/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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 SequenceOfStatements --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=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 12:33:14,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 12:33:14,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 12:33:14,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 12:33:14,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 12:33:14,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 12:33:14,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 12:33:14,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 12:33:14,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 12:33:14,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 12:33:14,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 12:33:14,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 12:33:14,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 12:33:14,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 12:33:14,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 12:33:14,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 12:33:14,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 12:33:14,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 12:33:14,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 12:33:14,492 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 12:33:14,495 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 12:33:14,497 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 12:33:14,498 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 12:33:14,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 12:33:14,510 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-27 12:33:14,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 12:33:14,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 12:33:14,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 12:33:14,542 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 [2020-10-27 12:33:14,594 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 12:33:14,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 12:33:14,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 12:33:14,599 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 12:33:14,599 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 12:33:14,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 12:33:14,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 12:33:14,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 12:33:14,600 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 12:33:14,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 12:33:14,602 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 12:33:14,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 12:33:14,602 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 12:33:14,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 12:33:14,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 12:33:14,603 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 12:33:14,603 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 12:33:14,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 12:33:14,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 12:33:14,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 12:33:14,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 12:33:14,604 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 12:33:14,604 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 12:33:14,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 12:33:14,605 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 12:33:14,605 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 12:33:14,605 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-27 12:33:14,605 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 12:33:15,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 12:33:15,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 12:33:15,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 12:33:15,093 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 12:33:15,094 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 12:33:15,096 INFO L432 ainManager$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-32_7a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i [2020-10-27 12:33:15,180 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cbb001eb6/b16b69d24b1346f6b0e03c3ef17db059/FLAG286190fba [2020-10-27 12:33:20,334 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 12:33:20,335 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i [2020-10-27 12:33:20,924 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cbb001eb6/b16b69d24b1346f6b0e03c3ef17db059/FLAG286190fba [2020-10-27 12:33:21,216 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cbb001eb6/b16b69d24b1346f6b0e03c3ef17db059 [2020-10-27 12:33:21,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 12:33:21,227 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 12:33:21,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 12:33:21,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 12:33:21,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 12:33:21,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:33:21" (1/1) ... [2020-10-27 12:33:21,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d8adc1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:33:21, skipping insertion in model container [2020-10-27 12:33:21,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:33:21" (1/1) ... [2020-10-27 12:33:21,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 12:33:22,651 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 12:34:25,894 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-10-27 12:34:25,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4beb80d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:34:25, skipping insertion in model container [2020-10-27 12:34:25,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 12:34:25,898 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-27 12:34:25,903 INFO L168 Benchmark]: Toolchain (without parser) took 64677.39 ms. Allocated memory was 545.3 MB in the beginning and 1.5 GB in the end (delta: 998.2 MB). Free memory was 363.7 MB in the beginning and 1.2 GB in the end (delta: -836.3 MB). Peak memory consumption was 217.1 MB. Max. memory is 8.0 GB. [2020-10-27 12:34:25,905 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 125.8 MB. Free memory is still 100.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 12:34:25,909 INFO L168 Benchmark]: CACSL2BoogieTranslator took 64668.40 ms. Allocated memory was 545.3 MB in the beginning and 1.5 GB in the end (delta: 998.2 MB). Free memory was 362.8 MB in the beginning and 1.2 GB in the end (delta: -837.7 MB). Peak memory consumption was 216.0 MB. Max. memory is 8.0 GB. [2020-10-27 12:34:25,912 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 125.8 MB. Free memory is still 100.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 64668.40 ms. Allocated memory was 545.3 MB in the beginning and 1.5 GB in the end (delta: 998.2 MB). Free memory was 362.8 MB in the beginning and 1.2 GB in the end (delta: -837.7 MB). Peak memory consumption was 216.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 23722]: 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...