/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 interpolation-heuristic=FIRST --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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--block--DAC960.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:04:02,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:04:02,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:04:02,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:04:02,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:04:02,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:04:02,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:04:02,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:04:02,418 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:04:02,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:04:02,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:04:02,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:04:02,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:04:02,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:04:02,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:04:02,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:04:02,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:04:02,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:04:02,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:04:02,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:04:02,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:04:02,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:04:02,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:04:02,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:04:02,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-21 12:04:02,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:04:02,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:04:02,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:04:02,470 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 12:04:02,519 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:04:02,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:04:02,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:04:02,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:04:02,522 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:04:02,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:04:02,523 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:04:02,523 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:04:02,523 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:04:02,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:04:02,524 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:04:02,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:04:02,525 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:04:02,525 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:04:02,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:04:02,526 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:04:02,526 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:04:02,526 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:04:02,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:04:02,527 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:04:02,527 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:04:02,527 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:04:02,527 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:04:02,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:04:02,528 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:04:02,528 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:04:02,528 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-21 12:04:02,528 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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 12:04:02,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:04:03,024 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:04:03,028 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:04:03,031 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:04:03,031 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:04:03,033 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--block--DAC960.ko-entry_point.cil.out.i [2020-09-21 12:04:03,123 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cb17c8475/1f911e13429349c481daee2dcd9fe29f/FLAG76aa8c0a9 [2020-09-21 12:04:04,206 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:04:04,208 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--block--DAC960.ko-entry_point.cil.out.i [2020-09-21 12:04:04,271 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cb17c8475/1f911e13429349c481daee2dcd9fe29f/FLAG76aa8c0a9 [2020-09-21 12:04:04,479 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cb17c8475/1f911e13429349c481daee2dcd9fe29f [2020-09-21 12:04:04,491 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:04:04,497 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:04:04,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:04:04,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:04:04,503 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:04:04,504 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:04:04" (1/1) ... [2020-09-21 12:04:04,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7035d330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:04:04, skipping insertion in model container [2020-09-21 12:04:04,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:04:04" (1/1) ... [2020-09-21 12:04:04,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:04:04,751 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:04:07,489 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-09-21 12:04:07,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@19cbf8c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:04:07, skipping insertion in model container [2020-09-21 12:04:07,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:04:07,492 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-09-21 12:04:07,498 INFO L168 Benchmark]: Toolchain (without parser) took 3001.32 ms. Allocated memory was 123.2 MB in the beginning and 193.5 MB in the end (delta: 70.3 MB). Free memory was 86.2 MB in the beginning and 147.8 MB in the end (delta: -61.5 MB). Peak memory consumption was 67.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:04:07,499 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 109.1 MB. Free memory was 91.2 MB in the beginning and 91.0 MB in the end (delta: 108.6 kB). Peak memory consumption was 108.6 kB. Max. memory is 7.1 GB. [2020-09-21 12:04:07,504 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2993.46 ms. Allocated memory was 123.2 MB in the beginning and 193.5 MB in the end (delta: 70.3 MB). Free memory was 85.5 MB in the beginning and 147.8 MB in the end (delta: -62.2 MB). Peak memory consumption was 67.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:04:07,514 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 109.1 MB. Free memory was 91.2 MB in the beginning and 91.0 MB in the end (delta: 108.6 kB). Peak memory consumption was 108.6 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2993.46 ms. Allocated memory was 123.2 MB in the beginning and 193.5 MB in the end (delta: 70.3 MB). Free memory was 85.5 MB in the beginning and 147.8 MB in the end (delta: -62.2 MB). Peak memory consumption was 67.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7507]: 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...