java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 22:09:06,082 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:09:06,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:09:06,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:09:06,104 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:09:06,106 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:09:06,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:09:06,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:09:06,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:09:06,124 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:09:06,125 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:09:06,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:09:06,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:09:06,129 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:09:06,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:09:06,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:09:06,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:09:06,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:09:06,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:09:06,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:09:06,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:09:06,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:09:06,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:09:06,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:09:06,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 22:09:06,152 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 22:09:06,152 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 22:09:06,153 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 22:09:06,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 22:09:06,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 22:09:06,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 22:09:06,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 22:09:06,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 22:09:06,159 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 22:09:06,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 22:09:06,161 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 22:09:06,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 22:09:06,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 22:09:06,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:09:06,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:09:06,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:09:06,164 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 22:09:06,195 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:09:06,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:09:06,201 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:09:06,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:09:06,202 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:09:06,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:09:06,202 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:09:06,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:09:06,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:09:06,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:09:06,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:09:06,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:09:06,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:09:06,204 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:09:06,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:09:06,204 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:09:06,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:09:06,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:09:06,205 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:09:06,205 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:09:06,205 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:09:06,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:09:06,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:09:06,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:09:06,206 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:09:06,206 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:09:06,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:09:06,206 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:09:06,207 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 22:09:06,488 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:09:06,501 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:09:06,504 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:09:06,506 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:09:06,506 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:09:06,507 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i [2019-10-13 22:09:06,581 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ab8e96c8/be627ba9b2f04b479c9ee55d3402fc91/FLAG1bebb7422 [2019-10-13 22:09:07,227 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:09:07,228 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i [2019-10-13 22:09:07,263 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ab8e96c8/be627ba9b2f04b479c9ee55d3402fc91/FLAG1bebb7422 [2019-10-13 22:09:07,407 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ab8e96c8/be627ba9b2f04b479c9ee55d3402fc91 [2019-10-13 22:09:07,416 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:09:07,417 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:09:07,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:09:07,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:09:07,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:09:07,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:09:07" (1/1) ... [2019-10-13 22:09:07,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@663b110d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:09:07, skipping insertion in model container [2019-10-13 22:09:07,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:09:07" (1/1) ... [2019-10-13 22:09:07,433 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:09:07,519 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:09:08,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:09:08,643 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:09:08,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:09:09,033 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:09:09,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:09:09 WrapperNode [2019-10-13 22:09:09,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:09:09,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:09:09,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:09:09,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:09:09,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:09:09" (1/1) ... [2019-10-13 22:09:09,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:09:09" (1/1) ... [2019-10-13 22:09:09,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:09:09" (1/1) ... [2019-10-13 22:09:09,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:09:09" (1/1) ... [2019-10-13 22:09:09,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:09:09" (1/1) ... [2019-10-13 22:09:09,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:09:09" (1/1) ... [2019-10-13 22:09:09,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:09:09" (1/1) ... [2019-10-13 22:09:09,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:09:09,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:09:09,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:09:09,328 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:09:09,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:09:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:09:09,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:09:09,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:09:09,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 22:09:09,445 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-10-13 22:09:09,445 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2019-10-13 22:09:09,447 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2019-10-13 22:09:09,447 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2019-10-13 22:09:09,448 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-13 22:09:09,448 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-13 22:09:09,448 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-10-13 22:09:09,449 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2019-10-13 22:09:09,450 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-10-13 22:09:09,450 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-10-13 22:09:09,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-13 22:09:09,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 22:09:09,451 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 22:09:09,454 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 22:09:09,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 22:09:09,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 22:09:09,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 22:09:09,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 22:09:09,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 22:09:09,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 22:09:09,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 22:09:09,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 22:09:09,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 22:09:09,458 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_create_image [2019-10-13 22:09:09,458 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_suspend [2019-10-13 22:09:09,458 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_resume [2019-10-13 22:09:09,458 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_delete [2019-10-13 22:09:09,459 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_open [2019-10-13 22:09:09,459 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_release [2019-10-13 22:09:09,460 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_read [2019-10-13 22:09:09,460 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_probe [2019-10-13 22:09:09,460 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_disconnect [2019-10-13 22:09:09,461 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_driver_init [2019-10-13 22:09:09,461 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_driver_exit [2019-10-13 22:09:09,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-10-13 22:09:09,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2019-10-13 22:09:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:09:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-13 22:09:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_2 [2019-10-13 22:09:09,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_3 [2019-10-13 22:09:09,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_4 [2019-10-13 22:09:09,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_5 [2019-10-13 22:09:09,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_9 [2019-10-13 22:09:09,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_10 [2019-10-13 22:09:09,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-10-13 22:09:09,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2019-10-13 22:09:09,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2019-10-13 22:09:09,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2019-10-13 22:09:09,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2019-10-13 22:09:09,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2019-10-13 22:09:09,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2019-10-13 22:09:09,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2019-10-13 22:09:09,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2019-10-13 22:09:09,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2019-10-13 22:09:09,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2019-10-13 22:09:09,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2019-10-13 22:09:09,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2019-10-13 22:09:09,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2019-10-13 22:09:09,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2019-10-13 22:09:09,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2019-10-13 22:09:09,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 22:09:09,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-13 22:09:09,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-13 22:09:09,469 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-13 22:09:09,469 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2019-10-13 22:09:09,469 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-13 22:09:09,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 22:09:09,470 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-13 22:09:09,470 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 22:09:09,470 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2019-10-13 22:09:09,471 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2019-10-13 22:09:09,471 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-13 22:09:09,471 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-13 22:09:09,472 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2019-10-13 22:09:09,472 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_find_interface [2019-10-13 22:09:09,517 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2019-10-13 22:09:09,518 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-13 22:09:09,518 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 22:09:09,518 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 22:09:09,518 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 22:09:09,518 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 22:09:09,519 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 22:09:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:09:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 22:09:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 22:09:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 22:09:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-10-13 22:09:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 22:09:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2019-10-13 22:09:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2019-10-13 22:09:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2019-10-13 22:09:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-13 22:09:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-13 22:09:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-13 22:09:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-13 22:09:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-10-13 22:09:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-13 22:09:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-13 22:09:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 22:09:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-13 22:09:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-13 22:09:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2019-10-13 22:09:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2019-10-13 22:09:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2019-10-13 22:09:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-10-13 22:09:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 22:09:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-10-13 22:09:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_2 [2019-10-13 22:09:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_5 [2019-10-13 22:09:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-13 22:09:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_3 [2019-10-13 22:09:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_4 [2019-10-13 22:09:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure usb_find_interface [2019-10-13 22:09:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-13 22:09:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_9 [2019-10-13 22:09:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-13 22:09:09,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_10 [2019-10-13 22:09:09,527 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2019-10-13 22:09:09,528 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2019-10-13 22:09:09,528 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-13 22:09:09,528 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2019-10-13 22:09:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-13 22:09:09,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2019-10-13 22:09:09,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2019-10-13 22:09:09,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2019-10-13 22:09:09,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2019-10-13 22:09:09,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2019-10-13 22:09:09,530 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 22:09:09,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 22:09:09,531 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 22:09:09,532 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 22:09:09,536 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 22:09:09,536 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 22:09:09,536 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 22:09:09,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 22:09:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2019-10-13 22:09:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_loff_t [2019-10-13 22:09:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 22:09:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 22:09:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 22:09:09,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 22:09:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 22:09:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 22:09:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 22:09:09,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 22:09:09,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 22:09:09,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 22:09:09,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 22:09:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 22:09:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-10-13 22:09:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2019-10-13 22:09:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 22:09:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_read [2019-10-13 22:09:09,550 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_open [2019-10-13 22:09:09,550 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_release [2019-10-13 22:09:09,551 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_probe [2019-10-13 22:09:09,551 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_disconnect [2019-10-13 22:09:09,551 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_suspend [2019-10-13 22:09:09,552 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_resume [2019-10-13 22:09:09,552 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_create_image [2019-10-13 22:09:09,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 22:09:09,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 22:09:09,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 22:09:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 22:09:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_delete [2019-10-13 22:09:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_driver_init [2019-10-13 22:09:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_driver_exit [2019-10-13 22:09:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 22:09:09,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 22:09:09,554 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:09:09,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 22:09:09,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-10-13 22:09:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2019-10-13 22:09:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2019-10-13 22:09:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2019-10-13 22:09:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2019-10-13 22:09:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2019-10-13 22:09:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2019-10-13 22:09:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 22:09:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2019-10-13 22:09:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2019-10-13 22:09:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2019-10-13 22:09:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2019-10-13 22:09:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-13 22:09:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 22:09:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 22:09:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:09:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 22:09:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 22:09:09,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:09:09,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 22:09:09,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 22:09:09,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 22:09:09,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 22:09:10,347 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 22:09:11,036 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-10-13 22:09:12,452 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:09:12,453 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 22:09:12,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:09:12 BoogieIcfgContainer [2019-10-13 22:09:12,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:09:12,456 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:09:12,456 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:09:12,459 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:09:12,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:09:07" (1/3) ... [2019-10-13 22:09:12,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a54a615 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:09:12, skipping insertion in model container [2019-10-13 22:09:12,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:09:09" (2/3) ... [2019-10-13 22:09:12,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a54a615 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:09:12, skipping insertion in model container [2019-10-13 22:09:12,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:09:12" (3/3) ... [2019-10-13 22:09:12,462 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i [2019-10-13 22:09:12,472 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:09:12,481 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 22:09:12,492 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 22:09:12,521 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:09:12,521 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:09:12,521 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:09:12,521 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:09:12,521 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:09:12,522 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:09:12,522 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:09:12,522 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:09:12,550 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states. [2019-10-13 22:09:12,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 22:09:12,561 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:09:12,562 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:09:12,564 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:09:12,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:09:12,570 INFO L82 PathProgramCache]: Analyzing trace with hash 190529714, now seen corresponding path program 1 times [2019-10-13 22:09:12,579 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:09:12,579 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791886643] [2019-10-13 22:09:12,580 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:09:12,580 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:09:12,580 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:09:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:09:13,132 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 22:09:13,133 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791886643] [2019-10-13 22:09:13,134 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:09:13,134 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:09:13,134 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697084546] [2019-10-13 22:09:13,139 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:09:13,139 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:09:13,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:09:13,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:09:13,155 INFO L87 Difference]: Start difference. First operand 487 states. Second operand 3 states. [2019-10-13 22:09:13,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:09:13,396 INFO L93 Difference]: Finished difference Result 1268 states and 1655 transitions. [2019-10-13 22:09:13,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:09:13,398 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-10-13 22:09:13,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:09:13,420 INFO L225 Difference]: With dead ends: 1268 [2019-10-13 22:09:13,420 INFO L226 Difference]: Without dead ends: 811 [2019-10-13 22:09:13,428 INFO L600 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 [2019-10-13 22:09:13,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2019-10-13 22:09:13,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 808. [2019-10-13 22:09:13,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 808 states. [2019-10-13 22:09:13,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1036 transitions. [2019-10-13 22:09:13,576 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1036 transitions. Word has length 52 [2019-10-13 22:09:13,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:09:13,578 INFO L462 AbstractCegarLoop]: Abstraction has 808 states and 1036 transitions. [2019-10-13 22:09:13,582 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:09:13,582 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1036 transitions. [2019-10-13 22:09:13,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-13 22:09:13,597 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:09:13,598 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:09:13,598 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:09:13,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:09:13,598 INFO L82 PathProgramCache]: Analyzing trace with hash 1766450391, now seen corresponding path program 1 times [2019-10-13 22:09:13,599 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:09:13,599 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970361951] [2019-10-13 22:09:13,599 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:09:13,600 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:09:13,600 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:09:13,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:09:13,915 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-13 22:09:13,915 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970361951] [2019-10-13 22:09:13,916 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:09:13,916 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 22:09:13,916 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854146681] [2019-10-13 22:09:13,918 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 22:09:13,919 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:09:13,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 22:09:13,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 22:09:13,919 INFO L87 Difference]: Start difference. First operand 808 states and 1036 transitions. Second operand 4 states. [2019-10-13 22:09:14,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:09:14,042 INFO L93 Difference]: Finished difference Result 1600 states and 2053 transitions. [2019-10-13 22:09:14,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 22:09:14,043 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 66 [2019-10-13 22:09:14,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:09:14,048 INFO L225 Difference]: With dead ends: 1600 [2019-10-13 22:09:14,048 INFO L226 Difference]: Without dead ends: 809 [2019-10-13 22:09:14,051 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:09:14,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2019-10-13 22:09:14,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 809. [2019-10-13 22:09:14,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 809 states. [2019-10-13 22:09:14,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1037 transitions. [2019-10-13 22:09:14,090 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1037 transitions. Word has length 66 [2019-10-13 22:09:14,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:09:14,091 INFO L462 AbstractCegarLoop]: Abstraction has 809 states and 1037 transitions. [2019-10-13 22:09:14,091 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 22:09:14,091 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1037 transitions. [2019-10-13 22:09:14,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-13 22:09:14,096 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:09:14,096 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:09:14,097 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:09:14,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:09:14,097 INFO L82 PathProgramCache]: Analyzing trace with hash -568715554, now seen corresponding path program 1 times [2019-10-13 22:09:14,097 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:09:14,098 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439171420] [2019-10-13 22:09:14,098 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:09:14,098 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:09:14,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:09:14,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:09:14,306 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-13 22:09:14,307 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439171420] [2019-10-13 22:09:14,307 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1882696838] [2019-10-13 22:09:14,307 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:09:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:09:14,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 1517 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 22:09:14,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 22:09:14,985 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 22:09:14,985 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 22:09:15,215 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-13 22:09:15,216 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1098467641] [2019-10-13 22:09:15,248 INFO L162 IcfgInterpreter]: Started Sifa with 55 locations of interest [2019-10-13 22:09:15,249 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 22:09:15,255 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 22:09:15,263 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 22:09:15,264 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 22:09:23,392 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 1023 [2019-10-13 22:09:25,829 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 83 [2019-10-13 22:09:26,312 WARN L191 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 1020 [2019-10-13 22:09:26,633 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 1020 [2019-10-13 22:09:26,879 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 1020 [2019-10-13 22:09:27,470 WARN L191 SmtUtils]: Spent 534.00 ms on a formula simplification that was a NOOP. DAG size: 1164 [2019-10-13 22:09:27,964 WARN L191 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 1164 [2019-10-13 22:09:28,389 WARN L191 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 1164 [2019-10-13 22:09:28,888 WARN L191 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 1164 [2019-10-13 22:09:29,912 WARN L191 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 1166 DAG size of output: 1164 [2019-10-13 22:09:30,338 WARN L191 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 1164 [2019-10-13 22:09:30,811 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 1164 [2019-10-13 22:09:31,221 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 1164 [2019-10-13 22:09:31,622 WARN L191 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 1164 [2019-10-13 22:09:32,057 WARN L191 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 1164 [2019-10-13 22:09:32,083 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1194 for LOIs [2019-10-13 22:09:32,503 WARN L191 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 1194 [2019-10-13 22:09:32,911 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 1194 [2019-10-13 22:09:33,468 WARN L191 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 1254 [2019-10-13 22:09:33,969 WARN L191 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 1204 [2019-10-13 22:09:34,375 WARN L191 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 1204 [2019-10-13 22:09:34,940 WARN L191 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 1266 [2019-10-13 22:09:42,611 WARN L191 SmtUtils]: Spent 6.09 s on a formula simplification that was a NOOP. DAG size: 1077 [2019-10-13 22:09:43,882 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 2079