/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 --rcfgbuilder.size.of.a.code.block SingleStatement --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=NARROWEST --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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 02:51:09,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 02:51:09,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 02:51:09,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 02:51:09,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 02:51:09,403 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 02:51:09,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 02:51:09,409 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 02:51:09,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 02:51:09,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 02:51:09,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 02:51:09,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 02:51:09,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 02:51:09,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 02:51:09,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 02:51:09,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 02:51:09,426 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 02:51:09,427 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 02:51:09,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 02:51:09,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 02:51:09,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 02:51:09,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 02:51:09,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 02:51:09,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 02:51:09,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-25 02:51:09,473 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 [2020-09-25 02:51:09,499 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 02:51:09,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 02:51:09,501 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 02:51:09,501 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 02:51:09,501 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 02:51:09,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 02:51:09,502 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 02:51:09,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 02:51:09,502 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 02:51:09,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 02:51:09,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 02:51:09,503 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 02:51:09,503 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 02:51:09,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 02:51:09,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 02:51:09,504 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 02:51:09,504 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 02:51:09,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 02:51:09,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 02:51:09,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 02:51:09,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 02:51:09,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 02:51:09,505 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 02:51:09,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 02:51:09,505 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 02:51:09,506 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 02:51:09,506 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 02:51:09,506 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.rcfgbuilder: Size of a code block -> SingleStatement 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=NARROWEST;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=5000;interpolation-heuristic=NARROWEST;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=5000;interpolation-heuristic=NARROWEST;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=5000;interpolation-heuristic=NARROWEST;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=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; [2020-09-25 02:51:09,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 02:51:09,968 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 02:51:09,972 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 02:51:09,974 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 02:51:09,974 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 02:51:09,976 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i [2020-09-25 02:51:10,055 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3090951d5/3cf49744643742918a2f415315569e44/FLAGf3b071657 [2020-09-25 02:51:11,096 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 02:51:11,097 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i [2020-09-25 02:51:11,163 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3090951d5/3cf49744643742918a2f415315569e44/FLAGf3b071657 [2020-09-25 02:51:11,455 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3090951d5/3cf49744643742918a2f415315569e44 [2020-09-25 02:51:11,469 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 02:51:11,476 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 02:51:11,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 02:51:11,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 02:51:11,483 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 02:51:11,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:51:11" (1/1) ... [2020-09-25 02:51:11,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@768abc93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:51:11, skipping insertion in model container [2020-09-25 02:51:11,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:51:11" (1/1) ... [2020-09-25 02:51:11,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 02:51:11,734 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 02:51:14,403 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-09-25 02:51:14,405 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1ccaf2f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:51:14, skipping insertion in model container [2020-09-25 02:51:14,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 02:51:14,406 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-09-25 02:51:14,412 INFO L168 Benchmark]: Toolchain (without parser) took 2937.59 ms. Allocated memory was 139.5 MB in the beginning and 240.1 MB in the end (delta: 100.7 MB). Free memory was 86.0 MB in the beginning and 167.3 MB in the end (delta: -81.3 MB). Peak memory consumption was 39.6 MB. Max. memory is 7.1 GB. [2020-09-25 02:51:14,413 INFO L168 Benchmark]: CDTParser took 0.25 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. [2020-09-25 02:51:14,415 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2928.98 ms. Allocated memory was 139.5 MB in the beginning and 240.1 MB in the end (delta: 100.7 MB). Free memory was 85.4 MB in the beginning and 167.3 MB in the end (delta: -82.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 7.1 GB. [2020-09-25 02:51:14,420 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 2928.98 ms. Allocated memory was 139.5 MB in the beginning and 240.1 MB in the end (delta: 100.7 MB). Free memory was 85.4 MB in the beginning and 167.3 MB in the end (delta: -82.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6826]: 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...