./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.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-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.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 434f02b4db38add7869fca858f59b2486fa0dd27 .............................................................................................................................. 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-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.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 434f02b4db38add7869fca858f59b2486fa0dd27 ................................................................................................................................ 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 01:34:31,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 01:34:31,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 01:34:32,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 01:34:32,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 01:34:32,034 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 01:34:32,036 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 01:34:32,038 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 01:34:32,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 01:34:32,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 01:34:32,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 01:34:32,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 01:34:32,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 01:34:32,047 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 01:34:32,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 01:34:32,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 01:34:32,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 01:34:32,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 01:34:32,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 01:34:32,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 01:34:32,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 01:34:32,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 01:34:32,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 01:34:32,068 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 01:34:32,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 01:34:32,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 01:34:32,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 01:34:32,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 01:34:32,083 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 01:34:32,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 01:34:32,085 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 01:34:32,086 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 01:34:32,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 01:34:32,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 01:34:32,094 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 01:34:32,096 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 01:34:32,097 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 01:34:32,098 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 01:34:32,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 01:34:32,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 01:34:32,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 01:34:32,105 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-26 01:34:32,140 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 01:34:32,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 01:34:32,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 01:34:32,143 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 01:34:32,144 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 01:34:32,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 01:34:32,144 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 01:34:32,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 01:34:32,145 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 01:34:32,145 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 01:34:32,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 01:34:32,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 01:34:32,147 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 01:34:32,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 01:34:32,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 01:34:32,148 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 01:34:32,148 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 01:34:32,148 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 01:34:32,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 01:34:32,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 01:34:32,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 01:34:32,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 01:34:32,150 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 01:34:32,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 01:34:32,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 01:34:32,150 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 01:34:32,151 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-26 01:34:32,151 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 434f02b4db38add7869fca858f59b2486fa0dd27 [2020-10-26 01:34:32,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 01:34:32,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 01:34:32,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 01:34:32,624 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 01:34:32,625 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 01:34:32,626 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i [2020-10-26 01:34:32,712 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43ee3db89/923130b140bd477e87ac668795aab85f/FLAG891ad7c99 [2020-10-26 01:34:33,960 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 01:34:33,961 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i [2020-10-26 01:34:34,038 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43ee3db89/923130b140bd477e87ac668795aab85f/FLAG891ad7c99 [2020-10-26 01:34:34,125 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43ee3db89/923130b140bd477e87ac668795aab85f [2020-10-26 01:34:34,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 01:34:34,138 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 01:34:34,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 01:34:34,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 01:34:34,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 01:34:34,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 01:34:34" (1/1) ... [2020-10-26 01:34:34,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22dcc9b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 01:34:34, skipping insertion in model container [2020-10-26 01:34:34,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 01:34:34" (1/1) ... [2020-10-26 01:34:34,160 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 01:34:34,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 01:34:36,714 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-10-26 01:34:36,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@35a5e28a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 01:34:36, skipping insertion in model container [2020-10-26 01:34:36,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 01:34:36,717 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-10-26 01:34:36,722 INFO L168 Benchmark]: Toolchain (without parser) took 2585.48 ms. Allocated memory was 54.5 MB in the beginning and 88.1 MB in the end (delta: 33.6 MB). Free memory was 22.9 MB in the beginning and 32.1 MB in the end (delta: -9.2 MB). Peak memory consumption was 27.9 MB. Max. memory is 16.1 GB. [2020-10-26 01:34:36,725 INFO L168 Benchmark]: CDTParser took 0.81 ms. Allocated memory is still 41.9 MB. Free memory was 21.7 MB in the beginning and 21.6 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 01:34:36,731 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2575.93 ms. Allocated memory was 54.5 MB in the beginning and 88.1 MB in the end (delta: 33.6 MB). Free memory was 22.2 MB in the beginning and 32.1 MB in the end (delta: -9.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 16.1 GB. [2020-10-26 01:34:36,735 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81 ms. Allocated memory is still 41.9 MB. Free memory was 21.7 MB in the beginning and 21.6 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2575.93 ms. Allocated memory was 54.5 MB in the beginning and 88.1 MB in the end (delta: 33.6 MB). Free memory was 22.2 MB in the beginning and 32.1 MB in the end (delta: -9.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6751]: 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 01:34:39,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 01:34:39,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 01:34:39,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 01:34:39,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 01:34:39,225 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 01:34:39,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 01:34:39,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 01:34:39,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 01:34:39,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 01:34:39,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 01:34:39,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 01:34:39,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 01:34:39,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 01:34:39,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 01:34:39,261 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 01:34:39,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 01:34:39,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 01:34:39,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 01:34:39,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 01:34:39,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 01:34:39,282 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 01:34:39,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 01:34:39,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 01:34:39,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 01:34:39,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 01:34:39,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 01:34:39,298 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 01:34:39,299 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 01:34:39,300 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 01:34:39,300 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 01:34:39,301 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 01:34:39,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 01:34:39,307 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 01:34:39,308 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 01:34:39,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 01:34:39,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 01:34:39,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 01:34:39,310 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 01:34:39,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 01:34:39,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 01:34:39,324 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2020-10-26 01:34:39,378 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 01:34:39,379 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 01:34:39,382 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 01:34:39,383 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 01:34:39,383 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 01:34:39,383 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 01:34:39,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 01:34:39,384 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 01:34:39,384 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 01:34:39,385 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 01:34:39,386 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-26 01:34:39,386 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-26 01:34:39,386 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 01:34:39,386 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 01:34:39,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 01:34:39,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 01:34:39,387 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 01:34:39,388 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 01:34:39,388 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 01:34:39,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 01:34:39,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 01:34:39,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 01:34:39,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 01:34:39,389 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-26 01:34:39,390 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-26 01:34:39,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 01:34:39,390 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 01:34:39,390 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-26 01:34:39,391 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2020-10-26 01:34:39,391 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 434f02b4db38add7869fca858f59b2486fa0dd27 [2020-10-26 01:34:39,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 01:34:39,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 01:34:39,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 01:34:39,863 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 01:34:39,864 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 01:34:39,865 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i [2020-10-26 01:34:39,956 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8fbfcefc/c68740a7ca4942d38a3755136ddd6d10/FLAG1fee34bf8 [2020-10-26 01:34:41,357 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 01:34:41,358 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i [2020-10-26 01:34:41,482 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8fbfcefc/c68740a7ca4942d38a3755136ddd6d10/FLAG1fee34bf8 [2020-10-26 01:34:41,895 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8fbfcefc/c68740a7ca4942d38a3755136ddd6d10 [2020-10-26 01:34:41,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 01:34:41,909 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 01:34:41,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 01:34:41,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 01:34:41,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 01:34:41,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 01:34:41" (1/1) ... [2020-10-26 01:34:41,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10806ca8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 01:34:41, skipping insertion in model container [2020-10-26 01:34:41,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 01:34:41" (1/1) ... [2020-10-26 01:34:41,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 01:34:42,242 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 01:34:44,559 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-10-26 01:34:44,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@27fdc9bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 01:34:44, skipping insertion in model container [2020-10-26 01:34:44,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 01:34:44,561 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-10-26 01:34:44,566 INFO L168 Benchmark]: Toolchain (without parser) took 2661.08 ms. Allocated memory was 56.6 MB in the beginning and 90.2 MB in the end (delta: 33.6 MB). Free memory was 24.1 MB in the beginning and 46.1 MB in the end (delta: -22.0 MB). Peak memory consumption was 34.5 MB. Max. memory is 16.1 GB. [2020-10-26 01:34:44,569 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 41.9 MB. Free memory was 22.6 MB in the beginning and 22.5 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 01:34:44,572 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2627.83 ms. Allocated memory was 56.6 MB in the beginning and 90.2 MB in the end (delta: 33.6 MB). Free memory was 28.3 MB in the beginning and 46.1 MB in the end (delta: -17.8 MB). Peak memory consumption was 37.1 MB. Max. memory is 16.1 GB. [2020-10-26 01:34:44,576 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 41.9 MB. Free memory was 22.6 MB in the beginning and 22.5 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2627.83 ms. Allocated memory was 56.6 MB in the beginning and 90.2 MB in the end (delta: 33.6 MB). Free memory was 28.3 MB in the beginning and 46.1 MB in the end (delta: -17.8 MB). Peak memory consumption was 37.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6751]: 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...