java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 18:21:38,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 18:21:38,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 18:21:38,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 18:21:38,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 18:21:38,042 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 18:21:38,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 18:21:38,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 18:21:38,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 18:21:38,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 18:21:38,056 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 18:21:38,057 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 18:21:38,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 18:21:38,060 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 18:21:38,063 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 18:21:38,064 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 18:21:38,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 18:21:38,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 18:21:38,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 18:21:38,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 18:21:38,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 18:21:38,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 18:21:38,083 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 18:21:38,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 18:21:38,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 18:21:38,091 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 18:21:38,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 18:21:38,092 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 18:21:38,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 18:21:38,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 18:21:38,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 18:21:38,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 18:21:38,097 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 18:21:38,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 18:21:38,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 18:21:38,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 18:21:38,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 18:21:38,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 18:21:38,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 18:21:38,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 18:21:38,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 18:21:38,105 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 18:21:38,125 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 18:21:38,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 18:21:38,127 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 18:21:38,127 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 18:21:38,128 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 18:21:38,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 18:21:38,128 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 18:21:38,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 18:21:38,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 18:21:38,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 18:21:38,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 18:21:38,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 18:21:38,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 18:21:38,131 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 18:21:38,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 18:21:38,131 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 18:21:38,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 18:21:38,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 18:21:38,132 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 18:21:38,132 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 18:21:38,132 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 18:21:38,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 18:21:38,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 18:21:38,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 18:21:38,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 18:21:38,133 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 18:21:38,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 18:21:38,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 18:21:38,134 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 18:21:38,457 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 18:21:38,480 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 18:21:38,484 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 18:21:38,485 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 18:21:38,485 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 18:21:38,486 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i [2019-10-13 18:21:38,546 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e18205a0a/ce273a06e18d4a3fb3b4fe321113a7b0/FLAG1ecebcd40 [2019-10-13 18:21:39,193 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 18:21:39,194 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i [2019-10-13 18:21:39,236 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e18205a0a/ce273a06e18d4a3fb3b4fe321113a7b0/FLAG1ecebcd40 [2019-10-13 18:21:39,391 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e18205a0a/ce273a06e18d4a3fb3b4fe321113a7b0 [2019-10-13 18:21:39,402 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 18:21:39,404 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 18:21:39,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 18:21:39,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 18:21:39,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 18:21:39,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:21:39" (1/1) ... [2019-10-13 18:21:39,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dc6be10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:21:39, skipping insertion in model container [2019-10-13 18:21:39,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:21:39" (1/1) ... [2019-10-13 18:21:39,419 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 18:21:39,507 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 18:21:40,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 18:21:40,802 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 18:21:41,026 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 18:21:41,145 INFO L192 MainTranslator]: Completed translation [2019-10-13 18:21:41,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:21:41 WrapperNode [2019-10-13 18:21:41,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 18:21:41,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 18:21:41,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 18:21:41,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 18:21:41,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:21:41" (1/1) ... [2019-10-13 18:21:41,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:21:41" (1/1) ... [2019-10-13 18:21:41,234 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:21:41" (1/1) ... [2019-10-13 18:21:41,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:21:41" (1/1) ... [2019-10-13 18:21:41,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:21:41" (1/1) ... [2019-10-13 18:21:41,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:21:41" (1/1) ... [2019-10-13 18:21:41,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:21:41" (1/1) ... [2019-10-13 18:21:41,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 18:21:41,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 18:21:41,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 18:21:41,376 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 18:21:41,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:21:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 18:21:41,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 18:21:41,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 18:21:41,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 18:21:41,454 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-10-13 18:21:41,454 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2019-10-13 18:21:41,455 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2019-10-13 18:21:41,491 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2019-10-13 18:21:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-13 18:21:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-13 18:21:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-10-13 18:21:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2019-10-13 18:21:41,492 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-10-13 18:21:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-10-13 18:21:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-13 18:21:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 18:21:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 18:21:41,494 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 18:21:41,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 18:21:41,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 18:21:41,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 18:21:41,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 18:21:41,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 18:21:41,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 18:21:41,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 18:21:41,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 18:21:41,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 18:21:41,496 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_create_image [2019-10-13 18:21:41,496 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_suspend [2019-10-13 18:21:41,496 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_resume [2019-10-13 18:21:41,496 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_delete [2019-10-13 18:21:41,498 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_open [2019-10-13 18:21:41,498 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_release [2019-10-13 18:21:41,498 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_read [2019-10-13 18:21:41,498 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_probe [2019-10-13 18:21:41,498 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_disconnect [2019-10-13 18:21:41,499 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_driver_init [2019-10-13 18:21:41,499 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_driver_exit [2019-10-13 18:21:41,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-10-13 18:21:41,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2019-10-13 18:21:41,499 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 18:21:41,500 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-13 18:21:41,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_2 [2019-10-13 18:21:41,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_3 [2019-10-13 18:21:41,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_4 [2019-10-13 18:21:41,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_5 [2019-10-13 18:21:41,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_9 [2019-10-13 18:21:41,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_10 [2019-10-13 18:21:41,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-10-13 18:21:41,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2019-10-13 18:21:41,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2019-10-13 18:21:41,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2019-10-13 18:21:41,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2019-10-13 18:21:41,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2019-10-13 18:21:41,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2019-10-13 18:21:41,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2019-10-13 18:21:41,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2019-10-13 18:21:41,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2019-10-13 18:21:41,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2019-10-13 18:21:41,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2019-10-13 18:21:41,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2019-10-13 18:21:41,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2019-10-13 18:21:41,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2019-10-13 18:21:41,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2019-10-13 18:21:41,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 18:21:41,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-13 18:21:41,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-13 18:21:41,504 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-13 18:21:41,505 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2019-10-13 18:21:41,505 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-13 18:21:41,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 18:21:41,505 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-13 18:21:41,505 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 18:21:41,505 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2019-10-13 18:21:41,506 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2019-10-13 18:21:41,506 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-13 18:21:41,507 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-13 18:21:41,507 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2019-10-13 18:21:41,507 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_find_interface [2019-10-13 18:21:41,508 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2019-10-13 18:21:41,508 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-13 18:21:41,509 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 18:21:41,509 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 18:21:41,510 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 18:21:41,510 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 18:21:41,510 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 18:21:41,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 18:21:41,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 18:21:41,511 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 18:21:41,511 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 18:21:41,512 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-10-13 18:21:41,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 18:21:41,513 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2019-10-13 18:21:41,513 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2019-10-13 18:21:41,513 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2019-10-13 18:21:41,513 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-13 18:21:41,514 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-13 18:21:41,514 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-13 18:21:41,514 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-13 18:21:41,514 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-10-13 18:21:41,514 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-13 18:21:41,515 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-13 18:21:41,515 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 18:21:41,515 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-13 18:21:41,515 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-13 18:21:41,516 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2019-10-13 18:21:41,516 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2019-10-13 18:21:41,516 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2019-10-13 18:21:41,516 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-10-13 18:21:41,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 18:21:41,517 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-10-13 18:21:41,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_2 [2019-10-13 18:21:41,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_5 [2019-10-13 18:21:41,517 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-13 18:21:41,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_3 [2019-10-13 18:21:41,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_4 [2019-10-13 18:21:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure usb_find_interface [2019-10-13 18:21:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-13 18:21:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_9 [2019-10-13 18:21:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-13 18:21:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_10 [2019-10-13 18:21:41,520 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2019-10-13 18:21:41,520 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2019-10-13 18:21:41,521 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-13 18:21:41,521 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2019-10-13 18:21:41,522 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-13 18:21:41,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2019-10-13 18:21:41,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2019-10-13 18:21:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2019-10-13 18:21:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2019-10-13 18:21:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2019-10-13 18:21:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 18:21:41,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 18:21:41,524 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 18:21:41,524 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 18:21:41,525 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 18:21:41,525 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 18:21:41,525 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 18:21:41,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 18:21:41,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2019-10-13 18:21:41,527 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_loff_t [2019-10-13 18:21:41,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 18:21:41,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 18:21:41,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 18:21:41,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 18:21:41,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 18:21:41,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 18:21:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 18:21:41,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 18:21:41,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 18:21:41,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 18:21:41,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 18:21:41,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 18:21:41,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-10-13 18:21:41,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2019-10-13 18:21:41,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 18:21:41,541 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_read [2019-10-13 18:21:41,541 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_open [2019-10-13 18:21:41,542 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_release [2019-10-13 18:21:41,542 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_probe [2019-10-13 18:21:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_disconnect [2019-10-13 18:21:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_suspend [2019-10-13 18:21:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_resume [2019-10-13 18:21:41,543 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_create_image [2019-10-13 18:21:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 18:21:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 18:21:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 18:21:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 18:21:41,544 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_delete [2019-10-13 18:21:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_driver_init [2019-10-13 18:21:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_driver_exit [2019-10-13 18:21:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 18:21:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 18:21:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 18:21:41,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 18:21:41,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-10-13 18:21:41,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2019-10-13 18:21:41,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2019-10-13 18:21:41,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2019-10-13 18:21:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2019-10-13 18:21:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2019-10-13 18:21:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2019-10-13 18:21:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 18:21:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2019-10-13 18:21:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2019-10-13 18:21:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2019-10-13 18:21:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2019-10-13 18:21:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-13 18:21:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 18:21:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 18:21:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 18:21:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 18:21:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 18:21:41,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 18:21:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 18:21:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 18:21:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 18:21:41,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 18:21:42,377 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 18:21:42,934 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-10-13 18:21:43,708 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 18:21:43,708 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 18:21:43,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:21:43 BoogieIcfgContainer [2019-10-13 18:21:43,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 18:21:43,711 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 18:21:43,711 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 18:21:43,715 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 18:21:43,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:21:39" (1/3) ... [2019-10-13 18:21:43,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60dcb7ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:21:43, skipping insertion in model container [2019-10-13 18:21:43,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:21:41" (2/3) ... [2019-10-13 18:21:43,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60dcb7ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:21:43, skipping insertion in model container [2019-10-13 18:21:43,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:21:43" (3/3) ... [2019-10-13 18:21:43,719 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i [2019-10-13 18:21:43,729 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 18:21:43,741 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 18:21:43,754 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 18:21:43,797 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 18:21:43,797 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 18:21:43,797 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 18:21:43,797 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 18:21:43,797 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 18:21:43,798 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 18:21:43,798 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 18:21:43,798 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 18:21:43,845 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states. [2019-10-13 18:21:43,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-13 18:21:43,865 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:21:43,867 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 18:21:43,869 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:21:43,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:21:43,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1415556288, now seen corresponding path program 1 times [2019-10-13 18:21:43,886 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:21:43,886 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273416290] [2019-10-13 18:21:43,886 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:21:43,886 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:21:43,887 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:21:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:21:45,360 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2019-10-13 18:21:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:21:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:21:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:21:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:21:45,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:21:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:21:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:21:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:21:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:21:45,532 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 18:21:45,533 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273416290] [2019-10-13 18:21:45,534 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 18:21:45,534 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 18:21:45,534 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049447705] [2019-10-13 18:21:45,539 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 18:21:45,540 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:21:45,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 18:21:45,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 18:21:45,557 INFO L87 Difference]: Start difference. First operand 572 states. Second operand 7 states. [2019-10-13 18:21:46,243 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2019-10-13 18:21:47,729 WARN L191 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 306 [2019-10-13 18:21:49,638 WARN L191 SmtUtils]: Spent 561.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2019-10-13 18:22:00,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 18:22:00,036 INFO L93 Difference]: Finished difference Result 1862 states and 2518 transitions. [2019-10-13 18:22:00,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-13 18:22:00,038 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-13 18:22:00,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 18:22:00,071 INFO L225 Difference]: With dead ends: 1862 [2019-10-13 18:22:00,071 INFO L226 Difference]: Without dead ends: 1320 [2019-10-13 18:22:00,080 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2019-10-13 18:22:00,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2019-10-13 18:22:00,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 945. [2019-10-13 18:22:00,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 945 states. [2019-10-13 18:22:00,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 1203 transitions. [2019-10-13 18:22:00,368 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 1203 transitions. Word has length 56 [2019-10-13 18:22:00,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 18:22:00,369 INFO L462 AbstractCegarLoop]: Abstraction has 945 states and 1203 transitions. [2019-10-13 18:22:00,369 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 18:22:00,369 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1203 transitions. [2019-10-13 18:22:00,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-10-13 18:22:00,375 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:22:00,375 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 18:22:00,377 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:22:00,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:22:00,378 INFO L82 PathProgramCache]: Analyzing trace with hash -512193739, now seen corresponding path program 1 times [2019-10-13 18:22:00,378 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:22:00,378 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014200957] [2019-10-13 18:22:00,378 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:22:00,378 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:22:00,379 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:22:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:22:01,042 WARN L191 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2019-10-13 18:22:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:22:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:22:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:22:01,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:22:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:22:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:22:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:22:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:22:01,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:22:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:22:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:22:01,332 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-13 18:22:01,333 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014200957] [2019-10-13 18:22:01,334 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 18:22:01,334 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 18:22:01,334 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629942672] [2019-10-13 18:22:01,338 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 18:22:01,339 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:22:01,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 18:22:01,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-10-13 18:22:01,339 INFO L87 Difference]: Start difference. First operand 945 states and 1203 transitions. Second operand 9 states. [2019-10-13 18:22:01,942 WARN L191 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2019-10-13 18:22:03,114 WARN L191 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2019-10-13 18:22:03,723 WARN L191 SmtUtils]: Spent 568.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2019-10-13 18:22:10,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 18:22:10,542 INFO L93 Difference]: Finished difference Result 2110 states and 2724 transitions. [2019-10-13 18:22:10,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 18:22:10,543 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 72 [2019-10-13 18:22:10,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 18:22:10,553 INFO L225 Difference]: With dead ends: 2110 [2019-10-13 18:22:10,553 INFO L226 Difference]: Without dead ends: 1183 [2019-10-13 18:22:10,557 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2019-10-13 18:22:10,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2019-10-13 18:22:10,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 946. [2019-10-13 18:22:10,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 946 states. [2019-10-13 18:22:10,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1204 transitions. [2019-10-13 18:22:10,746 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1204 transitions. Word has length 72 [2019-10-13 18:22:10,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 18:22:10,747 INFO L462 AbstractCegarLoop]: Abstraction has 946 states and 1204 transitions. [2019-10-13 18:22:10,747 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 18:22:10,747 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1204 transitions. [2019-10-13 18:22:10,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-10-13 18:22:10,751 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:22:10,751 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 18:22:10,751 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:22:10,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:22:10,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1248786152, now seen corresponding path program 1 times [2019-10-13 18:22:10,752 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:22:10,752 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596977509] [2019-10-13 18:22:10,752 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:22:10,752 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:22:10,753 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:22:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:22:11,393 WARN L191 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2019-10-13 18:22:11,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:22:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:22:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:22:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:22:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:22:11,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:22:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:22:11,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:22:11,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:22:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:22:11,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:22:11,636 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-13 18:22:11,636 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596977509] [2019-10-13 18:22:11,637 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136576481] [2019-10-13 18:22:11,637 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 18:22:12,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:22:12,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 1522 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 18:22:12,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 18:22:12,071 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 18:22:12,071 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 18:22:12,072 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 10 [2019-10-13 18:22:12,072 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551488670] [2019-10-13 18:22:12,074 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 18:22:12,074 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:22:12,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 18:22:12,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-10-13 18:22:12,075 INFO L87 Difference]: Start difference. First operand 946 states and 1204 transitions. Second operand 10 states. [2019-10-13 18:22:12,659 WARN L191 SmtUtils]: Spent 556.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2019-10-13 18:22:13,909 WARN L191 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2019-10-13 18:22:14,501 WARN L191 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2019-10-13 18:22:15,088 WARN L191 SmtUtils]: Spent 546.00 ms on a formula simplification that was a NOOP. DAG size: 300