/usr/bin/java -ea -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.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_64.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 0.1.25-46f3038-m [2020-07-09 01:49:22,506 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-09 01:49:22,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-09 01:49:22,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-09 01:49:22,557 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-09 01:49:22,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-09 01:49:22,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-09 01:49:22,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-09 01:49:22,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-09 01:49:22,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-09 01:49:22,572 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-09 01:49:22,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-09 01:49:22,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-09 01:49:22,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-09 01:49:22,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-09 01:49:22,590 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-09 01:49:22,591 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-09 01:49:22,592 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-09 01:49:22,593 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_64.epf [2020-07-09 01:49:22,615 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-09 01:49:22,615 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-09 01:49:22,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-09 01:49:22,616 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-09 01:49:22,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-09 01:49:22,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-09 01:49:22,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-09 01:49:22,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-09 01:49:22,617 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-09 01:49:22,618 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-09 01:49:22,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-09 01:49:22,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-09 01:49:22,618 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-09 01:49:22,618 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-09 01:49:22,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-09 01:49:22,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-09 01:49:22,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-09 01:49:22,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-09 01:49:22,619 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-09 01:49:22,620 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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: Use separate solver for trace checks -> true [2020-07-09 01:49:22,908 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-09 01:49:22,926 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-09 01:49:22,932 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-09 01:49:22,933 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-09 01:49:22,934 INFO L275 PluginConnector]: CDTParser initialized [2020-07-09 01:49:22,936 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-bt8xx-bttv.cil.i [2020-07-09 01:49:23,002 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e32ebe32e/d806a8f4b26246a6806c603d90fe2d93/FLAGfbebe3f83 [2020-07-09 01:49:24,078 INFO L306 CDTParser]: Found 1 translation units. [2020-07-09 01:49:24,079 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-bt8xx-bttv.cil.i [2020-07-09 01:49:24,167 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e32ebe32e/d806a8f4b26246a6806c603d90fe2d93/FLAGfbebe3f83 [2020-07-09 01:49:24,352 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e32ebe32e/d806a8f4b26246a6806c603d90fe2d93 [2020-07-09 01:49:24,367 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-09 01:49:24,370 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-09 01:49:24,374 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-09 01:49:24,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-09 01:49:24,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-09 01:49:24,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.07 01:49:24" (1/1) ... [2020-07-09 01:49:24,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b347b14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 01:49:24, skipping insertion in model container [2020-07-09 01:49:24,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.07 01:49:24" (1/1) ... [2020-07-09 01:49:24,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-09 01:49:24,792 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-09 01:49:28,737 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-07-09 01:49:28,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6ee62d01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 01:49:28, skipping insertion in model container [2020-07-09 01:49:28,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-09 01:49:28,739 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-07-09 01:49:28,742 INFO L168 Benchmark]: Toolchain (without parser) took 4372.65 ms. Allocated memory was 144.2 MB in the beginning and 297.3 MB in the end (delta: 153.1 MB). Free memory was 64.9 MB in the beginning and 140.9 MB in the end (delta: -76.0 MB). Peak memory consumption was 91.9 MB. Max. memory is 7.1 GB. [2020-07-09 01:49:28,743 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 144.2 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-09 01:49:28,744 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4364.96 ms. Allocated memory was 144.2 MB in the beginning and 297.3 MB in the end (delta: 153.1 MB). Free memory was 64.7 MB in the beginning and 140.9 MB in the end (delta: -76.2 MB). Peak memory consumption was 91.7 MB. Max. memory is 7.1 GB. [2020-07-09 01:49:28,746 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 144.2 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4364.96 ms. Allocated memory was 144.2 MB in the beginning and 297.3 MB in the end (delta: 153.1 MB). Free memory was 64.7 MB in the beginning and 140.9 MB in the end (delta: -76.2 MB). Peak memory consumption was 91.7 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...