java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 22:31:48,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 22:31:48,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 22:31:48,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 22:31:48,162 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 22:31:48,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 22:31:48,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 22:31:48,178 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 22:31:48,183 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 22:31:48,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 22:31:48,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 22:31:48,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 22:31:48,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 22:31:48,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 22:31:48,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 22:31:48,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 22:31:48,199 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 22:31:48,200 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 22:31:48,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 22:31:48,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 22:31:48,214 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 22:31:48,217 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 22:31:48,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 22:31:48,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 22:31:48,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 22:31:48,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 22:31:48,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 22:31:48,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 22:31:48,227 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 22:31:48,228 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 22:31:48,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 22:31:48,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 22:31:48,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 22:31:48,232 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 22:31:48,233 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 22:31:48,234 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 22:31:48,234 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 22:31:48,235 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 22:31:48,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 22:31:48,236 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 22:31:48,237 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 22:31:48,239 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 [2019-10-14 22:31:48,267 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 22:31:48,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 22:31:48,269 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 22:31:48,270 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 22:31:48,270 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 22:31:48,270 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 22:31:48,270 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 22:31:48,270 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 22:31:48,271 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 22:31:48,271 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 22:31:48,271 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 22:31:48,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 22:31:48,271 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 22:31:48,272 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 22:31:48,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 22:31:48,272 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 22:31:48,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 22:31:48,272 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 22:31:48,273 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 22:31:48,273 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 22:31:48,273 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 22:31:48,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 22:31:48,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 22:31:48,274 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 22:31:48,274 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 22:31:48,274 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 22:31:48,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 22:31:48,274 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 22:31:48,275 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 22:31:48,577 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 22:31:48,595 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 22:31:48,599 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 22:31:48,600 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 22:31:48,601 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 22:31:48,602 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i [2019-10-14 22:31:48,670 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb7e79826/865e1fde2f95454b81f6035a54271981/FLAGa12b1e338 [2019-10-14 22:31:49,417 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 22:31:49,418 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i [2019-10-14 22:31:49,457 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb7e79826/865e1fde2f95454b81f6035a54271981/FLAGa12b1e338 [2019-10-14 22:31:49,508 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb7e79826/865e1fde2f95454b81f6035a54271981 [2019-10-14 22:31:49,518 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 22:31:49,519 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 22:31:49,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 22:31:49,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 22:31:49,524 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 22:31:49,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:31:49" (1/1) ... [2019-10-14 22:31:49,531 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d3db40a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:49, skipping insertion in model container [2019-10-14 22:31:49,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:31:49" (1/1) ... [2019-10-14 22:31:49,540 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 22:31:49,640 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 22:31:50,250 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3059] [2019-10-14 22:31:50,251 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3060-3061] [2019-10-14 22:31:50,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 22:31:51,049 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 22:31:51,140 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3059] [2019-10-14 22:31:51,141 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3060-3061] [2019-10-14 22:31:51,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 22:31:51,385 INFO L192 MainTranslator]: Completed translation [2019-10-14 22:31:51,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:51 WrapperNode [2019-10-14 22:31:51,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 22:31:51,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 22:31:51,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 22:31:51,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 22:31:51,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:51" (1/1) ... [2019-10-14 22:31:51,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:51" (1/1) ... [2019-10-14 22:31:51,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:51" (1/1) ... [2019-10-14 22:31:51,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:51" (1/1) ... [2019-10-14 22:31:51,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:51" (1/1) ... [2019-10-14 22:31:51,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:51" (1/1) ... [2019-10-14 22:31:51,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:51" (1/1) ... [2019-10-14 22:31:51,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 22:31:51,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 22:31:51,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 22:31:51,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 22:31:51,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:51" (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 [2019-10-14 22:31:51,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 22:31:51,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 22:31:51,774 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-14 22:31:51,774 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-14 22:31:51,775 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-14 22:31:51,775 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-14 22:31:51,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-14 22:31:51,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_12 [2019-10-14 22:31:51,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-14 22:31:51,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-14 22:31:51,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-14 22:31:51,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-14 22:31:51,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-14 22:31:51,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-14 22:31:51,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-14 22:31:51,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-14 22:31:51,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-14 22:31:51,785 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2019-10-14 22:31:51,786 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev [2019-10-14 22:31:51,786 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2019-10-14 22:31:51,786 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-14 22:31:51,787 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-14 22:31:51,787 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_init_units [2019-10-14 22:31:51,787 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2019-10-14 22:31:51,787 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2019-10-14 22:31:51,788 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2019-10-14 22:31:51,788 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2019-10-14 22:31:51,788 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_sleep [2019-10-14 22:31:51,788 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_wait [2019-10-14 22:31:51,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_command [2019-10-14 22:31:51,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_completion [2019-10-14 22:31:51,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_reset [2019-10-14 22:31:51,789 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2019-10-14 22:31:51,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_identify [2019-10-14 22:31:51,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_probe [2019-10-14 22:31:51,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_detect [2019-10-14 22:31:51,791 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_open [2019-10-14 22:31:51,791 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_release [2019-10-14 22:31:51,791 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_write [2019-10-14 22:31:51,791 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_read [2019-10-14 22:31:51,792 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_init [2019-10-14 22:31:51,792 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_exit [2019-10-14 22:31:51,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_1 [2019-10-14 22:31:51,793 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 22:31:51,793 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-14 22:31:51,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_16 [2019-10-14 22:31:51,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_chrdev_19 [2019-10-14 22:31:51,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_20 [2019-10-14 22:31:51,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-14 22:31:51,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-14 22:31:51,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-14 22:31:51,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-14 22:31:51,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-14 22:31:51,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-14 22:31:51,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_create [2019-10-14 22:31:51,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-14 22:31:51,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-14 22:31:51,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-14 22:31:51,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __register_chrdev [2019-10-14 22:31:51,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __unregister_chrdev [2019-10-14 22:31:51,798 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-14 22:31:51,798 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-14 22:31:51,798 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2019-10-14 22:31:51,798 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2019-10-14 22:31:51,799 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2019-10-14 22:31:51,799 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2019-10-14 22:31:51,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-14 22:31:51,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-14 22:31:51,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-14 22:31:51,800 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-14 22:31:51,801 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-14 22:31:51,802 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-14 22:31:51,802 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2019-10-14 22:31:51,802 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2019-10-14 22:31:51,803 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2019-10-14 22:31:51,803 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2019-10-14 22:31:51,803 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2019-10-14 22:31:51,803 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2019-10-14 22:31:51,804 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2019-10-14 22:31:51,805 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2019-10-14 22:31:51,805 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_regr [2019-10-14 22:31:51,805 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-14 22:31:51,805 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2019-10-14 22:31:51,807 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-14 22:31:51,807 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-14 22:31:51,807 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-14 22:31:51,808 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-14 22:31:51,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 22:31:51,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 22:31:51,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-14 22:31:51,810 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-14 22:31:51,810 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-14 22:31:51,810 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-14 22:31:51,810 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-14 22:31:51,811 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-14 22:31:51,811 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-14 22:31:51,812 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-14 22:31:51,812 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-14 22:31:51,812 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-14 22:31:51,813 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-14 22:31:51,813 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-14 22:31:51,813 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-14 22:31:51,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-14 22:31:51,814 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-14 22:31:51,814 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2019-10-14 22:31:51,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_16 [2019-10-14 22:31:51,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_12 [2019-10-14 22:31:51,815 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-14 22:31:51,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-14 22:31:51,815 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 22:31:51,816 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-14 22:31:51,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 22:31:51,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2019-10-14 22:31:51,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_loff_t [2019-10-14 22:31:51,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-14 22:31:51,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-14 22:31:51,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-14 22:31:51,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 22:31:51,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-14 22:31:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-14 22:31:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-14 22:31:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-14 22:31:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-14 22:31:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-14 22:31:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-14 22:31:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-14 22:31:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_1 [2019-10-14 22:31:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2019-10-14 22:31:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 22:31:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure __register_chrdev [2019-10-14 22:31:51,883 INFO L130 BoogieDeclarations]: Found specification of procedure __unregister_chrdev [2019-10-14 22:31:51,883 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev [2019-10-14 22:31:51,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_chrdev_19 [2019-10-14 22:31:51,883 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2019-10-14 22:31:51,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_20 [2019-10-14 22:31:51,884 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2019-10-14 22:31:51,884 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-14 22:31:51,884 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2019-10-14 22:31:51,885 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2019-10-14 22:31:51,885 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2019-10-14 22:31:51,885 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2019-10-14 22:31:51,885 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2019-10-14 22:31:51,886 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-14 22:31:51,886 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-14 22:31:51,886 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-14 22:31:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-14 22:31:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-14 22:31:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-14 22:31:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2019-10-14 22:31:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2019-10-14 22:31:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_regr [2019-10-14 22:31:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2019-10-14 22:31:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2019-10-14 22:31:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2019-10-14 22:31:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2019-10-14 22:31:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2019-10-14 22:31:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure pg_open [2019-10-14 22:31:51,895 INFO L130 BoogieDeclarations]: Found specification of procedure pg_release [2019-10-14 22:31:51,895 INFO L130 BoogieDeclarations]: Found specification of procedure pg_read [2019-10-14 22:31:51,895 INFO L130 BoogieDeclarations]: Found specification of procedure pg_write [2019-10-14 22:31:51,895 INFO L130 BoogieDeclarations]: Found specification of procedure pg_detect [2019-10-14 22:31:51,895 INFO L130 BoogieDeclarations]: Found specification of procedure pg_identify [2019-10-14 22:31:51,896 INFO L130 BoogieDeclarations]: Found specification of procedure pg_init_units [2019-10-14 22:31:51,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 22:31:51,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 22:31:51,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 22:31:51,897 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2019-10-14 22:31:51,898 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2019-10-14 22:31:51,898 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2019-10-14 22:31:51,898 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2019-10-14 22:31:51,898 INFO L130 BoogieDeclarations]: Found specification of procedure pg_sleep [2019-10-14 22:31:51,898 INFO L130 BoogieDeclarations]: Found specification of procedure pg_wait [2019-10-14 22:31:51,899 INFO L130 BoogieDeclarations]: Found specification of procedure pg_command [2019-10-14 22:31:51,899 INFO L130 BoogieDeclarations]: Found specification of procedure pg_completion [2019-10-14 22:31:51,899 INFO L130 BoogieDeclarations]: Found specification of procedure pg_reset [2019-10-14 22:31:51,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 22:31:51,899 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2019-10-14 22:31:51,900 INFO L130 BoogieDeclarations]: Found specification of procedure pg_probe [2019-10-14 22:31:51,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-14 22:31:51,900 INFO L130 BoogieDeclarations]: Found specification of procedure pg_init [2019-10-14 22:31:51,900 INFO L130 BoogieDeclarations]: Found specification of procedure pg_exit [2019-10-14 22:31:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-14 22:31:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-14 22:31:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 22:31:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-14 22:31:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-14 22:31:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-14 22:31:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-14 22:31:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-14 22:31:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-14 22:31:51,903 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-14 22:31:51,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-14 22:31:51,903 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 22:31:51,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 22:31:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 22:31:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-14 22:31:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 22:31:52,658 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-14 22:31:54,781 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 22:31:54,781 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-14 22:31:54,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:31:54 BoogieIcfgContainer [2019-10-14 22:31:54,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 22:31:54,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 22:31:54,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 22:31:54,789 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 22:31:54,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:31:49" (1/3) ... [2019-10-14 22:31:54,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4538dccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:31:54, skipping insertion in model container [2019-10-14 22:31:54,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:31:51" (2/3) ... [2019-10-14 22:31:54,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4538dccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:31:54, skipping insertion in model container [2019-10-14 22:31:54,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:31:54" (3/3) ... [2019-10-14 22:31:54,793 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i [2019-10-14 22:31:54,804 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 22:31:54,815 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 22:31:54,828 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 22:31:54,860 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 22:31:54,861 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 22:31:54,861 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 22:31:54,861 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 22:31:54,861 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 22:31:54,861 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 22:31:54,861 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 22:31:54,862 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 22:31:54,896 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states. [2019-10-14 22:31:54,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-10-14 22:31:54,919 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:31:54,921 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 22:31:54,924 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:31:54,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:31:54,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1608218712, now seen corresponding path program 1 times [2019-10-14 22:31:54,943 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:31:54,944 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751858444] [2019-10-14 22:31:54,944 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:31:54,944 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:31:54,945 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:31:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:31:56,632 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 331 [2019-10-14 22:31:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:31:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:31:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:31:56,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:31:56,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:31:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:31:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:31:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:31:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:31:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:31:56,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:31:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:31:56,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:31:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:31:56,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:31:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:31:56,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:31:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:31:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:31:57,010 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-14 22:31:57,010 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751858444] [2019-10-14 22:31:57,011 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 22:31:57,012 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-14 22:31:57,012 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530942405] [2019-10-14 22:31:57,018 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-14 22:31:57,019 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:31:57,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-14 22:31:57,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-10-14 22:31:57,040 INFO L87 Difference]: Start difference. First operand 627 states. Second operand 7 states. [2019-10-14 22:31:58,748 WARN L191 SmtUtils]: Spent 947.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2019-10-14 22:32:13,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 22:32:13,337 INFO L93 Difference]: Finished difference Result 1737 states and 2311 transitions. [2019-10-14 22:32:13,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-14 22:32:13,348 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 125 [2019-10-14 22:32:13,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 22:32:13,388 INFO L225 Difference]: With dead ends: 1737 [2019-10-14 22:32:13,388 INFO L226 Difference]: Without dead ends: 1044 [2019-10-14 22:32:13,399 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2019-10-14 22:32:13,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1044 states. [2019-10-14 22:32:13,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1044 to 839. [2019-10-14 22:32:13,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 839 states. [2019-10-14 22:32:13,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 839 states and 1084 transitions. [2019-10-14 22:32:13,707 INFO L78 Accepts]: Start accepts. Automaton has 839 states and 1084 transitions. Word has length 125 [2019-10-14 22:32:13,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 22:32:13,707 INFO L462 AbstractCegarLoop]: Abstraction has 839 states and 1084 transitions. [2019-10-14 22:32:13,707 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-14 22:32:13,708 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1084 transitions. [2019-10-14 22:32:13,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-14 22:32:13,735 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:32:13,736 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 22:32:13,736 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:32:13,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:32:13,737 INFO L82 PathProgramCache]: Analyzing trace with hash 1604958363, now seen corresponding path program 1 times [2019-10-14 22:32:13,738 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:32:13,738 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286902002] [2019-10-14 22:32:13,738 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:32:13,738 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:32:13,738 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:32:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:14,691 WARN L191 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 331 [2019-10-14 22:32:14,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:14,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:14,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:14,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:14,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:15,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:15,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:15,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:15,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:15,284 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-14 22:32:15,285 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286902002] [2019-10-14 22:32:15,285 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 22:32:15,285 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-14 22:32:15,285 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191410201] [2019-10-14 22:32:15,287 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 22:32:15,288 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:32:15,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 22:32:15,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-10-14 22:32:15,288 INFO L87 Difference]: Start difference. First operand 839 states and 1084 transitions. Second operand 11 states. [2019-10-14 22:32:24,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 22:32:24,361 INFO L93 Difference]: Finished difference Result 1778 states and 2334 transitions. [2019-10-14 22:32:24,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-14 22:32:24,362 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 189 [2019-10-14 22:32:24,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 22:32:24,370 INFO L225 Difference]: With dead ends: 1778 [2019-10-14 22:32:24,370 INFO L226 Difference]: Without dead ends: 966 [2019-10-14 22:32:24,375 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2019-10-14 22:32:24,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2019-10-14 22:32:24,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 847. [2019-10-14 22:32:24,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 847 states. [2019-10-14 22:32:24,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 1092 transitions. [2019-10-14 22:32:24,517 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 1092 transitions. Word has length 189 [2019-10-14 22:32:24,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 22:32:24,517 INFO L462 AbstractCegarLoop]: Abstraction has 847 states and 1092 transitions. [2019-10-14 22:32:24,518 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-14 22:32:24,518 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1092 transitions. [2019-10-14 22:32:24,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-10-14 22:32:24,524 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:32:24,524 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 22:32:24,524 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:32:24,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:32:24,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1635052164, now seen corresponding path program 1 times [2019-10-14 22:32:24,525 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:32:24,525 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247424647] [2019-10-14 22:32:24,526 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:32:24,526 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:32:24,526 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:32:24,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,513 WARN L191 SmtUtils]: Spent 855.00 ms on a formula simplification that was a NOOP. DAG size: 331 [2019-10-14 22:32:25,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:26,017 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2019-10-14 22:32:26,018 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247424647] [2019-10-14 22:32:26,018 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 22:32:26,018 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-14 22:32:26,018 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261007577] [2019-10-14 22:32:26,019 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 22:32:26,020 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:32:26,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 22:32:26,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-10-14 22:32:26,020 INFO L87 Difference]: Start difference. First operand 847 states and 1092 transitions. Second operand 11 states.