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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 01:52:34,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 01:52:34,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 01:52:34,077 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 01:52:34,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 01:52:34,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 01:52:34,081 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 01:52:34,084 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 01:52:34,086 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 01:52:34,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 01:52:34,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 01:52:34,090 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 01:52:34,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 01:52:34,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 01:52:34,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 01:52:34,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 01:52:34,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 01:52:34,103 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 01:52:34,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 01:52:34,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 01:52:34,116 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 01:52:34,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 01:52:34,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 01:52:34,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 01:52:34,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 01:52:34,122 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 01:52:34,122 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 01:52:34,123 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 01:52:34,124 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 01:52:34,125 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 01:52:34,125 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 01:52:34,126 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 01:52:34,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 01:52:34,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 01:52:34,129 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 01:52:34,129 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 01:52:34,130 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 01:52:34,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 01:52:34,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 01:52:34,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 01:52:34,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 01:52:34,133 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 01:52:34,151 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 01:52:34,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 01:52:34,152 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 01:52:34,152 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 01:52:34,153 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 01:52:34,153 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 01:52:34,153 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 01:52:34,153 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 01:52:34,154 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 01:52:34,154 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 01:52:34,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 01:52:34,155 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 01:52:34,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 01:52:34,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 01:52:34,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 01:52:34,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 01:52:34,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 01:52:34,156 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 01:52:34,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 01:52:34,157 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 01:52:34,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 01:52:34,157 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 01:52:34,157 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 01:52:34,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 01:52:34,158 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 01:52:34,158 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 01:52:34,158 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 01:52:34,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 01:52:34,159 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 01:52:34,159 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 01:52:34,205 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 01:52:34,223 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 01:52:34,228 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 01:52:34,230 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 01:52:34,231 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 01:52:34,232 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i [2019-10-03 01:52:34,317 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9532f5080/a68d9d64f88248898ca838c80c141c3f/FLAGf514008e7 [2019-10-03 01:52:35,153 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 01:52:35,154 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i [2019-10-03 01:52:35,210 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9532f5080/a68d9d64f88248898ca838c80c141c3f/FLAGf514008e7 [2019-10-03 01:52:35,702 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9532f5080/a68d9d64f88248898ca838c80c141c3f [2019-10-03 01:52:35,713 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 01:52:35,715 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 01:52:35,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 01:52:35,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 01:52:35,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 01:52:35,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 01:52:35" (1/1) ... [2019-10-03 01:52:35,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4364f426 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:52:35, skipping insertion in model container [2019-10-03 01:52:35,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 01:52:35" (1/1) ... [2019-10-03 01:52:35,735 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 01:52:35,888 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 01:52:38,116 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 01:52:38,208 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 01:52:38,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 01:52:39,078 INFO L192 MainTranslator]: Completed translation [2019-10-03 01:52:39,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:52:39 WrapperNode [2019-10-03 01:52:39,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 01:52:39,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 01:52:39,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 01:52:39,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 01:52:39,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:52:39" (1/1) ... [2019-10-03 01:52:39,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:52:39" (1/1) ... [2019-10-03 01:52:39,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:52:39" (1/1) ... [2019-10-03 01:52:39,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:52:39" (1/1) ... [2019-10-03 01:52:39,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:52:39" (1/1) ... [2019-10-03 01:52:39,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:52:39" (1/1) ... [2019-10-03 01:52:39,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:52:39" (1/1) ... [2019-10-03 01:52:39,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 01:52:39,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 01:52:39,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 01:52:39,516 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 01:52:39,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:52:39" (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 [2019-10-03 01:52:39,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 01:52:39,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 01:52:39,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-03 01:52:39,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-03 01:52:39,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-03 01:52:39,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2019-10-03 01:52:39,626 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-03 01:52:39,627 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-03 01:52:39,627 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-03 01:52:39,627 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-03 01:52:39,627 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-03 01:52:39,628 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-03 01:52:39,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-03 01:52:39,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-03 01:52:39,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-03 01:52:39,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-03 01:52:39,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-03 01:52:39,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-03 01:52:39,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-03 01:52:39,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-03 01:52:39,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-03 01:52:39,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2019-10-03 01:52:39,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2019-10-03 01:52:39,633 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-03 01:52:39,634 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-03 01:52:39,634 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-03 01:52:39,635 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-03 01:52:39,635 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-03 01:52:39,635 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-10-03 01:52:39,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2019-10-03 01:52:39,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2019-10-03 01:52:39,636 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2019-10-03 01:52:39,636 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2019-10-03 01:52:39,636 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2019-10-03 01:52:39,636 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2019-10-03 01:52:39,637 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2019-10-03 01:52:39,637 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail_rcu [2019-10-03 01:52:39,637 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_rcu [2019-10-03 01:52:39,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-03 01:52:39,637 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-03 01:52:39,638 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-03 01:52:39,638 INFO L138 BoogieDeclarations]: Found implementation of procedure imajor [2019-10-03 01:52:39,638 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-03 01:52:39,638 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2019-10-03 01:52:39,638 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-03 01:52:39,639 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-03 01:52:39,639 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_device [2019-10-03 01:52:39,639 INFO L138 BoogieDeclarations]: Found implementation of procedure input_put_device [2019-10-03 01:52:39,639 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_min [2019-10-03 01:52:39,639 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_max [2019-10-03 01:52:39,640 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_touchpad_event [2019-10-03 01:52:39,640 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_abs_event [2019-10-03 01:52:39,640 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_rel_event [2019-10-03 01:52:39,640 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_key_event [2019-10-03 01:52:39,641 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_notify_readers [2019-10-03 01:52:39,641 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_touchpad_touch [2019-10-03 01:52:39,641 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_event [2019-10-03 01:52:39,641 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_fasync [2019-10-03 01:52:39,642 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_free [2019-10-03 01:52:39,642 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_open_device [2019-10-03 01:52:39,642 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_close_device [2019-10-03 01:52:39,643 INFO L138 BoogieDeclarations]: Found implementation of procedure mixdev_open_devices [2019-10-03 01:52:39,643 INFO L138 BoogieDeclarations]: Found implementation of procedure mixdev_close_devices [2019-10-03 01:52:39,643 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_attach_client [2019-10-03 01:52:39,643 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_detach_client [2019-10-03 01:52:39,644 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_release [2019-10-03 01:52:39,644 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_open [2019-10-03 01:52:39,644 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_limit_delta [2019-10-03 01:52:39,644 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_packet [2019-10-03 01:52:39,644 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_generate_response [2019-10-03 01:52:39,645 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_write [2019-10-03 01:52:39,645 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_read [2019-10-03 01:52:39,645 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_poll [2019-10-03 01:52:39,646 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_mark_dead [2019-10-03 01:52:39,646 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_hangup [2019-10-03 01:52:39,646 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_cleanup [2019-10-03 01:52:39,647 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_reserve_minor [2019-10-03 01:52:39,647 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_create [2019-10-03 01:52:39,647 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_destroy [2019-10-03 01:52:39,648 INFO L138 BoogieDeclarations]: Found implementation of procedure mixdev_add_device [2019-10-03 01:52:39,648 INFO L138 BoogieDeclarations]: Found implementation of procedure mixdev_remove_device [2019-10-03 01:52:39,648 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_connect [2019-10-03 01:52:39,648 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_disconnect [2019-10-03 01:52:39,649 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_psaux_register [2019-10-03 01:52:39,649 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_psaux_unregister [2019-10-03 01:52:39,650 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_init [2019-10-03 01:52:39,650 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_exit [2019-10-03 01:52:39,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2019-10-03 01:52:39,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_input_handler_1 [2019-10-03 01:52:39,651 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 01:52:39,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-10-03 01:52:39,651 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-03 01:52:39,651 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-03 01:52:39,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-03 01:52:39,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-03 01:52:39,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2019-10-03 01:52:39,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_8 [2019-10-03 01:52:39,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_9 [2019-10-03 01:52:39,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_10 [2019-10-03 01:52:39,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-03 01:52:39,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_12 [2019-10-03 01:52:39,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2019-10-03 01:52:39,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_14 [2019-10-03 01:52:39,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2019-10-03 01:52:39,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_16 [2019-10-03 01:52:39,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_17 [2019-10-03 01:52:39,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_18 [2019-10-03 01:52:39,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-10-03 01:52:39,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2019-10-03 01:52:39,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-10-03 01:52:39,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_del_22 [2019-10-03 01:52:39,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_init_23 [2019-10-03 01:52:39,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_24 [2019-10-03 01:52:39,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_25 [2019-10-03 01:52:39,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2019-10-03 01:52:39,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2019-10-03 01:52:39,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_register_28 [2019-10-03 01:52:39,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_29 [2019-10-03 01:52:39,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-03 01:52:39,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-03 01:52:39,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-03 01:52:39,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-03 01:52:39,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-03 01:52:39,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-03 01:52:39,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-03 01:52:39,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-03 01:52:39,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-03 01:52:39,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-03 01:52:39,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-03 01:52:39,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-03 01:52:39,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-03 01:52:39,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-03 01:52:39,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-03 01:52:39,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-03 01:52:39,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-03 01:52:39,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-03 01:52:39,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-03 01:52:39,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-03 01:52:39,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-03 01:52:39,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-03 01:52:39,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-03 01:52:39,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-03 01:52:39,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-10-03 01:52:39,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-10-03 01:52:39,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-10-03 01:52:39,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-10-03 01:52:39,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-03 01:52:39,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-03 01:52:39,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-03 01:52:39,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-03 01:52:39,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-03 01:52:39,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-03 01:52:39,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-03 01:52:39,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-10-03 01:52:39,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-03 01:52:39,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-03 01:52:39,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-03 01:52:39,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_mousedev [2019-10-03 01:52:39,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_mousedev [2019-10-03 01:52:39,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_mousedev [2019-10-03 01:52:39,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_mousedev [2019-10-03 01:52:39,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_mousedev [2019-10-03 01:52:39,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_mousedev [2019-10-03 01:52:39,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_mousedev [2019-10-03 01:52:39,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_mousedev [2019-10-03 01:52:39,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_mousedev [2019-10-03 01:52:39,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_mousedev [2019-10-03 01:52:39,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_mousedev [2019-10-03 01:52:39,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-03 01:52:39,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-03 01:52:39,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-03 01:52:39,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-03 01:52:39,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add_rcu [2019-10-03 01:52:39,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-03 01:52:39,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-03 01:52:39,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-10-03 01:52:39,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __msecs_to_jiffies [2019-10-03 01:52:39,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-03 01:52:39,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-03 01:52:39,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-03 01:52:39,679 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-03 01:52:39,679 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-03 01:52:39,679 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-03 01:52:39,679 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-03 01:52:39,679 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-03 01:52:39,680 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2019-10-03 01:52:39,680 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2019-10-03 01:52:39,680 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_init [2019-10-03 01:52:39,680 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-10-03 01:52:39,680 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_name [2019-10-03 01:52:39,680 INFO L138 BoogieDeclarations]: Found implementation of procedure device_add [2019-10-03 01:52:39,680 INFO L138 BoogieDeclarations]: Found implementation of procedure device_del [2019-10-03 01:52:39,681 INFO L138 BoogieDeclarations]: Found implementation of procedure device_initialize [2019-10-03 01:52:39,681 INFO L138 BoogieDeclarations]: Found implementation of procedure fasync_helper [2019-10-03 01:52:39,681 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-03 01:52:39,681 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2019-10-03 01:52:39,681 INFO L138 BoogieDeclarations]: Found implementation of procedure input_close_device [2019-10-03 01:52:39,681 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_minor [2019-10-03 01:52:39,681 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_new_minor [2019-10-03 01:52:39,682 INFO L138 BoogieDeclarations]: Found implementation of procedure input_open_device [2019-10-03 01:52:39,682 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_handle [2019-10-03 01:52:39,682 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_handler [2019-10-03 01:52:39,682 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_handle [2019-10-03 01:52:39,682 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_handler [2019-10-03 01:52:39,682 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_fasync [2019-10-03 01:52:39,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_bind_1 [2019-10-03 01:52:39,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-03 01:52:39,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2019-10-03 01:52:39,683 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2019-10-03 01:52:39,683 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2019-10-03 01:52:39,683 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-03 01:52:39,683 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2019-10-03 01:52:39,683 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2019-10-03 01:52:39,684 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2019-10-03 01:52:39,684 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-03 01:52:39,684 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-10-03 01:52:39,684 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-03 01:52:39,684 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-03 01:52:39,684 INFO L138 BoogieDeclarations]: Found implementation of procedure nonseekable_open [2019-10-03 01:52:39,684 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2019-10-03 01:52:39,685 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-10-03 01:52:39,685 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-03 01:52:39,685 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2019-10-03 01:52:39,685 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2019-10-03 01:52:39,685 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-03 01:52:39,685 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_sched [2019-10-03 01:52:39,685 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-03 01:52:39,686 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-03 01:52:39,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-03 01:52:39,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-03 01:52:39,686 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-03 01:52:39,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 01:52:39,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-03 01:52:39,687 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2019-10-03 01:52:39,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-03 01:52:39,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 01:52:39,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 01:52:39,688 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-03 01:52:39,688 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-03 01:52:39,688 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-03 01:52:39,688 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-03 01:52:39,688 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-10-03 01:52:39,689 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-03 01:52:39,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-03 01:52:39,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-03 01:52:39,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-03 01:52:39,689 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-03 01:52:39,689 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-03 01:52:39,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 01:52:39,690 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-03 01:52:39,690 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-03 01:52:39,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 01:52:39,690 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-03 01:52:39,691 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-03 01:52:39,691 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-03 01:52:39,691 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-03 01:52:39,691 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-10-03 01:52:39,691 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-03 01:52:39,691 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-03 01:52:39,692 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-03 01:52:39,692 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2019-10-03 01:52:39,692 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2019-10-03 01:52:39,692 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2019-10-03 01:52:39,692 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-03 01:52:39,693 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-03 01:52:39,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_10 [2019-10-03 01:52:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-03 01:52:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-03 01:52:39,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_8 [2019-10-03 01:52:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-03 01:52:39,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2019-10-03 01:52:39,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2019-10-03 01:52:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_17 [2019-10-03 01:52:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-10-03 01:52:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-10-03 01:52:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_25 [2019-10-03 01:52:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2019-10-03 01:52:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 01:52:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-03 01:52:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 01:52:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-03 01:52:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-03 01:52:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 01:52:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-03 01:52:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 01:52:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-03 01:52:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-03 01:52:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-03 01:52:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-03 01:52:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-03 01:52:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-03 01:52:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-03 01:52:39,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-03 01:52:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-03 01:52:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-10-03 01:52:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_12 [2019-10-03 01:52:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_16 [2019-10-03 01:52:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_24 [2019-10-03 01:52:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-03 01:52:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-03 01:52:39,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2019-10-03 01:52:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_9 [2019-10-03 01:52:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_14 [2019-10-03 01:52:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_18 [2019-10-03 01:52:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2019-10-03 01:52:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2019-10-03 01:52:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-03 01:52:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-03 01:52:39,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-03 01:52:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-03 01:52:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-03 01:52:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-03 01:52:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-03 01:52:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_mousedev [2019-10-03 01:52:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_mousedev [2019-10-03 01:52:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_mousedev [2019-10-03 01:52:39,709 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2019-10-03 01:52:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2019-10-03 01:52:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-03 01:52:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-03 01:52:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-03 01:52:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-03 01:52:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-03 01:52:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-03 01:52:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-03 01:52:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-03 01:52:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-03 01:52:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-03 01:52:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-03 01:52:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-03 01:52:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-10-03 01:52:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-03 01:52:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure __msecs_to_jiffies [2019-10-03 01:52:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-10-03 01:52:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_sched [2019-10-03 01:52:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2019-10-03 01:52:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2019-10-03 01:52:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2019-10-03 01:52:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2019-10-03 01:52:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2019-10-03 01:52:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2019-10-03 01:52:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-10-03 01:52:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2019-10-03 01:52:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 01:52:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2019-10-03 01:52:39,714 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add_rcu [2019-10-03 01:52:39,714 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail_rcu [2019-10-03 01:52:39,714 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_rcu [2019-10-03 01:52:39,714 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-03 01:52:39,714 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-03 01:52:39,714 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-03 01:52:39,714 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-03 01:52:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-03 01:52:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2019-10-03 01:52:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_input_handler_1 [2019-10-03 01:52:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure imajor [2019-10-03 01:52:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure fasync_helper [2019-10-03 01:52:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure kill_fasync [2019-10-03 01:52:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2019-10-03 01:52:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure nonseekable_open [2019-10-03 01:52:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-03 01:52:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-03 01:52:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-03 01:52:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2019-10-03 01:52:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-03 01:52:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-03 01:52:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-03 01:52:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_name [2019-10-03 01:52:39,717 INFO L130 BoogieDeclarations]: Found specification of procedure device_initialize [2019-10-03 01:52:39,717 INFO L130 BoogieDeclarations]: Found specification of procedure device_add [2019-10-03 01:52:39,717 INFO L130 BoogieDeclarations]: Found specification of procedure device_del [2019-10-03 01:52:39,717 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2019-10-03 01:52:39,717 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2019-10-03 01:52:39,717 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_device [2019-10-03 01:52:39,717 INFO L130 BoogieDeclarations]: Found specification of procedure input_put_device [2019-10-03 01:52:39,717 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_handler [2019-10-03 01:52:39,718 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_handler [2019-10-03 01:52:39,718 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_new_minor [2019-10-03 01:52:39,718 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_minor [2019-10-03 01:52:39,718 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_handle [2019-10-03 01:52:39,718 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_handle [2019-10-03 01:52:39,718 INFO L130 BoogieDeclarations]: Found specification of procedure input_open_device [2019-10-03 01:52:39,718 INFO L130 BoogieDeclarations]: Found specification of procedure input_close_device [2019-10-03 01:52:39,718 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_min [2019-10-03 01:52:39,719 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_max [2019-10-03 01:52:39,719 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_init [2019-10-03 01:52:39,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_init_23 [2019-10-03 01:52:39,719 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2019-10-03 01:52:39,719 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2019-10-03 01:52:39,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_del_22 [2019-10-03 01:52:39,719 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_touchpad_event [2019-10-03 01:52:39,719 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_abs_event [2019-10-03 01:52:39,720 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_rel_event [2019-10-03 01:52:39,720 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_key_event [2019-10-03 01:52:39,720 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_notify_readers [2019-10-03 01:52:39,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 01:52:39,720 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_touchpad_touch [2019-10-03 01:52:39,720 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_event [2019-10-03 01:52:39,721 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_fasync [2019-10-03 01:52:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_free [2019-10-03 01:52:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_open_device [2019-10-03 01:52:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_close_device [2019-10-03 01:52:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure mixdev_open_devices [2019-10-03 01:52:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure mixdev_close_devices [2019-10-03 01:52:39,722 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_attach_client [2019-10-03 01:52:39,723 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_detach_client [2019-10-03 01:52:39,723 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_release [2019-10-03 01:52:39,723 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-03 01:52:39,723 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_open [2019-10-03 01:52:39,723 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-03 01:52:39,723 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_limit_delta [2019-10-03 01:52:39,723 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_packet [2019-10-03 01:52:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_generate_response [2019-10-03 01:52:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_write [2019-10-03 01:52:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_read [2019-10-03 01:52:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_poll [2019-10-03 01:52:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_mark_dead [2019-10-03 01:52:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_hangup [2019-10-03 01:52:39,724 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_cleanup [2019-10-03 01:52:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_reserve_minor [2019-10-03 01:52:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_create [2019-10-03 01:52:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_destroy [2019-10-03 01:52:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure mixdev_add_device [2019-10-03 01:52:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure mixdev_remove_device [2019-10-03 01:52:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_connect [2019-10-03 01:52:39,727 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_disconnect [2019-10-03 01:52:39,728 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2019-10-03 01:52:39,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_register_28 [2019-10-03 01:52:39,728 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2019-10-03 01:52:39,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_29 [2019-10-03 01:52:39,728 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_psaux_register [2019-10-03 01:52:39,728 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_psaux_unregister [2019-10-03 01:52:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_init [2019-10-03 01:52:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_exit [2019-10-03 01:52:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-03 01:52:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-03 01:52:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2019-10-03 01:52:39,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_bind_1 [2019-10-03 01:52:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 01:52:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-03 01:52:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-03 01:52:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-03 01:52:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-03 01:52:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-03 01:52:39,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-03 01:52:39,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-03 01:52:39,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-03 01:52:39,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-03 01:52:39,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-03 01:52:39,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-03 01:52:39,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-03 01:52:39,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-03 01:52:39,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-03 01:52:39,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-03 01:52:39,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-03 01:52:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-03 01:52:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-10-03 01:52:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-10-03 01:52:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-10-03 01:52:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-10-03 01:52:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-03 01:52:39,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-03 01:52:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-03 01:52:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-03 01:52:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-10-03 01:52:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-03 01:52:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-03 01:52:39,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-03 01:52:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_mousedev [2019-10-03 01:52:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_mousedev [2019-10-03 01:52:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_mousedev [2019-10-03 01:52:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_mousedev [2019-10-03 01:52:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_mousedev [2019-10-03 01:52:39,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_mousedev [2019-10-03 01:52:39,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_mousedev [2019-10-03 01:52:39,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_mousedev [2019-10-03 01:52:39,736 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-03 01:52:39,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-03 01:52:39,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-03 01:52:39,736 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 01:52:39,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 01:52:39,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 01:52:39,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-03 01:52:39,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 01:52:39,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-03 01:52:39,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-03 01:52:39,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-03 01:52:39,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-03 01:52:40,913 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-03 01:52:46,856 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 01:52:46,857 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-03 01:52:46,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:52:46 BoogieIcfgContainer [2019-10-03 01:52:46,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 01:52:46,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 01:52:46,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 01:52:46,865 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 01:52:46,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 01:52:35" (1/3) ... [2019-10-03 01:52:46,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b5499f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 01:52:46, skipping insertion in model container [2019-10-03 01:52:46,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:52:39" (2/3) ... [2019-10-03 01:52:46,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b5499f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 01:52:46, skipping insertion in model container [2019-10-03 01:52:46,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:52:46" (3/3) ... [2019-10-03 01:52:46,870 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i [2019-10-03 01:52:46,883 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 01:52:46,899 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 01:52:46,921 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 01:52:46,955 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 01:52:46,956 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 01:52:46,956 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 01:52:46,959 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 01:52:46,960 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 01:52:46,960 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 01:52:46,960 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 01:52:46,960 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 01:52:47,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states. [2019-10-03 01:52:47,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2019-10-03 01:52:47,053 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:52:47,055 INFO L411 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:52:47,057 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:52:47,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:52:47,064 INFO L82 PathProgramCache]: Analyzing trace with hash 694964171, now seen corresponding path program 1 times [2019-10-03 01:52:47,067 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:52:47,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:52:47,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:52:47,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:52:47,150 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:52:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:52:48,060 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2019-10-03 01:52:48,063 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:52:48,064 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:52:48,064 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:52:48,070 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:52:48,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:52:48,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:52:48,090 INFO L87 Difference]: Start difference. First operand 1555 states. Second operand 3 states. [2019-10-03 01:52:48,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:52:48,411 INFO L93 Difference]: Finished difference Result 2219 states and 2797 transitions. [2019-10-03 01:52:48,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:52:48,413 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214 [2019-10-03 01:52:48,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:52:48,472 INFO L225 Difference]: With dead ends: 2219 [2019-10-03 01:52:48,473 INFO L226 Difference]: Without dead ends: 2196 [2019-10-03 01:52:48,475 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:52:48,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2196 states. [2019-10-03 01:52:48,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2196 to 2181. [2019-10-03 01:52:48,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2181 states. [2019-10-03 01:52:48,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 2181 states and 2750 transitions. [2019-10-03 01:52:48,712 INFO L78 Accepts]: Start accepts. Automaton has 2181 states and 2750 transitions. Word has length 214 [2019-10-03 01:52:48,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:52:48,713 INFO L475 AbstractCegarLoop]: Abstraction has 2181 states and 2750 transitions. [2019-10-03 01:52:48,714 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:52:48,714 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 2750 transitions. [2019-10-03 01:52:48,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-10-03 01:52:48,721 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:52:48,721 INFO L411 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:52:48,721 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:52:48,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:52:48,722 INFO L82 PathProgramCache]: Analyzing trace with hash 145440625, now seen corresponding path program 1 times [2019-10-03 01:52:48,722 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:52:48,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:52:48,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:52:48,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:52:48,736 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:52:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:52:49,369 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2019-10-03 01:52:49,369 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:52:49,370 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:52:49,370 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:52:49,388 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:52:49,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:52:49,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:52:49,390 INFO L87 Difference]: Start difference. First operand 2181 states and 2750 transitions. Second operand 3 states. [2019-10-03 01:52:51,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:52:51,617 INFO L93 Difference]: Finished difference Result 4023 states and 5087 transitions. [2019-10-03 01:52:51,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:52:51,618 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 228 [2019-10-03 01:52:51,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:52:51,646 INFO L225 Difference]: With dead ends: 4023 [2019-10-03 01:52:51,646 INFO L226 Difference]: Without dead ends: 4023 [2019-10-03 01:52:51,647 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:52:51,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4023 states. [2019-10-03 01:52:51,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4023 to 4018. [2019-10-03 01:52:51,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4018 states. [2019-10-03 01:52:51,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4018 states to 4018 states and 5083 transitions. [2019-10-03 01:52:51,825 INFO L78 Accepts]: Start accepts. Automaton has 4018 states and 5083 transitions. Word has length 228 [2019-10-03 01:52:51,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:52:51,827 INFO L475 AbstractCegarLoop]: Abstraction has 4018 states and 5083 transitions. [2019-10-03 01:52:51,828 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:52:51,828 INFO L276 IsEmpty]: Start isEmpty. Operand 4018 states and 5083 transitions. [2019-10-03 01:52:51,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2019-10-03 01:52:51,836 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:52:51,837 INFO L411 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:52:51,837 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:52:51,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:52:51,838 INFO L82 PathProgramCache]: Analyzing trace with hash 884049313, now seen corresponding path program 1 times [2019-10-03 01:52:51,838 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:52:51,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:52:51,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:52:51,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:52:51,856 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:52:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:52:52,436 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2019-10-03 01:52:52,436 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:52:52,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:52:52,437 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:52:52,438 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:52:52,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:52:52,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:52:52,439 INFO L87 Difference]: Start difference. First operand 4018 states and 5083 transitions. Second operand 3 states. [2019-10-03 01:52:52,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:52:52,655 INFO L93 Difference]: Finished difference Result 6036 states and 7618 transitions. [2019-10-03 01:52:52,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:52:52,656 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 260 [2019-10-03 01:52:52,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:52:52,699 INFO L225 Difference]: With dead ends: 6036 [2019-10-03 01:52:52,700 INFO L226 Difference]: Without dead ends: 6036 [2019-10-03 01:52:52,700 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:52:52,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6036 states. [2019-10-03 01:52:52,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6036 to 5917. [2019-10-03 01:52:52,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5917 states. [2019-10-03 01:52:52,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5917 states to 5917 states and 7484 transitions. [2019-10-03 01:52:52,941 INFO L78 Accepts]: Start accepts. Automaton has 5917 states and 7484 transitions. Word has length 260 [2019-10-03 01:52:52,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:52:52,942 INFO L475 AbstractCegarLoop]: Abstraction has 5917 states and 7484 transitions. [2019-10-03 01:52:52,942 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:52:52,942 INFO L276 IsEmpty]: Start isEmpty. Operand 5917 states and 7484 transitions. [2019-10-03 01:52:52,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2019-10-03 01:52:52,948 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:52:52,948 INFO L411 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:52:52,949 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:52:52,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:52:52,949 INFO L82 PathProgramCache]: Analyzing trace with hash -419346077, now seen corresponding path program 1 times [2019-10-03 01:52:52,950 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:52:52,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:52:52,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:52:52,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:52:52,964 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:52:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:52:53,325 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2019-10-03 01:52:53,326 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:52:53,326 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:52:53,326 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:52:53,327 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:52:53,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:52:53,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:52:53,328 INFO L87 Difference]: Start difference. First operand 5917 states and 7484 transitions. Second operand 3 states. [2019-10-03 01:52:53,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:52:53,403 INFO L93 Difference]: Finished difference Result 5916 states and 7482 transitions. [2019-10-03 01:52:53,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:52:53,404 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 264 [2019-10-03 01:52:53,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:52:53,448 INFO L225 Difference]: With dead ends: 5916 [2019-10-03 01:52:53,448 INFO L226 Difference]: Without dead ends: 5916 [2019-10-03 01:52:53,449 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:52:53,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5916 states. [2019-10-03 01:52:53,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5916 to 5916. [2019-10-03 01:52:53,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5916 states. [2019-10-03 01:52:53,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5916 states to 5916 states and 7482 transitions. [2019-10-03 01:52:53,789 INFO L78 Accepts]: Start accepts. Automaton has 5916 states and 7482 transitions. Word has length 264 [2019-10-03 01:52:53,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:52:53,791 INFO L475 AbstractCegarLoop]: Abstraction has 5916 states and 7482 transitions. [2019-10-03 01:52:53,791 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:52:53,791 INFO L276 IsEmpty]: Start isEmpty. Operand 5916 states and 7482 transitions. [2019-10-03 01:52:53,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2019-10-03 01:52:53,796 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:52:53,797 INFO L411 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:52:53,797 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:52:53,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:52:53,798 INFO L82 PathProgramCache]: Analyzing trace with hash 1557787236, now seen corresponding path program 1 times [2019-10-03 01:52:53,798 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:52:53,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:52:53,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:52:53,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:52:53,811 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:52:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:52:54,251 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2019-10-03 01:52:54,252 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:52:54,252 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-03 01:52:54,252 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:52:54,253 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-03 01:52:54,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-03 01:52:54,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-03 01:52:54,254 INFO L87 Difference]: Start difference. First operand 5916 states and 7482 transitions. Second operand 4 states. [2019-10-03 01:53:02,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:53:02,940 INFO L93 Difference]: Finished difference Result 11759 states and 15331 transitions. [2019-10-03 01:53:02,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 01:53:02,941 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 268 [2019-10-03 01:53:02,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:53:03,015 INFO L225 Difference]: With dead ends: 11759 [2019-10-03 01:53:03,016 INFO L226 Difference]: Without dead ends: 11758 [2019-10-03 01:53:03,016 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-03 01:53:03,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11758 states. [2019-10-03 01:53:03,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11758 to 11104. [2019-10-03 01:53:03,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11104 states. [2019-10-03 01:53:03,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11104 states to 11104 states and 14302 transitions. [2019-10-03 01:53:03,413 INFO L78 Accepts]: Start accepts. Automaton has 11104 states and 14302 transitions. Word has length 268 [2019-10-03 01:53:03,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:53:03,414 INFO L475 AbstractCegarLoop]: Abstraction has 11104 states and 14302 transitions. [2019-10-03 01:53:03,415 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-03 01:53:03,415 INFO L276 IsEmpty]: Start isEmpty. Operand 11104 states and 14302 transitions. [2019-10-03 01:53:03,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2019-10-03 01:53:03,424 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:53:03,424 INFO L411 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:53:03,425 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:53:03,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:53:03,426 INFO L82 PathProgramCache]: Analyzing trace with hash -115410082, now seen corresponding path program 1 times [2019-10-03 01:53:03,426 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:53:03,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:53:03,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:53:03,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:53:03,440 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:53:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:53:03,837 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2019-10-03 01:53:03,838 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:53:03,838 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:53:03,838 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:53:03,840 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:53:03,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:53:03,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:53:03,841 INFO L87 Difference]: Start difference. First operand 11104 states and 14302 transitions. Second operand 3 states. [2019-10-03 01:53:03,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:53:03,920 INFO L93 Difference]: Finished difference Result 11103 states and 14299 transitions. [2019-10-03 01:53:03,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:53:03,921 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 265 [2019-10-03 01:53:03,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:53:04,007 INFO L225 Difference]: With dead ends: 11103 [2019-10-03 01:53:04,007 INFO L226 Difference]: Without dead ends: 11103 [2019-10-03 01:53:04,008 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:53:04,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11103 states. [2019-10-03 01:53:04,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11103 to 11103. [2019-10-03 01:53:04,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11103 states. [2019-10-03 01:53:04,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11103 states to 11103 states and 14299 transitions. [2019-10-03 01:53:04,584 INFO L78 Accepts]: Start accepts. Automaton has 11103 states and 14299 transitions. Word has length 265 [2019-10-03 01:53:04,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:53:04,586 INFO L475 AbstractCegarLoop]: Abstraction has 11103 states and 14299 transitions. [2019-10-03 01:53:04,587 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:53:04,587 INFO L276 IsEmpty]: Start isEmpty. Operand 11103 states and 14299 transitions. [2019-10-03 01:53:04,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2019-10-03 01:53:04,591 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:53:04,591 INFO L411 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:53:04,591 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:53:04,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:53:04,592 INFO L82 PathProgramCache]: Analyzing trace with hash 716676038, now seen corresponding path program 1 times [2019-10-03 01:53:04,592 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:53:04,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:53:04,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:53:04,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:53:04,602 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:53:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:53:05,039 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2019-10-03 01:53:05,040 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:53:05,040 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:53:05,040 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:53:05,043 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:53:05,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:53:05,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:53:05,045 INFO L87 Difference]: Start difference. First operand 11103 states and 14299 transitions. Second operand 3 states. [2019-10-03 01:53:05,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:53:05,137 INFO L93 Difference]: Finished difference Result 11102 states and 14296 transitions. [2019-10-03 01:53:05,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:53:05,138 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 266 [2019-10-03 01:53:05,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:53:05,209 INFO L225 Difference]: With dead ends: 11102 [2019-10-03 01:53:05,209 INFO L226 Difference]: Without dead ends: 11031 [2019-10-03 01:53:05,210 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:53:05,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11031 states. [2019-10-03 01:53:05,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11031 to 11029. [2019-10-03 01:53:05,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11029 states. [2019-10-03 01:53:05,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11029 states to 11029 states and 14192 transitions. [2019-10-03 01:53:05,686 INFO L78 Accepts]: Start accepts. Automaton has 11029 states and 14192 transitions. Word has length 266 [2019-10-03 01:53:05,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:53:05,687 INFO L475 AbstractCegarLoop]: Abstraction has 11029 states and 14192 transitions. [2019-10-03 01:53:05,687 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:53:05,687 INFO L276 IsEmpty]: Start isEmpty. Operand 11029 states and 14192 transitions. [2019-10-03 01:53:05,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2019-10-03 01:53:05,693 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:53:05,693 INFO L411 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:53:05,694 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:53:05,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:53:05,694 INFO L82 PathProgramCache]: Analyzing trace with hash 234150807, now seen corresponding path program 1 times [2019-10-03 01:53:05,694 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:53:05,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:53:05,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:53:05,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:53:05,706 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:53:05,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:53:06,295 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2019-10-03 01:53:06,295 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:53:06,296 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:53:06,296 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:53:06,298 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:53:06,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:53:06,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:53:06,299 INFO L87 Difference]: Start difference. First operand 11029 states and 14192 transitions. Second operand 3 states. [2019-10-03 01:53:08,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:53:08,488 INFO L93 Difference]: Finished difference Result 10725 states and 13509 transitions. [2019-10-03 01:53:08,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:53:08,489 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 283 [2019-10-03 01:53:08,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:53:08,537 INFO L225 Difference]: With dead ends: 10725 [2019-10-03 01:53:08,538 INFO L226 Difference]: Without dead ends: 10636 [2019-10-03 01:53:08,538 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:53:08,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10636 states. [2019-10-03 01:53:08,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10636 to 10284. [2019-10-03 01:53:08,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10284 states. [2019-10-03 01:53:08,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10284 states to 10284 states and 13038 transitions. [2019-10-03 01:53:08,827 INFO L78 Accepts]: Start accepts. Automaton has 10284 states and 13038 transitions. Word has length 283 [2019-10-03 01:53:08,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:53:08,828 INFO L475 AbstractCegarLoop]: Abstraction has 10284 states and 13038 transitions. [2019-10-03 01:53:08,828 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:53:08,828 INFO L276 IsEmpty]: Start isEmpty. Operand 10284 states and 13038 transitions. [2019-10-03 01:53:08,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2019-10-03 01:53:08,835 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:53:08,835 INFO L411 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:53:08,836 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:53:08,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:53:08,836 INFO L82 PathProgramCache]: Analyzing trace with hash 4739463, now seen corresponding path program 1 times [2019-10-03 01:53:08,836 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:53:08,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:53:08,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:53:08,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:53:08,849 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:53:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:53:09,194 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2019-10-03 01:53:09,195 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:53:09,195 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:53:09,195 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:53:09,196 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:53:09,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:53:09,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:53:09,197 INFO L87 Difference]: Start difference. First operand 10284 states and 13038 transitions. Second operand 3 states. [2019-10-03 01:53:11,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:53:11,432 INFO L93 Difference]: Finished difference Result 16154 states and 20672 transitions. [2019-10-03 01:53:11,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:53:11,433 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 311 [2019-10-03 01:53:11,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:53:11,510 INFO L225 Difference]: With dead ends: 16154 [2019-10-03 01:53:11,510 INFO L226 Difference]: Without dead ends: 16154 [2019-10-03 01:53:11,511 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:53:11,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16154 states. [2019-10-03 01:53:11,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16154 to 16047. [2019-10-03 01:53:11,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16047 states. [2019-10-03 01:53:12,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16047 states to 16047 states and 20559 transitions. [2019-10-03 01:53:12,063 INFO L78 Accepts]: Start accepts. Automaton has 16047 states and 20559 transitions. Word has length 311 [2019-10-03 01:53:12,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:53:12,064 INFO L475 AbstractCegarLoop]: Abstraction has 16047 states and 20559 transitions. [2019-10-03 01:53:12,064 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:53:12,064 INFO L276 IsEmpty]: Start isEmpty. Operand 16047 states and 20559 transitions. [2019-10-03 01:53:12,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2019-10-03 01:53:12,077 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:53:12,078 INFO L411 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:53:12,078 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:53:12,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:53:12,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1412202607, now seen corresponding path program 1 times [2019-10-03 01:53:12,079 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:53:12,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:53:12,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:53:12,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:53:12,091 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:53:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:53:12,424 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2019-10-03 01:53:12,425 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:53:12,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:53:12,425 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:53:12,426 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:53:12,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:53:12,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:53:12,427 INFO L87 Difference]: Start difference. First operand 16047 states and 20559 transitions. Second operand 3 states. [2019-10-03 01:53:14,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:53:14,689 INFO L93 Difference]: Finished difference Result 21953 states and 28234 transitions. [2019-10-03 01:53:14,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:53:14,690 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 325 [2019-10-03 01:53:14,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:53:14,773 INFO L225 Difference]: With dead ends: 21953 [2019-10-03 01:53:14,773 INFO L226 Difference]: Without dead ends: 21953 [2019-10-03 01:53:14,774 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:53:14,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21953 states. [2019-10-03 01:53:15,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21953 to 21846. [2019-10-03 01:53:15,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21846 states. [2019-10-03 01:53:15,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21846 states to 21846 states and 28121 transitions. [2019-10-03 01:53:15,218 INFO L78 Accepts]: Start accepts. Automaton has 21846 states and 28121 transitions. Word has length 325 [2019-10-03 01:53:15,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:53:15,219 INFO L475 AbstractCegarLoop]: Abstraction has 21846 states and 28121 transitions. [2019-10-03 01:53:15,219 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:53:15,219 INFO L276 IsEmpty]: Start isEmpty. Operand 21846 states and 28121 transitions. [2019-10-03 01:53:15,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2019-10-03 01:53:15,239 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:53:15,239 INFO L411 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:53:15,240 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:53:15,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:53:15,240 INFO L82 PathProgramCache]: Analyzing trace with hash 2102915533, now seen corresponding path program 1 times [2019-10-03 01:53:15,240 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:53:15,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:53:15,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:53:15,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:53:15,250 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:53:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:53:15,902 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 729 trivial. 0 not checked. [2019-10-03 01:53:15,902 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:53:15,903 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 01:53:15,903 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:53:15,904 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 01:53:15,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 01:53:15,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 01:53:15,904 INFO L87 Difference]: Start difference. First operand 21846 states and 28121 transitions. Second operand 5 states. [2019-10-03 01:53:16,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:53:16,112 INFO L93 Difference]: Finished difference Result 21880 states and 28160 transitions. [2019-10-03 01:53:16,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 01:53:16,112 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 381 [2019-10-03 01:53:16,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:53:16,191 INFO L225 Difference]: With dead ends: 21880 [2019-10-03 01:53:16,191 INFO L226 Difference]: Without dead ends: 21880 [2019-10-03 01:53:16,193 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-03 01:53:16,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21880 states. [2019-10-03 01:53:16,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21880 to 21866. [2019-10-03 01:53:16,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21866 states. [2019-10-03 01:53:16,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21866 states to 21866 states and 28147 transitions. [2019-10-03 01:53:16,646 INFO L78 Accepts]: Start accepts. Automaton has 21866 states and 28147 transitions. Word has length 381 [2019-10-03 01:53:16,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:53:16,647 INFO L475 AbstractCegarLoop]: Abstraction has 21866 states and 28147 transitions. [2019-10-03 01:53:16,647 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 01:53:16,647 INFO L276 IsEmpty]: Start isEmpty. Operand 21866 states and 28147 transitions. [2019-10-03 01:53:16,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2019-10-03 01:53:16,669 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:53:16,669 INFO L411 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:53:16,670 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:53:16,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:53:16,670 INFO L82 PathProgramCache]: Analyzing trace with hash -85990498, now seen corresponding path program 1 times [2019-10-03 01:53:16,670 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:53:16,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:53:16,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:53:16,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:53:16,682 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:53:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:53:17,403 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2019-10-03 01:53:17,403 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 01:53:17,404 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 01:53:17,406 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 377 with the following transitions: [2019-10-03 01:53:17,415 INFO L207 CegarAbsIntRunner]: [31], [33], [37], [40], [65], [71], [72], [73], [75], [78], [167], [168], [332], [333], [519], [526], [528], [530], [536], [625], [631], [632], [719], [720], [863], [865], [866], [1032], [1033], [1049], [1050], [1106], [1107], [1333], [1346], [1348], [1351], [1355], [1356], [1400], [1402], [1496], [1652], [1653], [1798], [1800], [1801], [1817], [1818], [1833], [1835], [1837], [1840], [1842], [1854], [1859], [1861], [1862], [1962], [1963], [1964], [1966], [1968], [1970], [1972], [1974], [1976], [1978], [1980], [1983], [1985], [1987], [1989], [1991], [1993], [1995], [1997], [1999], [2001], [2004], [2007], [2010], [2013], [2026], [2055], [2068], [2081], [2084], [2087], [2089], [2108], [2111], [2114], [2126], [2129], [2132], [2134], [2137], [2146], [2534], [2536], [2537], [2656], [2725], [2728], [2731], [2734], [2737], [2739], [2745], [2747], [2748], [2821], [2823], [2825], [2826], [2902], [2904], [2905], [2926], [2927], [2928], [2938], [2939], [2978], [2979], [3098], [3099], [3100], [3101], [3104], [3144], [3145], [3278], [3279], [3292], [3293], [3294], [3370], [3371], [3384], [3385], [3386], [3387], [3388], [3389], [3398], [3399], [3424], [3425], [3426], [3427], [3428], [3429], [3430], [3431], [3432], [3433], [3434], [3435], [3436], [3437], [3438], [3439], [3440], [3441], [3442], [3443], [3444], [3445], [3446], [3447], [3448], [3449], [3450], [3451], [3452], [3453], [3454], [3455], [3456], [3457], [3458], [3459], [3460], [3472], [3473], [3478], [3479], [3480], [3481], [3554], [3555], [3578], [3612], [3614], [3615], [3618], [3619], [3644], [3645], [3646], [3647], [3662], [3663], [3664], [3672], [3673] [2019-10-03 01:53:18,534 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 01:53:18,535 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 01:53:18,644 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 01:53:18,646 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 106 root evaluator evaluations with a maximum evaluation depth of 0. Performed 106 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 226 variables. [2019-10-03 01:53:18,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:53:18,650 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 01:53:18,827 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 01:53:18,828 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 01:53:18,836 INFO L420 sIntCurrentIteration]: We unified 375 AI predicates to 375 [2019-10-03 01:53:18,837 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 01:53:18,837 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 01:53:18,838 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 6 [2019-10-03 01:53:18,838 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:53:18,839 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 01:53:18,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 01:53:18,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 01:53:18,839 INFO L87 Difference]: Start difference. First operand 21866 states and 28147 transitions. Second operand 2 states. [2019-10-03 01:53:18,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:53:18,840 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 01:53:18,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 01:53:18,840 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 376 [2019-10-03 01:53:18,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:53:18,841 INFO L225 Difference]: With dead ends: 2 [2019-10-03 01:53:18,841 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 01:53:18,841 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 375 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 01:53:18,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 01:53:18,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 01:53:18,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 01:53:18,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 01:53:18,842 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 376 [2019-10-03 01:53:18,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:53:18,842 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 01:53:18,842 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 01:53:18,843 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 01:53:18,843 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 01:53:18,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 01:53:18 BoogieIcfgContainer [2019-10-03 01:53:18,849 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 01:53:18,852 INFO L168 Benchmark]: Toolchain (without parser) took 43136.03 ms. Allocated memory was 138.9 MB in the beginning and 954.2 MB in the end (delta: 815.3 MB). Free memory was 78.6 MB in the beginning and 784.5 MB in the end (delta: -705.9 MB). Peak memory consumption was 109.4 MB. Max. memory is 7.1 GB. [2019-10-03 01:53:18,853 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 138.9 MB. Free memory is still 104.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 01:53:18,854 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3363.93 ms. Allocated memory was 138.9 MB in the beginning and 274.2 MB in the end (delta: 135.3 MB). Free memory was 78.6 MB in the beginning and 181.6 MB in the end (delta: -103.0 MB). Peak memory consumption was 110.2 MB. Max. memory is 7.1 GB. [2019-10-03 01:53:18,855 INFO L168 Benchmark]: Boogie Preprocessor took 434.30 ms. Allocated memory is still 274.2 MB. Free memory was 181.6 MB in the beginning and 157.9 MB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2019-10-03 01:53:18,861 INFO L168 Benchmark]: RCFGBuilder took 7344.72 ms. Allocated memory was 274.2 MB in the beginning and 364.9 MB in the end (delta: 90.7 MB). Free memory was 157.9 MB in the beginning and 246.4 MB in the end (delta: -88.5 MB). Peak memory consumption was 180.6 MB. Max. memory is 7.1 GB. [2019-10-03 01:53:18,862 INFO L168 Benchmark]: TraceAbstraction took 31987.74 ms. Allocated memory was 364.9 MB in the beginning and 954.2 MB in the end (delta: 589.3 MB). Free memory was 246.4 MB in the beginning and 784.5 MB in the end (delta: -538.1 MB). Peak memory consumption was 51.2 MB. Max. memory is 7.1 GB. [2019-10-03 01:53:18,871 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 138.9 MB. Free memory is still 104.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3363.93 ms. Allocated memory was 138.9 MB in the beginning and 274.2 MB in the end (delta: 135.3 MB). Free memory was 78.6 MB in the beginning and 181.6 MB in the end (delta: -103.0 MB). Peak memory consumption was 110.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 434.30 ms. Allocated memory is still 274.2 MB. Free memory was 181.6 MB in the beginning and 157.9 MB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7344.72 ms. Allocated memory was 274.2 MB in the beginning and 364.9 MB in the end (delta: 90.7 MB). Free memory was 157.9 MB in the beginning and 246.4 MB in the end (delta: -88.5 MB). Peak memory consumption was 180.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 31987.74 ms. Allocated memory was 364.9 MB in the beginning and 954.2 MB in the end (delta: 589.3 MB). Free memory was 246.4 MB in the beginning and 784.5 MB in the end (delta: -538.1 MB). Peak memory consumption was 51.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5724]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 231 procedures, 1683 locations, 1 error locations. SAFE Result, 31.9s OverallTime, 12 OverallIterations, 10 TraceHistogramMax, 19.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 23783 SDtfs, 18333 SDslu, 13897 SDs, 0 SdLazy, 1964 SolverSat, 1353 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 15.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 425 GetRequests, 408 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21866occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.3973333333333335 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 4.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 1375 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 3441 NumberOfCodeBlocks, 3441 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 3429 ConstructedInterpolants, 0 QuantifiedInterpolants, 1183725 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 7336/7350 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...