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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 18:17:32,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 18:17:32,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 18:17:32,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 18:17:32,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 18:17:32,839 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 18:17:32,841 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 18:17:32,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 18:17:32,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 18:17:32,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 18:17:32,860 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 18:17:32,862 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 18:17:32,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 18:17:32,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 18:17:32,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 18:17:32,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 18:17:32,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 18:17:32,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 18:17:32,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 18:17:32,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 18:17:32,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 18:17:32,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 18:17:32,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 18:17:32,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 18:17:32,894 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 18:17:32,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 18:17:32,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 18:17:32,896 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 18:17:32,897 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 18:17:32,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 18:17:32,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 18:17:32,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 18:17:32,901 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 18:17:32,901 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 18:17:32,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 18:17:32,903 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 18:17:32,904 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 18:17:32,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 18:17:32,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 18:17:32,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 18:17:32,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 18:17:32,911 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 18:17:32,931 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 18:17:32,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 18:17:32,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 18:17:32,937 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 18:17:32,937 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 18:17:32,937 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 18:17:32,937 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 18:17:32,938 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 18:17:32,938 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 18:17:32,938 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 18:17:32,940 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 18:17:32,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 18:17:32,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 18:17:32,941 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 18:17:32,941 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 18:17:32,941 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 18:17:32,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 18:17:32,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 18:17:32,942 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 18:17:32,942 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 18:17:32,942 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 18:17:32,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 18:17:32,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 18:17:32,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 18:17:32,943 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 18:17:32,943 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 18:17:32,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 18:17:32,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 18:17:32,944 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 18:17:33,278 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 18:17:33,297 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 18:17:33,300 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 18:17:33,302 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 18:17:33,302 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 18:17:33,303 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2019-10-13 18:17:33,367 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05e501bb8/8e3d00c2fcc44ff79390ecc30b6366bb/FLAGe0d1997e4 [2019-10-13 18:17:34,134 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 18:17:34,135 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2019-10-13 18:17:34,185 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05e501bb8/8e3d00c2fcc44ff79390ecc30b6366bb/FLAGe0d1997e4 [2019-10-13 18:17:34,221 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05e501bb8/8e3d00c2fcc44ff79390ecc30b6366bb [2019-10-13 18:17:34,234 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 18:17:34,235 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 18:17:34,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 18:17:34,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 18:17:34,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 18:17:34,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:17:34" (1/1) ... [2019-10-13 18:17:34,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3528ad5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:17:34, skipping insertion in model container [2019-10-13 18:17:34,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:17:34" (1/1) ... [2019-10-13 18:17:34,254 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 18:17:34,357 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 18:17:35,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 18:17:35,623 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 18:17:35,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 18:17:35,949 INFO L192 MainTranslator]: Completed translation [2019-10-13 18:17:35,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:17:35 WrapperNode [2019-10-13 18:17:35,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 18:17:35,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 18:17:35,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 18:17:35,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 18:17:35,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:17:35" (1/1) ... [2019-10-13 18:17:35,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:17:35" (1/1) ... [2019-10-13 18:17:36,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:17:35" (1/1) ... [2019-10-13 18:17:36,047 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:17:35" (1/1) ... [2019-10-13 18:17:36,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:17:35" (1/1) ... [2019-10-13 18:17:36,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:17:35" (1/1) ... [2019-10-13 18:17:36,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:17:35" (1/1) ... [2019-10-13 18:17:36,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 18:17:36,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 18:17:36,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 18:17:36,243 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 18:17:36,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:17:35" (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 18:17:36,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 18:17:36,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 18:17:36,385 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-13 18:17:36,385 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-13 18:17:36,386 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-13 18:17:36,386 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-13 18:17:36,387 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2019-10-13 18:17:36,387 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev [2019-10-13 18:17:36,387 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2019-10-13 18:17:36,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 18:17:36,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 18:17:36,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 18:17:36,388 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 18:17:36,389 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-13 18:17:36,389 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-13 18:17:36,390 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_init_units [2019-10-13 18:17:36,392 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2019-10-13 18:17:36,393 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2019-10-13 18:17:36,393 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2019-10-13 18:17:36,393 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2019-10-13 18:17:36,393 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_sleep [2019-10-13 18:17:36,393 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_wait [2019-10-13 18:17:36,394 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_command [2019-10-13 18:17:36,394 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_completion [2019-10-13 18:17:36,394 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_reset [2019-10-13 18:17:36,394 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2019-10-13 18:17:36,394 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_identify [2019-10-13 18:17:36,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_probe [2019-10-13 18:17:36,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_detect [2019-10-13 18:17:36,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_open [2019-10-13 18:17:36,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_release [2019-10-13 18:17:36,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_write [2019-10-13 18:17:36,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_read [2019-10-13 18:17:36,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_init [2019-10-13 18:17:36,396 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_exit [2019-10-13 18:17:36,396 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 18:17:36,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-13 18:17:36,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-13 18:17:36,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-13 18:17:36,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-13 18:17:36,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-13 18:17:36,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-13 18:17:36,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-13 18:17:36,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-10-13 18:17:36,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-13 18:17:36,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_chrdev_10 [2019-10-13 18:17:36,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_11 [2019-10-13 18:17:36,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 18:17:36,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 18:17:36,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 18:17:36,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-13 18:17:36,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-13 18:17:36,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 18:17:36,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-13 18:17:36,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 18:17:36,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-13 18:17:36,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-13 18:17:36,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 18:17:36,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-13 18:17:36,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-13 18:17:36,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-13 18:17:36,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 18:17:36,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-13 18:17:36,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-13 18:17:36,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 18:17:36,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 18:17:36,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 18:17:36,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 18:17:36,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 18:17:36,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 18:17:36,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 18:17:36,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_pg_mutex [2019-10-13 18:17:36,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_pg_mutex [2019-10-13 18:17:36,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pg_mutex [2019-10-13 18:17:36,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_pg_mutex [2019-10-13 18:17:36,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_pg_mutex [2019-10-13 18:17:36,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_pg_mutex [2019-10-13 18:17:36,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pg_mutex [2019-10-13 18:17:36,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 18:17:36,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 18:17:36,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_create [2019-10-13 18:17:36,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-13 18:17:36,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __register_chrdev [2019-10-13 18:17:36,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __unregister_chrdev [2019-10-13 18:17:36,406 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-13 18:17:36,406 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-13 18:17:36,407 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2019-10-13 18:17:36,407 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2019-10-13 18:17:36,407 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2019-10-13 18:17:36,408 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-13 18:17:36,408 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-13 18:17:36,409 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-13 18:17:36,409 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 18:17:36,409 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2019-10-13 18:17:36,409 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2019-10-13 18:17:36,409 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2019-10-13 18:17:36,409 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2019-10-13 18:17:36,409 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2019-10-13 18:17:36,410 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2019-10-13 18:17:36,410 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2019-10-13 18:17:36,410 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2019-10-13 18:17:36,411 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_regr [2019-10-13 18:17:36,411 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 18:17:36,411 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2019-10-13 18:17:36,411 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-10-13 18:17:36,411 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 18:17:36,411 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 18:17:36,412 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 18:17:36,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 18:17:36,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 18:17:36,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 18:17:36,412 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-13 18:17:36,412 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-13 18:17:36,413 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 18:17:36,413 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-13 18:17:36,413 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-13 18:17:36,413 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 18:17:36,414 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-13 18:17:36,414 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-10-13 18:17:36,414 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-13 18:17:36,414 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-13 18:17:36,415 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-13 18:17:36,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-13 18:17:36,415 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 18:17:36,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-13 18:17:36,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-13 18:17:36,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-13 18:17:36,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-13 18:17:36,417 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-13 18:17:36,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-13 18:17:36,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-13 18:17:36,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-13 18:17:36,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-10-13 18:17:36,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 18:17:36,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-13 18:17:36,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-13 18:17:36,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-13 18:17:36,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 18:17:36,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 18:17:36,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 18:17:36,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pg_mutex [2019-10-13 18:17:36,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pg_mutex [2019-10-13 18:17:36,424 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 18:17:36,425 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2019-10-13 18:17:36,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 18:17:36,432 INFO L130 BoogieDeclarations]: Found specification of procedure __register_chrdev [2019-10-13 18:17:36,432 INFO L130 BoogieDeclarations]: Found specification of procedure __unregister_chrdev [2019-10-13 18:17:36,432 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev [2019-10-13 18:17:36,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_chrdev_10 [2019-10-13 18:17:36,432 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2019-10-13 18:17:36,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_11 [2019-10-13 18:17:36,433 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2019-10-13 18:17:36,433 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-13 18:17:36,433 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 18:17:36,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 18:17:36,433 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 18:17:36,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 18:17:36,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 18:17:36,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 18:17:36,434 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 18:17:36,434 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 18:17:36,434 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2019-10-13 18:17:36,434 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2019-10-13 18:17:36,434 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2019-10-13 18:17:36,434 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2019-10-13 18:17:36,434 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2019-10-13 18:17:36,434 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-13 18:17:36,435 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-13 18:17:36,435 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-13 18:17:36,435 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-13 18:17:36,435 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2019-10-13 18:17:36,435 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2019-10-13 18:17:36,435 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_regr [2019-10-13 18:17:36,435 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2019-10-13 18:17:36,435 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2019-10-13 18:17:36,436 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2019-10-13 18:17:36,436 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2019-10-13 18:17:36,436 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2019-10-13 18:17:36,436 INFO L130 BoogieDeclarations]: Found specification of procedure pg_open [2019-10-13 18:17:36,436 INFO L130 BoogieDeclarations]: Found specification of procedure pg_release [2019-10-13 18:17:36,436 INFO L130 BoogieDeclarations]: Found specification of procedure pg_read [2019-10-13 18:17:36,436 INFO L130 BoogieDeclarations]: Found specification of procedure pg_write [2019-10-13 18:17:36,436 INFO L130 BoogieDeclarations]: Found specification of procedure pg_detect [2019-10-13 18:17:36,437 INFO L130 BoogieDeclarations]: Found specification of procedure pg_identify [2019-10-13 18:17:36,437 INFO L130 BoogieDeclarations]: Found specification of procedure pg_init_units [2019-10-13 18:17:36,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 18:17:36,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 18:17:36,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 18:17:36,437 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2019-10-13 18:17:36,437 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2019-10-13 18:17:36,437 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2019-10-13 18:17:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2019-10-13 18:17:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure pg_sleep [2019-10-13 18:17:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure pg_wait [2019-10-13 18:17:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure pg_command [2019-10-13 18:17:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure pg_completion [2019-10-13 18:17:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure pg_reset [2019-10-13 18:17:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 18:17:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2019-10-13 18:17:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure pg_probe [2019-10-13 18:17:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 18:17:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure pg_init [2019-10-13 18:17:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure pg_exit [2019-10-13 18:17:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 18:17:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 18:17:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 18:17:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 18:17:36,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 18:17:36,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-13 18:17:36,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-13 18:17:36,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-13 18:17:36,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 18:17:36,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-13 18:17:36,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 18:17:36,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-13 18:17:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-13 18:17:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 18:17:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-13 18:17:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 18:17:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 18:17:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 18:17:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 18:17:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_pg_mutex [2019-10-13 18:17:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_pg_mutex [2019-10-13 18:17:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_pg_mutex [2019-10-13 18:17:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_pg_mutex [2019-10-13 18:17:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_pg_mutex [2019-10-13 18:17:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 18:17:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 18:17:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-13 18:17:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 18:17:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 18:17:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 18:17:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 18:17:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 18:17:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 18:17:39,698 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 18:17:39,699 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 18:17:39,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:17:39 BoogieIcfgContainer [2019-10-13 18:17:39,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 18:17:39,702 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 18:17:39,702 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 18:17:39,706 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 18:17:39,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:17:34" (1/3) ... [2019-10-13 18:17:39,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44ff2b55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:17:39, skipping insertion in model container [2019-10-13 18:17:39,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:17:35" (2/3) ... [2019-10-13 18:17:39,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44ff2b55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:17:39, skipping insertion in model container [2019-10-13 18:17:39,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:17:39" (3/3) ... [2019-10-13 18:17:39,709 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2019-10-13 18:17:39,721 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 18:17:39,732 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 18:17:39,745 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 18:17:39,779 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 18:17:39,780 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 18:17:39,780 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 18:17:39,780 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 18:17:39,780 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 18:17:39,780 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 18:17:39,780 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 18:17:39,781 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 18:17:39,817 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states. [2019-10-13 18:17:39,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-13 18:17:39,828 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:17:39,829 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 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 18:17:39,831 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:17:39,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:17:39,839 INFO L82 PathProgramCache]: Analyzing trace with hash -466886759, now seen corresponding path program 1 times [2019-10-13 18:17:39,849 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:17:39,850 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559089302] [2019-10-13 18:17:39,850 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:17:39,850 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:17:39,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:17:40,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:17:41,622 WARN L191 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 18:17:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:17:41,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:17:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:17:41,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 18:17:41,812 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559089302] [2019-10-13 18:17:41,813 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 18:17:41,814 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 18:17:41,814 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736693075] [2019-10-13 18:17:41,819 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 18:17:41,819 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:17:41,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 18:17:41,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 18:17:41,836 INFO L87 Difference]: Start difference. First operand 699 states. Second operand 7 states. [2019-10-13 18:17:44,820 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 393 [2019-10-13 18:17:54,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 18:17:54,971 INFO L93 Difference]: Finished difference Result 1202 states and 1567 transitions. [2019-10-13 18:17:54,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 18:17:54,973 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2019-10-13 18:17:54,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 18:17:54,997 INFO L225 Difference]: With dead ends: 1202 [2019-10-13 18:17:54,998 INFO L226 Difference]: Without dead ends: 615 [2019-10-13 18:17:55,008 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2019-10-13 18:17:55,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2019-10-13 18:17:55,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 582. [2019-10-13 18:17:55,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2019-10-13 18:17:55,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 747 transitions. [2019-10-13 18:17:55,233 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 747 transitions. Word has length 31 [2019-10-13 18:17:55,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 18:17:55,234 INFO L462 AbstractCegarLoop]: Abstraction has 582 states and 747 transitions. [2019-10-13 18:17:55,234 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 18:17:55,234 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 747 transitions. [2019-10-13 18:17:55,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-13 18:17:55,242 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:17:55,242 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:17:55,243 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:17:55,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:17:55,244 INFO L82 PathProgramCache]: Analyzing trace with hash -503911691, now seen corresponding path program 1 times [2019-10-13 18:17:55,244 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:17:55,244 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974177003] [2019-10-13 18:17:55,244 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:17:55,244 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:17:55,245 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:17:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:17:56,450 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 18:17:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:17:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:17:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:17:56,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 18:17:56,530 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974177003] [2019-10-13 18:17:56,530 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 18:17:56,530 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 18:17:56,530 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792799394] [2019-10-13 18:17:56,532 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 18:17:56,532 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:17:56,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 18:17:56,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-13 18:17:56,533 INFO L87 Difference]: Start difference. First operand 582 states and 747 transitions. Second operand 5 states. [2019-10-13 18:17:58,863 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 393 [2019-10-13 18:18:10,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 18:18:10,605 INFO L93 Difference]: Finished difference Result 1526 states and 1972 transitions. [2019-10-13 18:18:10,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 18:18:10,605 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-10-13 18:18:10,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 18:18:10,614 INFO L225 Difference]: With dead ends: 1526 [2019-10-13 18:18:10,615 INFO L226 Difference]: Without dead ends: 955 [2019-10-13 18:18:10,619 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-13 18:18:10,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2019-10-13 18:18:10,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 887. [2019-10-13 18:18:10,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 887 states. [2019-10-13 18:18:10,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1145 transitions. [2019-10-13 18:18:10,792 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1145 transitions. Word has length 34 [2019-10-13 18:18:10,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 18:18:10,792 INFO L462 AbstractCegarLoop]: Abstraction has 887 states and 1145 transitions. [2019-10-13 18:18:10,793 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 18:18:10,793 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1145 transitions. [2019-10-13 18:18:10,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-13 18:18:10,795 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:18:10,795 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:18:10,796 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:18:10,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:18:10,796 INFO L82 PathProgramCache]: Analyzing trace with hash -159570386, now seen corresponding path program 1 times [2019-10-13 18:18:10,796 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:18:10,797 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686065439] [2019-10-13 18:18:10,797 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:18:10,797 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:18:10,797 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:18:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:18:11,991 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 391 [2019-10-13 18:18:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:18:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:18:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:18:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:18:12,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:18:12,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 18:18:12,183 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686065439] [2019-10-13 18:18:12,183 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 18:18:12,183 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 18:18:12,184 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761639670] [2019-10-13 18:18:12,186 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 18:18:12,186 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:18:12,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 18:18:12,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-13 18:18:12,187 INFO L87 Difference]: Start difference. First operand 887 states and 1145 transitions. Second operand 8 states.