/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 enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST -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-bt8xx-bttv.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 20:50:59,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 20:50:59,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 20:50:59,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 20:50:59,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 20:50:59,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 20:50:59,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 20:50:59,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 20:50:59,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 20:50:59,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 20:50:59,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 20:50:59,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 20:50:59,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 20:50:59,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 20:50:59,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 20:50:59,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 20:50:59,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 20:50:59,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 20:50:59,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 20:50:59,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 20:50:59,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 20:50:59,989 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 20:50:59,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 20:50:59,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 20:50:59,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-18 20:51:00,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 20:51:00,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 20:51:00,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 20:51:00,003 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 [2020-08-18 20:51:00,024 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 20:51:00,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 20:51:00,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 20:51:00,026 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 20:51:00,026 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 20:51:00,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 20:51:00,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 20:51:00,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 20:51:00,027 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 20:51:00,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 20:51:00,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 20:51:00,027 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 20:51:00,028 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 20:51:00,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 20:51:00,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 20:51:00,028 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 20:51:00,028 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 20:51:00,029 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 20:51:00,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 20:51:00,029 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 20:51:00,029 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 20:51:00,029 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 20:51:00,030 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 20:51:00,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 20:51:00,030 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 20:51:00,030 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 20:51:00,030 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-18 20:51:00,030 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 -> enumeration-timeout=5;interpolation-heuristic=SHALLOWEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SHALLOWEST; [2020-08-18 20:51:00,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 20:51:00,367 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 20:51:00,371 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 20:51:00,373 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 20:51:00,373 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 20:51:00,374 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-bt8xx-bttv.cil.i [2020-08-18 20:51:00,439 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a7d2d9468/6b39ff9ff4ed45a2b4bac2584e9832d4/FLAGc5de98fd0 [2020-08-18 20:51:01,605 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 20:51:01,607 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-bt8xx-bttv.cil.i [2020-08-18 20:51:01,702 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a7d2d9468/6b39ff9ff4ed45a2b4bac2584e9832d4/FLAGc5de98fd0 [2020-08-18 20:51:01,788 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a7d2d9468/6b39ff9ff4ed45a2b4bac2584e9832d4 [2020-08-18 20:51:01,797 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 20:51:01,798 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 20:51:01,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 20:51:01,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 20:51:01,804 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 20:51:01,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 08:51:01" (1/1) ... [2020-08-18 20:51:01,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2187a66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:51:01, skipping insertion in model container [2020-08-18 20:51:01,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 08:51:01" (1/1) ... [2020-08-18 20:51:01,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 20:51:02,131 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 20:51:06,830 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-08-18 20:51:06,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5f6a300e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:51:06, skipping insertion in model container [2020-08-18 20:51:06,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 20:51:06,833 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-08-18 20:51:06,836 INFO L168 Benchmark]: Toolchain (without parser) took 5036.34 ms. Allocated memory was 140.0 MB in the beginning and 300.4 MB in the end (delta: 160.4 MB). Free memory was 65.4 MB in the beginning and 148.0 MB in the end (delta: -82.6 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. [2020-08-18 20:51:06,837 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 20:51:06,839 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5032.73 ms. Allocated memory was 140.0 MB in the beginning and 300.4 MB in the end (delta: 160.4 MB). Free memory was 65.2 MB in the beginning and 148.0 MB in the end (delta: -82.8 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2020-08-18 20:51:06,841 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 5032.73 ms. Allocated memory was 140.0 MB in the beginning and 300.4 MB in the end (delta: 160.4 MB). Free memory was 65.2 MB in the beginning and 148.0 MB in the end (delta: -82.8 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 8716]: 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...