/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 19:39:26,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 19:39:26,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 19:39:26,547 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 19:39:26,547 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 19:39:26,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 19:39:26,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 19:39:26,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 19:39:26,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 19:39:26,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 19:39:26,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 19:39:26,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 19:39:26,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 19:39:26,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 19:39:26,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 19:39:26,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 19:39:26,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 19:39:26,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 19:39:26,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 19:39:26,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 19:39:26,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 19:39:26,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 19:39:26,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 19:39:26,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 19:39:26,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 19:39:26,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 19:39:26,577 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 19:39:26,578 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 19:39:26,578 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 19:39:26,579 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 19:39:26,579 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 19:39:26,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 19:39:26,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 19:39:26,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 19:39:26,586 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 19:39:26,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 19:39:26,587 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 19:39:26,589 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 19:39:26,589 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 19:39:26,590 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 19:39:26,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 19:39:26,595 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 19:39:26,617 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 19:39:26,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 19:39:26,619 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 19:39:26,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 19:39:26,619 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 19:39:26,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 19:39:26,620 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 19:39:26,620 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 19:39:26,620 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 19:39:26,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 19:39:26,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 19:39:26,621 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 19:39:26,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 19:39:26,621 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 19:39:26,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 19:39:26,621 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 19:39:26,622 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 19:39:26,622 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 19:39:26,622 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 19:39:26,622 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 19:39:26,622 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 19:39:26,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 19:39:26,623 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 19:39:26,623 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 19:39:26,623 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 19:39:26,623 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 19:39:26,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 19:39:26,624 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 19:39:26,624 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 19:39:26,918 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 19:39:26,940 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 19:39:26,944 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 19:39:26,947 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 19:39:26,947 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 19:39:26,948 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2019-11-06 19:39:27,022 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f90f6e37/aa40bec0b3144ecfb8912d6d62e34075/FLAGefc145324 [2019-11-06 19:39:27,760 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 19:39:27,761 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2019-11-06 19:39:27,792 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f90f6e37/aa40bec0b3144ecfb8912d6d62e34075/FLAGefc145324 [2019-11-06 19:39:27,876 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f90f6e37/aa40bec0b3144ecfb8912d6d62e34075 [2019-11-06 19:39:27,884 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 19:39:27,885 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 19:39:27,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 19:39:27,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 19:39:27,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 19:39:27,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:39:27" (1/1) ... [2019-11-06 19:39:27,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ab07c1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:39:27, skipping insertion in model container [2019-11-06 19:39:27,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:39:27" (1/1) ... [2019-11-06 19:39:27,906 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 19:39:28,016 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 19:39:29,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 19:39:29,423 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 19:39:29,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 19:39:29,841 INFO L192 MainTranslator]: Completed translation [2019-11-06 19:39:29,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:39:29 WrapperNode [2019-11-06 19:39:29,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 19:39:29,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 19:39:29,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 19:39:29,845 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 19:39:29,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:39:29" (1/1) ... [2019-11-06 19:39:29,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:39:29" (1/1) ... [2019-11-06 19:39:29,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:39:29" (1/1) ... [2019-11-06 19:39:29,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:39:29" (1/1) ... [2019-11-06 19:39:30,030 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:39:29" (1/1) ... [2019-11-06 19:39:30,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:39:29" (1/1) ... [2019-11-06 19:39:30,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:39:29" (1/1) ... [2019-11-06 19:39:30,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 19:39:30,100 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 19:39:30,101 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 19:39:30,101 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 19:39:30,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:39:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 19:39:30,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 19:39:30,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 19:39:30,201 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-11-06 19:39:30,201 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-11-06 19:39:30,201 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-11-06 19:39:30,202 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-11-06 19:39:30,202 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2019-11-06 19:39:30,202 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev [2019-11-06 19:39:30,203 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2019-11-06 19:39:30,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-06 19:39:30,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-06 19:39:30,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-06 19:39:30,204 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-06 19:39:30,204 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-11-06 19:39:30,205 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-11-06 19:39:30,205 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_init_units [2019-11-06 19:39:30,207 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2019-11-06 19:39:30,208 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2019-11-06 19:39:30,208 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2019-11-06 19:39:30,208 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2019-11-06 19:39:30,209 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_sleep [2019-11-06 19:39:30,210 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_wait [2019-11-06 19:39:30,210 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_command [2019-11-06 19:39:30,210 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_completion [2019-11-06 19:39:30,210 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_reset [2019-11-06 19:39:30,210 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2019-11-06 19:39:30,210 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_identify [2019-11-06 19:39:30,211 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_probe [2019-11-06 19:39:30,211 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_detect [2019-11-06 19:39:30,211 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_open [2019-11-06 19:39:30,211 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_release [2019-11-06 19:39:30,211 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_write [2019-11-06 19:39:30,211 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_read [2019-11-06 19:39:30,212 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_init [2019-11-06 19:39:30,212 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_exit [2019-11-06 19:39:30,212 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 19:39:30,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-11-06 19:39:30,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-11-06 19:39:30,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-11-06 19:39:30,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-11-06 19:39:30,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-11-06 19:39:30,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-11-06 19:39:30,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-11-06 19:39:30,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-11-06 19:39:30,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-11-06 19:39:30,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_chrdev_10 [2019-11-06 19:39:30,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_11 [2019-11-06 19:39:30,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-06 19:39:30,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-06 19:39:30,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-11-06 19:39:30,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-11-06 19:39:30,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-11-06 19:39:30,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-11-06 19:39:30,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-11-06 19:39:30,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-11-06 19:39:30,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-11-06 19:39:30,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-11-06 19:39:30,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-11-06 19:39:30,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-11-06 19:39:30,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-11-06 19:39:30,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-11-06 19:39:30,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-11-06 19:39:30,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-11-06 19:39:30,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-11-06 19:39:30,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-11-06 19:39:30,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-11-06 19:39:30,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-11-06 19:39:30,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-11-06 19:39:30,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-11-06 19:39:30,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-11-06 19:39:30,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-11-06 19:39:30,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_pg_mutex [2019-11-06 19:39:30,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_pg_mutex [2019-11-06 19:39:30,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pg_mutex [2019-11-06 19:39:30,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_pg_mutex [2019-11-06 19:39:30,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_pg_mutex [2019-11-06 19:39:30,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_pg_mutex [2019-11-06 19:39:30,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pg_mutex [2019-11-06 19:39:30,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-06 19:39:30,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-06 19:39:30,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_create [2019-11-06 19:39:30,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-11-06 19:39:30,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __register_chrdev [2019-11-06 19:39:30,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __unregister_chrdev [2019-11-06 19:39:30,258 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-11-06 19:39:30,258 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-11-06 19:39:30,258 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2019-11-06 19:39:30,259 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2019-11-06 19:39:30,259 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2019-11-06 19:39:30,259 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-11-06 19:39:30,259 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-11-06 19:39:30,260 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-11-06 19:39:30,260 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-06 19:39:30,260 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2019-11-06 19:39:30,260 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2019-11-06 19:39:30,261 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2019-11-06 19:39:30,261 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2019-11-06 19:39:30,261 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2019-11-06 19:39:30,261 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2019-11-06 19:39:30,262 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2019-11-06 19:39:30,262 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2019-11-06 19:39:30,262 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_regr [2019-11-06 19:39:30,262 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-06 19:39:30,262 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2019-11-06 19:39:30,262 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-11-06 19:39:30,262 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-06 19:39:30,263 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-06 19:39:30,263 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-06 19:39:30,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 19:39:30,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 19:39:30,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-06 19:39:30,263 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-11-06 19:39:30,263 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-11-06 19:39:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-06 19:39:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-11-06 19:39:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-11-06 19:39:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-06 19:39:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-11-06 19:39:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-11-06 19:39:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-11-06 19:39:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-11-06 19:39:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-11-06 19:39:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-11-06 19:39:30,266 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-06 19:39:30,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-11-06 19:39:30,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-11-06 19:39:30,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-11-06 19:39:30,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-11-06 19:39:30,267 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-11-06 19:39:30,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-11-06 19:39:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-11-06 19:39:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-11-06 19:39:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-11-06 19:39:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-11-06 19:39:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-11-06 19:39:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-11-06 19:39:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-11-06 19:39:30,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-11-06 19:39:30,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-11-06 19:39:30,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-11-06 19:39:30,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pg_mutex [2019-11-06 19:39:30,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pg_mutex [2019-11-06 19:39:30,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 19:39:30,277 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2019-11-06 19:39:30,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 19:39:30,277 INFO L130 BoogieDeclarations]: Found specification of procedure __register_chrdev [2019-11-06 19:39:30,278 INFO L130 BoogieDeclarations]: Found specification of procedure __unregister_chrdev [2019-11-06 19:39:30,278 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev [2019-11-06 19:39:30,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_chrdev_10 [2019-11-06 19:39:30,278 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2019-11-06 19:39:30,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_11 [2019-11-06 19:39:30,278 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2019-11-06 19:39:30,278 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-11-06 19:39:30,279 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-06 19:39:30,280 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-06 19:39:30,280 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 19:39:30,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-06 19:39:30,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-06 19:39:30,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 19:39:30,280 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-06 19:39:30,281 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-06 19:39:30,281 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2019-11-06 19:39:30,281 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2019-11-06 19:39:30,281 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2019-11-06 19:39:30,281 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2019-11-06 19:39:30,281 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2019-11-06 19:39:30,281 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-11-06 19:39:30,281 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-11-06 19:39:30,281 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-11-06 19:39:30,282 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-11-06 19:39:30,282 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2019-11-06 19:39:30,282 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2019-11-06 19:39:30,282 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_regr [2019-11-06 19:39:30,282 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2019-11-06 19:39:30,282 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2019-11-06 19:39:30,282 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2019-11-06 19:39:30,282 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2019-11-06 19:39:30,283 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2019-11-06 19:39:30,283 INFO L130 BoogieDeclarations]: Found specification of procedure pg_open [2019-11-06 19:39:30,283 INFO L130 BoogieDeclarations]: Found specification of procedure pg_release [2019-11-06 19:39:30,283 INFO L130 BoogieDeclarations]: Found specification of procedure pg_read [2019-11-06 19:39:30,283 INFO L130 BoogieDeclarations]: Found specification of procedure pg_write [2019-11-06 19:39:30,283 INFO L130 BoogieDeclarations]: Found specification of procedure pg_detect [2019-11-06 19:39:30,283 INFO L130 BoogieDeclarations]: Found specification of procedure pg_identify [2019-11-06 19:39:30,283 INFO L130 BoogieDeclarations]: Found specification of procedure pg_init_units [2019-11-06 19:39:30,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 19:39:30,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 19:39:30,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 19:39:30,284 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2019-11-06 19:39:30,284 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2019-11-06 19:39:30,284 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2019-11-06 19:39:30,284 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2019-11-06 19:39:30,284 INFO L130 BoogieDeclarations]: Found specification of procedure pg_sleep [2019-11-06 19:39:30,284 INFO L130 BoogieDeclarations]: Found specification of procedure pg_wait [2019-11-06 19:39:30,285 INFO L130 BoogieDeclarations]: Found specification of procedure pg_command [2019-11-06 19:39:30,285 INFO L130 BoogieDeclarations]: Found specification of procedure pg_completion [2019-11-06 19:39:30,285 INFO L130 BoogieDeclarations]: Found specification of procedure pg_reset [2019-11-06 19:39:30,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 19:39:30,285 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2019-11-06 19:39:30,285 INFO L130 BoogieDeclarations]: Found specification of procedure pg_probe [2019-11-06 19:39:30,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-06 19:39:30,285 INFO L130 BoogieDeclarations]: Found specification of procedure pg_init [2019-11-06 19:39:30,286 INFO L130 BoogieDeclarations]: Found specification of procedure pg_exit [2019-11-06 19:39:30,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-06 19:39:30,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-06 19:39:30,286 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 19:39:30,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-06 19:39:30,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-11-06 19:39:30,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-11-06 19:39:30,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-11-06 19:39:30,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-11-06 19:39:30,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-11-06 19:39:30,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-11-06 19:39:30,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-11-06 19:39:30,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-11-06 19:39:30,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-11-06 19:39:30,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-11-06 19:39:30,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-11-06 19:39:30,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-11-06 19:39:30,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-11-06 19:39:30,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-11-06 19:39:30,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-11-06 19:39:30,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_pg_mutex [2019-11-06 19:39:30,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_pg_mutex [2019-11-06 19:39:30,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_pg_mutex [2019-11-06 19:39:30,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_pg_mutex [2019-11-06 19:39:30,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_pg_mutex [2019-11-06 19:39:30,289 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-06 19:39:30,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-06 19:39:30,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-11-06 19:39:30,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-06 19:39:30,289 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 19:39:30,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 19:39:30,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 19:39:30,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-06 19:39:30,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 19:39:33,251 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 19:39:33,252 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-06 19:39:33,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:39:33 BoogieIcfgContainer [2019-11-06 19:39:33,254 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 19:39:33,255 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 19:39:33,255 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 19:39:33,258 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 19:39:33,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 07:39:27" (1/3) ... [2019-11-06 19:39:33,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a660fc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:39:33, skipping insertion in model container [2019-11-06 19:39:33,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:39:29" (2/3) ... [2019-11-06 19:39:33,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a660fc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:39:33, skipping insertion in model container [2019-11-06 19:39:33,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:39:33" (3/3) ... [2019-11-06 19:39:33,261 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2019-11-06 19:39:33,271 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 19:39:33,280 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 19:39:33,291 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 19:39:33,322 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 19:39:33,322 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 19:39:33,322 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 19:39:33,322 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 19:39:33,322 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 19:39:33,323 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 19:39:33,323 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 19:39:33,323 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 19:39:33,355 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states. [2019-11-06 19:39:33,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-06 19:39:33,365 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:39:33,366 INFO L410 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] [2019-11-06 19:39:33,368 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:39:33,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:39:33,374 INFO L82 PathProgramCache]: Analyzing trace with hash -466886759, now seen corresponding path program 1 times [2019-11-06 19:39:33,383 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:39:33,384 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729115502] [2019-11-06 19:39:33,384 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:39:33,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:39:35,273 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 391 [2019-11-06 19:39:35,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:39:35,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:39:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:39:35,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:39:35,504 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729115502] [2019-11-06 19:39:35,505 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 19:39:35,505 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-06 19:39:35,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644468021] [2019-11-06 19:39:35,511 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-06 19:39:35,511 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:39:35,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-06 19:39:35,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-06 19:39:35,531 INFO L87 Difference]: Start difference. First operand 699 states. Second operand 7 states. [2019-11-06 19:39:38,478 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 393 [2019-11-06 19:39:48,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:39:48,339 INFO L93 Difference]: Finished difference Result 1202 states and 1567 transitions. [2019-11-06 19:39:48,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 19:39:48,342 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2019-11-06 19:39:48,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:39:48,368 INFO L225 Difference]: With dead ends: 1202 [2019-11-06 19:39:48,368 INFO L226 Difference]: Without dead ends: 615 [2019-11-06 19:39:48,377 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2019-11-06 19:39:48,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2019-11-06 19:39:48,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 582. [2019-11-06 19:39:48,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2019-11-06 19:39:48,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 747 transitions. [2019-11-06 19:39:48,547 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 747 transitions. Word has length 31 [2019-11-06 19:39:48,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:39:48,548 INFO L462 AbstractCegarLoop]: Abstraction has 582 states and 747 transitions. [2019-11-06 19:39:48,548 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-06 19:39:48,548 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 747 transitions. [2019-11-06 19:39:48,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-06 19:39:48,552 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:39:48,552 INFO L410 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] [2019-11-06 19:39:48,552 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:39:48,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:39:48,553 INFO L82 PathProgramCache]: Analyzing trace with hash -503911691, now seen corresponding path program 1 times [2019-11-06 19:39:48,553 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:39:48,553 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408004391] [2019-11-06 19:39:48,553 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:39:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:39:49,760 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 391 [2019-11-06 19:39:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:39:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:39:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:39:49,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:39:49,849 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408004391] [2019-11-06 19:39:49,849 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 19:39:49,850 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-06 19:39:49,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400599149] [2019-11-06 19:39:49,851 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 19:39:49,852 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:39:49,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 19:39:49,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-06 19:39:49,852 INFO L87 Difference]: Start difference. First operand 582 states and 747 transitions. Second operand 5 states. [2019-11-06 19:39:52,148 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 393 [2019-11-06 19:40:04,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 19:40:04,170 INFO L93 Difference]: Finished difference Result 1526 states and 1972 transitions. [2019-11-06 19:40:04,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 19:40:04,171 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-06 19:40:04,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 19:40:04,179 INFO L225 Difference]: With dead ends: 1526 [2019-11-06 19:40:04,180 INFO L226 Difference]: Without dead ends: 955 [2019-11-06 19:40:04,183 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-06 19:40:04,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2019-11-06 19:40:04,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 887. [2019-11-06 19:40:04,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 887 states. [2019-11-06 19:40:04,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1145 transitions. [2019-11-06 19:40:04,385 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1145 transitions. Word has length 34 [2019-11-06 19:40:04,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 19:40:04,386 INFO L462 AbstractCegarLoop]: Abstraction has 887 states and 1145 transitions. [2019-11-06 19:40:04,386 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 19:40:04,386 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1145 transitions. [2019-11-06 19:40:04,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-06 19:40:04,388 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:40:04,389 INFO L410 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] [2019-11-06 19:40:04,389 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:40:04,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:40:04,389 INFO L82 PathProgramCache]: Analyzing trace with hash -159570386, now seen corresponding path program 1 times [2019-11-06 19:40:04,389 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:40:04,390 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813565365] [2019-11-06 19:40:04,390 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:40:04,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:40:05,562 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 391 [2019-11-06 19:40:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:40:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:40:05,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:40:05,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:40:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:40:05,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:40:05,761 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813565365] [2019-11-06 19:40:05,761 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 19:40:05,761 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 19:40:05,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487424266] [2019-11-06 19:40:05,762 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-06 19:40:05,762 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:40:05,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-06 19:40:05,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-06 19:40:05,763 INFO L87 Difference]: Start difference. First operand 887 states and 1145 transitions. Second operand 8 states.