/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 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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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 -i ../../../trunk/examples/svcomp/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 05:49:44,812 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 05:49:44,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 05:49:44,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 05:49:44,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 05:49:44,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 05:49:44,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 05:49:44,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 05:49:44,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 05:49:44,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 05:49:44,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 05:49:44,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 05:49:44,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 05:49:44,883 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 05:49:44,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 05:49:44,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 05:49:44,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 05:49:44,889 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 05:49:44,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 05:49:44,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 05:49:44,898 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 05:49:44,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 05:49:44,901 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 05:49:44,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 05:49:44,907 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-15 05:49:44,911 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 05:49:44,912 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 05:49:44,913 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 05:49:44,913 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 05:49:44,914 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 05:49:44,915 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 05:49:44,915 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 05:49:44,915 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 05:49:44,916 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 05:49:44,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 05:49:44,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 05:49:44,918 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 [2020-10-15 05:49:44,960 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 05:49:44,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 05:49:44,962 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 05:49:44,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 05:49:44,963 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 05:49:44,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 05:49:44,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 05:49:44,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 05:49:44,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 05:49:44,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 05:49:44,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 05:49:44,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 05:49:44,965 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 05:49:44,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 05:49:44,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 05:49:44,965 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 05:49:44,966 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 05:49:44,966 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 05:49:44,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 05:49:44,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 05:49:44,966 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 05:49:44,966 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 05:49:44,967 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 05:49:44,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 05:49:44,967 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 05:49:44,967 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 05:49:44,967 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 05:49:44,968 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 -> 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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 05:49:45,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 05:49:45,261 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 05:49:45,264 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 05:49:45,266 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 05:49:45,266 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 05:49:45,267 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2020-10-15 05:49:45,325 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/216286cac/e0b923ec998845108915eee1b3d44b30/FLAG4d3d6f212 [2020-10-15 05:49:46,557 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 05:49:46,558 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2020-10-15 05:49:46,638 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/216286cac/e0b923ec998845108915eee1b3d44b30/FLAG4d3d6f212 [2020-10-15 05:49:46,671 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/216286cac/e0b923ec998845108915eee1b3d44b30 [2020-10-15 05:49:46,679 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 05:49:46,681 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 05:49:46,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 05:49:46,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 05:49:46,685 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 05:49:46,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:49:46" (1/1) ... [2020-10-15 05:49:46,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dc4c8a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:49:46, skipping insertion in model container [2020-10-15 05:49:46,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:49:46" (1/1) ... [2020-10-15 05:49:46,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 05:49:47,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 05:49:54,981 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 [2020-10-15 05:49:54,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4d9a7118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:49:54, skipping insertion in model container [2020-10-15 05:49:54,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 05:49:54,983 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-15 05:49:54,986 INFO L168 Benchmark]: Toolchain (without parser) took 8304.18 ms. Allocated memory was 176.7 MB in the beginning and 293.6 MB in the end (delta: 116.9 MB). Free memory was 126.4 MB in the beginning and 181.1 MB in the end (delta: -54.8 MB). Peak memory consumption was 143.7 MB. Max. memory is 7.1 GB. [2020-10-15 05:49:54,987 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-15 05:49:54,988 INFO L168 Benchmark]: CACSL2BoogieTranslator took 8301.25 ms. Allocated memory was 176.7 MB in the beginning and 293.6 MB in the end (delta: 116.9 MB). Free memory was 125.3 MB in the beginning and 181.1 MB in the end (delta: -55.8 MB). Peak memory consumption was 142.6 MB. Max. memory is 7.1 GB. [2020-10-15 05:49:54,991 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 8301.25 ms. Allocated memory was 176.7 MB in the beginning and 293.6 MB in the end (delta: 116.9 MB). Free memory was 125.3 MB in the beginning and 181.1 MB in the end (delta: -55.8 MB). Peak memory consumption was 142.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 15149]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~intX~varArgs~~TO~int RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...