/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 produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-bt8xx-bttv.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 13:09:02,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 13:09:02,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 13:09:02,823 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-09-21 13:09:02,863 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 [2020-09-21 13:09:02,888 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 13:09:02,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 13:09:02,890 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 13:09:02,890 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 13:09:02,890 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 13:09:02,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 13:09:02,891 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 13:09:02,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 13:09:02,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 13:09:02,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 13:09:02,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 13:09:02,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 13:09:02,892 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 13:09:02,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 13:09:02,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 13:09:02,893 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 13:09:02,893 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 13:09:02,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 13:09:02,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 13:09:02,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 13:09:02,894 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 13:09:02,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 13:09:02,894 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 13:09:02,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 13:09:02,895 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 13:09:02,895 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 13:09:02,895 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-21 13:09:02,895 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 -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 13:09:03,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 13:09:03,394 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 13:09:03,399 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 13:09:03,400 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 13:09:03,401 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 13:09:03,402 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-bt8xx-bttv.cil.i [2020-09-21 13:09:03,494 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/06330e588/f5d3245725b34a9d96e543e25ff0c1aa/FLAGd97b7b961 [2020-09-21 13:09:04,820 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 13:09:04,821 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-bt8xx-bttv.cil.i [2020-09-21 13:09:04,967 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/06330e588/f5d3245725b34a9d96e543e25ff0c1aa/FLAGd97b7b961 [2020-09-21 13:09:05,371 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/06330e588/f5d3245725b34a9d96e543e25ff0c1aa [2020-09-21 13:09:05,386 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 13:09:05,392 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 13:09:05,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 13:09:05,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 13:09:05,398 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 13:09:05,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 01:09:05" (1/1) ... [2020-09-21 13:09:05,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50ba5def and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:09:05, skipping insertion in model container [2020-09-21 13:09:05,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 01:09:05" (1/1) ... [2020-09-21 13:09:05,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 13:09:05,772 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 13:09:10,950 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-09-21 13:09:10,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1f7a7e73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 01:09:10, skipping insertion in model container [2020-09-21 13:09:10,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 13:09:10,952 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-09-21 13:09:10,956 INFO L168 Benchmark]: Toolchain (without parser) took 5566.63 ms. Allocated memory was 139.5 MB in the beginning and 298.3 MB in the end (delta: 158.9 MB). Free memory was 65.2 MB in the beginning and 153.3 MB in the end (delta: -88.1 MB). Peak memory consumption was 80.7 MB. Max. memory is 7.1 GB. [2020-09-21 13:09:10,957 INFO L168 Benchmark]: CDTParser took 1.12 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 13:09:10,958 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5558.34 ms. Allocated memory was 139.5 MB in the beginning and 298.3 MB in the end (delta: 158.9 MB). Free memory was 64.6 MB in the beginning and 153.3 MB in the end (delta: -88.7 MB). Peak memory consumption was 80.1 MB. Max. memory is 7.1 GB. [2020-09-21 13:09:10,961 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.12 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 5558.34 ms. Allocated memory was 139.5 MB in the beginning and 298.3 MB in the end (delta: 158.9 MB). Free memory was 64.6 MB in the beginning and 153.3 MB in the end (delta: -88.7 MB). Peak memory consumption was 80.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 8716]: 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...