/usr/bin/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=1.0 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-89f541c [2020-08-28 04:48:15,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-28 04:48:15,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-28 04:48:15,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-28 04:48:15,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-28 04:48:15,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-28 04:48:15,244 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-28 04:48:15,246 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-28 04:48:15,247 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-28 04:48:15,248 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-28 04:48:15,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-28 04:48:15,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-28 04:48:15,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-28 04:48:15,252 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-28 04:48:15,254 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-28 04:48:15,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-28 04:48:15,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-28 04:48:15,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-28 04:48:15,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-28 04:48:15,261 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-28 04:48:15,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-28 04:48:15,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-28 04:48:15,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-28 04:48:15,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-28 04:48:15,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-28 04:48:15,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-28 04:48:15,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-28 04:48:15,270 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-28 04:48:15,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-28 04:48:15,272 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-28 04:48:15,272 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-28 04:48:15,273 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-28 04:48:15,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-28 04:48:15,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-28 04:48:15,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-28 04:48:15,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-28 04:48:15,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-28 04:48:15,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-28 04:48:15,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-28 04:48:15,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-28 04:48:15,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-28 04:48:15,280 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-08-28 04:48:15,307 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-28 04:48:15,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-28 04:48:15,309 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-28 04:48:15,309 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-28 04:48:15,310 INFO L138 SettingsManager]: * Use SBE=true [2020-08-28 04:48:15,310 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-28 04:48:15,310 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-28 04:48:15,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-28 04:48:15,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-28 04:48:15,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-28 04:48:15,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-28 04:48:15,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-28 04:48:15,311 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-28 04:48:15,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-28 04:48:15,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-28 04:48:15,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-28 04:48:15,312 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-28 04:48:15,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-28 04:48:15,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-28 04:48:15,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-28 04:48:15,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-28 04:48:15,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-28 04:48:15,314 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-28 04:48:15,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-28 04:48:15,314 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-28 04:48:15,314 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-28 04:48:15,314 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-28 04:48:15,315 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; [2020-08-28 04:48:15,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-28 04:48:15,838 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-28 04:48:15,845 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-28 04:48:15,847 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-28 04:48:15,848 INFO L275 PluginConnector]: CDTParser initialized [2020-08-28 04:48:15,849 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2020-08-28 04:48:15,932 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/32f77641b/954d78c99bba4b3d89fce70bc5e02293/FLAGd73831508 [2020-08-28 04:48:16,839 INFO L306 CDTParser]: Found 1 translation units. [2020-08-28 04:48:16,840 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2020-08-28 04:48:16,881 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/32f77641b/954d78c99bba4b3d89fce70bc5e02293/FLAGd73831508 [2020-08-28 04:48:17,361 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/32f77641b/954d78c99bba4b3d89fce70bc5e02293 [2020-08-28 04:48:17,375 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-28 04:48:17,378 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-28 04:48:17,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-28 04:48:17,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-28 04:48:17,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-28 04:48:17,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 04:48:17" (1/1) ... [2020-08-28 04:48:17,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cd0480f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 04:48:17, skipping insertion in model container [2020-08-28 04:48:17,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 04:48:17" (1/1) ... [2020-08-28 04:48:17,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-28 04:48:17,542 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-28 04:48:19,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-28 04:48:19,149 INFO L203 MainTranslator]: Completed pre-run [2020-08-28 04:48:19,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-28 04:48:19,538 INFO L208 MainTranslator]: Completed translation [2020-08-28 04:48:19,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 04:48:19 WrapperNode [2020-08-28 04:48:19,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-28 04:48:19,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-28 04:48:19,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-28 04:48:19,541 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-28 04:48:19,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 04:48:19" (1/1) ... [2020-08-28 04:48:19,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 04:48:19" (1/1) ... [2020-08-28 04:48:19,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 04:48:19" (1/1) ... [2020-08-28 04:48:19,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 04:48:19" (1/1) ... [2020-08-28 04:48:19,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 04:48:19" (1/1) ... [2020-08-28 04:48:19,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 04:48:19" (1/1) ... [2020-08-28 04:48:19,751 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 04:48:19" (1/1) ... [2020-08-28 04:48:19,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-28 04:48:19,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-28 04:48:19,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-28 04:48:19,770 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-28 04:48:19,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 04:48:19" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-28 04:48:19,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-28 04:48:19,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-28 04:48:19,866 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-08-28 04:48:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-08-28 04:48:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-08-28 04:48:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-08-28 04:48:19,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-08-28 04:48:19,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-08-28 04:48:19,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-08-28 04:48:19,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-08-28 04:48:19,870 INFO L138 BoogieDeclarations]: Found implementation of procedure always_connected [2020-08-28 04:48:19,871 INFO L138 BoogieDeclarations]: Found implementation of procedure m5632_recover [2020-08-28 04:48:19,871 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_prereset [2020-08-28 04:48:19,871 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_postreset [2020-08-28 04:48:19,871 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_subset_driver_init [2020-08-28 04:48:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_subset_driver_exit [2020-08-28 04:48:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-08-28 04:48:19,874 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-28 04:48:19,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2020-08-28 04:48:19,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2020-08-28 04:48:19,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2020-08-28 04:48:19,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_8 [2020-08-28 04:48:19,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-08-28 04:48:19,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2020-08-28 04:48:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_11 [2020-08-28 04:48:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_12 [2020-08-28 04:48:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_usb_unlock_device_13 [2020-08-28 04:48:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_14 [2020-08-28 04:48:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_15 [2020-08-28 04:48:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-08-28 04:48:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2020-08-28 04:48:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-08-28 04:48:19,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-08-28 04:48:19,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-08-28 04:48:19,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-08-28 04:48:19,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2020-08-28 04:48:19,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2020-08-28 04:48:19,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2020-08-28 04:48:19,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2020-08-28 04:48:19,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2020-08-28 04:48:19,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2020-08-28 04:48:19,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2020-08-28 04:48:19,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2020-08-28 04:48:19,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2020-08-28 04:48:19,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2020-08-28 04:48:19,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2020-08-28 04:48:19,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-08-28 04:48:19,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-08-28 04:48:19,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-08-28 04:48:19,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-08-28 04:48:19,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-08-28 04:48:19,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-08-28 04:48:19,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-08-28 04:48:19,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2020-08-28 04:48:19,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2020-08-28 04:48:19,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2020-08-28 04:48:19,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2020-08-28 04:48:19,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-08-28 04:48:19,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-08-28 04:48:19,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-08-28 04:48:19,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-08-28 04:48:19,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-08-28 04:48:19,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-08-28 04:48:19,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-08-28 04:48:19,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2020-08-28 04:48:19,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2020-08-28 04:48:19,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2020-08-28 04:48:19,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2020-08-28 04:48:19,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_udev [2020-08-28 04:48:19,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_udev [2020-08-28 04:48:19,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_udev [2020-08-28 04:48:19,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_udev [2020-08-28 04:48:19,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_udev [2020-08-28 04:48:19,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_udev [2020-08-28 04:48:19,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_udev [2020-08-28 04:48:19,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_udev [2020-08-28 04:48:19,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_udev [2020-08-28 04:48:19,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_udev [2020-08-28 04:48:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_udev [2020-08-28 04:48:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-08-28 04:48:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_usb_unlock_device [2020-08-28 04:48:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-08-28 04:48:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2020-08-28 04:48:19,891 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-08-28 04:48:19,891 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-08-28 04:48:19,892 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-08-28 04:48:19,892 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-08-28 04:48:19,892 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-08-28 04:48:19,892 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2020-08-28 04:48:19,893 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2020-08-28 04:48:19,893 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2020-08-28 04:48:19,893 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2020-08-28 04:48:19,893 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2020-08-28 04:48:19,893 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-08-28 04:48:19,894 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-08-28 04:48:19,894 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-08-28 04:48:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-28 04:48:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-08-28 04:48:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-08-28 04:48:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_8 [2020-08-28 04:48:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-08-28 04:48:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2020-08-28 04:48:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-08-28 04:48:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2020-08-28 04:48:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-28 04:48:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-08-28 04:48:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-28 04:48:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-08-28 04:48:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-28 04:48:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-08-28 04:48:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-08-28 04:48:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-28 04:48:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-08-28 04:48:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-08-28 04:48:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-08-28 04:48:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-08-28 04:48:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-08-28 04:48:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-08-28 04:48:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-08-28 04:48:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-08-28 04:48:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_usb_unlock_device [2020-08-28 04:48:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_usb_unlock_device_13 [2020-08-28 04:48:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-08-28 04:48:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2020-08-28 04:48:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2020-08-28 04:48:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_11 [2020-08-28 04:48:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2020-08-28 04:48:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2020-08-28 04:48:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-08-28 04:48:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-08-28 04:48:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-08-28 04:48:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-08-28 04:48:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-08-28 04:48:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_udev [2020-08-28 04:48:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_udev [2020-08-28 04:48:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-08-28 04:48:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_12 [2020-08-28 04:48:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2020-08-28 04:48:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-08-28 04:48:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_14 [2020-08-28 04:48:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-08-28 04:48:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_15 [2020-08-28 04:48:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2020-08-28 04:48:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2020-08-28 04:48:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2020-08-28 04:48:19,919 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2020-08-28 04:48:19,919 INFO L130 BoogieDeclarations]: Found specification of procedure always_connected [2020-08-28 04:48:19,919 INFO L130 BoogieDeclarations]: Found specification of procedure m5632_recover [2020-08-28 04:48:19,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-28 04:48:19,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-28 04:48:19,921 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_prereset [2020-08-28 04:48:19,921 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_postreset [2020-08-28 04:48:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_subset_driver_init [2020-08-28 04:48:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_subset_driver_exit [2020-08-28 04:48:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-08-28 04:48:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2020-08-28 04:48:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-08-28 04:48:19,923 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-28 04:48:19,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-28 04:48:19,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-28 04:48:19,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-08-28 04:48:19,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2020-08-28 04:48:19,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-08-28 04:48:19,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-08-28 04:48:19,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-08-28 04:48:19,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-08-28 04:48:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2020-08-28 04:48:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2020-08-28 04:48:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2020-08-28 04:48:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2020-08-28 04:48:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2020-08-28 04:48:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2020-08-28 04:48:19,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2020-08-28 04:48:19,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2020-08-28 04:48:19,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2020-08-28 04:48:19,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-08-28 04:48:19,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-08-28 04:48:19,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-08-28 04:48:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-08-28 04:48:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-08-28 04:48:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2020-08-28 04:48:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2020-08-28 04:48:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2020-08-28 04:48:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2020-08-28 04:48:19,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-08-28 04:48:19,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-08-28 04:48:19,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-08-28 04:48:19,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-08-28 04:48:19,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2020-08-28 04:48:19,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2020-08-28 04:48:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2020-08-28 04:48:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2020-08-28 04:48:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_udev [2020-08-28 04:48:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_udev [2020-08-28 04:48:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_udev [2020-08-28 04:48:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_udev [2020-08-28 04:48:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_udev [2020-08-28 04:48:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_udev [2020-08-28 04:48:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_udev [2020-08-28 04:48:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_udev [2020-08-28 04:48:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_udev [2020-08-28 04:48:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-28 04:48:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-08-28 04:48:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-28 04:48:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-28 04:48:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-08-28 04:48:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-28 04:48:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-28 04:48:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-28 04:48:20,567 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-08-28 04:48:22,577 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-28 04:48:22,577 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-28 04:48:22,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 04:48:22 BoogieIcfgContainer [2020-08-28 04:48:22,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-28 04:48:22,587 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-28 04:48:22,587 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-28 04:48:22,590 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-28 04:48:22,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.08 04:48:17" (1/3) ... [2020-08-28 04:48:22,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@581e1295 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 04:48:22, skipping insertion in model container [2020-08-28 04:48:22,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 04:48:19" (2/3) ... [2020-08-28 04:48:22,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@581e1295 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 04:48:22, skipping insertion in model container [2020-08-28 04:48:22,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 04:48:22" (3/3) ... [2020-08-28 04:48:22,595 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2020-08-28 04:48:22,608 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-28 04:48:22,621 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-28 04:48:22,646 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-28 04:48:22,681 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-28 04:48:22,681 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-28 04:48:22,681 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-28 04:48:22,681 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-28 04:48:22,681 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-28 04:48:22,682 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-28 04:48:22,682 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-28 04:48:22,682 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-28 04:48:22,718 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states. [2020-08-28 04:48:22,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-08-28 04:48:22,736 INFO L414 BasicCegarLoop]: Found error trace [2020-08-28 04:48:22,737 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-28 04:48:22,738 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-28 04:48:22,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-28 04:48:22,746 INFO L82 PathProgramCache]: Analyzing trace with hash -1903613762, now seen corresponding path program 1 times [2020-08-28 04:48:22,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-28 04:48:22,759 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1547995569] [2020-08-28 04:48:22,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-28 04:48:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-28 04:48:23,381 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-28 04:48:23,382 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Proof production must be enabled (you can do this via setOption). at de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:211) at de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:170) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-08-28 04:48:23,390 INFO L168 Benchmark]: Toolchain (without parser) took 6011.13 ms. Allocated memory was 139.5 MB in the beginning and 326.6 MB in the end (delta: 187.2 MB). Free memory was 94.1 MB in the beginning and 260.3 MB in the end (delta: -166.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2020-08-28 04:48:23,391 INFO L168 Benchmark]: CDTParser took 1.19 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-28 04:48:23,392 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2160.83 ms. Allocated memory was 139.5 MB in the beginning and 233.3 MB in the end (delta: 93.8 MB). Free memory was 93.6 MB in the beginning and 128.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 67.1 MB. Max. memory is 7.1 GB. [2020-08-28 04:48:23,393 INFO L168 Benchmark]: Boogie Preprocessor took 228.73 ms. Allocated memory is still 233.3 MB. Free memory was 128.9 MB in the beginning and 116.7 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2020-08-28 04:48:23,394 INFO L168 Benchmark]: RCFGBuilder took 2815.89 ms. Allocated memory was 233.3 MB in the beginning and 262.1 MB in the end (delta: 28.8 MB). Free memory was 116.7 MB in the beginning and 120.9 MB in the end (delta: -4.2 MB). Peak memory consumption was 67.8 MB. Max. memory is 7.1 GB. [2020-08-28 04:48:23,395 INFO L168 Benchmark]: TraceAbstraction took 799.75 ms. Allocated memory was 262.1 MB in the beginning and 326.6 MB in the end (delta: 64.5 MB). Free memory was 120.9 MB in the beginning and 260.3 MB in the end (delta: -139.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-28 04:48:23,399 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.19 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2160.83 ms. Allocated memory was 139.5 MB in the beginning and 233.3 MB in the end (delta: 93.8 MB). Free memory was 93.6 MB in the beginning and 128.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 67.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 228.73 ms. Allocated memory is still 233.3 MB. Free memory was 128.9 MB in the beginning and 116.7 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2815.89 ms. Allocated memory was 233.3 MB in the beginning and 262.1 MB in the end (delta: 28.8 MB). Free memory was 116.7 MB in the beginning and 120.9 MB in the end (delta: -4.2 MB). Peak memory consumption was 67.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 799.75 ms. Allocated memory was 262.1 MB in the beginning and 326.6 MB in the end (delta: 64.5 MB). Free memory was 120.9 MB in the beginning and 260.3 MB in the end (delta: -139.3 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Proof production must be enabled (you can do this via setOption). de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Proof production must be enabled (you can do this via setOption).: de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:211) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...