/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 interpolation-heuristic=FIRST --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-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-89f541c [2020-08-27 23:15:51,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-27 23:15:51,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-27 23:15:51,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-27 23:15:51,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-27 23:15:51,573 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-27 23:15:51,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-27 23:15:51,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-27 23:15:51,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-27 23:15:51,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-27 23:15:51,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-27 23:15:51,589 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-27 23:15:51,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-27 23:15:51,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-27 23:15:51,595 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-27 23:15:51,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-27 23:15:51,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-27 23:15:51,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-27 23:15:51,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-27 23:15:51,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-27 23:15:51,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-27 23:15:51,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-27 23:15:51,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-27 23:15:51,619 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-27 23:15:51,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-27 23:15:51,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-27 23:15:51,631 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-27 23:15:51,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-27 23:15:51,638 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-27 23:15:51,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-27 23:15:51,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-27 23:15:51,640 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-27 23:15:51,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-27 23:15:51,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-27 23:15:51,647 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-27 23:15:51,650 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-27 23:15:51,651 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-27 23:15:51,651 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-27 23:15:51,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-27 23:15:51,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-27 23:15:51,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-27 23:15:51,657 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 [2020-08-27 23:15:51,699 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-27 23:15:51,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-27 23:15:51,702 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-27 23:15:51,702 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-27 23:15:51,702 INFO L138 SettingsManager]: * Use SBE=true [2020-08-27 23:15:51,703 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-27 23:15:51,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-27 23:15:51,703 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-27 23:15:51,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-27 23:15:51,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-27 23:15:51,705 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-27 23:15:51,705 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-27 23:15:51,705 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-27 23:15:51,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-27 23:15:51,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-27 23:15:51,706 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-27 23:15:51,706 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-27 23:15:51,707 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-27 23:15:51,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-27 23:15:51,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-27 23:15:51,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-27 23:15:51,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-27 23:15:51,708 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-27 23:15:51,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-27 23:15:51,708 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-27 23:15:51,709 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-27 23:15:51,709 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-27 23:15:51,709 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 -> interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> interpolation-heuristic=FIRST;log-additional-information=true; [2020-08-27 23:15:52,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-27 23:15:52,201 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-27 23:15:52,206 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-27 23:15:52,208 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-27 23:15:52,208 INFO L275 PluginConnector]: CDTParser initialized [2020-08-27 23:15:52,209 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2020-08-27 23:15:52,282 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fb09db621/56c94bdd015043e0931b56b356e0843f/FLAG5d406be19 [2020-08-27 23:15:53,206 INFO L306 CDTParser]: Found 1 translation units. [2020-08-27 23:15:53,207 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2020-08-27 23:15:53,269 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fb09db621/56c94bdd015043e0931b56b356e0843f/FLAG5d406be19 [2020-08-27 23:15:53,683 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fb09db621/56c94bdd015043e0931b56b356e0843f [2020-08-27 23:15:53,695 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-27 23:15:53,698 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-27 23:15:53,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-27 23:15:53,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-27 23:15:53,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-27 23:15:53,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 11:15:53" (1/1) ... [2020-08-27 23:15:53,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6142a610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:15:53, skipping insertion in model container [2020-08-27 23:15:53,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 11:15:53" (1/1) ... [2020-08-27 23:15:53,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-27 23:15:53,858 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-27 23:15:55,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-27 23:15:55,356 INFO L203 MainTranslator]: Completed pre-run [2020-08-27 23:15:55,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-27 23:15:55,757 INFO L208 MainTranslator]: Completed translation [2020-08-27 23:15:55,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:15:55 WrapperNode [2020-08-27 23:15:55,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-27 23:15:55,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-27 23:15:55,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-27 23:15:55,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-27 23:15:55,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:15:55" (1/1) ... [2020-08-27 23:15:55,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:15:55" (1/1) ... [2020-08-27 23:15:55,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:15:55" (1/1) ... [2020-08-27 23:15:55,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:15:55" (1/1) ... [2020-08-27 23:15:56,004 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:15:55" (1/1) ... [2020-08-27 23:15:56,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:15:55" (1/1) ... [2020-08-27 23:15:56,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:15:55" (1/1) ... [2020-08-27 23:15:56,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-27 23:15:56,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-27 23:15:56,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-27 23:15:56,069 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-27 23:15:56,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:15:55" (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 [2020-08-27 23:15:56,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-27 23:15:56,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-27 23:15:56,162 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2020-08-27 23:15:56,162 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2020-08-27 23:15:56,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2020-08-27 23:15:56,163 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2020-08-27 23:15:56,164 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2020-08-27 23:15:56,165 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-08-27 23:15:56,165 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-08-27 23:15:56,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-08-27 23:15:56,165 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-08-27 23:15:56,166 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-08-27 23:15:56,167 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-08-27 23:15:56,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-08-27 23:15:56,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-08-27 23:15:56,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-08-27 23:15:56,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-08-27 23:15:56,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-08-27 23:15:56,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-08-27 23:15:56,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-08-27 23:15:56,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-08-27 23:15:56,170 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-08-27 23:15:56,171 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-08-27 23:15:56,171 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_probe [2020-08-27 23:15:56,171 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mirror [2020-08-27 23:15:56,171 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_found [2020-08-27 23:15:56,171 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_command [2020-08-27 23:15:56,172 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_status [2020-08-27 23:15:56,172 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_setmask [2020-08-27 23:15:56,172 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_reset [2020-08-27 23:15:56,172 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_to_card [2020-08-27 23:15:56,172 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_from_card [2020-08-27 23:15:56,173 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_init [2020-08-27 23:15:56,173 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_exit [2020-08-27 23:15:56,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2020-08-27 23:15:56,173 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2020-08-27 23:15:56,174 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2020-08-27 23:15:56,174 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2020-08-27 23:15:56,174 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2020-08-27 23:15:56,174 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-27 23:15:56,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-08-27 23:15:56,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-08-27 23:15:56,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-08-27 23:15:56,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-08-27 23:15:56,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-08-27 23:15:56,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_12 [2020-08-27 23:15:56,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_13 [2020-08-27 23:15:56,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_14 [2020-08-27 23:15:56,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-08-27 23:15:56,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-08-27 23:15:56,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-08-27 23:15:56,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-08-27 23:15:56,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-08-27 23:15:56,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-08-27 23:15:56,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-08-27 23:15:56,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-08-27 23:15:56,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-08-27 23:15:56,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-08-27 23:15:56,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-08-27 23:15:56,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-08-27 23:15:56,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-08-27 23:15:56,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-08-27 23:15:56,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-08-27 23:15:56,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-08-27 23:15:56,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-08-27 23:15:56,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-08-27 23:15:56,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-08-27 23:15:56,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-08-27 23:15:56,181 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_arcdev [2020-08-27 23:15:56,181 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_interrupt [2020-08-27 23:15:56,181 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-08-27 23:15:56,181 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-08-27 23:15:56,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2020-08-27 23:15:56,182 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2020-08-27 23:15:56,183 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-08-27 23:15:56,183 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_off [2020-08-27 23:15:56,183 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_on [2020-08-27 23:15:56,183 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2020-08-27 23:15:56,184 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2020-08-27 23:15:56,184 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-08-27 23:15:56,185 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-08-27 23:15:56,185 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-08-27 23:15:56,185 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-08-27 23:15:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-27 23:15:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-08-27 23:15:56,186 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-08-27 23:15:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-08-27 23:15:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-08-27 23:15:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2020-08-27 23:15:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2020-08-27 23:15:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2020-08-27 23:15:56,187 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2020-08-27 23:15:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-08-27 23:15:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2020-08-27 23:15:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2020-08-27 23:15:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-08-27 23:15:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2020-08-27 23:15:56,189 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-08-27 23:15:56,189 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-08-27 23:15:56,189 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-08-27 23:15:56,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-08-27 23:15:56,190 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-08-27 23:15:56,190 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-08-27 23:15:56,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-08-27 23:15:56,190 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-08-27 23:15:56,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-08-27 23:15:56,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-08-27 23:15:56,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-08-27 23:15:56,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-08-27 23:15:56,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-08-27 23:15:56,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-08-27 23:15:56,192 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-27 23:15:56,192 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-08-27 23:15:56,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-27 23:15:56,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-08-27 23:15:56,192 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-27 23:15:56,193 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-08-27 23:15:56,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-27 23:15:56,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-08-27 23:15:56,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-08-27 23:15:56,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-08-27 23:15:56,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-08-27 23:15:56,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-08-27 23:15:56,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-08-27 23:15:56,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2020-08-27 23:15:56,196 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2020-08-27 23:15:56,196 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2020-08-27 23:15:56,196 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2020-08-27 23:15:56,197 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2020-08-27 23:15:56,197 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2020-08-27 23:15:56,197 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-08-27 23:15:56,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_12 [2020-08-27 23:15:56,198 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-08-27 23:15:56,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_13 [2020-08-27 23:15:56,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_14 [2020-08-27 23:15:56,202 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2020-08-27 23:15:56,202 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2020-08-27 23:15:56,202 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-08-27 23:15:56,202 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-08-27 23:15:56,203 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-08-27 23:15:56,203 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2020-08-27 23:15:56,204 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-08-27 23:15:56,204 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_interrupt [2020-08-27 23:15:56,204 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_arcdev [2020-08-27 23:15:56,205 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_found [2020-08-27 23:15:56,212 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_command [2020-08-27 23:15:56,212 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_status [2020-08-27 23:15:56,213 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_setmask [2020-08-27 23:15:56,213 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_reset [2020-08-27 23:15:56,213 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_to_card [2020-08-27 23:15:56,213 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_from_card [2020-08-27 23:15:56,213 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_probe [2020-08-27 23:15:56,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-27 23:15:56,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-27 23:15:56,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-27 23:15:56,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-27 23:15:56,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-27 23:15:56,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-27 23:15:56,216 INFO L130 BoogieDeclarations]: Found specification of procedure check_mirror [2020-08-27 23:15:56,216 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_init [2020-08-27 23:15:56,216 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_exit [2020-08-27 23:15:56,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-08-27 23:15:56,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-08-27 23:15:56,217 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-27 23:15:56,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-08-27 23:15:56,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-08-27 23:15:56,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-08-27 23:15:56,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-08-27 23:15:56,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-08-27 23:15:56,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-08-27 23:15:56,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-08-27 23:15:56,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-08-27 23:15:56,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-08-27 23:15:56,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-08-27 23:15:56,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-08-27 23:15:56,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-08-27 23:15:56,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-08-27 23:15:56,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-08-27 23:15:56,220 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-27 23:15:56,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-27 23:15:56,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-27 23:15:56,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-27 23:15:56,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-08-27 23:15:56,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-08-27 23:15:56,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-08-27 23:15:56,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-08-27 23:15:57,151 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-08-27 23:16:00,898 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-27 23:16:00,898 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-27 23:16:00,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 11:16:00 BoogieIcfgContainer [2020-08-27 23:16:00,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-27 23:16:00,914 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-27 23:16:00,914 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-27 23:16:00,918 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-27 23:16:00,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 11:15:53" (1/3) ... [2020-08-27 23:16:00,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be9b4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 11:16:00, skipping insertion in model container [2020-08-27 23:16:00,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:15:55" (2/3) ... [2020-08-27 23:16:00,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be9b4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 11:16:00, skipping insertion in model container [2020-08-27 23:16:00,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 11:16:00" (3/3) ... [2020-08-27 23:16:00,922 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2020-08-27 23:16:00,935 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-27 23:16:00,947 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-27 23:16:00,971 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-27 23:16:01,011 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-27 23:16:01,012 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-27 23:16:01,012 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-27 23:16:01,012 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-27 23:16:01,012 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-27 23:16:01,012 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-27 23:16:01,012 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-27 23:16:01,013 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-27 23:16:01,059 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states. [2020-08-27 23:16:01,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-08-27 23:16:01,073 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 23:16:01,074 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-27 23:16:01,075 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 23:16:01,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 23:16:01,083 INFO L82 PathProgramCache]: Analyzing trace with hash -337560205, now seen corresponding path program 1 times [2020-08-27 23:16:01,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 23:16:01,095 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [559367811] [2020-08-27 23:16:01,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 23:16:01,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 23:16:01,735 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-27 23:16:01,736 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) [2020-08-27 23:16:01,744 INFO L168 Benchmark]: Toolchain (without parser) took 8045.21 ms. Allocated memory was 141.0 MB in the beginning and 343.9 MB in the end (delta: 202.9 MB). Free memory was 95.5 MB in the beginning and 176.0 MB in the end (delta: -80.4 MB). Peak memory consumption was 122.5 MB. Max. memory is 7.1 GB. [2020-08-27 23:16:01,745 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-27 23:16:01,746 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2061.29 ms. Allocated memory was 141.0 MB in the beginning and 227.5 MB in the end (delta: 86.5 MB). Free memory was 95.3 MB in the beginning and 121.4 MB in the end (delta: -26.1 MB). Peak memory consumption was 68.9 MB. Max. memory is 7.1 GB. [2020-08-27 23:16:01,747 INFO L168 Benchmark]: Boogie Preprocessor took 307.10 ms. Allocated memory is still 227.5 MB. Free memory was 121.4 MB in the beginning and 110.2 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2020-08-27 23:16:01,748 INFO L168 Benchmark]: RCFGBuilder took 4843.69 ms. Allocated memory was 227.5 MB in the beginning and 343.9 MB in the end (delta: 116.4 MB). Free memory was 110.2 MB in the beginning and 220.3 MB in the end (delta: -110.1 MB). Peak memory consumption was 70.8 MB. Max. memory is 7.1 GB. [2020-08-27 23:16:01,749 INFO L168 Benchmark]: TraceAbstraction took 826.13 ms. Allocated memory is still 343.9 MB. Free memory was 220.3 MB in the beginning and 176.0 MB in the end (delta: 44.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 7.1 GB. [2020-08-27 23:16:01,753 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2061.29 ms. Allocated memory was 141.0 MB in the beginning and 227.5 MB in the end (delta: 86.5 MB). Free memory was 95.3 MB in the beginning and 121.4 MB in the end (delta: -26.1 MB). Peak memory consumption was 68.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 307.10 ms. Allocated memory is still 227.5 MB. Free memory was 121.4 MB in the beginning and 110.2 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4843.69 ms. Allocated memory was 227.5 MB in the beginning and 343.9 MB in the end (delta: 116.4 MB). Free memory was 110.2 MB in the beginning and 220.3 MB in the end (delta: -110.1 MB). Peak memory consumption was 70.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 826.13 ms. Allocated memory is still 343.9 MB. Free memory was 220.3 MB in the beginning and 176.0 MB in the end (delta: 44.4 MB). Peak memory consumption was 44.4 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...