/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 20:50:13,682 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 20:50:13,685 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 20:50:13,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 20:50:13,739 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 20:50:13,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 20:50:13,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 20:50:13,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 20:50:13,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 20:50:13,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 20:50:13,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 20:50:13,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 20:50:13,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 20:50:13,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 20:50:13,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 20:50:13,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 20:50:13,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 20:50:13,777 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 20:50:13,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 20:50:13,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 20:50:13,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 20:50:13,809 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 20:50:13,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 20:50:13,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 20:50:13,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 20:50:13,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 20:50:13,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 20:50:13,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 20:50:13,816 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 20:50:13,817 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 20:50:13,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 20:50:13,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 20:50:13,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 20:50:13,820 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 20:50:13,821 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 20:50:13,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 20:50:13,822 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 20:50:13,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 20:50:13,823 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 20:50:13,824 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 20:50:13,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 20:50:13,826 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 [2020-10-28 20:50:13,854 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 20:50:13,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 20:50:13,856 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 20:50:13,856 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 20:50:13,856 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 20:50:13,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 20:50:13,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 20:50:13,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 20:50:13,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 20:50:13,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 20:50:13,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 20:50:13,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 20:50:13,858 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 20:50:13,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 20:50:13,859 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 20:50:13,859 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 20:50:13,859 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 20:50:13,859 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 20:50:13,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 20:50:13,860 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 20:50:13,860 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 20:50:13,860 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 20:50:13,860 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 20:50:13,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 20:50:13,861 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 20:50:13,861 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 20:50:13,861 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 20:50:13,861 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 20:50:14,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 20:50:14,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 20:50:14,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 20:50:14,261 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 20:50:14,262 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 20:50:14,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2020-10-28 20:50:14,350 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/64f2f7987/f0c9fff103694f7eac594fd5da7f91bf/FLAG96c87431d [2020-10-28 20:50:16,099 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 20:50:16,101 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2020-10-28 20:50:16,214 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/64f2f7987/f0c9fff103694f7eac594fd5da7f91bf/FLAG96c87431d [2020-10-28 20:50:16,363 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/64f2f7987/f0c9fff103694f7eac594fd5da7f91bf [2020-10-28 20:50:16,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 20:50:16,372 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 20:50:16,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 20:50:16,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 20:50:16,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 20:50:16,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:50:16" (1/1) ... [2020-10-28 20:50:16,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@574898ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:16, skipping insertion in model container [2020-10-28 20:50:16,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:50:16" (1/1) ... [2020-10-28 20:50:16,395 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 20:50:16,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 20:50:24,851 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~intX~varArgs~~TO~int [2020-10-28 20:50:24,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6c03fd2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:50:24, skipping insertion in model container [2020-10-28 20:50:24,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 20:50:24,853 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-28 20:50:24,858 INFO L168 Benchmark]: Toolchain (without parser) took 8486.59 ms. Allocated memory was 152.0 MB in the beginning and 310.4 MB in the end (delta: 158.3 MB). Free memory was 113.3 MB in the beginning and 233.3 MB in the end (delta: -120.0 MB). Peak memory consumption was 89.7 MB. Max. memory is 8.0 GB. [2020-10-28 20:50:24,859 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 152.0 MB. Free memory is still 125.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 20:50:24,863 INFO L168 Benchmark]: CACSL2BoogieTranslator took 8475.25 ms. Allocated memory was 152.0 MB in the beginning and 310.4 MB in the end (delta: 158.3 MB). Free memory was 112.9 MB in the beginning and 233.3 MB in the end (delta: -120.5 MB). Peak memory consumption was 89.7 MB. Max. memory is 8.0 GB. [2020-10-28 20:50:24,866 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 152.0 MB. Free memory is still 125.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 8475.25 ms. Allocated memory was 152.0 MB in the beginning and 310.4 MB in the end (delta: 158.3 MB). Free memory was 112.9 MB in the beginning and 233.3 MB in the end (delta: -120.5 MB). Peak memory consumption was 89.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 15115]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~intX~varArgs~~TO~int RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...