/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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--amd--amdgpu--amdgpu.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 10:16:22,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 10:16:22,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 10:16:22,230 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 10:16:22,231 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 10:16:22,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 10:16:22,233 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 10:16:22,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 10:16:22,236 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 10:16:22,237 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 10:16:22,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 10:16:22,239 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 10:16:22,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 10:16:22,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 10:16:22,241 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 10:16:22,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 10:16:22,243 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 10:16:22,244 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 10:16:22,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 10:16:22,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 10:16:22,248 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 10:16:22,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 10:16:22,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 10:16:22,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 10:16:22,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 10:16:22,254 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 10:16:22,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 10:16:22,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 10:16:22,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 10:16:22,256 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 10:16:22,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 10:16:22,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 10:16:22,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 10:16:22,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 10:16:22,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 10:16:22,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 10:16:22,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 10:16:22,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 10:16:22,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 10:16:22,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 10:16:22,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 10:16:22,262 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 10:16:22,284 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 10:16:22,284 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 10:16:22,285 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 10:16:22,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 10:16:22,286 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 10:16:22,286 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 10:16:22,286 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 10:16:22,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 10:16:22,287 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 10:16:22,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 10:16:22,287 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 10:16:22,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 10:16:22,287 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 10:16:22,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 10:16:22,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 10:16:22,288 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 10:16:22,288 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 10:16:22,288 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 10:16:22,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 10:16:22,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 10:16:22,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 10:16:22,289 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 10:16:22,290 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 10:16:22,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 10:16:22,290 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 10:16:22,290 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 10:16:22,290 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 10:16:22,290 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 10:16:22,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 10:16:22,598 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 10:16:22,601 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 10:16:22,603 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 10:16:22,603 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 10:16:22,604 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--amd--amdgpu--amdgpu.ko-entry_point.cil.out.i [2020-10-15 10:16:22,670 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aad7f3d67/79c4108d4f7a4a089cf4dbead477494d/FLAG6c18f97bd [2020-10-15 10:16:25,392 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 10:16:25,393 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--amd--amdgpu--amdgpu.ko-entry_point.cil.out.i [2020-10-15 10:16:25,645 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aad7f3d67/79c4108d4f7a4a089cf4dbead477494d/FLAG6c18f97bd [2020-10-15 10:16:25,932 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aad7f3d67/79c4108d4f7a4a089cf4dbead477494d [2020-10-15 10:16:25,940 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 10:16:25,942 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 10:16:25,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 10:16:25,943 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 10:16:25,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 10:16:25,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:16:25" (1/1) ... [2020-10-15 10:16:25,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21e2d229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:16:25, skipping insertion in model container [2020-10-15 10:16:25,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:16:25" (1/1) ... [2020-10-15 10:16:25,958 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 10:16:26,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 10:19:15,959 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2020-10-15 10:19:16,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 10:19:16,359 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 10:19:32,247 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2020-10-15 10:19:32,266 INFO L206 PostProcessor]: Analyzing one entry point: main