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 18:32:51,427 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 18:32:51,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 18:32:51,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 18:32:51,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 18:32:51,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 18:32:51,432 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 18:32:51,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 18:32:51,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 18:32:51,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 18:32:51,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 18:32:51,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 18:32:51,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 18:32:51,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 18:32:51,439 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 [2019-10-13 18:32:51,461 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 18:32:51,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 18:32:51,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 18:32:51,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 18:32:51,464 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 18:32:51,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 18:32:51,465 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 18:32:51,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 18:32:51,465 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 18:32:51,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 18:32:51,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 18:32:51,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 18:32:51,467 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 18:32:51,467 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 18:32:51,468 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 18:32:51,468 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 18:32:51,468 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 18:32:51,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 18:32:51,468 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 18:32:51,469 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 18:32:51,469 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 18:32:51,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 18:32:51,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 18:32:51,470 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 18:32:51,470 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 18:32:51,470 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 18:32:51,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 18:32:51,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 18:32:51,470 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 18:32:51,806 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 18:32:51,825 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 18:32:51,829 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 18:32:51,830 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 18:32:51,831 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 18:32:51,831 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pt.ko-entry_point.cil.out.i [2019-10-13 18:32:51,897 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/499e236d4/cd19bb0bbe944b63a35a9197779e7e0b/FLAG782e7ad72 [2019-10-13 18:32:52,633 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 18:32:52,634 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pt.ko-entry_point.cil.out.i [2019-10-13 18:32:52,664 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/499e236d4/cd19bb0bbe944b63a35a9197779e7e0b/FLAG782e7ad72 [2019-10-13 18:32:52,746 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/499e236d4/cd19bb0bbe944b63a35a9197779e7e0b [2019-10-13 18:32:52,757 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 18:32:52,759 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 18:32:52,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 18:32:52,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 18:32:52,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 18:32:52,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:32:52" (1/1) ... [2019-10-13 18:32:52,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41493ca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:32:52, skipping insertion in model container [2019-10-13 18:32:52,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:32:52" (1/1) ... [2019-10-13 18:32:52,773 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 18:32:52,863 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 18:32:53,510 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3048] [2019-10-13 18:32:53,511 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] [2019-10-13 18:32:54,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 18:32:54,271 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 18:32:54,335 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3048] [2019-10-13 18:32:54,335 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] [2019-10-13 18:32:54,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 18:32:54,524 INFO L192 MainTranslator]: Completed translation [2019-10-13 18:32:54,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:32:54 WrapperNode [2019-10-13 18:32:54,525 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 18:32:54,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 18:32:54,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 18:32:54,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 18:32:54,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:32:54" (1/1) ... [2019-10-13 18:32:54,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:32:54" (1/1) ... [2019-10-13 18:32:54,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:32:54" (1/1) ... [2019-10-13 18:32:54,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:32:54" (1/1) ... [2019-10-13 18:32:54,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:32:54" (1/1) ... [2019-10-13 18:32:54,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:32:54" (1/1) ... [2019-10-13 18:32:54,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:32:54" (1/1) ... [2019-10-13 18:32:54,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 18:32:54,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 18:32:54,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 18:32:54,827 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 18:32:54,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:32:54" (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 [2019-10-13 18:32:54,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 18:32:54,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 18:32:54,903 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-13 18:32:54,903 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-13 18:32:54,904 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-13 18:32:54,904 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-10-13 18:32:54,904 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-13 18:32:54,904 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-10-13 18:32:54,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 18:32:54,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_12 [2019-10-13 18:32:54,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 18:32:54,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 18:32:54,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 18:32:54,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 18:32:54,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 18:32:54,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 18:32:54,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 18:32:54,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 18:32:54,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 18:32:54,910 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2019-10-13 18:32:54,910 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev [2019-10-13 18:32:54,910 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2019-10-13 18:32:54,910 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-13 18:32:54,911 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-13 18:32:54,911 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2019-10-13 18:32:54,911 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2019-10-13 18:32:54,911 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2019-10-13 18:32:54,911 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2019-10-13 18:32:54,911 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_wait [2019-10-13 18:32:54,911 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_command [2019-10-13 18:32:54,912 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_completion [2019-10-13 18:32:54,912 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_req_sense [2019-10-13 18:32:54,912 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_atapi [2019-10-13 18:32:54,912 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_sleep [2019-10-13 18:32:54,912 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_poll_dsc [2019-10-13 18:32:54,912 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_media_access_cmd [2019-10-13 18:32:54,913 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_rewind [2019-10-13 18:32:54,913 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write_fm [2019-10-13 18:32:54,913 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_reset [2019-10-13 18:32:54,913 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_ready_wait [2019-10-13 18:32:54,913 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2019-10-13 18:32:54,913 INFO L138 BoogieDeclarations]: Found implementation of procedure xn [2019-10-13 18:32:54,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_identify [2019-10-13 18:32:54,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_probe [2019-10-13 18:32:54,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_detect [2019-10-13 18:32:54,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_open [2019-10-13 18:32:54,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_ioctl [2019-10-13 18:32:54,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_release [2019-10-13 18:32:54,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_read [2019-10-13 18:32:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write [2019-10-13 18:32:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_init [2019-10-13 18:32:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_exit [2019-10-13 18:32:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_1 [2019-10-13 18:32:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 18:32:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 18:32:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_16 [2019-10-13 18:32:54,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_chrdev_19 [2019-10-13 18:32:54,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_20 [2019-10-13 18:32:54,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-13 18:32:54,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-13 18:32:54,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-13 18:32:54,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-13 18:32:54,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-13 18:32:54,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-13 18:32:54,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_create [2019-10-13 18:32:54,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-13 18:32:54,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-13 18:32:54,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-13 18:32:54,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __register_chrdev [2019-10-13 18:32:54,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __unregister_chrdev [2019-10-13 18:32:54,917 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-13 18:32:54,917 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-13 18:32:54,918 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2019-10-13 18:32:54,918 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2019-10-13 18:32:54,918 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2019-10-13 18:32:54,918 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2019-10-13 18:32:54,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 18:32:54,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 18:32:54,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-13 18:32:54,919 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-13 18:32:54,919 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-13 18:32:54,919 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 18:32:54,919 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2019-10-13 18:32:54,919 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2019-10-13 18:32:54,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2019-10-13 18:32:54,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2019-10-13 18:32:54,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2019-10-13 18:32:54,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2019-10-13 18:32:54,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2019-10-13 18:32:54,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2019-10-13 18:32:54,921 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_regr [2019-10-13 18:32:54,921 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 18:32:54,921 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2019-10-13 18:32:54,921 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 18:32:54,921 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 18:32:54,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 18:32:54,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 18:32:54,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 18:32:54,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 18:32:54,922 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 18:32:54,922 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-13 18:32:54,922 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-13 18:32:54,923 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-13 18:32:54,923 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-13 18:32:54,923 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-13 18:32:54,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 18:32:54,923 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-10-13 18:32:54,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 18:32:54,923 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-13 18:32:54,924 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-10-13 18:32:54,924 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-13 18:32:54,924 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 18:32:54,924 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 18:32:54,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 18:32:54,924 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 18:32:54,924 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2019-10-13 18:32:54,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_16 [2019-10-13 18:32:54,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_12 [2019-10-13 18:32:54,925 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 18:32:54,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-13 18:32:54,925 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 18:32:54,925 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 18:32:54,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 18:32:54,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2019-10-13 18:32:54,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_loff_t [2019-10-13 18:32:54,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 18:32:54,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 18:32:54,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 18:32:54,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 18:32:54,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 18:32:54,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 18:32:54,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 18:32:54,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 18:32:54,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 18:32:54,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 18:32:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 18:32:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 18:32:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 18:32:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_1 [2019-10-13 18:32:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2019-10-13 18:32:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure __register_chrdev [2019-10-13 18:32:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure __unregister_chrdev [2019-10-13 18:32:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev [2019-10-13 18:32:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_chrdev_19 [2019-10-13 18:32:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2019-10-13 18:32:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_20 [2019-10-13 18:32:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2019-10-13 18:32:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-13 18:32:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2019-10-13 18:32:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2019-10-13 18:32:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2019-10-13 18:32:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2019-10-13 18:32:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2019-10-13 18:32:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-13 18:32:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-13 18:32:54,931 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-13 18:32:54,931 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-13 18:32:54,931 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-13 18:32:54,931 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-13 18:32:54,931 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2019-10-13 18:32:54,931 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2019-10-13 18:32:54,931 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_regr [2019-10-13 18:32:54,932 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2019-10-13 18:32:54,932 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2019-10-13 18:32:54,932 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2019-10-13 18:32:54,932 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2019-10-13 18:32:54,932 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2019-10-13 18:32:54,932 INFO L130 BoogieDeclarations]: Found specification of procedure pt_open [2019-10-13 18:32:54,932 INFO L130 BoogieDeclarations]: Found specification of procedure pt_ioctl [2019-10-13 18:32:54,933 INFO L130 BoogieDeclarations]: Found specification of procedure pt_release [2019-10-13 18:32:54,933 INFO L130 BoogieDeclarations]: Found specification of procedure pt_read [2019-10-13 18:32:54,933 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write [2019-10-13 18:32:54,933 INFO L130 BoogieDeclarations]: Found specification of procedure pt_detect [2019-10-13 18:32:54,933 INFO L130 BoogieDeclarations]: Found specification of procedure pt_identify [2019-10-13 18:32:54,933 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2019-10-13 18:32:54,933 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2019-10-13 18:32:54,934 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2019-10-13 18:32:54,934 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2019-10-13 18:32:54,934 INFO L130 BoogieDeclarations]: Found specification of procedure pt_wait [2019-10-13 18:32:54,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 18:32:54,934 INFO L130 BoogieDeclarations]: Found specification of procedure pt_command [2019-10-13 18:32:54,934 INFO L130 BoogieDeclarations]: Found specification of procedure pt_completion [2019-10-13 18:32:54,934 INFO L130 BoogieDeclarations]: Found specification of procedure pt_req_sense [2019-10-13 18:32:54,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 18:32:54,935 INFO L130 BoogieDeclarations]: Found specification of procedure pt_atapi [2019-10-13 18:32:54,935 INFO L130 BoogieDeclarations]: Found specification of procedure pt_sleep [2019-10-13 18:32:54,935 INFO L130 BoogieDeclarations]: Found specification of procedure pt_poll_dsc [2019-10-13 18:32:54,935 INFO L130 BoogieDeclarations]: Found specification of procedure pt_media_access_cmd [2019-10-13 18:32:54,935 INFO L130 BoogieDeclarations]: Found specification of procedure pt_rewind [2019-10-13 18:32:54,935 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write_fm [2019-10-13 18:32:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure pt_reset [2019-10-13 18:32:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure pt_ready_wait [2019-10-13 18:32:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2019-10-13 18:32:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure xn [2019-10-13 18:32:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 18:32:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure pt_probe [2019-10-13 18:32:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure pt_init [2019-10-13 18:32:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure pt_exit [2019-10-13 18:32:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 18:32:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 18:32:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 18:32:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-13 18:32:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-13 18:32:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-13 18:32:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-13 18:32:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-13 18:32:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-13 18:32:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 18:32:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-13 18:32:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 18:32:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 18:32:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 18:32:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 18:32:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 18:32:55,635 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 18:33:02,789 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 18:33:02,789 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 18:33:02,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:33:02 BoogieIcfgContainer [2019-10-13 18:33:02,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 18:33:02,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 18:33:02,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 18:33:02,794 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 18:33:02,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:32:52" (1/3) ... [2019-10-13 18:33:02,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25e3b586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:33:02, skipping insertion in model container [2019-10-13 18:33:02,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:32:54" (2/3) ... [2019-10-13 18:33:02,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25e3b586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:33:02, skipping insertion in model container [2019-10-13 18:33:02,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:33:02" (3/3) ... [2019-10-13 18:33:02,797 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 [2019-10-13 18:33:02,807 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 18:33:02,816 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 18:33:02,827 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 18:33:02,869 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 18:33:02,869 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 18:33:02,869 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 18:33:02,869 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 18:33:02,869 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 18:33:02,869 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 18:33:02,869 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 18:33:02,869 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 18:33:02,910 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states. [2019-10-13 18:33:02,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-10-13 18:33:02,942 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:33:02,944 INFO L380 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] [2019-10-13 18:33:02,946 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:33:02,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:33:02,953 INFO L82 PathProgramCache]: Analyzing trace with hash -513910436, now seen corresponding path program 1 times [2019-10-13 18:33:02,962 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:33:02,962 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775201509] [2019-10-13 18:33:02,962 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:33:02,963 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:33:02,963 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:33:03,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:05,348 WARN L191 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 448 [2019-10-13 18:33:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:05,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:05,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:05,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:05,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:05,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:05,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:05,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:05,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:05,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:33:05,744 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-13 18:33:05,745 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775201509] [2019-10-13 18:33:05,746 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 18:33:05,746 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 18:33:05,746 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700157531] [2019-10-13 18:33:05,754 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 18:33:05,755 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:33:05,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 18:33:05,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-13 18:33:05,779 INFO L87 Difference]: Start difference. First operand 834 states. Second operand 6 states. [2019-10-13 18:33:09,046 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 450 [2019-10-13 18:33:30,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 18:33:30,515 INFO L93 Difference]: Finished difference Result 1902 states and 2614 transitions. [2019-10-13 18:33:30,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 18:33:30,517 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 142 [2019-10-13 18:33:30,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 18:33:30,547 INFO L225 Difference]: With dead ends: 1902 [2019-10-13 18:33:30,547 INFO L226 Difference]: Without dead ends: 1016 [2019-10-13 18:33:30,562 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-10-13 18:33:30,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1016 states. [2019-10-13 18:33:30,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 910. [2019-10-13 18:33:30,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 910 states. [2019-10-13 18:33:30,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1209 transitions. [2019-10-13 18:33:30,902 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 1209 transitions. Word has length 142 [2019-10-13 18:33:30,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 18:33:30,902 INFO L462 AbstractCegarLoop]: Abstraction has 910 states and 1209 transitions. [2019-10-13 18:33:30,902 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 18:33:30,903 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1209 transitions. [2019-10-13 18:33:30,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2019-10-13 18:33:30,923 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:33:30,923 INFO L380 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] [2019-10-13 18:33:30,924 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:33:30,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:33:30,924 INFO L82 PathProgramCache]: Analyzing trace with hash -357216398, now seen corresponding path program 1 times [2019-10-13 18:33:30,924 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:33:30,925 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409318332] [2019-10-13 18:33:30,925 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:33:30,925 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:33:30,925 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:33:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat