/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=5 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 22:27:51,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 22:27:51,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 22:27:51,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 22:27:51,117 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 22:27:51,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 22:27:51,128 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 22:27:51,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 22:27:51,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 22:27:51,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 22:27:51,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 22:27:51,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 22:27:51,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 22:27:51,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 22:27:51,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 22:27:51,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 22:27:51,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 22:27:51,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 22:27:51,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 22:27:51,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 22:27:51,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 22:27:51,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 22:27:51,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 22:27:51,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 22:27:51,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-18 22:27:51,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 22:27:51,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 22:27:51,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 22:27:51,196 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 [2020-08-18 22:27:51,233 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 22:27:51,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 22:27:51,236 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 22:27:51,236 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 22:27:51,236 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 22:27:51,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 22:27:51,237 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 22:27:51,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 22:27:51,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 22:27:51,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 22:27:51,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 22:27:51,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 22:27:51,239 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 22:27:51,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 22:27:51,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 22:27:51,240 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 22:27:51,240 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 22:27:51,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 22:27:51,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 22:27:51,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 22:27:51,241 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 22:27:51,241 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 22:27:51,241 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 22:27:51,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 22:27:51,242 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 22:27:51,242 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 22:27:51,242 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-18 22:27:51,242 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=5;interpolation-heuristic=NARROWEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=NARROWEST; [2020-08-18 22:27:51,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 22:27:51,573 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 22:27:51,576 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 22:27:51,578 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 22:27:51,578 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 22:27:51,579 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2020-08-18 22:27:51,644 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9c8825ac1/d7597ffd26224b6d87591bd3217f4695/FLAGb82f58cc7 [2020-08-18 22:27:52,873 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 22:27:52,874 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2020-08-18 22:27:52,943 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9c8825ac1/d7597ffd26224b6d87591bd3217f4695/FLAGb82f58cc7 [2020-08-18 22:27:53,049 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9c8825ac1/d7597ffd26224b6d87591bd3217f4695 [2020-08-18 22:27:53,060 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 22:27:53,062 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 22:27:53,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 22:27:53,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 22:27:53,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 22:27:53,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:27:53" (1/1) ... [2020-08-18 22:27:53,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c1aa6c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:27:53, skipping insertion in model container [2020-08-18 22:27:53,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:27:53" (1/1) ... [2020-08-18 22:27:53,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 22:27:53,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 22:27:57,196 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-08-18 22:27:57,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3d38280d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:27:57, skipping insertion in model container [2020-08-18 22:27:57,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 22:27:57,204 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-08-18 22:27:57,212 INFO L168 Benchmark]: Toolchain (without parser) took 4144.28 ms. Allocated memory was 142.1 MB in the beginning and 251.7 MB in the end (delta: 109.6 MB). Free memory was 80.6 MB in the beginning and 121.5 MB in the end (delta: -40.9 MB). Peak memory consumption was 77.7 MB. Max. memory is 7.1 GB. [2020-08-18 22:27:57,213 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 142.1 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 22:27:57,217 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4141.13 ms. Allocated memory was 142.1 MB in the beginning and 251.7 MB in the end (delta: 109.6 MB). Free memory was 80.4 MB in the beginning and 121.5 MB in the end (delta: -41.1 MB). Peak memory consumption was 77.5 MB. Max. memory is 7.1 GB. [2020-08-18 22:27:57,222 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 142.1 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4141.13 ms. Allocated memory was 142.1 MB in the beginning and 251.7 MB in the end (delta: 109.6 MB). Free memory was 80.4 MB in the beginning and 121.5 MB in the end (delta: -41.1 MB). Peak memory consumption was 77.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 11212]: 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...