./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--host--xhci-hcd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32f912a-d9d2-4e2a-9f58-c7d15443fc9a/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32f912a-d9d2-4e2a-9f58-c7d15443fc9a/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32f912a-d9d2-4e2a-9f58-c7d15443fc9a/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32f912a-d9d2-4e2a-9f58-c7d15443fc9a/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--host--xhci-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32f912a-d9d2-4e2a-9f58-c7d15443fc9a/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32f912a-d9d2-4e2a-9f58-c7d15443fc9a/bin/utaipan-9zjyvhn0QE --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c827a61b1bbb9c5c1e37f58d7d9f3265f099c14ea65a91f284702cf2a87c4d7f ....................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32f912a-d9d2-4e2a-9f58-c7d15443fc9a/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32f912a-d9d2-4e2a-9f58-c7d15443fc9a/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32f912a-d9d2-4e2a-9f58-c7d15443fc9a/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32f912a-d9d2-4e2a-9f58-c7d15443fc9a/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--host--xhci-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32f912a-d9d2-4e2a-9f58-c7d15443fc9a/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32f912a-d9d2-4e2a-9f58-c7d15443fc9a/bin/utaipan-9zjyvhn0QE --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c827a61b1bbb9c5c1e37f58d7d9f3265f099c14ea65a91f284702cf2a87c4d7f ................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 11:10:16,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:10:16,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:10:16,263 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:10:16,263 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:10:16,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:10:16,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:10:16,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:10:16,278 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:10:16,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:10:16,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:10:16,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:10:16,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:10:16,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:10:16,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:10:16,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:10:16,299 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:10:16,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:10:16,303 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:10:16,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:10:16,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:10:16,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:10:16,318 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:10:16,319 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:10:16,329 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:10:16,329 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:10:16,330 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:10:16,332 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:10:16,333 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:10:16,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:10:16,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:10:16,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:10:16,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:10:16,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:10:16,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:10:16,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:10:16,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:10:16,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:10:16,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:10:16,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:10:16,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:10:16,348 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32f912a-d9d2-4e2a-9f58-c7d15443fc9a/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-10-24 11:10:16,403 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:10:16,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:10:16,405 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:10:16,406 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:10:16,406 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:10:16,406 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:10:16,407 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 11:10:16,407 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:10:16,415 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:10:16,415 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 11:10:16,417 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 11:10:16,417 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:10:16,417 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 11:10:16,418 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 11:10:16,418 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 11:10:16,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:10:16,420 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 11:10:16,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:10:16,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:10:16,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:10:16,421 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:10:16,421 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:10:16,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:10:16,422 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:10:16,422 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:10:16,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:10:16,423 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:10:16,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:10:16,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:10:16,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:10:16,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:10:16,427 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 11:10:16,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 11:10:16,427 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:10:16,428 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:10:16,428 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:10:16,429 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32f912a-d9d2-4e2a-9f58-c7d15443fc9a/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32f912a-d9d2-4e2a-9f58-c7d15443fc9a/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c827a61b1bbb9c5c1e37f58d7d9f3265f099c14ea65a91f284702cf2a87c4d7f [2021-10-24 11:10:16,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:10:16,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:10:16,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:10:16,794 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:10:16,801 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:10:16,802 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32f912a-d9d2-4e2a-9f58-c7d15443fc9a/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--host--xhci-hcd.ko-entry_point.cil.out.i [2021-10-24 11:10:16,891 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32f912a-d9d2-4e2a-9f58-c7d15443fc9a/bin/utaipan-9zjyvhn0QE/data/898a95a9e/c33a9aa32bdf4589b9a0a47b2df291c6/FLAG2b913efdf [2021-10-24 11:10:18,387 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:10:18,388 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32f912a-d9d2-4e2a-9f58-c7d15443fc9a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--host--xhci-hcd.ko-entry_point.cil.out.i [2021-10-24 11:10:18,491 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32f912a-d9d2-4e2a-9f58-c7d15443fc9a/bin/utaipan-9zjyvhn0QE/data/898a95a9e/c33a9aa32bdf4589b9a0a47b2df291c6/FLAG2b913efdf [2021-10-24 11:10:18,861 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32f912a-d9d2-4e2a-9f58-c7d15443fc9a/bin/utaipan-9zjyvhn0QE/data/898a95a9e/c33a9aa32bdf4589b9a0a47b2df291c6 [2021-10-24 11:10:18,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:10:18,865 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:10:18,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:10:18,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:10:18,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:10:18,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:10:18" (1/1) ... [2021-10-24 11:10:18,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@717d5960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:18, skipping insertion in model container [2021-10-24 11:10:18,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:10:18" (1/1) ... [2021-10-24 11:10:18,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:10:19,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:10:23,169 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xhci_dbg_trace [2021-10-24 11:10:23,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@781ef4e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:23, skipping insertion in model container [2021-10-24 11:10:23,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:10:23,171 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 11:10:23,174 INFO L168 Benchmark]: Toolchain (without parser) took 4307.11 ms. Allocated memory was 100.7 MB in the beginning and 136.3 MB in the end (delta: 35.7 MB). Free memory was 50.5 MB in the beginning and 84.3 MB in the end (delta: -33.8 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2021-10-24 11:10:23,175 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 100.7 MB. Free memory is still 79.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:10:23,177 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4304.90 ms. Allocated memory was 100.7 MB in the beginning and 136.3 MB in the end (delta: 35.7 MB). Free memory was 50.5 MB in the beginning and 84.3 MB in the end (delta: -33.8 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2021-10-24 11:10:23,181 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 100.7 MB. Free memory is still 79.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4304.90 ms. Allocated memory was 100.7 MB in the beginning and 136.3 MB in the end (delta: 35.7 MB). Free memory was 50.5 MB in the beginning and 84.3 MB in the end (delta: -33.8 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6716]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xhci_dbg_trace RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 11:10:25,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:10:25,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:10:25,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:10:25,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:10:25,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:10:25,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:10:25,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:10:25,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:10:25,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:10:25,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:10:25,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:10:25,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:10:26,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:10:26,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:10:26,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:10:26,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:10:26,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:10:26,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:10:26,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:10:26,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:10:26,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:10:26,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:10:26,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:10:26,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:10:26,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:10:26,040 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:10:26,041 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:10:26,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:10:26,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:10:26,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:10:26,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:10:26,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:10:26,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:10:26,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:10:26,048 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:10:26,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:10:26,049 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:10:26,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:10:26,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:10:26,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:10:26,053 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32f912a-d9d2-4e2a-9f58-c7d15443fc9a/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-10-24 11:10:26,098 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:10:26,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:10:26,099 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:10:26,099 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:10:26,100 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:10:26,100 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:10:26,100 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:10:26,100 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:10:26,101 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:10:26,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:10:26,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:10:26,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:10:26,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:10:26,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:10:26,103 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:10:26,103 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 11:10:26,103 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 11:10:26,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:10:26,104 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:10:26,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:10:26,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:10:26,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 11:10:26,107 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:10:26,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:10:26,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:10:26,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:10:26,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:10:26,108 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 11:10:26,109 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 11:10:26,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:10:26,110 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:10:26,110 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:10:26,110 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32f912a-d9d2-4e2a-9f58-c7d15443fc9a/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32f912a-d9d2-4e2a-9f58-c7d15443fc9a/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c827a61b1bbb9c5c1e37f58d7d9f3265f099c14ea65a91f284702cf2a87c4d7f [2021-10-24 11:10:26,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:10:26,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:10:26,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:10:26,584 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:10:26,585 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:10:26,586 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32f912a-d9d2-4e2a-9f58-c7d15443fc9a/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--host--xhci-hcd.ko-entry_point.cil.out.i [2021-10-24 11:10:26,683 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32f912a-d9d2-4e2a-9f58-c7d15443fc9a/bin/utaipan-9zjyvhn0QE/data/580e78646/3b50366881ca4e25a939c214cadd0b7b/FLAG3e7509b31 [2021-10-24 11:10:28,242 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:10:28,244 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32f912a-d9d2-4e2a-9f58-c7d15443fc9a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--usb--host--xhci-hcd.ko-entry_point.cil.out.i [2021-10-24 11:10:28,374 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32f912a-d9d2-4e2a-9f58-c7d15443fc9a/bin/utaipan-9zjyvhn0QE/data/580e78646/3b50366881ca4e25a939c214cadd0b7b/FLAG3e7509b31 [2021-10-24 11:10:28,685 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b32f912a-d9d2-4e2a-9f58-c7d15443fc9a/bin/utaipan-9zjyvhn0QE/data/580e78646/3b50366881ca4e25a939c214cadd0b7b [2021-10-24 11:10:28,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:10:28,692 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:10:28,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:10:28,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:10:28,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:10:28,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:10:28" (1/1) ... [2021-10-24 11:10:28,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@782e2f21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:28, skipping insertion in model container [2021-10-24 11:10:28,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:10:28" (1/1) ... [2021-10-24 11:10:28,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:10:29,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:10:32,892 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xhci_dbg_trace [2021-10-24 11:10:32,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2767c84f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:10:32, skipping insertion in model container [2021-10-24 11:10:32,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:10:32,896 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 11:10:32,899 INFO L168 Benchmark]: Toolchain (without parser) took 4205.30 ms. Allocated memory was 75.5 MB in the beginning and 123.7 MB in the end (delta: 48.2 MB). Free memory was 35.2 MB in the beginning and 65.5 MB in the end (delta: -30.3 MB). Peak memory consumption was 52.8 MB. Max. memory is 16.1 GB. [2021-10-24 11:10:32,901 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 58.7 MB. Free memory is still 39.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:10:32,903 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4201.65 ms. Allocated memory was 75.5 MB in the beginning and 123.7 MB in the end (delta: 48.2 MB). Free memory was 34.9 MB in the beginning and 65.5 MB in the end (delta: -30.6 MB). Peak memory consumption was 50.7 MB. Max. memory is 16.1 GB. [2021-10-24 11:10:32,905 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 58.7 MB. Free memory is still 39.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4201.65 ms. Allocated memory was 75.5 MB in the beginning and 123.7 MB in the end (delta: 48.2 MB). Free memory was 34.9 MB in the beginning and 65.5 MB in the end (delta: -30.6 MB). Peak memory consumption was 50.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6716]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xhci_dbg_trace RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...