/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic BIGGEST_EQUIVALENCE_CLASS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.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 0.1.25-d623d84 [2020-07-22 02:04:19,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-22 02:04:19,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-22 02:04:19,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-22 02:04:19,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-22 02:04:19,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-22 02:04:19,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-22 02:04:19,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-22 02:04:19,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-22 02:04:19,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-22 02:04:19,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-22 02:04:19,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-22 02:04:19,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-22 02:04:19,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-22 02:04:19,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-22 02:04:19,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-22 02:04:19,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-22 02:04:19,286 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-22 02:04:19,287 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-22 02:04:19,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-22 02:04:19,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-22 02:04:19,301 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-22 02:04:19,302 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-22 02:04:19,303 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-22 02:04:19,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-22 02:04:19,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-22 02:04:19,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-22 02:04:19,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-22 02:04:19,319 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-07-22 02:04:19,339 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-22 02:04:19,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-22 02:04:19,340 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-22 02:04:19,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-22 02:04:19,341 INFO L138 SettingsManager]: * Use SBE=true [2020-07-22 02:04:19,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-22 02:04:19,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-22 02:04:19,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-22 02:04:19,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-22 02:04:19,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-22 02:04:19,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-22 02:04:19,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-22 02:04:19,342 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-22 02:04:19,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-22 02:04:19,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-22 02:04:19,343 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-22 02:04:19,343 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-22 02:04:19,343 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-22 02:04:19,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-22 02:04:19,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-22 02:04:19,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-22 02:04:19,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-22 02:04:19,344 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-22 02:04:19,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-22 02:04:19,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-22 02:04:19,345 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-22 02:04:19,345 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-22 02:04:19,345 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 -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> BIGGEST_EQUIVALENCE_CLASS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-22 02:04:19,650 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-22 02:04:19,669 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-22 02:04:19,674 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-22 02:04:19,679 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-22 02:04:19,679 INFO L275 PluginConnector]: CDTParser initialized [2020-07-22 02:04:19,680 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i [2020-07-22 02:04:19,754 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8686ada3/e5168adc6e1845b0b52a08f246264b1c/FLAG80f141f00 [2020-07-22 02:04:20,648 INFO L306 CDTParser]: Found 1 translation units. [2020-07-22 02:04:20,649 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i [2020-07-22 02:04:20,688 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8686ada3/e5168adc6e1845b0b52a08f246264b1c/FLAG80f141f00 [2020-07-22 02:04:21,101 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8686ada3/e5168adc6e1845b0b52a08f246264b1c [2020-07-22 02:04:21,109 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-22 02:04:21,112 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-22 02:04:21,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-22 02:04:21,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-22 02:04:21,116 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-22 02:04:21,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:04:21" (1/1) ... [2020-07-22 02:04:21,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19b9df55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:04:21, skipping insertion in model container [2020-07-22 02:04:21,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:04:21" (1/1) ... [2020-07-22 02:04:21,128 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-22 02:04:21,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-22 02:04:21,885 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4405] [2020-07-22 02:04:23,209 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-07-22 02:04:23,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1aa0c8bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:04:23, skipping insertion in model container [2020-07-22 02:04:23,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-22 02:04:23,211 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-07-22 02:04:23,215 INFO L168 Benchmark]: Toolchain (without parser) took 2102.00 ms. Allocated memory was 144.2 MB in the beginning and 232.8 MB in the end (delta: 88.6 MB). Free memory was 90.4 MB in the beginning and 166.1 MB in the end (delta: -75.6 MB). Peak memory consumption was 40.8 MB. Max. memory is 7.1 GB. [2020-07-22 02:04:23,216 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 144.2 MB. Free memory is still 120.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-22 02:04:23,217 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2098.06 ms. Allocated memory was 144.2 MB in the beginning and 232.8 MB in the end (delta: 88.6 MB). Free memory was 90.2 MB in the beginning and 166.1 MB in the end (delta: -75.8 MB). Peak memory consumption was 40.6 MB. Max. memory is 7.1 GB. [2020-07-22 02:04:23,220 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 144.2 MB. Free memory is still 120.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2098.06 ms. Allocated memory was 144.2 MB in the beginning and 232.8 MB in the end (delta: 88.6 MB). Free memory was 90.2 MB in the beginning and 166.1 MB in the end (delta: -75.8 MB). Peak memory consumption was 40.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6439]: 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...