/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 03:58:37,821 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-10-24 03:58:37,915 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 03:58:37,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 03:58:37,920 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 03:58:37,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 03:58:37,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 03:58:37,927 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 03:58:37,954 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 03:58:37,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 03:58:37,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 03:58:37,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 03:58:37,968 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 03:58:37,971 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 03:58:37,980 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-24 03:58:37,998 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_64.epf [2020-10-24 03:58:38,021 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 03:58:38,021 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 03:58:38,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 03:58:38,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 03:58:38,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 03:58:38,027 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 03:58:38,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 03:58:38,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 03:58:38,027 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 03:58:38,028 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 03:58:38,029 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 03:58:38,029 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 03:58:38,029 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 03:58:38,030 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 03:58:38,030 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 03:58:38,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 03:58:38,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 03:58:38,031 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 03:58:38,031 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 03:58:38,031 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 03:58:38,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 03:58:38,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 03:58:38,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 03:58:38,507 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 03:58:38,508 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 03:58:38,509 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i [2020-10-24 03:58:38,589 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/441e3fd4a/07b6005abc4f485c80fcae98c4a7fadf/FLAGe94246bec [2020-10-24 03:58:39,770 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 03:58:39,770 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i [2020-10-24 03:58:39,832 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/441e3fd4a/07b6005abc4f485c80fcae98c4a7fadf/FLAGe94246bec [2020-10-24 03:58:40,215 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/441e3fd4a/07b6005abc4f485c80fcae98c4a7fadf [2020-10-24 03:58:40,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 03:58:40,228 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 03:58:40,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 03:58:40,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 03:58:40,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 03:58:40,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:58:40" (1/1) ... [2020-10-24 03:58:40,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a329b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:58:40, skipping insertion in model container [2020-10-24 03:58:40,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:58:40" (1/1) ... [2020-10-24 03:58:40,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 03:58:40,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 03:58:41,069 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4416] [2020-10-24 03:58:42,299 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-10-24 03:58:42,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@66186569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:58:42, skipping insertion in model container [2020-10-24 03:58:42,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 03:58:42,301 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-24 03:58:42,305 INFO L168 Benchmark]: Toolchain (without parser) took 2079.60 ms. Allocated memory is still 152.0 MB. Free memory was 117.3 MB in the beginning and 114.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 41.6 MB. Max. memory is 8.0 GB. [2020-10-24 03:58:42,306 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 152.0 MB. Free memory is still 126.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-24 03:58:42,310 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2068.00 ms. Allocated memory is still 152.0 MB. Free memory was 116.7 MB in the beginning and 114.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 41.6 MB. Max. memory is 8.0 GB. [2020-10-24 03:58:42,314 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 152.0 MB. Free memory is still 126.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 2068.00 ms. Allocated memory is still 152.0 MB. Free memory was 116.7 MB in the beginning and 114.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 41.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6450]: 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...