/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 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx25821-cx25821.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 16:41:35,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 16:41:35,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 16:41:35,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 16:41:35,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 16:41:35,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 16:41:35,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 16:41:35,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 16:41:35,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 16:41:35,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 16:41:35,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 16:41:35,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 16:41:35,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 16:41:35,206 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 16:41:35,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 16:41:35,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 16:41:35,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 16:41:35,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 16:41:35,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 16:41:35,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 16:41:35,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 16:41:35,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 16:41:35,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 16:41:35,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 16:41:35,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-24 16:41:35,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 16:41:35,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 16:41:35,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 16:41:35,235 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 [2020-09-24 16:41:35,288 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 16:41:35,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 16:41:35,293 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 16:41:35,293 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 16:41:35,293 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 16:41:35,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 16:41:35,294 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 16:41:35,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 16:41:35,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 16:41:35,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 16:41:35,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 16:41:35,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 16:41:35,296 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 16:41:35,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 16:41:35,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 16:41:35,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 16:41:35,297 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 16:41:35,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 16:41:35,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 16:41:35,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 16:41:35,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 16:41:35,298 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 16:41:35,298 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 16:41:35,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 16:41:35,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 16:41:35,299 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 16:41:35,299 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-24 16:41:35,299 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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 16:41:35,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 16:41:35,802 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 16:41:35,808 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 16:41:35,810 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 16:41:35,811 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 16:41:35,812 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx25821-cx25821.cil.i [2020-09-24 16:41:35,891 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7ad6d41ac/803b9b592f5b40efbc4db652b14adb81/FLAG3f03063aa [2020-09-24 16:41:36,988 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 16:41:36,989 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx25821-cx25821.cil.i [2020-09-24 16:41:37,072 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7ad6d41ac/803b9b592f5b40efbc4db652b14adb81/FLAG3f03063aa [2020-09-24 16:41:37,280 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7ad6d41ac/803b9b592f5b40efbc4db652b14adb81 [2020-09-24 16:41:37,293 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 16:41:37,302 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 16:41:37,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 16:41:37,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 16:41:37,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 16:41:37,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:41:37" (1/1) ... [2020-09-24 16:41:37,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42a1b8e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:41:37, skipping insertion in model container [2020-09-24 16:41:37,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:41:37" (1/1) ... [2020-09-24 16:41:37,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 16:41:37,539 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 16:41:42,884 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-09-24 16:41:42,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7e27d751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:41:42, skipping insertion in model container [2020-09-24 16:41:42,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 16:41:42,887 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-09-24 16:41:42,894 INFO L168 Benchmark]: Toolchain (without parser) took 5594.48 ms. Allocated memory was 139.5 MB in the beginning and 271.6 MB in the end (delta: 132.1 MB). Free memory was 80.9 MB in the beginning and 218.6 MB in the end (delta: -137.7 MB). Peak memory consumption was 115.5 MB. Max. memory is 7.1 GB. [2020-09-24 16:41:42,895 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 16:41:42,898 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5578.50 ms. Allocated memory was 139.5 MB in the beginning and 271.6 MB in the end (delta: 132.1 MB). Free memory was 80.3 MB in the beginning and 218.6 MB in the end (delta: -138.3 MB). Peak memory consumption was 114.9 MB. Max. memory is 7.1 GB. [2020-09-24 16:41:42,905 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 5578.50 ms. Allocated memory was 139.5 MB in the beginning and 271.6 MB in the end (delta: 132.1 MB). Free memory was 80.3 MB in the beginning and 218.6 MB in the end (delta: -138.3 MB). Peak memory consumption was 114.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 13432]: Unsupported Syntax we need to generalize this to nested and/or variable length arrays RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...