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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 23:39:47,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 23:39:47,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 23:39:47,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 23:39:47,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 23:39:47,319 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 23:39:47,321 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 23:39:47,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 23:39:47,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 23:39:47,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 23:39:47,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 23:39:47,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 23:39:47,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 23:39:47,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 23:39:47,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 23:39:47,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 23:39:47,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 23:39:47,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 23:39:47,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 23:39:47,376 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 23:39:47,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 23:39:47,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 23:39:47,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 23:39:47,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 23:39:47,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 23:39:47,393 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 23:39:47,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 23:39:47,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 23:39:47,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 23:39:47,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 23:39:47,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 23:39:47,406 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 23:39:47,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 23:39:47,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 23:39:47,414 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 23:39:47,414 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 23:39:47,415 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 23:39:47,415 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 23:39:47,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 23:39:47,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 23:39:47,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 23:39:47,420 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 [2019-10-02 23:39:47,443 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 23:39:47,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 23:39:47,444 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-02 23:39:47,445 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-02 23:39:47,446 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-02 23:39:47,446 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-02 23:39:47,446 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-02 23:39:47,447 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-02 23:39:47,447 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-02 23:39:47,447 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-02 23:39:47,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 23:39:47,449 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 23:39:47,449 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 23:39:47,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 23:39:47,449 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 23:39:47,450 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 23:39:47,450 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 23:39:47,450 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 23:39:47,450 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 23:39:47,451 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 23:39:47,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 23:39:47,451 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-02 23:39:47,452 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 23:39:47,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 23:39:47,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 23:39:47,452 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 23:39:47,453 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-02 23:39:47,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 23:39:47,453 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 23:39:47,453 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-02 23:39:47,490 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 23:39:47,508 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 23:39:47,513 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 23:39:47,515 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 23:39:47,516 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 23:39:47,517 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i [2019-10-02 23:39:47,604 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e34a3df04/43e99720d1534da8a7521f068b2a63e7/FLAG3a110c8c9 [2019-10-02 23:39:48,514 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 23:39:48,517 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i [2019-10-02 23:39:48,563 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e34a3df04/43e99720d1534da8a7521f068b2a63e7/FLAG3a110c8c9 [2019-10-02 23:39:49,005 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e34a3df04/43e99720d1534da8a7521f068b2a63e7 [2019-10-02 23:39:49,019 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 23:39:49,021 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 23:39:49,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 23:39:49,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 23:39:49,027 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 23:39:49,028 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 11:39:49" (1/1) ... [2019-10-02 23:39:49,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@255f04f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:39:49, skipping insertion in model container [2019-10-02 23:39:49,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 11:39:49" (1/1) ... [2019-10-02 23:39:49,043 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 23:39:49,169 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 23:39:50,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 23:39:50,617 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 23:39:50,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 23:39:51,131 INFO L192 MainTranslator]: Completed translation [2019-10-02 23:39:51,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:39:51 WrapperNode [2019-10-02 23:39:51,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 23:39:51,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 23:39:51,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 23:39:51,136 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 23:39:51,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:39:51" (1/1) ... [2019-10-02 23:39:51,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:39:51" (1/1) ... [2019-10-02 23:39:51,252 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:39:51" (1/1) ... [2019-10-02 23:39:51,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:39:51" (1/1) ... [2019-10-02 23:39:51,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:39:51" (1/1) ... [2019-10-02 23:39:51,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:39:51" (1/1) ... [2019-10-02 23:39:51,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:39:51" (1/1) ... [2019-10-02 23:39:51,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 23:39:51,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 23:39:51,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 23:39:51,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 23:39:51,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:39:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 23:39:51,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 23:39:51,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 23:39:51,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-02 23:39:51,551 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-10-02 23:39:51,552 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2019-10-02 23:39:51,552 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2019-10-02 23:39:51,552 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2019-10-02 23:39:51,552 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-02 23:39:51,553 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-02 23:39:51,553 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-10-02 23:39:51,553 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2019-10-02 23:39:51,553 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-10-02 23:39:51,554 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-10-02 23:39:51,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-02 23:39:51,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-02 23:39:51,554 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-02 23:39:51,555 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-02 23:39:51,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-02 23:39:51,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-02 23:39:51,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-02 23:39:51,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-02 23:39:51,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-02 23:39:51,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-02 23:39:51,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-02 23:39:51,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-02 23:39:51,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-02 23:39:51,557 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_create_image [2019-10-02 23:39:51,557 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_suspend [2019-10-02 23:39:51,557 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_resume [2019-10-02 23:39:51,557 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_delete [2019-10-02 23:39:51,557 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_open [2019-10-02 23:39:51,558 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_release [2019-10-02 23:39:51,558 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_read [2019-10-02 23:39:51,558 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_probe [2019-10-02 23:39:51,558 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_disconnect [2019-10-02 23:39:51,558 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_driver_init [2019-10-02 23:39:51,558 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_driver_exit [2019-10-02 23:39:51,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-10-02 23:39:51,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2019-10-02 23:39:51,559 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 23:39:51,559 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-02 23:39:51,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_2 [2019-10-02 23:39:51,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_3 [2019-10-02 23:39:51,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_4 [2019-10-02 23:39:51,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_5 [2019-10-02 23:39:51,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_9 [2019-10-02 23:39:51,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_10 [2019-10-02 23:39:51,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-10-02 23:39:51,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2019-10-02 23:39:51,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2019-10-02 23:39:51,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2019-10-02 23:39:51,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2019-10-02 23:39:51,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2019-10-02 23:39:51,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2019-10-02 23:39:51,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2019-10-02 23:39:51,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2019-10-02 23:39:51,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2019-10-02 23:39:51,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2019-10-02 23:39:51,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2019-10-02 23:39:51,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2019-10-02 23:39:51,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2019-10-02 23:39:51,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2019-10-02 23:39:51,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2019-10-02 23:39:51,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-02 23:39:51,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-02 23:39:51,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-02 23:39:51,564 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-02 23:39:51,564 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2019-10-02 23:39:51,565 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-02 23:39:51,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-02 23:39:51,565 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-02 23:39:51,565 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-02 23:39:51,565 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2019-10-02 23:39:51,566 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2019-10-02 23:39:51,566 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-02 23:39:51,566 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-02 23:39:51,566 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2019-10-02 23:39:51,566 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_find_interface [2019-10-02 23:39:51,566 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2019-10-02 23:39:51,567 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-02 23:39:51,567 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-02 23:39:51,567 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-02 23:39:51,567 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-02 23:39:51,568 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-02 23:39:51,568 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-02 23:39:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 23:39:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-02 23:39:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-02 23:39:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-02 23:39:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-10-02 23:39:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 23:39:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2019-10-02 23:39:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2019-10-02 23:39:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2019-10-02 23:39:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-02 23:39:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-02 23:39:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-02 23:39:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-02 23:39:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-10-02 23:39:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-02 23:39:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-02 23:39:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-02 23:39:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-02 23:39:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-02 23:39:51,572 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2019-10-02 23:39:51,572 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2019-10-02 23:39:51,572 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2019-10-02 23:39:51,572 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-10-02 23:39:51,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 23:39:51,572 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-10-02 23:39:51,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_2 [2019-10-02 23:39:51,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_5 [2019-10-02 23:39:51,573 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-02 23:39:51,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_3 [2019-10-02 23:39:51,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_4 [2019-10-02 23:39:51,574 INFO L130 BoogieDeclarations]: Found specification of procedure usb_find_interface [2019-10-02 23:39:51,574 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-02 23:39:51,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_9 [2019-10-02 23:39:51,574 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-02 23:39:51,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_10 [2019-10-02 23:39:51,575 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2019-10-02 23:39:51,575 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2019-10-02 23:39:51,575 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-02 23:39:51,575 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2019-10-02 23:39:51,575 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-02 23:39:51,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2019-10-02 23:39:51,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2019-10-02 23:39:51,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2019-10-02 23:39:51,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2019-10-02 23:39:51,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2019-10-02 23:39:51,577 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-02 23:39:51,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-02 23:39:51,577 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-02 23:39:51,577 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-02 23:39:51,577 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-02 23:39:51,578 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 23:39:51,578 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-02 23:39:51,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 23:39:51,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2019-10-02 23:39:51,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_loff_t [2019-10-02 23:39:51,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-02 23:39:51,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-02 23:39:51,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-02 23:39:51,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 23:39:51,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-02 23:39:51,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-02 23:39:51,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-02 23:39:51,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-02 23:39:51,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-02 23:39:51,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-02 23:39:51,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-02 23:39:51,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-02 23:39:51,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-10-02 23:39:51,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2019-10-02 23:39:51,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 23:39:51,581 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_read [2019-10-02 23:39:51,581 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_open [2019-10-02 23:39:51,582 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_release [2019-10-02 23:39:51,582 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_probe [2019-10-02 23:39:51,582 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_disconnect [2019-10-02 23:39:51,582 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_suspend [2019-10-02 23:39:51,582 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_resume [2019-10-02 23:39:51,583 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_create_image [2019-10-02 23:39:51,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-02 23:39:51,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 23:39:51,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 23:39:51,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 23:39:51,584 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_delete [2019-10-02 23:39:51,584 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_driver_init [2019-10-02 23:39:51,584 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_driver_exit [2019-10-02 23:39:51,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-02 23:39:51,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-02 23:39:51,585 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 23:39:51,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-02 23:39:51,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-10-02 23:39:51,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2019-10-02 23:39:51,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2019-10-02 23:39:51,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2019-10-02 23:39:51,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2019-10-02 23:39:51,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2019-10-02 23:39:51,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2019-10-02 23:39:51,586 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-02 23:39:51,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2019-10-02 23:39:51,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2019-10-02 23:39:51,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2019-10-02 23:39:51,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2019-10-02 23:39:51,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-02 23:39:51,588 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-02 23:39:51,588 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 23:39:51,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 23:39:51,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 23:39:51,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-02 23:39:51,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 23:39:51,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-02 23:39:51,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-02 23:39:51,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-02 23:39:51,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-02 23:39:52,285 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-02 23:39:53,096 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-10-02 23:39:54,160 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 23:39:54,161 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-02 23:39:54,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 11:39:54 BoogieIcfgContainer [2019-10-02 23:39:54,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 23:39:54,170 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 23:39:54,170 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 23:39:54,176 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 23:39:54,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 11:39:49" (1/3) ... [2019-10-02 23:39:54,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7319d3c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 11:39:54, skipping insertion in model container [2019-10-02 23:39:54,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:39:51" (2/3) ... [2019-10-02 23:39:54,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7319d3c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 11:39:54, skipping insertion in model container [2019-10-02 23:39:54,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 11:39:54" (3/3) ... [2019-10-02 23:39:54,189 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i [2019-10-02 23:39:54,203 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 23:39:54,219 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 23:39:54,247 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 23:39:54,296 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 23:39:54,296 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-02 23:39:54,297 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 23:39:54,297 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 23:39:54,297 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 23:39:54,297 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 23:39:54,298 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 23:39:54,299 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 23:39:54,352 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states. [2019-10-02 23:39:54,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-02 23:39:54,383 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:39:54,385 INFO L411 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, 1, 1, 1, 1] [2019-10-02 23:39:54,390 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:39:54,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:39:54,399 INFO L82 PathProgramCache]: Analyzing trace with hash 1281763578, now seen corresponding path program 1 times [2019-10-02 23:39:54,402 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:39:54,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:39:54,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:39:54,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:39:54,540 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:39:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:39:55,287 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-02 23:39:55,290 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:39:55,290 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:39:55,291 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:39:55,298 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:39:55,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:39:55,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:39:55,322 INFO L87 Difference]: Start difference. First operand 573 states. Second operand 3 states. [2019-10-02 23:39:55,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:39:55,558 INFO L93 Difference]: Finished difference Result 973 states and 1244 transitions. [2019-10-02 23:39:55,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:39:55,562 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2019-10-02 23:39:55,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:39:55,598 INFO L225 Difference]: With dead ends: 973 [2019-10-02 23:39:55,599 INFO L226 Difference]: Without dead ends: 950 [2019-10-02 23:39:55,601 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 [2019-10-02 23:39:55,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2019-10-02 23:39:55,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 947. [2019-10-02 23:39:55,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 947 states. [2019-10-02 23:39:55,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1207 transitions. [2019-10-02 23:39:55,777 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1207 transitions. Word has length 56 [2019-10-02 23:39:55,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:39:55,778 INFO L475 AbstractCegarLoop]: Abstraction has 947 states and 1207 transitions. [2019-10-02 23:39:55,779 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:39:55,779 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1207 transitions. [2019-10-02 23:39:55,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-10-02 23:39:55,785 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:39:55,786 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:39:55,786 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:39:55,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:39:55,787 INFO L82 PathProgramCache]: Analyzing trace with hash 355967151, now seen corresponding path program 1 times [2019-10-02 23:39:55,787 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:39:55,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:39:55,799 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:39:55,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:39:55,799 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:39:55,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:39:56,134 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-02 23:39:56,134 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:39:56,135 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-02 23:39:56,135 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:39:56,137 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-02 23:39:56,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-02 23:39:56,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-02 23:39:56,139 INFO L87 Difference]: Start difference. First operand 947 states and 1207 transitions. Second operand 4 states. [2019-10-02 23:39:56,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:39:56,264 INFO L93 Difference]: Finished difference Result 950 states and 1210 transitions. [2019-10-02 23:39:56,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-02 23:39:56,265 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 72 [2019-10-02 23:39:56,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:39:56,273 INFO L225 Difference]: With dead ends: 950 [2019-10-02 23:39:56,274 INFO L226 Difference]: Without dead ends: 948 [2019-10-02 23:39:56,275 INFO L640 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 [2019-10-02 23:39:56,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2019-10-02 23:39:56,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 948. [2019-10-02 23:39:56,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 948 states. [2019-10-02 23:39:56,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1208 transitions. [2019-10-02 23:39:56,353 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1208 transitions. Word has length 72 [2019-10-02 23:39:56,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:39:56,354 INFO L475 AbstractCegarLoop]: Abstraction has 948 states and 1208 transitions. [2019-10-02 23:39:56,354 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-02 23:39:56,354 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1208 transitions. [2019-10-02 23:39:56,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-10-02 23:39:56,361 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:39:56,362 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:39:56,363 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:39:56,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:39:56,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1902997324, now seen corresponding path program 1 times [2019-10-02 23:39:56,364 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:39:56,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:39:56,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:39:56,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:39:56,387 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:39:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:39:56,693 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-02 23:39:56,694 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 23:39:56,694 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-02 23:39:56,697 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 74 with the following transitions: [2019-10-02 23:39:56,700 INFO L207 CegarAbsIntRunner]: [23], [172], [174], [175], [200], [215], [219], [221], [222], [223], [225], [227], [228], [229], [230], [464], [466], [468], [470], [473], [475], [592], [595], [598], [610], [613], [616], [618], [624], [628], [765], [766], [960], [962], [963], [1001], [1033], [1036], [1040], [1080], [1081], [1088], [1089], [1090], [1091], [1168], [1169], [1170], [1171], [1172], [1173], [1174], [1175], [1176], [1177], [1194], [1195], [1212], [1304], [1305], [1314], [1326], [1327], [1328] [2019-10-02 23:39:56,762 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-02 23:39:56,762 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-02 23:39:56,909 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-02 23:39:56,913 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 119 root evaluator evaluations with a maximum evaluation depth of 0. Performed 119 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 224 variables. [2019-10-02 23:39:56,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:39:56,919 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-02 23:39:57,017 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-02 23:39:57,018 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-02 23:39:57,027 INFO L420 sIntCurrentIteration]: We unified 72 AI predicates to 72 [2019-10-02 23:39:57,027 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-02 23:39:57,028 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 23:39:57,029 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2019-10-02 23:39:57,029 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:39:57,030 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-02 23:39:57,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-02 23:39:57,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-02 23:39:57,031 INFO L87 Difference]: Start difference. First operand 948 states and 1208 transitions. Second operand 2 states. [2019-10-02 23:39:57,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:39:57,032 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-02 23:39:57,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-02 23:39:57,032 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 73 [2019-10-02 23:39:57,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:39:57,032 INFO L225 Difference]: With dead ends: 2 [2019-10-02 23:39:57,032 INFO L226 Difference]: Without dead ends: 0 [2019-10-02 23:39:57,034 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-02 23:39:57,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-02 23:39:57,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-02 23:39:57,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-02 23:39:57,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-02 23:39:57,036 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2019-10-02 23:39:57,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:39:57,038 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-02 23:39:57,038 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-02 23:39:57,038 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-02 23:39:57,038 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-02 23:39:57,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 11:39:57 BoogieIcfgContainer [2019-10-02 23:39:57,046 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-02 23:39:57,049 INFO L168 Benchmark]: Toolchain (without parser) took 8027.29 ms. Allocated memory was 132.1 MB in the beginning and 278.4 MB in the end (delta: 146.3 MB). Free memory was 82.2 MB in the beginning and 80.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 147.7 MB. Max. memory is 7.1 GB. [2019-10-02 23:39:57,050 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-02 23:39:57,052 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2112.08 ms. Allocated memory was 132.1 MB in the beginning and 211.3 MB in the end (delta: 79.2 MB). Free memory was 81.8 MB in the beginning and 119.3 MB in the end (delta: -37.5 MB). Peak memory consumption was 48.9 MB. Max. memory is 7.1 GB. [2019-10-02 23:39:57,053 INFO L168 Benchmark]: Boogie Preprocessor took 309.47 ms. Allocated memory is still 211.3 MB. Free memory was 119.3 MB in the beginning and 109.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-10-02 23:39:57,054 INFO L168 Benchmark]: RCFGBuilder took 2719.73 ms. Allocated memory was 211.3 MB in the beginning and 274.2 MB in the end (delta: 62.9 MB). Free memory was 109.8 MB in the beginning and 79.3 MB in the end (delta: 30.5 MB). Peak memory consumption was 93.4 MB. Max. memory is 7.1 GB. [2019-10-02 23:39:57,055 INFO L168 Benchmark]: TraceAbstraction took 2875.85 ms. Allocated memory was 274.2 MB in the beginning and 278.4 MB in the end (delta: 4.2 MB). Free memory was 79.3 MB in the beginning and 80.8 MB in the end (delta: -1.5 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-10-02 23:39:57,060 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 132.1 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2112.08 ms. Allocated memory was 132.1 MB in the beginning and 211.3 MB in the end (delta: 79.2 MB). Free memory was 81.8 MB in the beginning and 119.3 MB in the end (delta: -37.5 MB). Peak memory consumption was 48.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 309.47 ms. Allocated memory is still 211.3 MB. Free memory was 119.3 MB in the beginning and 109.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2719.73 ms. Allocated memory was 211.3 MB in the beginning and 274.2 MB in the end (delta: 62.9 MB). Free memory was 109.8 MB in the beginning and 79.3 MB in the end (delta: 30.5 MB). Peak memory consumption was 93.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2875.85 ms. Allocated memory was 274.2 MB in the beginning and 278.4 MB in the end (delta: 4.2 MB). Free memory was 79.3 MB in the beginning and 80.8 MB in the end (delta: -1.5 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3614]: 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 85 procedures, 620 locations, 1 error locations. SAFE Result, 2.7s OverallTime, 3 OverallIterations, 4 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1424 SDtfs, 593 SDslu, 1930 SDs, 0 SdLazy, 19 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 80 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=948occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 3.3472222222222223 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 201 NumberOfCodeBlocks, 201 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 15558 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 60/61 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...