./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.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_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/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_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/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_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/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 5c386a2fc346020977e7fea7780223b1e92c3ddfbc5eefe246d36e82aab3e4e9 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:38:12,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:38:12,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:38:12,719 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:38:12,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:38:12,721 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:38:12,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:38:12,726 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:38:12,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:38:12,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:38:12,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:38:12,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:38:12,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:38:12,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:38:12,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:38:12,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:38:12,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:38:12,743 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:38:12,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:38:12,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:38:12,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:38:12,770 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:38:12,773 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:38:12,775 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:38:12,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:38:12,780 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:38:12,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:38:12,790 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:38:12,791 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:38:12,793 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:38:12,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:38:12,794 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:38:12,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:38:12,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:38:12,801 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:38:12,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:38:12,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:38:12,803 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:38:12,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:38:12,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:38:12,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:38:12,807 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 17:38:12,860 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:38:12,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:38:12,863 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:38:12,864 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:38:12,872 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:38:12,873 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:38:12,874 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:38:12,874 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:38:12,874 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:38:12,875 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:38:12,876 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:38:12,876 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:38:12,877 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:38:12,877 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:38:12,877 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:38:12,878 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:38:12,878 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:38:12,878 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:38:12,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:38:12,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:38:12,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:38:12,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:38:12,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:38:12,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:38:12,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:38:12,882 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:38:12,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:38:12,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:38:12,885 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:38:12,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:38:12,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:38:12,886 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:38:12,886 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:38:12,887 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:38:12,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:38:12,887 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:38:12,888 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:38:12,888 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:38:12,888 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_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c386a2fc346020977e7fea7780223b1e92c3ddfbc5eefe246d36e82aab3e4e9 [2021-11-23 17:38:13,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:38:13,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:38:13,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:38:13,345 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:38:13,346 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:38:13,348 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i [2021-11-23 17:38:13,426 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/bin/utaipan-fb15Y9Yzbl/data/8daa9c14d/f18238a094b946b29886d4296bf06327/FLAG9d624de92 [2021-11-23 17:38:15,124 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:38:15,125 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i [2021-11-23 17:38:15,261 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/bin/utaipan-fb15Y9Yzbl/data/8daa9c14d/f18238a094b946b29886d4296bf06327/FLAG9d624de92 [2021-11-23 17:38:15,340 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/bin/utaipan-fb15Y9Yzbl/data/8daa9c14d/f18238a094b946b29886d4296bf06327 [2021-11-23 17:38:15,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:38:15,346 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:38:15,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:38:15,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:38:15,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:38:15,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:38:15" (1/1) ... [2021-11-23 17:38:15,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53918b3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:15, skipping insertion in model container [2021-11-23 17:38:15,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:38:15" (1/1) ... [2021-11-23 17:38:15,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:38:15,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:38:20,788 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_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[831710,831723] [2021-11-23 17:38:20,793 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_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[831879,831892] [2021-11-23 17:38:20,794 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_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[832046,832059] [2021-11-23 17:38:20,794 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_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[832214,832227] [2021-11-23 17:38:20,811 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:38:21,024 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:38:22,764 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_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[831710,831723] [2021-11-23 17:38:22,765 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_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[831879,831892] [2021-11-23 17:38:22,766 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_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[832046,832059] [2021-11-23 17:38:22,772 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_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[832214,832227] [2021-11-23 17:38:22,779 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:38:23,023 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:38:23,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:23 WrapperNode [2021-11-23 17:38:23,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:38:23,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:38:23,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:38:23,026 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:38:23,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:23" (1/1) ... [2021-11-23 17:38:23,984 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:23" (1/1) ... [2021-11-23 17:38:24,376 INFO L137 Inliner]: procedures = 240, calls = 23659, calls flagged for inlining = 98, calls inlined = 86, statements flattened = 6575 [2021-11-23 17:38:24,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:38:24,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:38:24,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:38:24,380 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:38:24,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:23" (1/1) ... [2021-11-23 17:38:24,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:23" (1/1) ... [2021-11-23 17:38:24,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:23" (1/1) ... [2021-11-23 17:38:24,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:23" (1/1) ... [2021-11-23 17:38:25,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:23" (1/1) ... [2021-11-23 17:38:25,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:23" (1/1) ... [2021-11-23 17:38:26,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:23" (1/1) ... [2021-11-23 17:38:26,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:38:26,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:38:26,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:38:26,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:38:26,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:23" (1/1) ... [2021-11-23 17:38:26,390 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:38:26,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:38:26,422 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:38:26,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:38:26,484 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-23 17:38:26,485 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-23 17:38:26,485 INFO L130 BoogieDeclarations]: Found specification of procedure sd_isoc_init [2021-11-23 17:38:26,485 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_isoc_init [2021-11-23 17:38:26,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 17:38:26,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 17:38:26,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 17:38:26,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 17:38:26,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 17:38:26,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 17:38:26,487 INFO L130 BoogieDeclarations]: Found specification of procedure setgamma [2021-11-23 17:38:26,487 INFO L138 BoogieDeclarations]: Found implementation of procedure setgamma [2021-11-23 17:38:26,487 INFO L130 BoogieDeclarations]: Found specification of procedure sd_start [2021-11-23 17:38:26,487 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_start [2021-11-23 17:38:26,487 INFO L130 BoogieDeclarations]: Found specification of procedure sd_setgain [2021-11-23 17:38:26,488 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_setgain [2021-11-23 17:38:26,488 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_frame_add [2021-11-23 17:38:26,488 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_frame_add [2021-11-23 17:38:26,488 INFO L130 BoogieDeclarations]: Found specification of procedure set_dqt [2021-11-23 17:38:26,488 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dqt [2021-11-23 17:38:26,489 INFO L130 BoogieDeclarations]: Found specification of procedure jpeg_set_qual [2021-11-23 17:38:26,489 INFO L138 BoogieDeclarations]: Found implementation of procedure jpeg_set_qual [2021-11-23 17:38:26,489 INFO L130 BoogieDeclarations]: Found specification of procedure setexposure [2021-11-23 17:38:26,489 INFO L138 BoogieDeclarations]: Found implementation of procedure setexposure [2021-11-23 17:38:26,489 INFO L130 BoogieDeclarations]: Found specification of procedure reg_w_buf [2021-11-23 17:38:26,490 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_w_buf [2021-11-23 17:38:26,490 INFO L130 BoogieDeclarations]: Found specification of procedure setquality [2021-11-23 17:38:26,490 INFO L138 BoogieDeclarations]: Found implementation of procedure setquality [2021-11-23 17:38:26,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:38:26,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:38:26,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-23 17:38:26,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-23 17:38:26,492 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-11-23 17:38:26,492 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-11-23 17:38:26,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 17:38:26,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 17:38:26,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:38:26,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:38:26,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-23 17:38:26,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-23 17:38:26,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 17:38:26,494 INFO L130 BoogieDeclarations]: Found specification of procedure set_led [2021-11-23 17:38:26,494 INFO L138 BoogieDeclarations]: Found implementation of procedure set_led [2021-11-23 17:38:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 17:38:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-23 17:38:26,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-23 17:38:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2021-11-23 17:38:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2021-11-23 17:38:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 17:38:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_2_4 [2021-11-23 17:38:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_2_4 [2021-11-23 17:38:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 17:38:26,498 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 17:38:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_w_buf [2021-11-23 17:38:26,499 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_w_buf [2021-11-23 17:38:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-23 17:38:26,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-23 17:38:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure sd_init [2021-11-23 17:38:26,500 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_init [2021-11-23 17:38:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:38:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure bulk_w [2021-11-23 17:38:26,500 INFO L138 BoogieDeclarations]: Found implementation of procedure bulk_w [2021-11-23 17:38:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure get_fr_idx [2021-11-23 17:38:26,501 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fr_idx [2021-11-23 17:38:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sd_driver_exit_6_2 [2021-11-23 17:38:26,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sd_driver_exit_6_2 [2021-11-23 17:38:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure sd_dq_callback [2021-11-23 17:38:26,502 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_dq_callback [2021-11-23 17:38:26,503 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_disconnect [2021-11-23 17:38:26,503 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_disconnect [2021-11-23 17:38:26,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-23 17:38:26,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-23 17:38:26,503 INFO L130 BoogieDeclarations]: Found specification of procedure setframerate [2021-11-23 17:38:26,504 INFO L138 BoogieDeclarations]: Found implementation of procedure setframerate [2021-11-23 17:38:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:38:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_resume [2021-11-23 17:38:26,505 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_resume [2021-11-23 17:38:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-23 17:38:26,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-23 17:38:26,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:38:26,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-23 17:38:26,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-23 17:38:26,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:38:26,508 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 17:38:26,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 17:38:26,508 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-23 17:38:26,509 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-23 17:38:26,510 INFO L130 BoogieDeclarations]: Found specification of procedure sd_stopN [2021-11-23 17:38:26,510 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_stopN [2021-11-23 17:38:26,510 INFO L130 BoogieDeclarations]: Found specification of procedure sd_s_ctrl [2021-11-23 17:38:26,510 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_s_ctrl [2021-11-23 17:38:26,510 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_g_ctrl [2021-11-23 17:38:26,511 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_g_ctrl [2021-11-23 17:38:26,511 INFO L130 BoogieDeclarations]: Found specification of procedure setsharpness [2021-11-23 17:38:26,511 INFO L138 BoogieDeclarations]: Found implementation of procedure setsharpness [2021-11-23 17:38:26,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-23 17:38:26,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-23 17:38:26,512 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_w [2021-11-23 17:38:26,512 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_w [2021-11-23 17:38:26,512 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_r [2021-11-23 17:38:26,513 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_r [2021-11-23 17:38:26,513 INFO L130 BoogieDeclarations]: Found specification of procedure sd_init_controls [2021-11-23 17:38:26,513 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_init_controls [2021-11-23 17:38:26,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:38:26,514 INFO L130 BoogieDeclarations]: Found specification of procedure reg_r [2021-11-23 17:38:26,515 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_r [2021-11-23 17:38:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-23 17:38:26,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-23 17:38:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure reg_w [2021-11-23 17:38:26,519 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_w [2021-11-23 17:38:26,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:38:26,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:38:27,238 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:38:27,241 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:38:30,375 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 17:38:30,393 INFO L158 Benchmark]: Toolchain (without parser) took 15045.78ms. Allocated memory was 117.4MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 63.7MB in the beginning and 1.8GB in the end (delta: -1.8GB). Peak memory consumption was 336.0MB. Max. memory is 16.1GB. [2021-11-23 17:38:30,398 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 77.6MB. Free memory was 35.8MB in the beginning and 35.7MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:38:30,399 INFO L158 Benchmark]: CACSL2BoogieTranslator took 7674.49ms. Allocated memory was 117.4MB in the beginning and 450.9MB in the end (delta: 333.4MB). Free memory was 63.1MB in the beginning and 127.9MB in the end (delta: -64.8MB). Peak memory consumption was 283.8MB. Max. memory is 16.1GB. [2021-11-23 17:38:30,400 INFO L158 Benchmark]: Boogie Procedure Inliner took 1352.92ms. Allocated memory is still 450.9MB. Free memory was 127.9MB in the beginning and 217.1MB in the end (delta: -89.2MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2021-11-23 17:38:30,402 INFO L158 Benchmark]: Boogie Preprocessor took 1999.59ms. Allocated memory was 450.9MB in the beginning and 1.0GB in the end (delta: 555.7MB). Free memory was 217.1MB in the beginning and 748.0MB in the end (delta: -530.8MB). Peak memory consumption was 133.4MB. Max. memory is 16.1GB. [2021-11-23 17:38:30,404 INFO L158 Benchmark]: RCFGBuilder took 4011.68ms. Allocated memory was 1.0GB in the beginning and 2.1GB in the end (delta: 1.1GB). Free memory was 748.0MB in the beginning and 1.8GB in the end (delta: -1.1GB). Peak memory consumption was 133.2MB. Max. memory is 16.1GB. [2021-11-23 17:38:30,408 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 77.6MB. Free memory was 35.8MB in the beginning and 35.7MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 7674.49ms. Allocated memory was 117.4MB in the beginning and 450.9MB in the end (delta: 333.4MB). Free memory was 63.1MB in the beginning and 127.9MB in the end (delta: -64.8MB). Peak memory consumption was 283.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1352.92ms. Allocated memory is still 450.9MB. Free memory was 127.9MB in the beginning and 217.1MB in the end (delta: -89.2MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1999.59ms. Allocated memory was 450.9MB in the beginning and 1.0GB in the end (delta: 555.7MB). Free memory was 217.1MB in the beginning and 748.0MB in the end (delta: -530.8MB). Peak memory consumption was 133.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4011.68ms. Allocated memory was 1.0GB in the beginning and 2.1GB in the end (delta: 1.1GB). Free memory was 748.0MB in the beginning and 1.8GB in the end (delta: -1.1GB). Peak memory consumption was 133.2MB. 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 17:38:30,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/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_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/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_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/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_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/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 5c386a2fc346020977e7fea7780223b1e92c3ddfbc5eefe246d36e82aab3e4e9 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:38:33,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:38:33,394 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:38:33,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:38:33,462 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:38:33,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:38:33,471 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:38:33,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:38:33,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:38:33,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:38:33,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:38:33,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:38:33,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:38:33,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:38:33,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:38:33,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:38:33,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:38:33,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:38:33,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:38:33,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:38:33,502 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:38:33,504 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:38:33,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:38:33,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:38:33,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:38:33,519 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:38:33,519 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:38:33,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:38:33,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:38:33,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:38:33,528 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:38:33,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:38:33,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:38:33,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:38:33,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:38:33,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:38:33,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:38:33,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:38:33,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:38:33,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:38:33,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:38:33,544 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-23 17:38:33,601 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:38:33,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:38:33,602 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:38:33,602 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:38:33,604 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:38:33,604 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:38:33,604 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:38:33,605 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:38:33,606 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:38:33,606 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:38:33,608 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:38:33,608 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:38:33,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:38:33,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:38:33,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:38:33,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:38:33,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:38:33,611 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:38:33,612 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:38:33,612 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:38:33,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:38:33,613 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:38:33,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:38:33,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:38:33,614 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:38:33,614 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:38:33,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:38:33,615 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:38:33,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:38:33,615 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:38:33,615 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:38:33,616 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:38:33,616 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:38:33,617 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:38:33,617 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:38:33,617 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_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c386a2fc346020977e7fea7780223b1e92c3ddfbc5eefe246d36e82aab3e4e9 [2021-11-23 17:38:34,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:38:34,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:38:34,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:38:34,173 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:38:34,174 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:38:34,176 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i [2021-11-23 17:38:34,255 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/bin/utaipan-fb15Y9Yzbl/data/185aeeab5/3dcb1814dcb74755b219b8f48e3d8a98/FLAGcbd272a13 [2021-11-23 17:38:36,097 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:38:36,098 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i [2021-11-23 17:38:36,232 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/bin/utaipan-fb15Y9Yzbl/data/185aeeab5/3dcb1814dcb74755b219b8f48e3d8a98/FLAGcbd272a13 [2021-11-23 17:38:36,685 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/bin/utaipan-fb15Y9Yzbl/data/185aeeab5/3dcb1814dcb74755b219b8f48e3d8a98 [2021-11-23 17:38:36,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:38:36,690 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:38:36,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:38:36,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:38:36,723 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:38:36,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:38:36" (1/1) ... [2021-11-23 17:38:36,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d6965ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:36, skipping insertion in model container [2021-11-23 17:38:36,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:38:36" (1/1) ... [2021-11-23 17:38:36,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:38:37,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:38:42,485 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_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[831710,831723] [2021-11-23 17:38:42,489 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_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[831879,831892] [2021-11-23 17:38:42,490 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_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[832046,832059] [2021-11-23 17:38:42,491 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_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[832214,832227] [2021-11-23 17:38:42,508 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:38:42,719 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:38:42,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:38:44,422 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_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[831710,831723] [2021-11-23 17:38:44,423 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_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[831879,831892] [2021-11-23 17:38:44,424 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_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[832046,832059] [2021-11-23 17:38:44,426 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_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[832214,832227] [2021-11-23 17:38:44,430 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:38:44,537 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:38:46,982 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_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[831710,831723] [2021-11-23 17:38:46,983 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_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[831879,831892] [2021-11-23 17:38:46,983 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_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[832046,832059] [2021-11-23 17:38:46,988 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_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-gspca-gspca_topro.cil.i[832214,832227] [2021-11-23 17:38:46,992 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:38:47,288 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:38:47,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:47 WrapperNode [2021-11-23 17:38:47,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:38:47,291 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:38:47,291 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:38:47,292 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:38:47,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:47" (1/1) ... [2021-11-23 17:38:47,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:47" (1/1) ... [2021-11-23 17:38:48,249 INFO L137 Inliner]: procedures = 255, calls = 23659, calls flagged for inlining = 98, calls inlined = 86, statements flattened = 6449 [2021-11-23 17:38:48,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:38:48,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:38:48,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:38:48,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:38:48,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:47" (1/1) ... [2021-11-23 17:38:48,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:47" (1/1) ... [2021-11-23 17:38:48,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:47" (1/1) ... [2021-11-23 17:38:48,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:47" (1/1) ... [2021-11-23 17:38:49,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:47" (1/1) ... [2021-11-23 17:38:50,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:47" (1/1) ... [2021-11-23 17:38:50,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:47" (1/1) ... [2021-11-23 17:38:50,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:38:50,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:38:50,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:38:50,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:38:50,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:38:47" (1/1) ... [2021-11-23 17:38:50,443 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:38:50,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:38:50,503 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:38:50,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:38:50,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 17:38:50,600 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-23 17:38:50,600 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-23 17:38:50,600 INFO L130 BoogieDeclarations]: Found specification of procedure sd_isoc_init [2021-11-23 17:38:50,601 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_isoc_init [2021-11-23 17:38:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 17:38:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 17:38:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 17:38:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 17:38:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 17:38:50,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 17:38:50,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 17:38:50,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 17:38:50,604 INFO L130 BoogieDeclarations]: Found specification of procedure setgamma [2021-11-23 17:38:50,604 INFO L138 BoogieDeclarations]: Found implementation of procedure setgamma [2021-11-23 17:38:50,604 INFO L130 BoogieDeclarations]: Found specification of procedure sd_start [2021-11-23 17:38:50,604 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_start [2021-11-23 17:38:50,605 INFO L130 BoogieDeclarations]: Found specification of procedure sd_setgain [2021-11-23 17:38:50,605 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_setgain [2021-11-23 17:38:50,605 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_frame_add [2021-11-23 17:38:50,605 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_frame_add [2021-11-23 17:38:50,605 INFO L130 BoogieDeclarations]: Found specification of procedure set_dqt [2021-11-23 17:38:50,606 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dqt [2021-11-23 17:38:50,606 INFO L130 BoogieDeclarations]: Found specification of procedure jpeg_set_qual [2021-11-23 17:38:50,606 INFO L138 BoogieDeclarations]: Found implementation of procedure jpeg_set_qual [2021-11-23 17:38:50,607 INFO L130 BoogieDeclarations]: Found specification of procedure setexposure [2021-11-23 17:38:50,607 INFO L138 BoogieDeclarations]: Found implementation of procedure setexposure [2021-11-23 17:38:50,608 INFO L130 BoogieDeclarations]: Found specification of procedure reg_w_buf [2021-11-23 17:38:50,608 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_w_buf [2021-11-23 17:38:50,608 INFO L130 BoogieDeclarations]: Found specification of procedure setquality [2021-11-23 17:38:50,608 INFO L138 BoogieDeclarations]: Found implementation of procedure setquality [2021-11-23 17:38:50,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:38:50,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:38:50,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-23 17:38:50,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-23 17:38:50,610 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-11-23 17:38:50,610 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-11-23 17:38:50,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 17:38:50,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 17:38:50,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 17:38:50,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:38:50,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:38:50,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:38:50,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-23 17:38:50,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:38:50,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 17:38:50,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 17:38:50,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-23 17:38:50,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-23 17:38:50,614 INFO L130 BoogieDeclarations]: Found specification of procedure set_led [2021-11-23 17:38:50,615 INFO L138 BoogieDeclarations]: Found implementation of procedure set_led [2021-11-23 17:38:50,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-23 17:38:50,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-23 17:38:50,616 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2021-11-23 17:38:50,616 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2021-11-23 17:38:50,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_2_4 [2021-11-23 17:38:50,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_2_4 [2021-11-23 17:38:50,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 17:38:50,617 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 17:38:50,617 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_w_buf [2021-11-23 17:38:50,618 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_w_buf [2021-11-23 17:38:50,618 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-23 17:38:50,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-23 17:38:50,618 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-23 17:38:50,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-23 17:38:50,619 INFO L130 BoogieDeclarations]: Found specification of procedure sd_init [2021-11-23 17:38:50,619 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_init [2021-11-23 17:38:50,619 INFO L130 BoogieDeclarations]: Found specification of procedure bulk_w [2021-11-23 17:38:50,619 INFO L138 BoogieDeclarations]: Found implementation of procedure bulk_w [2021-11-23 17:38:50,620 INFO L130 BoogieDeclarations]: Found specification of procedure get_fr_idx [2021-11-23 17:38:50,620 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fr_idx [2021-11-23 17:38:50,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sd_driver_exit_6_2 [2021-11-23 17:38:50,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sd_driver_exit_6_2 [2021-11-23 17:38:50,621 INFO L130 BoogieDeclarations]: Found specification of procedure sd_dq_callback [2021-11-23 17:38:50,622 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_dq_callback [2021-11-23 17:38:50,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 17:38:50,622 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_disconnect [2021-11-23 17:38:50,622 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_disconnect [2021-11-23 17:38:50,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-23 17:38:50,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 17:38:50,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 17:38:50,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-23 17:38:50,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-23 17:38:50,625 INFO L130 BoogieDeclarations]: Found specification of procedure setframerate [2021-11-23 17:38:50,626 INFO L138 BoogieDeclarations]: Found implementation of procedure setframerate [2021-11-23 17:38:50,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:38:50,626 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_resume [2021-11-23 17:38:50,626 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_resume [2021-11-23 17:38:50,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-23 17:38:50,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-23 17:38:50,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:38:50,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-23 17:38:50,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-23 17:38:50,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:38:50,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 17:38:50,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-23 17:38:50,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 17:38:50,629 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-23 17:38:50,629 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-23 17:38:50,629 INFO L130 BoogieDeclarations]: Found specification of procedure sd_stopN [2021-11-23 17:38:50,630 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_stopN [2021-11-23 17:38:50,631 INFO L130 BoogieDeclarations]: Found specification of procedure sd_s_ctrl [2021-11-23 17:38:50,634 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_s_ctrl [2021-11-23 17:38:50,634 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_g_ctrl [2021-11-23 17:38:50,634 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_g_ctrl [2021-11-23 17:38:50,634 INFO L130 BoogieDeclarations]: Found specification of procedure setsharpness [2021-11-23 17:38:50,635 INFO L138 BoogieDeclarations]: Found implementation of procedure setsharpness [2021-11-23 17:38:50,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-23 17:38:50,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-23 17:38:50,636 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_w [2021-11-23 17:38:50,636 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_w [2021-11-23 17:38:50,644 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_r [2021-11-23 17:38:50,644 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_r [2021-11-23 17:38:50,644 INFO L130 BoogieDeclarations]: Found specification of procedure sd_init_controls [2021-11-23 17:38:50,645 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_init_controls [2021-11-23 17:38:50,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 17:38:50,645 INFO L130 BoogieDeclarations]: Found specification of procedure reg_r [2021-11-23 17:38:50,645 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_r [2021-11-23 17:38:50,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-23 17:38:50,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-23 17:38:50,646 INFO L130 BoogieDeclarations]: Found specification of procedure reg_w [2021-11-23 17:38:50,646 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_w [2021-11-23 17:38:50,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:38:50,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:38:51,554 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:38:51,560 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:38:54,865 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:38:54,875 INFO L158 Benchmark]: Toolchain (without parser) took 18179.18ms. Allocated memory was 86.0MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 36.7MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 391.9MB. Max. memory is 16.1GB. [2021-11-23 17:38:54,875 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 60.8MB. Free memory is still 42.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:38:54,877 INFO L158 Benchmark]: CACSL2BoogieTranslator took 10571.46ms. Allocated memory was 86.0MB in the beginning and 964.7MB in the end (delta: 878.7MB). Free memory was 42.2MB in the beginning and 587.5MB in the end (delta: -545.3MB). Peak memory consumption was 549.6MB. Max. memory is 16.1GB. [2021-11-23 17:38:54,878 INFO L158 Benchmark]: Boogie Procedure Inliner took 958.90ms. Allocated memory is still 964.7MB. Free memory was 587.5MB in the beginning and 524.6MB in the end (delta: 62.9MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2021-11-23 17:38:54,882 INFO L158 Benchmark]: Boogie Preprocessor took 2180.41ms. Allocated memory was 964.7MB in the beginning and 2.0GB in the end (delta: 1.0GB). Free memory was 524.6MB in the beginning and 1.6GB in the end (delta: -1.1GB). Peak memory consumption was 186.1MB. Max. memory is 16.1GB. [2021-11-23 17:38:54,885 INFO L158 Benchmark]: RCFGBuilder took 4434.83ms. Allocated memory is still 2.0GB. Free memory was 1.6GB in the beginning and 1.6GB in the end (delta: 70.8MB). Peak memory consumption was 81.3MB. Max. memory is 16.1GB. [2021-11-23 17:38:54,891 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 60.8MB. Free memory is still 42.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 10571.46ms. Allocated memory was 86.0MB in the beginning and 964.7MB in the end (delta: 878.7MB). Free memory was 42.2MB in the beginning and 587.5MB in the end (delta: -545.3MB). Peak memory consumption was 549.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 958.90ms. Allocated memory is still 964.7MB. Free memory was 587.5MB in the beginning and 524.6MB in the end (delta: 62.9MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2180.41ms. Allocated memory was 964.7MB in the beginning and 2.0GB in the end (delta: 1.0GB). Free memory was 524.6MB in the beginning and 1.6GB in the end (delta: -1.1GB). Peak memory consumption was 186.1MB. Max. memory is 16.1GB. * RCFGBuilder took 4434.83ms. Allocated memory is still 2.0GB. Free memory was 1.6GB in the beginning and 1.6GB in the end (delta: 70.8MB). Peak memory consumption was 81.3MB. 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 17:38:55,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccd881ae-0860-4ccb-b12b-fa91f3bc48d4/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable