./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f6d30df66b2fe2218df31f96349e1c7548e8362b ............................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f6d30df66b2fe2218df31f96349e1c7548e8362b ................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 01:36:40,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 01:36:40,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 01:36:40,465 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 01:36:40,466 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 01:36:40,472 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 01:36:40,476 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 01:36:40,483 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 01:36:40,487 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 01:36:40,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 01:36:40,496 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 01:36:40,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 01:36:40,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 01:36:40,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 01:36:40,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 01:36:40,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 01:36:40,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 01:36:40,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 01:36:40,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 01:36:40,531 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 01:36:40,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 01:36:40,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 01:36:40,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 01:36:40,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 01:36:40,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 01:36:40,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 01:36:40,551 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 01:36:40,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 01:36:40,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 01:36:40,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 01:36:40,557 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 01:36:40,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 01:36:40,560 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 01:36:40,561 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 01:36:40,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 01:36:40,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 01:36:40,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 01:36:40,568 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 01:36:40,568 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 01:36:40,571 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 01:36:40,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 01:36:40,573 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-26 01:36:40,633 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 01:36:40,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 01:36:40,636 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 01:36:40,636 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 01:36:40,637 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 01:36:40,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 01:36:40,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 01:36:40,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 01:36:40,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 01:36:40,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 01:36:40,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 01:36:40,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 01:36:40,641 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 01:36:40,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 01:36:40,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 01:36:40,642 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 01:36:40,642 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 01:36:40,642 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 01:36:40,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 01:36:40,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 01:36:40,644 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 01:36:40,644 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 01:36:40,644 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 01:36:40,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 01:36:40,645 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 01:36:40,645 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 01:36:40,645 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-26 01:36:40,646 INFO L138 SettingsManager]: * To the following directory=dump/ 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6d30df66b2fe2218df31f96349e1c7548e8362b [2020-10-26 01:36:41,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 01:36:41,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 01:36:41,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 01:36:41,115 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 01:36:41,117 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 01:36:41,118 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i [2020-10-26 01:36:41,200 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8251f67e0/eb0b4da49c7a4e3183bad9caea6b41d7/FLAG23945a2bb [2020-10-26 01:36:42,156 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 01:36:42,157 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i [2020-10-26 01:36:42,203 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8251f67e0/eb0b4da49c7a4e3183bad9caea6b41d7/FLAG23945a2bb [2020-10-26 01:36:42,644 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8251f67e0/eb0b4da49c7a4e3183bad9caea6b41d7 [2020-10-26 01:36:42,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 01:36:42,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 01:36:42,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 01:36:42,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 01:36:42,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 01:36:42,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 01:36:42" (1/1) ... [2020-10-26 01:36:42,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c42a196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 01:36:42, skipping insertion in model container [2020-10-26 01:36:42,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 01:36:42" (1/1) ... [2020-10-26 01:36:42,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 01:36:42,819 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 01:36:43,397 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4416] [2020-10-26 01:36:44,778 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-10-26 01:36:44,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@46bef06c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 01:36:44, skipping insertion in model container [2020-10-26 01:36:44,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 01:36:44,780 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-10-26 01:36:44,784 INFO L168 Benchmark]: Toolchain (without parser) took 2133.60 ms. Allocated memory was 48.2 MB in the beginning and 81.8 MB in the end (delta: 33.6 MB). Free memory was 23.6 MB in the beginning and 43.8 MB in the end (delta: -20.1 MB). Peak memory consumption was 25.7 MB. Max. memory is 16.1 GB. [2020-10-26 01:36:44,785 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 48.2 MB. Free memory was 29.9 MB in the beginning and 29.9 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 01:36:44,787 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2125.18 ms. Allocated memory was 48.2 MB in the beginning and 81.8 MB in the end (delta: 33.6 MB). Free memory was 22.9 MB in the beginning and 43.8 MB in the end (delta: -20.8 MB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. [2020-10-26 01:36:44,790 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 48.2 MB. Free memory was 29.9 MB in the beginning and 29.9 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2125.18 ms. Allocated memory was 48.2 MB in the beginning and 81.8 MB in the end (delta: 33.6 MB). Free memory was 22.9 MB in the beginning and 43.8 MB in the end (delta: -20.8 MB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 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... ### Bit-precise run ### This is Ultimate 0.2.0-5485861 [2020-10-26 01:36:47,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 01:36:47,218 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 01:36:47,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 01:36:47,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 01:36:47,287 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 01:36:47,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 01:36:47,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 01:36:47,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 01:36:47,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 01:36:47,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 01:36:47,316 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 01:36:47,317 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 01:36:47,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 01:36:47,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 01:36:47,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 01:36:47,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 01:36:47,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 01:36:47,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 01:36:47,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 01:36:47,349 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 01:36:47,351 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 01:36:47,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 01:36:47,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 01:36:47,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 01:36:47,367 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 01:36:47,368 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 01:36:47,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 01:36:47,371 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 01:36:47,372 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 01:36:47,372 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 01:36:47,374 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 01:36:47,376 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 01:36:47,378 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 01:36:47,379 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 01:36:47,380 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 01:36:47,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 01:36:47,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 01:36:47,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 01:36:47,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 01:36:47,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 01:36:47,388 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2020-10-26 01:36:47,450 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 01:36:47,450 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 01:36:47,453 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 01:36:47,453 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 01:36:47,454 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 01:36:47,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 01:36:47,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 01:36:47,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 01:36:47,456 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 01:36:47,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 01:36:47,458 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-26 01:36:47,459 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-26 01:36:47,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 01:36:47,459 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 01:36:47,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 01:36:47,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 01:36:47,460 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 01:36:47,461 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 01:36:47,461 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 01:36:47,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 01:36:47,462 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 01:36:47,462 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 01:36:47,463 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 01:36:47,463 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-26 01:36:47,463 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-26 01:36:47,464 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 01:36:47,464 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 01:36:47,464 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-26 01:36:47,465 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2020-10-26 01:36:47,465 INFO L138 SettingsManager]: * To the following directory=dump/ 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6d30df66b2fe2218df31f96349e1c7548e8362b [2020-10-26 01:36:47,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 01:36:47,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 01:36:47,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 01:36:47,985 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 01:36:47,987 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 01:36:47,988 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i [2020-10-26 01:36:48,083 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30d21b654/74878b16848d47029ddc193315e2d81e/FLAGc976906b2 [2020-10-26 01:36:49,230 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 01:36:49,231 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i [2020-10-26 01:36:49,302 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30d21b654/74878b16848d47029ddc193315e2d81e/FLAGc976906b2 [2020-10-26 01:36:49,553 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30d21b654/74878b16848d47029ddc193315e2d81e [2020-10-26 01:36:49,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 01:36:49,567 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 01:36:49,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 01:36:49,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 01:36:49,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 01:36:49,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 01:36:49" (1/1) ... [2020-10-26 01:36:49,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@191288e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 01:36:49, skipping insertion in model container [2020-10-26 01:36:49,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 01:36:49" (1/1) ... [2020-10-26 01:36:49,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 01:36:49,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 01:36:50,409 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4416] [2020-10-26 01:36:51,602 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-10-26 01:36:51,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2f491aab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 01:36:51, skipping insertion in model container [2020-10-26 01:36:51,606 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 01:36:51,607 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-10-26 01:36:51,612 INFO L168 Benchmark]: Toolchain (without parser) took 2047.26 ms. Allocated memory was 58.7 MB in the beginning and 94.4 MB in the end (delta: 35.7 MB). Free memory was 34.4 MB in the beginning and 46.5 MB in the end (delta: -12.0 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. [2020-10-26 01:36:51,616 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 46.1 MB. Free memory is still 27.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 01:36:51,617 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2035.39 ms. Allocated memory was 58.7 MB in the beginning and 94.4 MB in the end (delta: 35.7 MB). Free memory was 33.7 MB in the beginning and 46.5 MB in the end (delta: -12.8 MB). Peak memory consumption was 25.1 MB. Max. memory is 16.1 GB. [2020-10-26 01:36:51,620 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 46.1 MB. Free memory is still 27.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2035.39 ms. Allocated memory was 58.7 MB in the beginning and 94.4 MB in the end (delta: 35.7 MB). Free memory was 33.7 MB in the beginning and 46.5 MB in the end (delta: -12.8 MB). Peak memory consumption was 25.1 MB. Max. memory is 16.1 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...