/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=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.4 --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-cx25821-cx25821.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 06:01:10,324 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-22 06:01:10,440 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 [2020-08-22 06:01:10,462 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 06:01:10,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 06:01:10,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 06:01:10,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 06:01:10,464 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 06:01:10,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 06:01:10,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 06:01:10,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 06:01:10,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 06:01:10,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 06:01:10,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 06:01:10,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 06:01:10,466 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 06:01:10,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 06:01:10,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 06:01:10,467 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 06:01:10,467 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 06:01:10,467 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 06:01:10,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 06:01:10,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 06:01:10,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 06:01:10,468 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 06:01:10,468 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 06:01:10,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 06:01:10,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 06:01:10,469 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 06:01:10,469 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-22 06:01:10,469 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=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; [2020-08-22 06:01:10,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 06:01:10,795 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 06:01:10,802 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 06:01:10,804 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 06:01:10,804 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 06:01:10,805 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx25821-cx25821.cil.i [2020-08-22 06:01:10,876 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4f8c914f2/579bacef108f4d398c7ed533f6f581d8/FLAG685413f70 [2020-08-22 06:01:11,937 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 06:01:11,939 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx25821-cx25821.cil.i [2020-08-22 06:01:12,022 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4f8c914f2/579bacef108f4d398c7ed533f6f581d8/FLAG685413f70 [2020-08-22 06:01:12,230 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4f8c914f2/579bacef108f4d398c7ed533f6f581d8 [2020-08-22 06:01:12,239 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 06:01:12,241 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 06:01:12,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 06:01:12,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 06:01:12,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 06:01:12,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:01:12" (1/1) ... [2020-08-22 06:01:12,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e9488dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:01:12, skipping insertion in model container [2020-08-22 06:01:12,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:01:12" (1/1) ... [2020-08-22 06:01:12,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 06:01:12,492 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 06:01:16,677 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-08-22 06:01:16,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@227b5c13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:01:16, skipping insertion in model container [2020-08-22 06:01:16,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 06:01:16,681 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-08-22 06:01:16,684 INFO L168 Benchmark]: Toolchain (without parser) took 4441.62 ms. Allocated memory was 141.0 MB in the beginning and 267.4 MB in the end (delta: 126.4 MB). Free memory was 82.6 MB in the beginning and 216.0 MB in the end (delta: -133.5 MB). Peak memory consumption was 116.1 MB. Max. memory is 7.1 GB. [2020-08-22 06:01:16,685 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-22 06:01:16,687 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4438.09 ms. Allocated memory was 141.0 MB in the beginning and 267.4 MB in the end (delta: 126.4 MB). Free memory was 82.4 MB in the beginning and 216.0 MB in the end (delta: -133.7 MB). Peak memory consumption was 115.9 MB. Max. memory is 7.1 GB. [2020-08-22 06:01:16,693 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4438.09 ms. Allocated memory was 141.0 MB in the beginning and 267.4 MB in the end (delta: 126.4 MB). Free memory was 82.4 MB in the beginning and 216.0 MB in the end (delta: -133.7 MB). Peak memory consumption was 115.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 13432]: 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...