/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_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx25821-cx25821.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 22:27:42,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 22:27:42,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 22:27:42,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-08-18 22:27:42,978 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 22:27:43,026 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 22:27:43,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 22:27:43,030 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 22:27:43,030 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 22:27:43,030 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 22:27:43,031 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 22:27:43,031 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 22:27:43,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 22:27:43,032 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 22:27:43,032 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 22:27:43,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 22:27:43,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 22:27:43,032 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 22:27:43,033 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 22:27:43,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 22:27:43,033 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 22:27:43,033 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 22:27:43,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 22:27:43,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 22:27:43,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 22:27:43,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 22:27:43,036 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 22:27:43,036 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 22:27:43,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 22:27:43,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 22:27:43,037 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 22:27:43,037 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-18 22:27:43,037 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 22:27:43,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 22:27:43,346 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 22:27:43,351 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 22:27:43,353 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 22:27:43,353 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 22:27:43,354 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx25821-cx25821.cil.i [2020-08-18 22:27:43,426 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4510c5665/c694976038884951912ba4573801df53/FLAG92f2a9f40 [2020-08-18 22:27:44,453 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 22:27:44,454 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-pci-cx25821-cx25821.cil.i [2020-08-18 22:27:44,533 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4510c5665/c694976038884951912ba4573801df53/FLAG92f2a9f40 [2020-08-18 22:27:44,757 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4510c5665/c694976038884951912ba4573801df53 [2020-08-18 22:27:44,765 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 22:27:44,767 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 22:27:44,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 22:27:44,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 22:27:44,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 22:27:44,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:27:44" (1/1) ... [2020-08-18 22:27:44,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56ef82f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:27:44, skipping insertion in model container [2020-08-18 22:27:44,776 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:27:44" (1/1) ... [2020-08-18 22:27:44,784 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 22:27:45,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 22:27:49,439 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-08-18 22:27:49,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@397a403a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:27:49, skipping insertion in model container [2020-08-18 22:27:49,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 22:27:49,443 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-08-18 22:27:49,447 INFO L168 Benchmark]: Toolchain (without parser) took 4678.05 ms. Allocated memory was 140.5 MB in the beginning and 264.8 MB in the end (delta: 124.3 MB). Free memory was 81.8 MB in the beginning and 215.5 MB in the end (delta: -133.7 MB). Peak memory consumption was 115.6 MB. Max. memory is 7.1 GB. [2020-08-18 22:27:49,449 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 22:27:49,450 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4674.88 ms. Allocated memory was 140.5 MB in the beginning and 264.8 MB in the end (delta: 124.3 MB). Free memory was 81.6 MB in the beginning and 215.5 MB in the end (delta: -133.9 MB). Peak memory consumption was 115.4 MB. Max. memory is 7.1 GB. [2020-08-18 22:27:49,454 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4674.88 ms. Allocated memory was 140.5 MB in the beginning and 264.8 MB in the end (delta: 124.3 MB). Free memory was 81.6 MB in the beginning and 215.5 MB in the end (delta: -133.9 MB). Peak memory consumption was 115.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 13437]: 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...