/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=SHALLOWEST --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 [2020-10-27 08:40:00,409 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 08:40:00,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 08:40:00,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 08:40:00,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 08:40:00,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 08:40:00,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 08:40:00,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 08:40:00,484 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 08:40:00,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 08:40:00,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 08:40:00,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 08:40:00,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 08:40:00,497 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 08:40:00,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 08:40:00,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 08:40:00,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 08:40:00,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 08:40:00,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 08:40:00,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 08:40:00,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 08:40:00,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 08:40:00,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 08:40:00,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 08:40:00,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-27 08:40:00,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 08:40:00,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 08:40:00,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 08:40:00,602 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 [2020-10-27 08:40:00,651 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 08:40:00,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 08:40:00,655 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 08:40:00,655 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 08:40:00,656 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 08:40:00,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 08:40:00,656 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 08:40:00,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 08:40:00,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 08:40:00,657 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 08:40:00,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 08:40:00,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 08:40:00,658 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 08:40:00,658 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 08:40:00,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 08:40:00,659 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 08:40:00,659 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 08:40:00,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 08:40:00,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 08:40:00,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 08:40:00,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 08:40:00,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 08:40:00,660 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 08:40:00,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 08:40:00,660 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 08:40:00,661 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 08:40:00,661 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-27 08:40:00,661 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 08:40:01,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 08:40:01,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 08:40:01,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 08:40:01,140 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 08:40:01,140 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 08:40:01,141 INFO L432 ainManager$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 [2020-10-27 08:40:01,224 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5b3c6647d/670658d985f04aea8410e025bd3cf9cb/FLAGf4d3ee4a7 [2020-10-27 08:40:02,313 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 08:40:02,314 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 [2020-10-27 08:40:02,358 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5b3c6647d/670658d985f04aea8410e025bd3cf9cb/FLAGf4d3ee4a7 [2020-10-27 08:40:02,746 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5b3c6647d/670658d985f04aea8410e025bd3cf9cb [2020-10-27 08:40:02,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 08:40:02,755 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 08:40:02,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 08:40:02,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 08:40:02,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 08:40:02,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:40:02" (1/1) ... [2020-10-27 08:40:02,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@406b8eb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:40:02, skipping insertion in model container [2020-10-27 08:40:02,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:40:02" (1/1) ... [2020-10-27 08:40:02,778 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 08:40:02,946 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 08:40:03,586 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4482] [2020-10-27 08:40:04,888 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-10-27 08:40:04,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3a39adf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:40:04, skipping insertion in model container [2020-10-27 08:40:04,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 08:40:04,891 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-27 08:40:04,895 INFO L168 Benchmark]: Toolchain (without parser) took 2141.34 ms. Allocated memory is still 152.0 MB. Free memory was 125.7 MB in the beginning and 85.0 MB in the end (delta: 40.7 MB). Peak memory consumption was 41.2 MB. Max. memory is 8.0 GB. [2020-10-27 08:40:04,897 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 152.0 MB. Free memory is still 124.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 08:40:04,901 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2133.79 ms. Allocated memory is still 152.0 MB. Free memory was 124.8 MB in the beginning and 85.0 MB in the end (delta: 39.8 MB). Peak memory consumption was 40.1 MB. Max. memory is 8.0 GB. [2020-10-27 08:40:04,904 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 152.0 MB. Free memory is still 124.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 2133.79 ms. Allocated memory is still 152.0 MB. Free memory was 124.8 MB in the beginning and 85.0 MB in the end (delta: 39.8 MB). Peak memory consumption was 40.1 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...