./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.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_42fabbba-3573-47ae-b802-6e95675b8a7e/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fabbba-3573-47ae-b802-6e95675b8a7e/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fabbba-3573-47ae-b802-6e95675b8a7e/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fabbba-3573-47ae-b802-6e95675b8a7e/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fabbba-3573-47ae-b802-6e95675b8a7e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fabbba-3573-47ae-b802-6e95675b8a7e/bin/ukojak-CwSLpZB5Qu --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 992626749f2e8ca84a93ad6fc64a197d6c8e66b412d995c24cf1e1136a1f2393 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:36:02,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:36:02,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:36:02,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:36:02,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:36:02,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:36:02,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:36:02,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:36:02,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:36:02,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:36:02,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:36:02,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:36:02,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:36:02,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:36:02,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:36:02,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:36:02,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:36:02,844 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:36:02,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:36:02,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:36:02,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:36:02,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:36:02,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:36:02,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:36:02,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:36:02,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:36:02,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:36:02,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:36:02,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:36:02,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:36:02,888 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:36:02,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:36:02,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:36:02,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:36:02,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:36:02,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:36:02,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:36:02,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:36:02,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:36:02,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:36:02,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:36:02,900 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fabbba-3573-47ae-b802-6e95675b8a7e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 15:36:02,944 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:36:02,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:36:02,946 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:36:02,947 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:36:02,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:36:02,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:36:02,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:36:02,949 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:36:02,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:36:02,949 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:36:02,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:36:02,951 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:36:02,951 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:36:02,951 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:36:02,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:36:02,951 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:36:02,952 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:36:02,952 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:36:02,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:36:02,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:36:02,953 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:36:02,953 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:36:02,953 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:36:02,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:36:02,954 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:36:02,954 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_42fabbba-3573-47ae-b802-6e95675b8a7e/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fabbba-3573-47ae-b802-6e95675b8a7e/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 992626749f2e8ca84a93ad6fc64a197d6c8e66b412d995c24cf1e1136a1f2393 [2021-11-23 15:36:03,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:36:03,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:36:03,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:36:03,287 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:36:03,288 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:36:03,289 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fabbba-3573-47ae-b802-6e95675b8a7e/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i [2021-11-23 15:36:03,392 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fabbba-3573-47ae-b802-6e95675b8a7e/bin/ukojak-CwSLpZB5Qu/data/21c377821/bef333d7d5304a7fb3c9bbef0a302115/FLAGbb80d7211 [2021-11-23 15:36:04,202 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:36:04,202 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fabbba-3573-47ae-b802-6e95675b8a7e/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i [2021-11-23 15:36:04,260 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fabbba-3573-47ae-b802-6e95675b8a7e/bin/ukojak-CwSLpZB5Qu/data/21c377821/bef333d7d5304a7fb3c9bbef0a302115/FLAGbb80d7211 [2021-11-23 15:36:04,737 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fabbba-3573-47ae-b802-6e95675b8a7e/bin/ukojak-CwSLpZB5Qu/data/21c377821/bef333d7d5304a7fb3c9bbef0a302115 [2021-11-23 15:36:04,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:36:04,745 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:36:04,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:36:04,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:36:04,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:36:04,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:36:04" (1/1) ... [2021-11-23 15:36:04,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6219b5f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:04, skipping insertion in model container [2021-11-23 15:36:04,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:36:04" (1/1) ... [2021-11-23 15:36:04,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:36:04,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:36:05,566 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_42fabbba-3573-47ae-b802-6e95675b8a7e/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i[154031,154044] [2021-11-23 15:36:05,818 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:36:05,847 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:36:06,055 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_42fabbba-3573-47ae-b802-6e95675b8a7e/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i[154031,154044] [2021-11-23 15:36:06,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:36:06,193 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:36:06,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:06 WrapperNode [2021-11-23 15:36:06,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:36:06,195 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:36:06,196 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:36:06,196 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:36:06,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:06" (1/1) ... [2021-11-23 15:36:06,249 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:06" (1/1) ... [2021-11-23 15:36:06,317 INFO L137 Inliner]: procedures = 90, calls = 193, calls flagged for inlining = 27, calls inlined = 24, statements flattened = 546 [2021-11-23 15:36:06,324 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:36:06,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:36:06,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:36:06,326 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:36:06,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:06" (1/1) ... [2021-11-23 15:36:06,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:06" (1/1) ... [2021-11-23 15:36:06,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:06" (1/1) ... [2021-11-23 15:36:06,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:06" (1/1) ... [2021-11-23 15:36:06,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:06" (1/1) ... [2021-11-23 15:36:06,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:06" (1/1) ... [2021-11-23 15:36:06,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:06" (1/1) ... [2021-11-23 15:36:06,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:36:06,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:36:06,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:36:06,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:36:06,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:06" (1/1) ... [2021-11-23 15:36:06,498 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:36:06,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fabbba-3573-47ae-b802-6e95675b8a7e/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:36:06,525 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fabbba-3573-47ae-b802-6e95675b8a7e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:36:06,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fabbba-3573-47ae-b802-6e95675b8a7e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:36:06,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2021-11-23 15:36:06,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2021-11-23 15:36:06,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:36:06,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 15:36:06,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:36:06,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:36:06,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:36:06,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:36:06,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:36:06,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:36:06,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:36:06,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 15:36:06,583 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 15:36:06,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:36:06,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-11-23 15:36:06,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-11-23 15:36:06,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 15:36:06,583 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 15:36:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:36:06,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:36:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_14 [2021-11-23 15:36:06,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_14 [2021-11-23 15:36:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:36:06,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:36:06,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-11-23 15:36:06,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-11-23 15:36:06,585 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-23 15:36:06,585 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-23 15:36:06,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_zalloc [2021-11-23 15:36:06,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_zalloc [2021-11-23 15:36:06,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:36:06,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:36:06,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:36:06,586 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 15:36:06,586 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 15:36:06,586 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2021-11-23 15:36:06,586 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2021-11-23 15:36:06,587 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:36:06,587 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:36:06,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:36:06,587 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2021-11-23 15:36:06,587 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2021-11-23 15:36:06,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:36:06,588 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~TO~VOID [2021-11-23 15:36:06,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~TO~VOID [2021-11-23 15:36:06,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 15:36:06,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:36:06,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:36:06,980 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:36:06,987 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:36:07,158 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:36:07,163 INFO L158 Benchmark]: Toolchain (without parser) took 2417.03ms. Allocated memory is still 111.1MB. Free memory was 68.2MB in the beginning and 49.7MB in the end (delta: 18.5MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2021-11-23 15:36:07,165 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 86.0MB. Free memory was 57.0MB in the beginning and 57.0MB in the end (delta: 31.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:36:07,170 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1446.55ms. Allocated memory is still 111.1MB. Free memory was 67.9MB in the beginning and 48.1MB in the end (delta: 19.9MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2021-11-23 15:36:07,171 INFO L158 Benchmark]: Boogie Procedure Inliner took 129.26ms. Allocated memory is still 111.1MB. Free memory was 48.1MB in the beginning and 43.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:36:07,174 INFO L158 Benchmark]: Boogie Preprocessor took 154.98ms. Allocated memory is still 111.1MB. Free memory was 43.9MB in the beginning and 65.9MB in the end (delta: -22.1MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2021-11-23 15:36:07,175 INFO L158 Benchmark]: RCFGBuilder took 680.01ms. Allocated memory is still 111.1MB. Free memory was 65.9MB in the beginning and 49.7MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:36:07,178 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 86.0MB. Free memory was 57.0MB in the beginning and 57.0MB in the end (delta: 31.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1446.55ms. Allocated memory is still 111.1MB. Free memory was 67.9MB in the beginning and 48.1MB in the end (delta: 19.9MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 129.26ms. Allocated memory is still 111.1MB. Free memory was 48.1MB in the beginning and 43.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 154.98ms. Allocated memory is still 111.1MB. Free memory was 43.9MB in the beginning and 65.9MB in the end (delta: -22.1MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * RCFGBuilder took 680.01ms. Allocated memory is still 111.1MB. Free memory was 65.9MB in the beginning and 49.7MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. 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 15:36:07,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fabbba-3573-47ae-b802-6e95675b8a7e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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_42fabbba-3573-47ae-b802-6e95675b8a7e/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fabbba-3573-47ae-b802-6e95675b8a7e/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fabbba-3573-47ae-b802-6e95675b8a7e/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fabbba-3573-47ae-b802-6e95675b8a7e/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fabbba-3573-47ae-b802-6e95675b8a7e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fabbba-3573-47ae-b802-6e95675b8a7e/bin/ukojak-CwSLpZB5Qu --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 992626749f2e8ca84a93ad6fc64a197d6c8e66b412d995c24cf1e1136a1f2393 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:36:09,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:36:09,805 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:36:09,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:36:09,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:36:09,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:36:09,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:36:09,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:36:09,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:36:09,882 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:36:09,886 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:36:09,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:36:09,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:36:09,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:36:09,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:36:09,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:36:09,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:36:09,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:36:09,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:36:09,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:36:09,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:36:09,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:36:09,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:36:09,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:36:09,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:36:09,932 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:36:09,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:36:09,934 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:36:09,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:36:09,936 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:36:09,937 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:36:09,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:36:09,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:36:09,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:36:09,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:36:09,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:36:09,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:36:09,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:36:09,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:36:09,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:36:09,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:36:09,952 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fabbba-3573-47ae-b802-6e95675b8a7e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2021-11-23 15:36:09,995 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:36:09,995 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:36:09,997 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:36:09,997 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:36:09,998 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:36:09,999 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:36:09,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:36:09,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:36:10,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:36:10,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:36:10,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:36:10,001 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:36:10,001 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:36:10,002 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:36:10,002 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:36:10,002 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:36:10,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:36:10,003 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:36:10,003 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:36:10,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:36:10,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:36:10,004 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:36:10,004 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:36:10,004 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:36:10,004 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:36:10,004 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:36:10,005 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:36:10,005 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:36:10,005 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:36:10,005 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_42fabbba-3573-47ae-b802-6e95675b8a7e/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fabbba-3573-47ae-b802-6e95675b8a7e/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 992626749f2e8ca84a93ad6fc64a197d6c8e66b412d995c24cf1e1136a1f2393 [2021-11-23 15:36:10,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:36:10,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:36:10,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:36:10,398 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:36:10,399 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:36:10,400 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fabbba-3573-47ae-b802-6e95675b8a7e/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i [2021-11-23 15:36:10,496 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fabbba-3573-47ae-b802-6e95675b8a7e/bin/ukojak-CwSLpZB5Qu/data/b74809356/c249eb1c35fd42b090d43260d5fb1eb6/FLAG02cdd8c0a [2021-11-23 15:36:11,458 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:36:11,459 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fabbba-3573-47ae-b802-6e95675b8a7e/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i [2021-11-23 15:36:11,509 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fabbba-3573-47ae-b802-6e95675b8a7e/bin/ukojak-CwSLpZB5Qu/data/b74809356/c249eb1c35fd42b090d43260d5fb1eb6/FLAG02cdd8c0a [2021-11-23 15:36:11,989 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fabbba-3573-47ae-b802-6e95675b8a7e/bin/ukojak-CwSLpZB5Qu/data/b74809356/c249eb1c35fd42b090d43260d5fb1eb6 [2021-11-23 15:36:11,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:36:11,992 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:36:12,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:36:12,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:36:12,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:36:12,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:36:11" (1/1) ... [2021-11-23 15:36:12,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32c426ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:12, skipping insertion in model container [2021-11-23 15:36:12,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:36:11" (1/1) ... [2021-11-23 15:36:12,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:36:12,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:36:12,899 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_42fabbba-3573-47ae-b802-6e95675b8a7e/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i[154031,154044] [2021-11-23 15:36:13,128 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:36:13,180 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:36:13,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:36:13,431 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_42fabbba-3573-47ae-b802-6e95675b8a7e/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i[154031,154044] [2021-11-23 15:36:13,546 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:36:13,569 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:36:13,789 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_42fabbba-3573-47ae-b802-6e95675b8a7e/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i[154031,154044] [2021-11-23 15:36:13,835 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:36:13,898 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:36:13,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:13 WrapperNode [2021-11-23 15:36:13,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:36:13,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:36:13,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:36:13,913 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:36:13,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:13" (1/1) ... [2021-11-23 15:36:13,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:13" (1/1) ... [2021-11-23 15:36:14,098 INFO L137 Inliner]: procedures = 103, calls = 193, calls flagged for inlining = 27, calls inlined = 24, statements flattened = 529 [2021-11-23 15:36:14,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:36:14,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:36:14,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:36:14,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:36:14,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:13" (1/1) ... [2021-11-23 15:36:14,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:13" (1/1) ... [2021-11-23 15:36:14,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:13" (1/1) ... [2021-11-23 15:36:14,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:13" (1/1) ... [2021-11-23 15:36:14,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:13" (1/1) ... [2021-11-23 15:36:14,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:13" (1/1) ... [2021-11-23 15:36:14,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:13" (1/1) ... [2021-11-23 15:36:14,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:36:14,262 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:36:14,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:36:14,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:36:14,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:13" (1/1) ... [2021-11-23 15:36:14,272 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:36:14,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fabbba-3573-47ae-b802-6e95675b8a7e/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:36:14,299 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fabbba-3573-47ae-b802-6e95675b8a7e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:36:14,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fabbba-3573-47ae-b802-6e95675b8a7e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:36:14,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:36:14,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 15:36:14,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:36:14,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:36:14,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 15:36:14,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:36:14,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:36:14,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:36:14,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 15:36:14,373 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 15:36:14,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 15:36:14,373 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 15:36:14,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:36:14,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:36:14,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_14 [2021-11-23 15:36:14,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_14 [2021-11-23 15:36:14,374 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~X~C_INT~X~$Pointer$~X~C_INT~TO~VOID [2021-11-23 15:36:14,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~X~C_INT~X~$Pointer$~X~C_INT~TO~VOID [2021-11-23 15:36:14,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-11-23 15:36:14,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-11-23 15:36:14,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:36:14,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:36:14,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 15:36:14,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-23 15:36:14,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 15:36:14,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 15:36:14,375 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:36:14,376 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:36:14,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:36:14,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2021-11-23 15:36:14,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2021-11-23 15:36:14,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:36:14,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:36:14,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:36:14,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 15:36:14,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-23 15:36:14,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 15:36:14,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:36:14,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-11-23 15:36:14,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-11-23 15:36:14,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 15:36:14,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:36:14,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 15:36:14,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:36:14,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:36:14,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:36:14,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:36:14,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:36:14,401 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-23 15:36:14,401 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-23 15:36:14,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_zalloc [2021-11-23 15:36:14,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_zalloc [2021-11-23 15:36:14,401 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 15:36:14,401 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 15:36:14,402 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2021-11-23 15:36:14,402 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2021-11-23 15:36:14,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 15:36:14,402 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2021-11-23 15:36:14,402 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2021-11-23 15:36:14,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:36:14,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:36:14,766 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:36:14,768 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:36:15,067 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:36:15,078 INFO L158 Benchmark]: Toolchain (without parser) took 3084.70ms. Allocated memory was 56.6MB in the beginning and 157.3MB in the end (delta: 100.7MB). Free memory was 27.1MB in the beginning and 95.9MB in the end (delta: -68.8MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2021-11-23 15:36:15,079 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 56.6MB. Free memory was 37.5MB in the beginning and 37.4MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:36:15,080 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1905.90ms. Allocated memory was 56.6MB in the beginning and 90.2MB in the end (delta: 33.6MB). Free memory was 26.8MB in the beginning and 40.8MB in the end (delta: -14.0MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2021-11-23 15:36:15,081 INFO L158 Benchmark]: Boogie Procedure Inliner took 185.64ms. Allocated memory is still 90.2MB. Free memory was 40.8MB in the beginning and 36.2MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:36:15,084 INFO L158 Benchmark]: Boogie Preprocessor took 162.04ms. Allocated memory is still 90.2MB. Free memory was 36.2MB in the beginning and 30.4MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:36:15,087 INFO L158 Benchmark]: RCFGBuilder took 813.40ms. Allocated memory was 90.2MB in the beginning and 157.3MB in the end (delta: 67.1MB). Free memory was 30.4MB in the beginning and 95.9MB in the end (delta: -65.4MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2021-11-23 15:36:15,089 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 56.6MB. Free memory was 37.5MB in the beginning and 37.4MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1905.90ms. Allocated memory was 56.6MB in the beginning and 90.2MB in the end (delta: 33.6MB). Free memory was 26.8MB in the beginning and 40.8MB in the end (delta: -14.0MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 185.64ms. Allocated memory is still 90.2MB. Free memory was 40.8MB in the beginning and 36.2MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 162.04ms. Allocated memory is still 90.2MB. Free memory was 36.2MB in the beginning and 30.4MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 813.40ms. Allocated memory was 90.2MB in the beginning and 157.3MB in the end (delta: 67.1MB). Free memory was 30.4MB in the beginning and 95.9MB in the end (delta: -65.4MB). Peak memory consumption was 9.8MB. 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 15:36:15,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42fabbba-3573-47ae-b802-6e95675b8a7e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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