./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-misc-iowarrior.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-misc-iowarrior.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/bin/utaipan-fb15Y9Yzbl --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 f3090fd14639372da088dcbc149768c93516e312be941c28b3a0b4b80aaee842 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:23:48,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:23:48,282 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:23:48,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:23:48,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:23:48,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:23:48,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:23:48,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:23:48,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:23:48,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:23:48,383 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:23:48,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:23:48,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:23:48,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:23:48,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:23:48,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:23:48,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:23:48,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:23:48,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:23:48,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:23:48,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:23:48,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:23:48,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:23:48,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:23:48,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:23:48,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:23:48,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:23:48,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:23:48,447 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:23:48,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:23:48,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:23:48,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:23:48,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:23:48,456 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:23:48,458 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:23:48,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:23:48,460 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:23:48,460 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:23:48,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:23:48,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:23:48,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:23:48,464 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 17:23:48,520 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:23:48,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:23:48,522 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:23:48,523 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:23:48,524 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:23:48,525 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:23:48,525 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:23:48,526 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:23:48,526 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:23:48,526 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:23:48,528 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:23:48,528 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:23:48,529 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:23:48,529 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:23:48,529 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:23:48,530 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:23:48,530 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:23:48,530 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:23:48,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:23:48,533 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:23:48,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:23:48,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:23:48,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:23:48,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:23:48,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:23:48,534 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:23:48,537 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:23:48,537 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:23:48,537 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:23:48,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:23:48,538 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:23:48,539 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:23:48,539 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:23:48,539 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:23:48,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:23:48,540 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:23:48,540 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:23:48,541 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:23:48,541 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_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3090fd14639372da088dcbc149768c93516e312be941c28b3a0b4b80aaee842 [2021-11-23 17:23:48,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:23:48,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:23:48,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:23:48,928 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:23:48,929 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:23:48,931 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-misc-iowarrior.ko.cil.out.i [2021-11-23 17:23:49,019 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/bin/utaipan-fb15Y9Yzbl/data/c245a035f/ad9ccf1130ba41df8854d46ba26e104f/FLAG7bf2ce3ea [2021-11-23 17:23:49,968 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:23:49,969 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-misc-iowarrior.ko.cil.out.i [2021-11-23 17:23:50,031 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/bin/utaipan-fb15Y9Yzbl/data/c245a035f/ad9ccf1130ba41df8854d46ba26e104f/FLAG7bf2ce3ea [2021-11-23 17:23:50,423 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/bin/utaipan-fb15Y9Yzbl/data/c245a035f/ad9ccf1130ba41df8854d46ba26e104f [2021-11-23 17:23:50,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:23:50,427 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:23:50,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:23:50,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:23:50,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:23:50,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:23:50" (1/1) ... [2021-11-23 17:23:50,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fa9dabc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:50, skipping insertion in model container [2021-11-23 17:23:50,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:23:50" (1/1) ... [2021-11-23 17:23:50,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:23:50,566 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:23:52,062 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-misc-iowarrior.ko.cil.out.i[159323,159336] [2021-11-23 17:23:52,114 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:23:52,215 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:23:52,567 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-misc-iowarrior.ko.cil.out.i[159323,159336] [2021-11-23 17:23:52,578 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:23:52,652 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:23:52,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:52 WrapperNode [2021-11-23 17:23:52,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:23:52,655 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:23:52,655 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:23:52,655 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:23:52,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:52" (1/1) ... [2021-11-23 17:23:52,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:52" (1/1) ... [2021-11-23 17:23:52,932 INFO L137 Inliner]: procedures = 131, calls = 748, calls flagged for inlining = 45, calls inlined = 42, statements flattened = 2145 [2021-11-23 17:23:52,932 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:23:52,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:23:52,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:23:52,934 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:23:52,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:52" (1/1) ... [2021-11-23 17:23:52,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:52" (1/1) ... [2021-11-23 17:23:52,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:52" (1/1) ... [2021-11-23 17:23:52,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:52" (1/1) ... [2021-11-23 17:23:53,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:52" (1/1) ... [2021-11-23 17:23:53,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:52" (1/1) ... [2021-11-23 17:23:53,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:52" (1/1) ... [2021-11-23 17:23:53,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:23:53,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:23:53,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:23:53,151 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:23:53,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:23:52" (1/1) ... [2021-11-23 17:23:53,165 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:23:53,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:23:53,199 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:23:53,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:23:53,267 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-23 17:23:53,267 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-23 17:23:53,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 17:23:53,270 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-11-23 17:23:53,270 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-11-23 17:23:53,270 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-23 17:23:53,270 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-23 17:23:53,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 17:23:53,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 17:23:53,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 17:23:53,271 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-11-23 17:23:53,271 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-11-23 17:23:53,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 17:23:53,272 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 17:23:53,272 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 17:23:53,272 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 17:23:53,272 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-23 17:23:53,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-23 17:23:53,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 17:23:53,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 17:23:53,273 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-23 17:23:53,273 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-23 17:23:53,274 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-11-23 17:23:53,274 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-11-23 17:23:53,274 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 17:23:53,274 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 17:23:53,275 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_init [2021-11-23 17:23:53,275 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_init [2021-11-23 17:23:53,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:23:53,275 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 17:23:53,275 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 17:23:53,276 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 17:23:53,276 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 17:23:53,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2021-11-23 17:23:53,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2021-11-23 17:23:53,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-23 17:23:53,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-23 17:23:53,277 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-23 17:23:53,277 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-23 17:23:53,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 17:23:53,278 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 17:23:53,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:23:53,278 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_exit [2021-11-23 17:23:53,278 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_exit [2021-11-23 17:23:53,279 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_delete [2021-11-23 17:23:53,279 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_delete [2021-11-23 17:23:53,279 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-23 17:23:53,280 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-23 17:23:53,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:23:53,281 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-11-23 17:23:53,283 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-11-23 17:23:53,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:23:53,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:23:53,283 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 17:23:53,284 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_report [2021-11-23 17:23:53,284 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_report [2021-11-23 17:23:53,284 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-11-23 17:23:53,285 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-11-23 17:23:53,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:23:53,285 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-23 17:23:53,286 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-23 17:23:53,287 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-23 17:23:53,287 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-23 17:23:53,287 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-23 17:23:53,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-23 17:23:53,287 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-23 17:23:53,290 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-23 17:23:53,290 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-11-23 17:23:53,291 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-11-23 17:23:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-11-23 17:23:53,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-11-23 17:23:53,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:23:53,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:23:53,293 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 17:23:53,293 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 17:23:53,293 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-11-23 17:23:53,293 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-11-23 17:23:53,293 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 17:23:53,294 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 17:23:53,294 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 17:23:53,294 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 17:23:53,294 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 17:23:53,294 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 17:23:53,295 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-23 17:23:53,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-23 17:23:53,295 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-23 17:23:53,295 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-23 17:23:53,296 INFO L130 BoogieDeclarations]: Found specification of procedure read_index [2021-11-23 17:23:53,296 INFO L138 BoogieDeclarations]: Found implementation of procedure read_index [2021-11-23 17:23:53,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2021-11-23 17:23:53,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2021-11-23 17:23:53,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:23:53,297 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-23 17:23:53,297 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-23 17:23:53,297 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-11-23 17:23:53,297 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-11-23 17:23:53,297 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-11-23 17:23:53,298 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-11-23 17:23:53,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 17:23:53,298 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-23 17:23:53,298 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-23 17:23:53,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:23:53,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:23:53,901 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:23:53,904 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:23:54,338 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 17:23:54,347 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2021-11-23 17:23:54,347 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2021-11-23 17:23:54,689 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:23:54,695 INFO L158 Benchmark]: Toolchain (without parser) took 4266.61ms. Allocated memory was 121.6MB in the beginning and 161.5MB in the end (delta: 39.8MB). Free memory was 85.2MB in the beginning and 101.8MB in the end (delta: -16.7MB). Peak memory consumption was 72.6MB. Max. memory is 16.1GB. [2021-11-23 17:23:54,696 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 121.6MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:23:54,697 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2224.90ms. Allocated memory was 121.6MB in the beginning and 161.5MB in the end (delta: 39.8MB). Free memory was 85.2MB in the beginning and 81.2MB in the end (delta: 3.9MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2021-11-23 17:23:54,698 INFO L158 Benchmark]: Boogie Procedure Inliner took 277.73ms. Allocated memory is still 161.5MB. Free memory was 81.2MB in the beginning and 108.9MB in the end (delta: -27.7MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2021-11-23 17:23:54,699 INFO L158 Benchmark]: Boogie Preprocessor took 215.91ms. Allocated memory is still 161.5MB. Free memory was 108.9MB in the beginning and 96.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 17:23:54,700 INFO L158 Benchmark]: RCFGBuilder took 1542.27ms. Allocated memory is still 161.5MB. Free memory was 96.3MB in the beginning and 101.8MB in the end (delta: -5.5MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2021-11-23 17:23:54,704 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 121.6MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2224.90ms. Allocated memory was 121.6MB in the beginning and 161.5MB in the end (delta: 39.8MB). Free memory was 85.2MB in the beginning and 81.2MB in the end (delta: 3.9MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 277.73ms. Allocated memory is still 161.5MB. Free memory was 81.2MB in the beginning and 108.9MB in the end (delta: -27.7MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 215.91ms. Allocated memory is still 161.5MB. Free memory was 108.9MB in the beginning and 96.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1542.27ms. Allocated memory is still 161.5MB. Free memory was 96.3MB in the beginning and 101.8MB in the end (delta: -5.5MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:23:54,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-misc-iowarrior.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/bin/utaipan-fb15Y9Yzbl --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 f3090fd14639372da088dcbc149768c93516e312be941c28b3a0b4b80aaee842 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:23:57,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:23:57,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:23:57,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:23:57,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:23:57,903 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:23:57,905 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:23:57,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:23:57,912 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:23:57,913 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:23:57,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:23:57,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:23:57,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:23:57,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:23:57,923 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:23:57,925 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:23:57,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:23:57,932 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:23:57,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:23:57,947 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:23:57,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:23:57,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:23:57,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:23:57,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:23:57,973 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:23:57,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:23:57,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:23:57,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:23:57,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:23:57,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:23:57,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:23:57,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:23:57,986 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:23:57,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:23:57,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:23:57,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:23:57,991 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:23:57,992 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:23:57,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:23:57,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:23:57,996 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:23:58,002 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-23 17:23:58,061 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:23:58,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:23:58,062 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:23:58,062 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:23:58,064 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:23:58,064 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:23:58,065 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:23:58,065 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:23:58,065 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:23:58,066 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:23:58,067 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:23:58,067 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:23:58,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:23:58,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:23:58,070 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:23:58,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:23:58,071 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:23:58,071 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:23:58,071 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:23:58,072 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:23:58,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:23:58,072 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:23:58,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:23:58,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:23:58,073 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:23:58,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:23:58,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:23:58,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:23:58,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:23:58,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:23:58,075 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:23:58,076 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:23:58,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:23:58,076 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:23:58,077 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:23:58,077 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_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3090fd14639372da088dcbc149768c93516e312be941c28b3a0b4b80aaee842 [2021-11-23 17:23:58,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:23:58,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:23:58,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:23:58,606 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:23:58,607 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:23:58,609 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-misc-iowarrior.ko.cil.out.i [2021-11-23 17:23:58,697 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/bin/utaipan-fb15Y9Yzbl/data/8f2ffaefa/db212abfc80a4f1589deb3b8d4cd8e64/FLAG14e08ffae [2021-11-23 17:23:59,793 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:23:59,794 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-misc-iowarrior.ko.cil.out.i [2021-11-23 17:23:59,841 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/bin/utaipan-fb15Y9Yzbl/data/8f2ffaefa/db212abfc80a4f1589deb3b8d4cd8e64/FLAG14e08ffae [2021-11-23 17:24:00,208 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/bin/utaipan-fb15Y9Yzbl/data/8f2ffaefa/db212abfc80a4f1589deb3b8d4cd8e64 [2021-11-23 17:24:00,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:24:00,215 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:24:00,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:24:00,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:24:00,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:24:00,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:24:00" (1/1) ... [2021-11-23 17:24:00,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a4451a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:00, skipping insertion in model container [2021-11-23 17:24:00,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:24:00" (1/1) ... [2021-11-23 17:24:00,236 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:24:00,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:24:01,890 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-misc-iowarrior.ko.cil.out.i[159323,159336] [2021-11-23 17:24:01,943 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:24:02,029 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:24:02,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:24:02,425 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-misc-iowarrior.ko.cil.out.i[159323,159336] [2021-11-23 17:24:02,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:24:02,482 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:24:02,704 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-misc-iowarrior.ko.cil.out.i[159323,159336] [2021-11-23 17:24:02,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:24:02,838 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:24:02,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:02 WrapperNode [2021-11-23 17:24:02,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:24:02,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:24:02,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:24:02,841 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:24:02,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:02" (1/1) ... [2021-11-23 17:24:02,969 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:02" (1/1) ... [2021-11-23 17:24:03,113 INFO L137 Inliner]: procedures = 146, calls = 748, calls flagged for inlining = 45, calls inlined = 42, statements flattened = 2096 [2021-11-23 17:24:03,114 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:24:03,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:24:03,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:24:03,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:24:03,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:02" (1/1) ... [2021-11-23 17:24:03,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:02" (1/1) ... [2021-11-23 17:24:03,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:02" (1/1) ... [2021-11-23 17:24:03,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:02" (1/1) ... [2021-11-23 17:24:03,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:02" (1/1) ... [2021-11-23 17:24:03,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:02" (1/1) ... [2021-11-23 17:24:03,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:02" (1/1) ... [2021-11-23 17:24:03,443 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:24:03,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:24:03,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:24:03,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:24:03,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:02" (1/1) ... [2021-11-23 17:24:03,478 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:24:03,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:24:03,540 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:24:03,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:24:03,597 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-23 17:24:03,597 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-23 17:24:03,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 17:24:03,597 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-11-23 17:24:03,597 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-11-23 17:24:03,598 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-23 17:24:03,598 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-23 17:24:03,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 17:24:03,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 17:24:03,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 17:24:03,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 17:24:03,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 17:24:03,599 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-11-23 17:24:03,599 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-11-23 17:24:03,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 17:24:03,599 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 17:24:03,599 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 17:24:03,600 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 17:24:03,600 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-23 17:24:03,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-23 17:24:03,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 17:24:03,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 17:24:03,600 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-23 17:24:03,601 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-23 17:24:03,601 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-11-23 17:24:03,601 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-11-23 17:24:03,601 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 17:24:03,601 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 17:24:03,601 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_init [2021-11-23 17:24:03,601 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_init [2021-11-23 17:24:03,602 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 17:24:03,602 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 17:24:03,602 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 17:24:03,602 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 17:24:03,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2021-11-23 17:24:03,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2021-11-23 17:24:03,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 17:24:03,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-23 17:24:03,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 17:24:03,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 17:24:03,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-23 17:24:03,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-23 17:24:03,604 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-23 17:24:03,604 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-23 17:24:03,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 17:24:03,604 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 17:24:03,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:24:03,605 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_exit [2021-11-23 17:24:03,605 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_exit [2021-11-23 17:24:03,605 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_delete [2021-11-23 17:24:03,605 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_delete [2021-11-23 17:24:03,606 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-23 17:24:03,606 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-23 17:24:03,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:24:03,606 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-11-23 17:24:03,606 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-11-23 17:24:03,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:24:03,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:24:03,607 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 17:24:03,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 17:24:03,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-23 17:24:03,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 17:24:03,608 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_report [2021-11-23 17:24:03,608 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_report [2021-11-23 17:24:03,608 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-11-23 17:24:03,608 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-11-23 17:24:03,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:24:03,609 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-23 17:24:03,609 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-23 17:24:03,609 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-23 17:24:03,609 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-23 17:24:03,609 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-23 17:24:03,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-23 17:24:03,610 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-23 17:24:03,610 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-23 17:24:03,610 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-11-23 17:24:03,610 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-11-23 17:24:03,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 17:24:03,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 17:24:03,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-11-23 17:24:03,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-11-23 17:24:03,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:24:03,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:24:03,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:24:03,612 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 17:24:03,612 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 17:24:03,612 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-11-23 17:24:03,612 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-11-23 17:24:03,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-23 17:24:03,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:24:03,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 17:24:03,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 17:24:03,613 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 17:24:03,614 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 17:24:03,614 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 17:24:03,614 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 17:24:03,614 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 17:24:03,614 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 17:24:03,614 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-23 17:24:03,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-23 17:24:03,615 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-23 17:24:03,615 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-23 17:24:03,615 INFO L130 BoogieDeclarations]: Found specification of procedure read_index [2021-11-23 17:24:03,615 INFO L138 BoogieDeclarations]: Found implementation of procedure read_index [2021-11-23 17:24:03,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2021-11-23 17:24:03,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2021-11-23 17:24:03,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 17:24:03,616 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-23 17:24:03,616 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-23 17:24:03,626 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-11-23 17:24:03,626 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-11-23 17:24:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-11-23 17:24:03,627 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-11-23 17:24:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-23 17:24:03,627 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-23 17:24:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:24:03,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:24:04,289 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:24:04,292 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:24:06,871 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 17:24:06,889 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2021-11-23 17:24:06,890 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2021-11-23 17:24:09,200 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:24:09,206 INFO L158 Benchmark]: Toolchain (without parser) took 8989.67ms. Allocated memory was 54.5MB in the beginning and 157.3MB in the end (delta: 102.8MB). Free memory was 33.6MB in the beginning and 96.5MB in the end (delta: -62.9MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB. [2021-11-23 17:24:09,207 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 54.5MB. Free memory was 34.7MB in the beginning and 34.6MB in the end (delta: 39.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:24:09,208 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2622.77ms. Allocated memory was 54.5MB in the beginning and 100.7MB in the end (delta: 46.1MB). Free memory was 33.4MB in the beginning and 36.2MB in the end (delta: -2.8MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2021-11-23 17:24:09,209 INFO L158 Benchmark]: Boogie Procedure Inliner took 273.87ms. Allocated memory is still 100.7MB. Free memory was 36.2MB in the beginning and 46.5MB in the end (delta: -10.3MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2021-11-23 17:24:09,210 INFO L158 Benchmark]: Boogie Preprocessor took 327.93ms. Allocated memory was 100.7MB in the beginning and 157.3MB in the end (delta: 56.6MB). Free memory was 46.5MB in the beginning and 103.9MB in the end (delta: -57.4MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2021-11-23 17:24:09,212 INFO L158 Benchmark]: RCFGBuilder took 5758.92ms. Allocated memory is still 157.3MB. Free memory was 103.9MB in the beginning and 96.5MB in the end (delta: 7.3MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2021-11-23 17:24:09,216 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 54.5MB. Free memory was 34.7MB in the beginning and 34.6MB in the end (delta: 39.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2622.77ms. Allocated memory was 54.5MB in the beginning and 100.7MB in the end (delta: 46.1MB). Free memory was 33.4MB in the beginning and 36.2MB in the end (delta: -2.8MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 273.87ms. Allocated memory is still 100.7MB. Free memory was 36.2MB in the beginning and 46.5MB in the end (delta: -10.3MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 327.93ms. Allocated memory was 100.7MB in the beginning and 157.3MB in the end (delta: 56.6MB). Free memory was 46.5MB in the beginning and 103.9MB in the end (delta: -57.4MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * RCFGBuilder took 5758.92ms. Allocated memory is still 157.3MB. Free memory was 103.9MB in the beginning and 96.5MB in the end (delta: 7.3MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:24:09,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d022e5b4-ebf6-45f6-8612-9179dcec8d0c/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable