/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 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--gpu--drm--qxl--qxl.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-89f541c [2020-08-27 23:16:36,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-27 23:16:36,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-27 23:16:37,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-27 23:16:37,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-27 23:16:37,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-27 23:16:37,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-27 23:16:37,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-27 23:16:37,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-27 23:16:37,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-27 23:16:37,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-27 23:16:37,037 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-27 23:16:37,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-27 23:16:37,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-27 23:16:37,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-27 23:16:37,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-27 23:16:37,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-27 23:16:37,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-27 23:16:37,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-27 23:16:37,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-27 23:16:37,048 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-27 23:16:37,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-27 23:16:37,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-27 23:16:37,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-27 23:16:37,055 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-27 23:16:37,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-27 23:16:37,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-27 23:16:37,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-27 23:16:37,061 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-27 23:16:37,062 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-27 23:16:37,063 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-27 23:16:37,064 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-27 23:16:37,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-27 23:16:37,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-27 23:16:37,066 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-27 23:16:37,076 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-27 23:16:37,077 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 [2020-08-27 23:16:37,131 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-27 23:16:37,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-27 23:16:37,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-27 23:16:37,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-27 23:16:37,134 INFO L138 SettingsManager]: * Use SBE=true [2020-08-27 23:16:37,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-27 23:16:37,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-27 23:16:37,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-27 23:16:37,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-27 23:16:37,135 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-27 23:16:37,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-27 23:16:37,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-27 23:16:37,137 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-27 23:16:37,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-27 23:16:37,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-27 23:16:37,138 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-27 23:16:37,138 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-27 23:16:37,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-27 23:16:37,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-27 23:16:37,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-27 23:16:37,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-27 23:16:37,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-27 23:16:37,140 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-27 23:16:37,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-27 23:16:37,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-27 23:16:37,140 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-27 23:16:37,141 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-27 23:16:37,141 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 -> interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> interpolation-heuristic=FIRST;log-additional-information=true; [2020-08-27 23:16:37,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-27 23:16:37,702 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-27 23:16:37,707 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-27 23:16:37,711 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-27 23:16:37,711 INFO L275 PluginConnector]: CDTParser initialized [2020-08-27 23:16:37,713 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--gpu--drm--qxl--qxl.ko-entry_point.cil.out.i [2020-08-27 23:16:37,797 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b7dbd1782/70317446e7794c65a6d89722d01ecd39/FLAG4b9d134ee [2020-08-27 23:16:38,968 INFO L306 CDTParser]: Found 1 translation units. [2020-08-27 23:16:38,970 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--gpu--drm--qxl--qxl.ko-entry_point.cil.out.i [2020-08-27 23:16:39,089 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b7dbd1782/70317446e7794c65a6d89722d01ecd39/FLAG4b9d134ee [2020-08-27 23:16:39,208 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b7dbd1782/70317446e7794c65a6d89722d01ecd39 [2020-08-27 23:16:39,224 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-27 23:16:39,226 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-27 23:16:39,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-27 23:16:39,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-27 23:16:39,234 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-27 23:16:39,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 11:16:39" (1/1) ... [2020-08-27 23:16:39,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fbdf966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:16:39, skipping insertion in model container [2020-08-27 23:16:39,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 11:16:39" (1/1) ... [2020-08-27 23:16:39,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-27 23:16:39,510 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-27 23:16:43,974 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: qxl_io_log [2020-08-27 23:16:43,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@74b3d854 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:16:43, skipping insertion in model container [2020-08-27 23:16:43,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-27 23:16:43,977 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-08-27 23:16:43,982 INFO L168 Benchmark]: Toolchain (without parser) took 4753.86 ms. Allocated memory was 142.1 MB in the beginning and 252.2 MB in the end (delta: 110.1 MB). Free memory was 81.0 MB in the beginning and 152.6 MB in the end (delta: -71.7 MB). Peak memory consumption was 47.4 MB. Max. memory is 7.1 GB. [2020-08-27 23:16:43,983 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 142.1 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-27 23:16:43,986 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4748.16 ms. Allocated memory was 142.1 MB in the beginning and 252.2 MB in the end (delta: 110.1 MB). Free memory was 80.8 MB in the beginning and 152.6 MB in the end (delta: -71.9 MB). Peak memory consumption was 47.2 MB. Max. memory is 7.1 GB. [2020-08-27 23:16:43,990 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 142.1 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4748.16 ms. Allocated memory was 142.1 MB in the beginning and 252.2 MB in the end (delta: 110.1 MB). Free memory was 80.8 MB in the beginning and 152.6 MB in the end (delta: -71.9 MB). Peak memory consumption was 47.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 8475]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: qxl_io_log RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...