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 0.1.24-13a467a-m [2019-10-14 22:20:35,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 22:20:35,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 22:20:35,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 22:20:35,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 22:20:35,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 22:20:35,047 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 22:20:35,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 22:20:35,058 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 22:20:35,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 22:20:35,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 22:20:35,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 22:20:35,061 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 22:20:35,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 22:20:35,063 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 22:20:35,064 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 22:20:35,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 22:20:35,065 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 22:20:35,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 22:20:35,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 22:20:35,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 22:20:35,071 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 22:20:35,072 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 22:20:35,073 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 22:20:35,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 22:20:35,075 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 22:20:35,075 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 22:20:35,076 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 22:20:35,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 22:20:35,077 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 22:20:35,078 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 22:20:35,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 22:20:35,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 22:20:35,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 22:20:35,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 22:20:35,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 22:20:35,082 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 22:20:35,082 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 22:20:35,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 22:20:35,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 22:20:35,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 22:20:35,086 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 [2019-10-14 22:20:35,109 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 22:20:35,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 22:20:35,112 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 22:20:35,112 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 22:20:35,112 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 22:20:35,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 22:20:35,113 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 22:20:35,113 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 22:20:35,113 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 22:20:35,113 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 22:20:35,114 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 22:20:35,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 22:20:35,115 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 22:20:35,115 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 22:20:35,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 22:20:35,116 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 22:20:35,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 22:20:35,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 22:20:35,116 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 22:20:35,117 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 22:20:35,117 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 22:20:35,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 22:20:35,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 22:20:35,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 22:20:35,118 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 22:20:35,118 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 22:20:35,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 22:20:35,119 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 22:20:35,119 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 22:20:35,412 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 22:20:35,425 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 22:20:35,429 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 22:20:35,431 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 22:20:35,431 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 22:20:35,432 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i [2019-10-14 22:20:35,518 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6133cefb/db36ae0bc09841d1a1cc9a89190dac3a/FLAG62d38038d [2019-10-14 22:20:36,228 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 22:20:36,229 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i [2019-10-14 22:20:36,270 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6133cefb/db36ae0bc09841d1a1cc9a89190dac3a/FLAG62d38038d [2019-10-14 22:20:36,347 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6133cefb/db36ae0bc09841d1a1cc9a89190dac3a [2019-10-14 22:20:36,357 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 22:20:36,359 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 22:20:36,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 22:20:36,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 22:20:36,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 22:20:36,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:20:36" (1/1) ... [2019-10-14 22:20:36,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79165010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:36, skipping insertion in model container [2019-10-14 22:20:36,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:20:36" (1/1) ... [2019-10-14 22:20:36,376 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 22:20:36,468 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 22:20:37,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 22:20:37,543 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 22:20:37,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 22:20:37,883 INFO L192 MainTranslator]: Completed translation [2019-10-14 22:20:37,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:37 WrapperNode [2019-10-14 22:20:37,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 22:20:37,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 22:20:37,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 22:20:37,886 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 22:20:37,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:37" (1/1) ... [2019-10-14 22:20:37,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:37" (1/1) ... [2019-10-14 22:20:37,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:37" (1/1) ... [2019-10-14 22:20:37,965 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:37" (1/1) ... [2019-10-14 22:20:38,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:37" (1/1) ... [2019-10-14 22:20:38,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:37" (1/1) ... [2019-10-14 22:20:38,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:37" (1/1) ... [2019-10-14 22:20:38,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 22:20:38,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 22:20:38,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 22:20:38,129 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 22:20:38,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:37" (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 [2019-10-14 22:20:38,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 22:20:38,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 22:20:38,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-14 22:20:38,216 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-10-14 22:20:38,216 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2019-10-14 22:20:38,217 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2019-10-14 22:20:38,217 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2019-10-14 22:20:38,217 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-14 22:20:38,218 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-14 22:20:38,218 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-10-14 22:20:38,218 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2019-10-14 22:20:38,218 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-10-14 22:20:38,219 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-10-14 22:20:38,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-14 22:20:38,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-14 22:20:38,220 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-14 22:20:38,223 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-14 22:20:38,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-14 22:20:38,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-14 22:20:38,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-14 22:20:38,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-14 22:20:38,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-14 22:20:38,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-14 22:20:38,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-14 22:20:38,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-14 22:20:38,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-14 22:20:38,225 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_create_image [2019-10-14 22:20:38,225 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_suspend [2019-10-14 22:20:38,225 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_resume [2019-10-14 22:20:38,225 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_delete [2019-10-14 22:20:38,225 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_open [2019-10-14 22:20:38,225 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_release [2019-10-14 22:20:38,226 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_read [2019-10-14 22:20:38,226 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_probe [2019-10-14 22:20:38,226 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_disconnect [2019-10-14 22:20:38,227 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_driver_init [2019-10-14 22:20:38,227 INFO L138 BoogieDeclarations]: Found implementation of procedure idmouse_driver_exit [2019-10-14 22:20:38,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-10-14 22:20:38,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2019-10-14 22:20:38,228 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 22:20:38,228 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-14 22:20:38,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_2 [2019-10-14 22:20:38,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_3 [2019-10-14 22:20:38,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_4 [2019-10-14 22:20:38,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_5 [2019-10-14 22:20:38,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_9 [2019-10-14 22:20:38,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_10 [2019-10-14 22:20:38,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-10-14 22:20:38,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2019-10-14 22:20:38,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2019-10-14 22:20:38,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2019-10-14 22:20:38,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2019-10-14 22:20:38,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2019-10-14 22:20:38,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2019-10-14 22:20:38,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2019-10-14 22:20:38,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2019-10-14 22:20:38,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2019-10-14 22:20:38,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2019-10-14 22:20:38,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2019-10-14 22:20:38,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2019-10-14 22:20:38,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2019-10-14 22:20:38,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2019-10-14 22:20:38,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2019-10-14 22:20:38,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-14 22:20:38,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-14 22:20:38,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-14 22:20:38,233 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-14 22:20:38,233 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2019-10-14 22:20:38,233 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-14 22:20:38,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-14 22:20:38,234 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-14 22:20:38,234 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-14 22:20:38,234 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2019-10-14 22:20:38,234 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2019-10-14 22:20:38,235 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-14 22:20:38,235 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-14 22:20:38,235 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2019-10-14 22:20:38,236 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_find_interface [2019-10-14 22:20:38,236 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2019-10-14 22:20:38,236 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-14 22:20:38,236 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-14 22:20:38,237 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-14 22:20:38,237 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-14 22:20:38,237 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-14 22:20:38,237 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-14 22:20:38,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 22:20:38,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-14 22:20:38,238 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-14 22:20:38,238 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-14 22:20:38,239 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-10-14 22:20:38,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 22:20:38,239 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2019-10-14 22:20:38,240 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2019-10-14 22:20:38,240 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2019-10-14 22:20:38,240 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-14 22:20:38,240 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-14 22:20:38,240 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-14 22:20:38,240 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-14 22:20:38,241 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-10-14 22:20:38,241 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-14 22:20:38,241 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-14 22:20:38,241 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-14 22:20:38,241 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-14 22:20:38,242 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-14 22:20:38,242 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2019-10-14 22:20:38,242 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2019-10-14 22:20:38,242 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2019-10-14 22:20:38,242 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-10-14 22:20:38,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 22:20:38,242 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-10-14 22:20:38,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_2 [2019-10-14 22:20:38,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_5 [2019-10-14 22:20:38,243 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-14 22:20:38,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_3 [2019-10-14 22:20:38,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_4 [2019-10-14 22:20:38,243 INFO L130 BoogieDeclarations]: Found specification of procedure usb_find_interface [2019-10-14 22:20:38,243 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-14 22:20:38,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_9 [2019-10-14 22:20:38,244 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-14 22:20:38,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_10 [2019-10-14 22:20:38,244 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2019-10-14 22:20:38,244 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2019-10-14 22:20:38,244 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-14 22:20:38,244 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2019-10-14 22:20:38,244 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-14 22:20:38,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2019-10-14 22:20:38,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2019-10-14 22:20:38,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2019-10-14 22:20:38,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2019-10-14 22:20:38,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2019-10-14 22:20:38,246 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-14 22:20:38,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-14 22:20:38,246 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-14 22:20:38,246 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-14 22:20:38,246 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-14 22:20:38,246 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 22:20:38,247 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-14 22:20:38,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 22:20:38,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2019-10-14 22:20:38,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_loff_t [2019-10-14 22:20:38,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-14 22:20:38,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-14 22:20:38,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-14 22:20:38,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 22:20:38,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-14 22:20:38,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-14 22:20:38,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-14 22:20:38,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-14 22:20:38,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-14 22:20:38,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-14 22:20:38,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-14 22:20:38,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-14 22:20:38,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-10-14 22:20:38,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2019-10-14 22:20:38,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 22:20:38,250 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_read [2019-10-14 22:20:38,250 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_open [2019-10-14 22:20:38,250 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_release [2019-10-14 22:20:38,250 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_probe [2019-10-14 22:20:38,251 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_disconnect [2019-10-14 22:20:38,251 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_suspend [2019-10-14 22:20:38,251 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_resume [2019-10-14 22:20:38,251 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_create_image [2019-10-14 22:20:38,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-14 22:20:38,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 22:20:38,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 22:20:38,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 22:20:38,289 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_delete [2019-10-14 22:20:38,289 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_driver_init [2019-10-14 22:20:38,289 INFO L130 BoogieDeclarations]: Found specification of procedure idmouse_driver_exit [2019-10-14 22:20:38,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-14 22:20:38,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-14 22:20:38,290 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 22:20:38,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-14 22:20:38,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-10-14 22:20:38,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2019-10-14 22:20:38,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2019-10-14 22:20:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2019-10-14 22:20:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2019-10-14 22:20:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2019-10-14 22:20:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2019-10-14 22:20:38,292 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-14 22:20:38,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2019-10-14 22:20:38,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2019-10-14 22:20:38,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2019-10-14 22:20:38,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2019-10-14 22:20:38,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-14 22:20:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-14 22:20:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 22:20:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 22:20:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 22:20:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-14 22:20:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 22:20:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-14 22:20:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-14 22:20:38,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-14 22:20:38,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-14 22:20:38,887 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-14 22:20:39,385 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-10-14 22:20:40,080 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 22:20:40,080 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-14 22:20:40,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:20:40 BoogieIcfgContainer [2019-10-14 22:20:40,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 22:20:40,083 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 22:20:40,083 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 22:20:40,086 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 22:20:40,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:20:36" (1/3) ... [2019-10-14 22:20:40,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@138fa80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:20:40, skipping insertion in model container [2019-10-14 22:20:40,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:20:37" (2/3) ... [2019-10-14 22:20:40,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@138fa80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:20:40, skipping insertion in model container [2019-10-14 22:20:40,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:20:40" (3/3) ... [2019-10-14 22:20:40,089 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--usb--misc--idmouse.ko-entry_point.cil.out.i [2019-10-14 22:20:40,099 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 22:20:40,110 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 22:20:40,121 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 22:20:40,156 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 22:20:40,156 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 22:20:40,157 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 22:20:40,157 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 22:20:40,157 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 22:20:40,157 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 22:20:40,157 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 22:20:40,157 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 22:20:40,201 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states. [2019-10-14 22:20:40,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-14 22:20:40,220 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:20:40,221 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] [2019-10-14 22:20:40,224 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:20:40,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:20:40,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1415556288, now seen corresponding path program 1 times [2019-10-14 22:20:40,238 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:20:40,239 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660165361] [2019-10-14 22:20:40,239 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:20:40,239 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:20:40,239 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:20:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:41,560 WARN L191 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2019-10-14 22:20:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:41,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:41,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:41,730 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-14 22:20:41,731 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660165361] [2019-10-14 22:20:41,732 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 22:20:41,732 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-14 22:20:41,732 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901700545] [2019-10-14 22:20:41,737 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-14 22:20:41,738 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:20:41,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-14 22:20:41,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-14 22:20:41,755 INFO L87 Difference]: Start difference. First operand 572 states. Second operand 7 states. [2019-10-14 22:20:42,440 WARN L191 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2019-10-14 22:20:44,063 WARN L191 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 306 [2019-10-14 22:20:46,069 WARN L191 SmtUtils]: Spent 556.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2019-10-14 22:20:56,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 22:20:56,417 INFO L93 Difference]: Finished difference Result 1862 states and 2518 transitions. [2019-10-14 22:20:56,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-14 22:20:56,419 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-14 22:20:56,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 22:20:56,453 INFO L225 Difference]: With dead ends: 1862 [2019-10-14 22:20:56,453 INFO L226 Difference]: Without dead ends: 1320 [2019-10-14 22:20:56,462 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 [2019-10-14 22:20:56,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2019-10-14 22:20:56,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 945. [2019-10-14 22:20:56,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 945 states. [2019-10-14 22:20:56,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 1203 transitions. [2019-10-14 22:20:56,750 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 1203 transitions. Word has length 56 [2019-10-14 22:20:56,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 22:20:56,751 INFO L462 AbstractCegarLoop]: Abstraction has 945 states and 1203 transitions. [2019-10-14 22:20:56,751 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-14 22:20:56,751 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1203 transitions. [2019-10-14 22:20:56,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-10-14 22:20:56,757 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:20:56,757 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] [2019-10-14 22:20:56,757 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:20:56,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:20:56,758 INFO L82 PathProgramCache]: Analyzing trace with hash -512193739, now seen corresponding path program 1 times [2019-10-14 22:20:56,758 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:20:56,758 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293689220] [2019-10-14 22:20:56,758 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:20:56,759 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:20:56,759 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:20:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:57,388 WARN L191 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2019-10-14 22:20:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:57,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:57,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:57,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:57,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:57,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:57,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:57,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:20:57,689 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-14 22:20:57,690 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293689220] [2019-10-14 22:20:57,690 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 22:20:57,690 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-14 22:20:57,691 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214017223] [2019-10-14 22:20:57,693 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 22:20:57,693 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:20:57,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 22:20:57,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-10-14 22:20:57,694 INFO L87 Difference]: Start difference. First operand 945 states and 1203 transitions. Second operand 9 states. [2019-10-14 22:20:58,224 WARN L191 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2019-10-14 22:20:59,212 WARN L191 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2019-10-14 22:20:59,826 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2019-10-14 22:21:06,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 22:21:06,329 INFO L93 Difference]: Finished difference Result 2110 states and 2724 transitions. [2019-10-14 22:21:06,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-14 22:21:06,330 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 72 [2019-10-14 22:21:06,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 22:21:06,343 INFO L225 Difference]: With dead ends: 2110 [2019-10-14 22:21:06,343 INFO L226 Difference]: Without dead ends: 1183 [2019-10-14 22:21:06,346 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2019-10-14 22:21:06,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2019-10-14 22:21:06,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 946. [2019-10-14 22:21:06,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 946 states. [2019-10-14 22:21:06,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1204 transitions. [2019-10-14 22:21:06,525 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1204 transitions. Word has length 72 [2019-10-14 22:21:06,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 22:21:06,526 INFO L462 AbstractCegarLoop]: Abstraction has 946 states and 1204 transitions. [2019-10-14 22:21:06,526 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 22:21:06,526 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1204 transitions. [2019-10-14 22:21:06,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-10-14 22:21:06,530 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:21:06,530 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] [2019-10-14 22:21:06,530 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:21:06,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:21:06,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1248786152, now seen corresponding path program 1 times [2019-10-14 22:21:06,531 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:21:06,531 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417788317] [2019-10-14 22:21:06,531 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:21:06,531 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:21:06,532 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:21:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:21:07,104 WARN L191 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2019-10-14 22:21:07,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:21:07,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:21:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:21:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:21:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:21:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:21:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:21:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:21:07,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:21:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:21:07,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:21:07,435 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-14 22:21:07,436 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417788317] [2019-10-14 22:21:07,436 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550629101] [2019-10-14 22:21:07,436 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 [2019-10-14 22:21:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:21:07,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 1522 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-14 22:21:07,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 22:21:07,862 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-14 22:21:07,862 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 22:21:07,863 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 10 [2019-10-14 22:21:07,863 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018771387] [2019-10-14 22:21:07,863 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 22:21:07,864 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:21:07,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 22:21:07,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-10-14 22:21:07,864 INFO L87 Difference]: Start difference. First operand 946 states and 1204 transitions. Second operand 10 states. [2019-10-14 22:21:08,431 WARN L191 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2019-10-14 22:21:09,592 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2019-10-14 22:21:10,175 WARN L191 SmtUtils]: Spent 546.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2019-10-14 22:21:10,793 WARN L191 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 300