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 0.1.24-112bae1 [2019-09-10 10:55:52,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 10:55:52,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 10:55:52,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 10:55:52,262 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 10:55:52,263 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 10:55:52,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 10:55:52,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 10:55:52,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 10:55:52,268 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 10:55:52,269 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 10:55:52,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 10:55:52,270 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 10:55:52,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 10:55:52,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 10:55:52,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 10:55:52,274 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 10:55:52,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 10:55:52,277 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 10:55:52,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 10:55:52,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 10:55:52,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 10:55:52,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 10:55:52,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 10:55:52,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 10:55:52,285 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 10:55:52,286 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 10:55:52,286 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 10:55:52,287 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 10:55:52,288 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 10:55:52,288 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 10:55:52,289 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 10:55:52,289 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 10:55:52,290 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 10:55:52,291 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 10:55:52,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 10:55:52,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 10:55:52,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 10:55:52,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 10:55:52,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 10:55:52,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 10:55:52,295 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 [2019-09-10 10:55:52,310 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 10:55:52,310 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 10:55:52,311 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 10:55:52,311 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 10:55:52,312 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 10:55:52,312 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 10:55:52,312 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 10:55:52,312 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 10:55:52,313 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 10:55:52,313 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 10:55:52,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 10:55:52,314 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 10:55:52,314 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 10:55:52,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 10:55:52,315 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 10:55:52,315 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 10:55:52,315 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 10:55:52,315 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 10:55:52,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 10:55:52,316 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 10:55:52,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 10:55:52,316 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 10:55:52,316 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 10:55:52,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 10:55:52,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 10:55:52,317 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 10:55:52,317 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 10:55:52,317 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 10:55:52,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 10:55:52,318 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 10:55:52,347 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 10:55:52,360 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 10:55:52,363 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 10:55:52,365 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 10:55:52,365 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 10:55:52,366 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i [2019-09-10 10:55:52,437 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed7eb082a/f1a1296f6aa847b983b08247093a0362/FLAGa70b5a603 [2019-09-10 10:55:53,156 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 10:55:53,156 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i [2019-09-10 10:55:53,191 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed7eb082a/f1a1296f6aa847b983b08247093a0362/FLAGa70b5a603 [2019-09-10 10:55:53,285 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed7eb082a/f1a1296f6aa847b983b08247093a0362 [2019-09-10 10:55:53,296 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 10:55:53,298 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 10:55:53,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 10:55:53,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 10:55:53,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 10:55:53,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:55:53" (1/1) ... [2019-09-10 10:55:53,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fe22df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:55:53, skipping insertion in model container [2019-09-10 10:55:53,314 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:55:53" (1/1) ... [2019-09-10 10:55:53,322 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 10:55:53,409 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 10:55:54,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 10:55:54,731 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 10:55:54,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 10:55:55,006 INFO L192 MainTranslator]: Completed translation [2019-09-10 10:55:55,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:55:55 WrapperNode [2019-09-10 10:55:55,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 10:55:55,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 10:55:55,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 10:55:55,008 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 10:55:55,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:55:55" (1/1) ... [2019-09-10 10:55:55,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:55:55" (1/1) ... [2019-09-10 10:55:55,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:55:55" (1/1) ... [2019-09-10 10:55:55,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:55:55" (1/1) ... [2019-09-10 10:55:55,157 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:55:55" (1/1) ... [2019-09-10 10:55:55,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:55:55" (1/1) ... [2019-09-10 10:55:55,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:55:55" (1/1) ... [2019-09-10 10:55:55,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 10:55:55,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 10:55:55,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 10:55:55,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 10:55:55,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:55:55" (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 [2019-09-10 10:55:55,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 10:55:55,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 10:55:55,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-10 10:55:55,301 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-09-10 10:55:55,301 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2019-09-10 10:55:55,301 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2019-09-10 10:55:55,302 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2019-09-10 10:55:55,302 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-09-10 10:55:55,302 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-09-10 10:55:55,302 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-09-10 10:55:55,303 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2019-09-10 10:55:55,303 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-09-10 10:55:55,303 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-09-10 10:55:55,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-10 10:55:55,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-10 10:55:55,304 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-10 10:55:55,304 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-10 10:55:55,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-10 10:55:55,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-10 10:55:55,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-10 10:55:55,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-10 10:55:55,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-10 10:55:55,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-10 10:55:55,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-10 10:55:55,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 10:55:55,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-10 10:55:55,306 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_create_image [2019-09-10 10:55:55,306 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_suspend [2019-09-10 10:55:55,306 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_resume [2019-09-10 10:55:55,307 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_delete [2019-09-10 10:55:55,307 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_open [2019-09-10 10:55:55,307 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_release [2019-09-10 10:55:55,307 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_read [2019-09-10 10:55:55,307 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_probe [2019-09-10 10:55:55,307 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_disconnect [2019-09-10 10:55:55,308 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_driver_init [2019-09-10 10:55:55,308 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_driver_exit [2019-09-10 10:55:55,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-09-10 10:55:55,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2019-09-10 10:55:55,308 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 10:55:55,309 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-10 10:55:55,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_2 [2019-09-10 10:55:55,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_3 [2019-09-10 10:55:55,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_4 [2019-09-10 10:55:55,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_5 [2019-09-10 10:55:55,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_9 [2019-09-10 10:55:55,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_10 [2019-09-10 10:55:55,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-09-10 10:55:55,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2019-09-10 10:55:55,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2019-09-10 10:55:55,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2019-09-10 10:55:55,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2019-09-10 10:55:55,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2019-09-10 10:55:55,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2019-09-10 10:55:55,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2019-09-10 10:55:55,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2019-09-10 10:55:55,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2019-09-10 10:55:55,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2019-09-10 10:55:55,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2019-09-10 10:55:55,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2019-09-10 10:55:55,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2019-09-10 10:55:55,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2019-09-10 10:55:55,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2019-09-10 10:55:55,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 10:55:55,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-09-10 10:55:55,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-10 10:55:55,313 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-09-10 10:55:55,314 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2019-09-10 10:55:55,314 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-10 10:55:55,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 10:55:55,314 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-09-10 10:55:55,314 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-10 10:55:55,314 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2019-09-10 10:55:55,315 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2019-09-10 10:55:55,315 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-09-10 10:55:55,315 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-10 10:55:55,315 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2019-09-10 10:55:55,315 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_find_interface [2019-09-10 10:55:55,316 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2019-09-10 10:55:55,316 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-10 10:55:55,316 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 10:55:55,316 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 10:55:55,316 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-10 10:55:55,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-10 10:55:55,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-10 10:55:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 10:55:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 10:55:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-10 10:55:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-10 10:55:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-09-10 10:55:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 10:55:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2019-09-10 10:55:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2019-09-10 10:55:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2019-09-10 10:55:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-09-10 10:55:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-09-10 10:55:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-10 10:55:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-09-10 10:55:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-09-10 10:55:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-10 10:55:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-09-10 10:55:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-10 10:55:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-10 10:55:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-09-10 10:55:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2019-09-10 10:55:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2019-09-10 10:55:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2019-09-10 10:55:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-09-10 10:55:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 10:55:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-09-10 10:55:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_2 [2019-09-10 10:55:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_5 [2019-09-10 10:55:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-10 10:55:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_3 [2019-09-10 10:55:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_4 [2019-09-10 10:55:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure usb_find_interface [2019-09-10 10:55:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-10 10:55:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_9 [2019-09-10 10:55:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-10 10:55:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_10 [2019-09-10 10:55:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2019-09-10 10:55:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2019-09-10 10:55:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-09-10 10:55:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2019-09-10 10:55:55,367 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-10 10:55:55,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2019-09-10 10:55:55,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2019-09-10 10:55:55,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2019-09-10 10:55:55,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2019-09-10 10:55:55,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2019-09-10 10:55:55,368 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 10:55:55,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-10 10:55:55,368 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-10 10:55:55,369 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-10 10:55:55,369 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-10 10:55:55,369 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 10:55:55,369 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-10 10:55:55,369 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 10:55:55,369 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2019-09-10 10:55:55,369 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_loff_t [2019-09-10 10:55:55,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-10 10:55:55,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 10:55:55,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 10:55:55,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 10:55:55,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-10 10:55:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-10 10:55:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-10 10:55:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-10 10:55:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-10 10:55:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-10 10:55:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-10 10:55:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-10 10:55:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-09-10 10:55:55,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2019-09-10 10:55:55,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 10:55:55,375 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_read [2019-09-10 10:55:55,375 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_open [2019-09-10 10:55:55,375 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_release [2019-09-10 10:55:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_probe [2019-09-10 10:55:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_disconnect [2019-09-10 10:55:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_suspend [2019-09-10 10:55:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_resume [2019-09-10 10:55:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_create_image [2019-09-10 10:55:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-10 10:55:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 10:55:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 10:55:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 10:55:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_delete [2019-09-10 10:55:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_driver_init [2019-09-10 10:55:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_driver_exit [2019-09-10 10:55:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 10:55:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 10:55:55,377 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 10:55:55,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-10 10:55:55,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-09-10 10:55:55,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2019-09-10 10:55:55,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2019-09-10 10:55:55,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2019-09-10 10:55:55,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2019-09-10 10:55:55,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2019-09-10 10:55:55,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2019-09-10 10:55:55,379 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-10 10:55:55,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2019-09-10 10:55:55,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2019-09-10 10:55:55,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2019-09-10 10:55:55,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2019-09-10 10:55:55,380 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-10 10:55:55,380 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 10:55:55,380 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 10:55:55,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 10:55:55,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 10:55:55,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 10:55:55,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 10:55:55,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-10 10:55:55,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-10 10:55:55,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-10 10:55:55,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-10 10:55:56,274 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-10 10:55:56,790 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-09-10 10:55:57,780 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 10:55:57,781 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-10 10:55:57,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:55:57 BoogieIcfgContainer [2019-09-10 10:55:57,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 10:55:57,784 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 10:55:57,784 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 10:55:57,788 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 10:55:57,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 10:55:53" (1/3) ... [2019-09-10 10:55:57,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39bb7fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:55:57, skipping insertion in model container [2019-09-10 10:55:57,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:55:55" (2/3) ... [2019-09-10 10:55:57,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39bb7fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:55:57, skipping insertion in model container [2019-09-10 10:55:57,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:55:57" (3/3) ... [2019-09-10 10:55:57,793 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i [2019-09-10 10:55:57,803 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 10:55:57,815 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 10:55:57,833 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 10:55:57,868 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 10:55:57,868 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 10:55:57,868 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 10:55:57,868 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 10:55:57,869 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 10:55:57,869 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 10:55:57,869 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 10:55:57,869 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 10:55:57,907 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states. [2019-09-10 10:55:57,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-09-10 10:55:57,932 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:55:57,933 INFO L399 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] [2019-09-10 10:55:57,936 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:55:57,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:55:57,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1281763578, now seen corresponding path program 1 times [2019-09-10 10:55:57,945 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:55:58,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:55:58,026 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:55:58,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:55:58,027 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:55:58,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:55:58,596 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-09-10 10:55:58,598 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:55:58,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:55:58,599 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:55:58,607 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:55:58,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:55:58,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:55:58,627 INFO L87 Difference]: Start difference. First operand 573 states. Second operand 3 states. [2019-09-10 10:55:58,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:55:58,873 INFO L93 Difference]: Finished difference Result 973 states and 1244 transitions. [2019-09-10 10:55:58,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:55:58,875 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2019-09-10 10:55:58,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:55:58,913 INFO L225 Difference]: With dead ends: 973 [2019-09-10 10:55:58,913 INFO L226 Difference]: Without dead ends: 950 [2019-09-10 10:55:58,919 INFO L628 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 [2019-09-10 10:55:58,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2019-09-10 10:55:59,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 947. [2019-09-10 10:55:59,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 947 states. [2019-09-10 10:55:59,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1207 transitions. [2019-09-10 10:55:59,079 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1207 transitions. Word has length 56 [2019-09-10 10:55:59,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:55:59,080 INFO L475 AbstractCegarLoop]: Abstraction has 947 states and 1207 transitions. [2019-09-10 10:55:59,080 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:55:59,080 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1207 transitions. [2019-09-10 10:55:59,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-09-10 10:55:59,086 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:55:59,086 INFO L399 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] [2019-09-10 10:55:59,086 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:55:59,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:55:59,087 INFO L82 PathProgramCache]: Analyzing trace with hash 355967151, now seen corresponding path program 1 times [2019-09-10 10:55:59,087 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:55:59,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:55:59,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:55:59,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:55:59,091 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:55:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:55:59,354 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-09-10 10:55:59,354 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:55:59,355 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-10 10:55:59,355 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:55:59,357 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-10 10:55:59,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-10 10:55:59,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-10 10:55:59,358 INFO L87 Difference]: Start difference. First operand 947 states and 1207 transitions. Second operand 4 states. [2019-09-10 10:55:59,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:55:59,419 INFO L93 Difference]: Finished difference Result 950 states and 1210 transitions. [2019-09-10 10:55:59,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-10 10:55:59,420 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 72 [2019-09-10 10:55:59,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:55:59,427 INFO L225 Difference]: With dead ends: 950 [2019-09-10 10:55:59,427 INFO L226 Difference]: Without dead ends: 948 [2019-09-10 10:55:59,428 INFO L628 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 [2019-09-10 10:55:59,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2019-09-10 10:55:59,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 948. [2019-09-10 10:55:59,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 948 states. [2019-09-10 10:55:59,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1208 transitions. [2019-09-10 10:55:59,492 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1208 transitions. Word has length 72 [2019-09-10 10:55:59,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:55:59,492 INFO L475 AbstractCegarLoop]: Abstraction has 948 states and 1208 transitions. [2019-09-10 10:55:59,492 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-10 10:55:59,492 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1208 transitions. [2019-09-10 10:55:59,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-09-10 10:55:59,496 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:55:59,496 INFO L399 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] [2019-09-10 10:55:59,496 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:55:59,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:55:59,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1902997324, now seen corresponding path program 1 times [2019-09-10 10:55:59,497 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:55:59,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:55:59,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:55:59,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:55:59,501 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:55:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:55:59,659 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-09-10 10:55:59,659 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 10:55:59,659 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 10:55:59,660 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 74 with the following transitions: [2019-09-10 10:55:59,663 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] [2019-09-10 10:55:59,720 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 10:55:59,721 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 10:55:59,825 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 10:55:59,827 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. [2019-09-10 10:55:59,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:55:59,832 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 10:55:59,898 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 10:55:59,898 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 10:55:59,901 INFO L420 sIntCurrentIteration]: We unified 72 AI predicates to 72 [2019-09-10 10:55:59,902 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 10:55:59,903 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 10:55:59,903 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2019-09-10 10:55:59,903 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:55:59,903 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 10:55:59,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 10:55:59,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 10:55:59,904 INFO L87 Difference]: Start difference. First operand 948 states and 1208 transitions. Second operand 2 states. [2019-09-10 10:55:59,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:55:59,905 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 10:55:59,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 10:55:59,905 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 73 [2019-09-10 10:55:59,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:55:59,906 INFO L225 Difference]: With dead ends: 2 [2019-09-10 10:55:59,906 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 10:55:59,906 INFO L628 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 [2019-09-10 10:55:59,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 10:55:59,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 10:55:59,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 10:55:59,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 10:55:59,907 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2019-09-10 10:55:59,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:55:59,907 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 10:55:59,907 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 10:55:59,908 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 10:55:59,908 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 10:55:59,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 10:55:59 BoogieIcfgContainer [2019-09-10 10:55:59,913 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 10:55:59,916 INFO L168 Benchmark]: Toolchain (without parser) took 6617.31 ms. Allocated memory was 134.7 MB in the beginning and 267.4 MB in the end (delta: 132.6 MB). Free memory was 85.4 MB in the beginning and 132.2 MB in the end (delta: -46.9 MB). Peak memory consumption was 85.8 MB. Max. memory is 7.1 GB. [2019-09-10 10:55:59,917 INFO L168 Benchmark]: CDTParser took 0.99 ms. Allocated memory is still 134.7 MB. Free memory was 109.2 MB in the beginning and 109.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-10 10:55:59,918 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1708.76 ms. Allocated memory was 134.7 MB in the beginning and 202.4 MB in the end (delta: 67.6 MB). Free memory was 85.2 MB in the beginning and 104.4 MB in the end (delta: -19.3 MB). Peak memory consumption was 53.6 MB. Max. memory is 7.1 GB. [2019-09-10 10:55:59,919 INFO L168 Benchmark]: Boogie Preprocessor took 216.61 ms. Allocated memory is still 202.4 MB. Free memory was 104.4 MB in the beginning and 94.3 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-09-10 10:55:59,920 INFO L168 Benchmark]: RCFGBuilder took 2557.84 ms. Allocated memory was 202.4 MB in the beginning and 268.4 MB in the end (delta: 66.1 MB). Free memory was 94.3 MB in the beginning and 162.3 MB in the end (delta: -68.0 MB). Peak memory consumption was 62.6 MB. Max. memory is 7.1 GB. [2019-09-10 10:55:59,921 INFO L168 Benchmark]: TraceAbstraction took 2129.48 ms. Allocated memory was 268.4 MB in the beginning and 267.4 MB in the end (delta: -1.0 MB). Free memory was 162.3 MB in the beginning and 132.2 MB in the end (delta: 30.1 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. [2019-09-10 10:55:59,925 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.99 ms. Allocated memory is still 134.7 MB. Free memory was 109.2 MB in the beginning and 109.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1708.76 ms. Allocated memory was 134.7 MB in the beginning and 202.4 MB in the end (delta: 67.6 MB). Free memory was 85.2 MB in the beginning and 104.4 MB in the end (delta: -19.3 MB). Peak memory consumption was 53.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 216.61 ms. Allocated memory is still 202.4 MB. Free memory was 104.4 MB in the beginning and 94.3 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2557.84 ms. Allocated memory was 202.4 MB in the beginning and 268.4 MB in the end (delta: 66.1 MB). Free memory was 94.3 MB in the beginning and 162.3 MB in the end (delta: -68.0 MB). Peak memory consumption was 62.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2129.48 ms. Allocated memory was 268.4 MB in the beginning and 267.4 MB in the end (delta: -1.0 MB). Free memory was 162.3 MB in the beginning and 132.2 MB in the end (delta: 30.1 MB). Peak memory consumption was 29.0 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, 2.0s OverallTime, 3 OverallIterations, 4 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1424 SDtfs, 593 SDslu, 1930 SDs, 0 SdLazy, 19 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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, 0.1s 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: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s 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...