/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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --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 00:03:37,435 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-28 00:03:37,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-28 00:03:37,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-28 00:03:37,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-28 00:03:37,496 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-28 00:03:37,499 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-28 00:03:37,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-28 00:03:37,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-28 00:03:37,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-28 00:03:37,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-28 00:03:37,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-28 00:03:37,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-28 00:03:37,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-28 00:03:37,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-28 00:03:37,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-28 00:03:37,523 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-28 00:03:37,524 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-28 00:03:37,526 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-28 00:03:37,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-28 00:03:37,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-28 00:03:37,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-28 00:03:37,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-28 00:03:37,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-28 00:03:37,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-28 00:03:37,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-28 00:03:37,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-28 00:03:37,561 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-28 00:03:37,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-28 00:03:37,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-28 00:03:37,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-28 00:03:37,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-28 00:03:37,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-28 00:03:37,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-28 00:03:37,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-28 00:03:37,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-28 00:03:37,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-28 00:03:37,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-28 00:03:37,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-28 00:03:37,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-28 00:03:37,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-28 00:03:37,577 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 00:03:37,621 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-28 00:03:37,622 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-28 00:03:37,624 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-28 00:03:37,624 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-28 00:03:37,625 INFO L138 SettingsManager]: * Use SBE=true [2020-08-28 00:03:37,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-28 00:03:37,625 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-28 00:03:37,626 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-28 00:03:37,626 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-28 00:03:37,626 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-28 00:03:37,627 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-28 00:03:37,627 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-28 00:03:37,627 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-28 00:03:37,628 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-28 00:03:37,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-28 00:03:37,628 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-28 00:03:37,629 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-28 00:03:37,629 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-28 00:03:37,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-28 00:03:37,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-28 00:03:37,629 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-28 00:03:37,630 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-28 00:03:37,630 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-28 00:03:37,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-28 00:03:37,630 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-28 00:03:37,630 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-28 00:03:37,631 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-28 00:03:37,631 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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-08-28 00:03:38,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-28 00:03:38,119 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-28 00:03:38,125 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-28 00:03:38,127 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-28 00:03:38,127 INFO L275 PluginConnector]: CDTParser initialized [2020-08-28 00:03:38,129 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2020-08-28 00:03:38,215 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0b3cfa3ee/713f9bcdadb5485e9ce770071a49708d/FLAGee820147f [2020-08-28 00:03:39,090 INFO L306 CDTParser]: Found 1 translation units. [2020-08-28 00:03:39,091 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2020-08-28 00:03:39,136 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0b3cfa3ee/713f9bcdadb5485e9ce770071a49708d/FLAGee820147f [2020-08-28 00:03:39,616 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0b3cfa3ee/713f9bcdadb5485e9ce770071a49708d [2020-08-28 00:03:39,632 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-28 00:03:39,635 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-28 00:03:39,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-28 00:03:39,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-28 00:03:39,642 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-28 00:03:39,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 12:03:39" (1/1) ... [2020-08-28 00:03:39,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48b302c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 12:03:39, skipping insertion in model container [2020-08-28 00:03:39,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 12:03:39" (1/1) ... [2020-08-28 00:03:39,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-28 00:03:39,803 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-28 00:03:41,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-28 00:03:41,166 INFO L203 MainTranslator]: Completed pre-run [2020-08-28 00:03:41,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-28 00:03:41,465 INFO L208 MainTranslator]: Completed translation [2020-08-28 00:03:41,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 12:03:41 WrapperNode [2020-08-28 00:03:41,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-28 00:03:41,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-28 00:03:41,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-28 00:03:41,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-28 00:03:41,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 12:03:41" (1/1) ... [2020-08-28 00:03:41,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 12:03:41" (1/1) ... [2020-08-28 00:03:41,535 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 12:03:41" (1/1) ... [2020-08-28 00:03:41,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 12:03:41" (1/1) ... [2020-08-28 00:03:41,649 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 12:03:41" (1/1) ... [2020-08-28 00:03:41,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 12:03:41" (1/1) ... [2020-08-28 00:03:41,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 12:03:41" (1/1) ... [2020-08-28 00:03:41,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-28 00:03:41,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-28 00:03:41,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-28 00:03:41,734 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-28 00:03:41,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 12:03:41" (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 00:03:41,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-28 00:03:41,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-28 00:03:41,844 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-08-28 00:03:41,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-08-28 00:03:41,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-08-28 00:03:41,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-08-28 00:03:41,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-08-28 00:03:41,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-08-28 00:03:41,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-08-28 00:03:41,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-08-28 00:03:41,848 INFO L138 BoogieDeclarations]: Found implementation of procedure always_connected [2020-08-28 00:03:41,849 INFO L138 BoogieDeclarations]: Found implementation of procedure m5632_recover [2020-08-28 00:03:41,850 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_prereset [2020-08-28 00:03:41,850 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_postreset [2020-08-28 00:03:41,850 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_subset_driver_init [2020-08-28 00:03:41,850 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_subset_driver_exit [2020-08-28 00:03:41,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-08-28 00:03:41,856 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-28 00:03:41,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2020-08-28 00:03:41,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2020-08-28 00:03:41,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2020-08-28 00:03:41,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_8 [2020-08-28 00:03:41,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-08-28 00:03:41,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2020-08-28 00:03:41,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_11 [2020-08-28 00:03:41,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_12 [2020-08-28 00:03:41,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_usb_unlock_device_13 [2020-08-28 00:03:41,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_14 [2020-08-28 00:03:41,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_15 [2020-08-28 00:03:41,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-08-28 00:03:41,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2020-08-28 00:03:41,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-08-28 00:03:41,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-08-28 00:03:41,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-08-28 00:03:41,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-08-28 00:03:41,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2020-08-28 00:03:41,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2020-08-28 00:03:41,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2020-08-28 00:03:41,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2020-08-28 00:03:41,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2020-08-28 00:03:41,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2020-08-28 00:03:41,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2020-08-28 00:03:41,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2020-08-28 00:03:41,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2020-08-28 00:03:41,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2020-08-28 00:03:41,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2020-08-28 00:03:41,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-08-28 00:03:41,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-08-28 00:03:41,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-08-28 00:03:41,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-08-28 00:03:41,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-08-28 00:03:41,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-08-28 00:03:41,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-08-28 00:03:41,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2020-08-28 00:03:41,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2020-08-28 00:03:41,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2020-08-28 00:03:41,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2020-08-28 00:03:41,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-08-28 00:03:41,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-08-28 00:03:41,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-08-28 00:03:41,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-08-28 00:03:41,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-08-28 00:03:41,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-08-28 00:03:41,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-08-28 00:03:41,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2020-08-28 00:03:41,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2020-08-28 00:03:41,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2020-08-28 00:03:41,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2020-08-28 00:03:41,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_udev [2020-08-28 00:03:41,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_udev [2020-08-28 00:03:41,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_udev [2020-08-28 00:03:41,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_udev [2020-08-28 00:03:41,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_udev [2020-08-28 00:03:41,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_udev [2020-08-28 00:03:41,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_udev [2020-08-28 00:03:41,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_udev [2020-08-28 00:03:41,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_udev [2020-08-28 00:03:41,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_udev [2020-08-28 00:03:41,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_udev [2020-08-28 00:03:41,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-08-28 00:03:41,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_usb_unlock_device [2020-08-28 00:03:41,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-08-28 00:03:41,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2020-08-28 00:03:41,877 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-08-28 00:03:41,879 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-08-28 00:03:41,879 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-08-28 00:03:41,880 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-08-28 00:03:41,880 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-08-28 00:03:41,880 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2020-08-28 00:03:41,880 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2020-08-28 00:03:41,881 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2020-08-28 00:03:41,881 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2020-08-28 00:03:41,881 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2020-08-28 00:03:41,881 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-08-28 00:03:41,881 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-08-28 00:03:41,882 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-08-28 00:03:41,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-28 00:03:41,882 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-08-28 00:03:41,882 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-08-28 00:03:41,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_8 [2020-08-28 00:03:41,883 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-08-28 00:03:41,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2020-08-28 00:03:41,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-08-28 00:03:41,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2020-08-28 00:03:41,883 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-28 00:03:41,883 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-08-28 00:03:41,884 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-28 00:03:41,884 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-08-28 00:03:41,884 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-28 00:03:41,884 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-08-28 00:03:41,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-08-28 00:03:41,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-28 00:03:41,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-08-28 00:03:41,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-08-28 00:03:41,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-08-28 00:03:41,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-08-28 00:03:41,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-08-28 00:03:41,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-08-28 00:03:41,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-08-28 00:03:41,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-08-28 00:03:41,887 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_usb_unlock_device [2020-08-28 00:03:41,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_usb_unlock_device_13 [2020-08-28 00:03:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-08-28 00:03:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2020-08-28 00:03:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2020-08-28 00:03:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_11 [2020-08-28 00:03:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2020-08-28 00:03:41,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2020-08-28 00:03:41,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-08-28 00:03:41,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-08-28 00:03:41,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-08-28 00:03:41,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-08-28 00:03:41,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-08-28 00:03:41,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_udev [2020-08-28 00:03:41,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_udev [2020-08-28 00:03:41,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-08-28 00:03:41,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_12 [2020-08-28 00:03:41,898 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2020-08-28 00:03:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-08-28 00:03:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_14 [2020-08-28 00:03:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-08-28 00:03:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_15 [2020-08-28 00:03:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2020-08-28 00:03:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2020-08-28 00:03:41,901 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2020-08-28 00:03:41,907 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2020-08-28 00:03:41,908 INFO L130 BoogieDeclarations]: Found specification of procedure always_connected [2020-08-28 00:03:41,908 INFO L130 BoogieDeclarations]: Found specification of procedure m5632_recover [2020-08-28 00:03:41,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-28 00:03:41,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-28 00:03:41,908 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_prereset [2020-08-28 00:03:41,908 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_postreset [2020-08-28 00:03:41,909 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_subset_driver_init [2020-08-28 00:03:41,910 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_subset_driver_exit [2020-08-28 00:03:41,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-08-28 00:03:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2020-08-28 00:03:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-08-28 00:03:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-28 00:03:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-28 00:03:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-28 00:03:41,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-08-28 00:03:41,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2020-08-28 00:03:41,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-08-28 00:03:41,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-08-28 00:03:41,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-08-28 00:03:41,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-08-28 00:03:41,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2020-08-28 00:03:41,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2020-08-28 00:03:41,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2020-08-28 00:03:41,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2020-08-28 00:03:41,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2020-08-28 00:03:41,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2020-08-28 00:03:41,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2020-08-28 00:03:41,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2020-08-28 00:03:41,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2020-08-28 00:03:41,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-08-28 00:03:41,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-08-28 00:03:41,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-08-28 00:03:41,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-08-28 00:03:41,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-08-28 00:03:41,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2020-08-28 00:03:41,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2020-08-28 00:03:41,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2020-08-28 00:03:41,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2020-08-28 00:03:41,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-08-28 00:03:41,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-08-28 00:03:41,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-08-28 00:03:41,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-08-28 00:03:41,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2020-08-28 00:03:41,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2020-08-28 00:03:41,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2020-08-28 00:03:41,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2020-08-28 00:03:41,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_udev [2020-08-28 00:03:41,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_udev [2020-08-28 00:03:41,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_udev [2020-08-28 00:03:41,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_udev [2020-08-28 00:03:41,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_udev [2020-08-28 00:03:41,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_udev [2020-08-28 00:03:41,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_udev [2020-08-28 00:03:41,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_udev [2020-08-28 00:03:41,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_udev [2020-08-28 00:03:41,919 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-28 00:03:41,919 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-08-28 00:03:41,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-28 00:03:41,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-28 00:03:41,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-08-28 00:03:41,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-28 00:03:41,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-28 00:03:41,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-28 00:03:42,621 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-08-28 00:03:44,715 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-28 00:03:44,715 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-28 00:03:44,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 12:03:44 BoogieIcfgContainer [2020-08-28 00:03:44,724 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-28 00:03:44,725 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-28 00:03:44,726 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-28 00:03:44,730 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-28 00:03:44,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.08 12:03:39" (1/3) ... [2020-08-28 00:03:44,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a971ce3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 12:03:44, skipping insertion in model container [2020-08-28 00:03:44,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 12:03:41" (2/3) ... [2020-08-28 00:03:44,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a971ce3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 12:03:44, skipping insertion in model container [2020-08-28 00:03:44,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 12:03:44" (3/3) ... [2020-08-28 00:03:44,735 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 00:03:44,749 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-28 00:03:44,762 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-28 00:03:44,787 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-28 00:03:44,825 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-28 00:03:44,826 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-28 00:03:44,826 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-28 00:03:44,826 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-28 00:03:44,826 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-28 00:03:44,827 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-28 00:03:44,827 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-28 00:03:44,827 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-28 00:03:44,864 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states. [2020-08-28 00:03:44,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-08-28 00:03:44,881 INFO L414 BasicCegarLoop]: Found error trace [2020-08-28 00:03:44,883 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 00:03:44,883 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-28 00:03:44,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-28 00:03:44,891 INFO L82 PathProgramCache]: Analyzing trace with hash -1903613762, now seen corresponding path program 1 times [2020-08-28 00:03:44,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-28 00:03:44,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [890925209] [2020-08-28 00:03:44,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-28 00:03:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-28 00:03:45,458 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-28 00:03:45,459 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 00:03:45,472 INFO L168 Benchmark]: Toolchain (without parser) took 5835.65 ms. Allocated memory was 136.8 MB in the beginning and 273.2 MB in the end (delta: 136.3 MB). Free memory was 91.4 MB in the beginning and 93.4 MB in the end (delta: -2.0 MB). Peak memory consumption was 134.3 MB. Max. memory is 7.1 GB. [2020-08-28 00:03:45,473 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 136.8 MB. Free memory was 118.4 MB in the beginning and 118.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-28 00:03:45,474 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1831.78 ms. Allocated memory was 136.8 MB in the beginning and 220.7 MB in the end (delta: 83.9 MB). Free memory was 91.0 MB in the beginning and 111.5 MB in the end (delta: -20.5 MB). Peak memory consumption was 72.0 MB. Max. memory is 7.1 GB. [2020-08-28 00:03:45,474 INFO L168 Benchmark]: Boogie Preprocessor took 264.81 ms. Allocated memory is still 220.7 MB. Free memory was 111.5 MB in the beginning and 95.8 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2020-08-28 00:03:45,475 INFO L168 Benchmark]: RCFGBuilder took 2990.84 ms. Allocated memory was 220.7 MB in the beginning and 273.2 MB in the end (delta: 52.4 MB). Free memory was 95.8 MB in the beginning and 147.5 MB in the end (delta: -51.7 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. [2020-08-28 00:03:45,476 INFO L168 Benchmark]: TraceAbstraction took 742.13 ms. Allocated memory is still 273.2 MB. Free memory was 147.5 MB in the beginning and 93.4 MB in the end (delta: 54.0 MB). Peak memory consumption was 54.0 MB. Max. memory is 7.1 GB. [2020-08-28 00:03:45,480 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 136.8 MB. Free memory was 118.4 MB in the beginning and 118.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1831.78 ms. Allocated memory was 136.8 MB in the beginning and 220.7 MB in the end (delta: 83.9 MB). Free memory was 91.0 MB in the beginning and 111.5 MB in the end (delta: -20.5 MB). Peak memory consumption was 72.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 264.81 ms. Allocated memory is still 220.7 MB. Free memory was 111.5 MB in the beginning and 95.8 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2990.84 ms. Allocated memory was 220.7 MB in the beginning and 273.2 MB in the end (delta: 52.4 MB). Free memory was 95.8 MB in the beginning and 147.5 MB in the end (delta: -51.7 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 742.13 ms. Allocated memory is still 273.2 MB. Free memory was 147.5 MB in the beginning and 93.4 MB in the end (delta: 54.0 MB). Peak memory consumption was 54.0 MB. 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...