/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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 --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--gspca--gspca_main.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 16:41:51,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 16:41:51,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 16:41:51,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 16:41:51,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 16:41:51,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 16:41:51,711 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 16:41:51,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 16:41:51,720 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 16:41:51,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 16:41:51,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 16:41:51,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 16:41:51,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 16:41:51,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 16:41:51,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 16:41:51,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 16:41:51,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 16:41:51,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 16:41:51,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 16:41:51,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 16:41:51,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 16:41:51,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 16:41:51,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 16:41:51,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 16:41:51,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-29 16:41:51,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 16:41:51,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 16:41:51,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 16:41:51,807 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 [2020-10-29 16:41:51,859 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 16:41:51,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 16:41:51,863 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 16:41:51,863 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 16:41:51,864 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 16:41:51,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 16:41:51,864 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 16:41:51,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 16:41:51,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 16:41:51,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 16:41:51,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 16:41:51,866 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 16:41:51,867 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 16:41:51,867 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 16:41:51,867 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 16:41:51,867 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 16:41:51,867 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 16:41:51,868 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 16:41:51,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 16:41:51,868 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 16:41:51,868 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 16:41:51,868 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 16:41:51,869 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 16:41:51,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 16:41:51,869 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 16:41:51,870 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 16:41:51,870 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-29 16:41:51,870 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 16:41:52,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 16:41:52,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 16:41:52,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 16:41:52,348 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 16:41:52,349 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 16:41:52,350 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--gspca--gspca_main.ko-entry_point.cil.out.i [2020-10-29 16:41:52,446 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4ba19a714/500e6cccdfa942ceb81747c9e757d573/FLAGc120e221e [2020-10-29 16:41:53,512 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 16:41:53,513 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--gspca--gspca_main.ko-entry_point.cil.out.i [2020-10-29 16:41:53,564 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4ba19a714/500e6cccdfa942ceb81747c9e757d573/FLAGc120e221e [2020-10-29 16:41:53,961 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4ba19a714/500e6cccdfa942ceb81747c9e757d573 [2020-10-29 16:41:53,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 16:41:53,975 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 16:41:53,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 16:41:53,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 16:41:53,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 16:41:53,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:41:53" (1/1) ... [2020-10-29 16:41:53,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59d3fcdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:53, skipping insertion in model container [2020-10-29 16:41:53,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:41:53" (1/1) ... [2020-10-29 16:41:53,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 16:41:54,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 16:41:54,746 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4482] [2020-10-29 16:41:56,071 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-10-29 16:41:56,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2fe1ca52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:41:56, skipping insertion in model container [2020-10-29 16:41:56,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 16:41:56,075 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-29 16:41:56,078 INFO L168 Benchmark]: Toolchain (without parser) took 2109.28 ms. Allocated memory is still 157.3 MB. Free memory was 121.0 MB in the beginning and 82.6 MB in the end (delta: 38.4 MB). Peak memory consumption was 39.9 MB. Max. memory is 8.0 GB. [2020-10-29 16:41:56,078 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 157.3 MB. Free memory is still 131.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 16:41:56,084 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2095.38 ms. Allocated memory is still 157.3 MB. Free memory was 120.4 MB in the beginning and 83.1 MB in the end (delta: 37.3 MB). Peak memory consumption was 37.8 MB. Max. memory is 8.0 GB. [2020-10-29 16:41:56,086 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 157.3 MB. Free memory is still 131.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 2095.38 ms. Allocated memory is still 157.3 MB. Free memory was 120.4 MB in the beginning and 83.1 MB in the end (delta: 37.3 MB). Peak memory consumption was 37.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6677]: Unsupported Syntax we need to generalize this to nested and/or variable length arrays RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...