/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 SingleStatement --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=0.3 --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-32_7a-drivers--gpu--drm--qxl--qxl.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 13:01:59,040 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 13:01:59,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 13:01:59,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 13:01:59,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 13:01:59,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 13:01:59,076 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 13:01:59,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 13:01:59,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 13:01:59,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 13:01:59,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 13:01:59,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 13:01:59,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 13:01:59,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 13:01:59,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 13:01:59,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 13:01:59,090 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 13:01:59,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 13:01:59,093 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 13:01:59,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 13:01:59,097 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 13:01:59,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 13:01:59,100 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 13:01:59,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 13:01:59,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 13:01:59,105 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 13:01:59,105 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 13:01:59,106 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 13:01:59,107 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 13:01:59,108 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 13:01:59,108 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 13:01:59,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 13:01:59,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 13:01:59,111 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 13:01:59,113 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 13:01:59,113 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 13:01:59,114 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 13:01:59,114 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 13:01:59,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 13:01:59,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 13:01:59,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 13:01:59,118 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 [2020-09-25 13:01:59,146 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 13:01:59,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 13:01:59,148 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 13:01:59,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 13:01:59,148 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 13:01:59,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 13:01:59,149 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 13:01:59,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 13:01:59,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 13:01:59,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 13:01:59,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 13:01:59,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 13:01:59,150 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 13:01:59,150 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 13:01:59,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 13:01:59,151 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 13:01:59,151 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 13:01:59,151 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 13:01:59,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:01:59,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 13:01:59,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 13:01:59,152 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 13:01:59,152 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 13:01:59,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 13:01:59,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 13:01:59,153 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 13:01:59,153 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 13:01:59,153 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 -> SingleStatement 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=0.3;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;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;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;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;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;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;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;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;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;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; [2020-09-25 13:01:59,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 13:01:59,669 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 13:01:59,674 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 13:01:59,676 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 13:01:59,677 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 13:01:59,678 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--qxl--qxl.ko-entry_point.cil.out.i [2020-09-25 13:01:59,783 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/928ddf348/ada4129b258445cd833b209ca6ba7e81/FLAG9947cab77 [2020-09-25 13:02:01,134 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 13:02:01,136 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--qxl--qxl.ko-entry_point.cil.out.i [2020-09-25 13:02:01,264 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/928ddf348/ada4129b258445cd833b209ca6ba7e81/FLAG9947cab77 [2020-09-25 13:02:01,678 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/928ddf348/ada4129b258445cd833b209ca6ba7e81 [2020-09-25 13:02:01,692 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 13:02:01,698 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 13:02:01,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 13:02:01,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 13:02:01,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 13:02:01,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:02:01" (1/1) ... [2020-09-25 13:02:01,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d8ee0c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:02:01, skipping insertion in model container [2020-09-25 13:02:01,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:02:01" (1/1) ... [2020-09-25 13:02:01,720 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 13:02:02,016 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 13:02:06,573 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: qxl_io_log [2020-09-25 13:02:06,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2ca66164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:02:06, skipping insertion in model container [2020-09-25 13:02:06,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 13:02:06,575 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-09-25 13:02:06,580 INFO L168 Benchmark]: Toolchain (without parser) took 4883.77 ms. Allocated memory was 138.9 MB in the beginning and 249.0 MB in the end (delta: 110.1 MB). Free memory was 73.9 MB in the beginning and 132.2 MB in the end (delta: -58.3 MB). Peak memory consumption was 61.0 MB. Max. memory is 7.1 GB. [2020-09-25 13:02:06,581 INFO L168 Benchmark]: CDTParser took 1.31 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 13:02:06,582 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4875.42 ms. Allocated memory was 138.9 MB in the beginning and 249.0 MB in the end (delta: 110.1 MB). Free memory was 73.2 MB in the beginning and 132.2 MB in the end (delta: -58.9 MB). Peak memory consumption was 60.4 MB. Max. memory is 7.1 GB. [2020-09-25 13:02:06,585 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.31 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4875.42 ms. Allocated memory was 138.9 MB in the beginning and 249.0 MB in the end (delta: 110.1 MB). Free memory was 73.2 MB in the beginning and 132.2 MB in the end (delta: -58.9 MB). Peak memory consumption was 60.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 8669]: 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...