./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--target--iscsi--iscsi_target_mod.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cde309-be73-48a2-b481-45e48903154b/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cde309-be73-48a2-b481-45e48903154b/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cde309-be73-48a2-b481-45e48903154b/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cde309-be73-48a2-b481-45e48903154b/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--target--iscsi--iscsi_target_mod.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cde309-be73-48a2-b481-45e48903154b/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cde309-be73-48a2-b481-45e48903154b/bin/utaipan-mTDlp9Zugs --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 b6a935de7e2ae435e75b9e0e0c0d2ca1f5bb3adf ........................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cde309-be73-48a2-b481-45e48903154b/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cde309-be73-48a2-b481-45e48903154b/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cde309-be73-48a2-b481-45e48903154b/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cde309-be73-48a2-b481-45e48903154b/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--target--iscsi--iscsi_target_mod.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cde309-be73-48a2-b481-45e48903154b/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cde309-be73-48a2-b481-45e48903154b/bin/utaipan-mTDlp9Zugs --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 b6a935de7e2ae435e75b9e0e0c0d2ca1f5bb3adf ................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:53:35,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:53:35,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:53:35,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:53:35,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:53:35,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:53:35,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:53:35,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:53:35,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:53:35,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:53:35,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:53:35,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:53:35,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:53:35,471 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:53:35,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:53:35,475 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:53:35,476 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:53:35,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:53:35,481 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:53:35,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:53:35,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:53:35,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:53:35,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:53:35,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:53:35,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:53:35,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:53:35,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:53:35,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:53:35,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:53:35,502 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:53:35,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:53:35,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:53:35,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:53:35,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:53:35,509 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:53:35,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:53:35,510 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:53:35,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:53:35,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:53:35,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:53:35,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:53:35,515 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cde309-be73-48a2-b481-45e48903154b/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-10-16 02:53:35,547 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:53:35,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:53:35,548 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:53:35,549 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:53:35,549 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:53:35,549 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:53:35,550 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:53:35,550 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:53:35,550 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:53:35,551 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:53:35,551 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:53:35,551 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:53:35,552 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:53:35,552 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:53:35,552 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:53:35,553 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:53:35,554 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:53:35,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:53:35,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:53:35,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:53:35,555 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:53:35,555 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:53:35,555 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:53:35,556 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:53:35,556 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:53:35,556 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:53:35,557 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:53:35,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:53:35,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:53:35,558 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:53:35,558 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:53:35,558 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:53:35,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:53:35,559 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:53:35,559 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:53:35,559 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:53:35,560 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_53cde309-be73-48a2-b481-45e48903154b/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cde309-be73-48a2-b481-45e48903154b/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6a935de7e2ae435e75b9e0e0c0d2ca1f5bb3adf [2021-10-16 02:53:35,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:53:35,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:53:35,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:53:35,947 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:53:35,949 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:53:35,950 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cde309-be73-48a2-b481-45e48903154b/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--target--iscsi--iscsi_target_mod.ko-entry_point.cil.out.i [2021-10-16 02:53:36,049 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cde309-be73-48a2-b481-45e48903154b/bin/utaipan-mTDlp9Zugs/data/a77ac7633/c15962b32af64facb9d231c7b1d67b65/FLAGbb760e1cc [2021-10-16 02:53:38,272 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:53:38,273 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cde309-be73-48a2-b481-45e48903154b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--target--iscsi--iscsi_target_mod.ko-entry_point.cil.out.i [2021-10-16 02:53:38,452 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cde309-be73-48a2-b481-45e48903154b/bin/utaipan-mTDlp9Zugs/data/a77ac7633/c15962b32af64facb9d231c7b1d67b65/FLAGbb760e1cc [2021-10-16 02:53:38,565 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cde309-be73-48a2-b481-45e48903154b/bin/utaipan-mTDlp9Zugs/data/a77ac7633/c15962b32af64facb9d231c7b1d67b65 [2021-10-16 02:53:38,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:53:38,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:53:38,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:53:38,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:53:38,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:53:38,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:53:38" (1/1) ... [2021-10-16 02:53:38,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11cdb55c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:53:38, skipping insertion in model container [2021-10-16 02:53:38,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:53:38" (1/1) ... [2021-10-16 02:53:38,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:53:39,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:53:42,592 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-16 02:53:42,631 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-16 02:53:42,784 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-16 02:53:42,787 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-16 02:53:42,922 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-16 02:53:44,068 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-16 02:53:44,070 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-16 02:53:44,094 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-16 02:53:44,185 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-16 02:53:44,186 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-16 02:53:44,913 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-16 02:53:44,965 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-16 02:53:45,017 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-10-16 02:53:45,024 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.IllegalArgumentException: byte size smaller than 1 makes no sense at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.preferences.CACSLPreferenceInitializer$MemoryModel.getPreciseEnoughMemoryModelFor(CACSLPreferenceInitializer.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.checkIfNecessaryMemoryModelAdaption(CHandler.java:1038) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:946) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1415) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:713) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1359) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1052) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1052) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3218) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2299) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:580) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-16 02:53:45,031 INFO L168 Benchmark]: Toolchain (without parser) took 6458.87 ms. Allocated memory was 163.6 MB in the beginning and 268.4 MB in the end (delta: 104.9 MB). Free memory was 100.1 MB in the beginning and 120.3 MB in the end (delta: -20.2 MB). Peak memory consumption was 91.0 MB. Max. memory is 16.1 GB. [2021-10-16 02:53:45,032 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 109.1 MB. Free memory is still 64.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:53:45,034 INFO L168 Benchmark]: CACSL2BoogieTranslator took 6456.03 ms. Allocated memory was 163.6 MB in the beginning and 268.4 MB in the end (delta: 104.9 MB). Free memory was 99.9 MB in the beginning and 120.3 MB in the end (delta: -20.3 MB). Peak memory consumption was 91.0 MB. Max. memory is 16.1 GB. [2021-10-16 02:53:45,036 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 109.1 MB. Free memory is still 64.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 6456.03 ms. Allocated memory was 163.6 MB in the beginning and 268.4 MB in the end (delta: 104.9 MB). Free memory was 99.9 MB in the beginning and 120.3 MB in the end (delta: -20.3 MB). Peak memory consumption was 91.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: IllegalArgumentException: byte size smaller than 1 makes no sense de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: IllegalArgumentException: byte size smaller than 1 makes no sense: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.preferences.CACSLPreferenceInitializer$MemoryModel.getPreciseEnoughMemoryModelFor(CACSLPreferenceInitializer.java:193) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:53:47,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:53:47,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:53:47,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:53:47,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:53:47,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:53:47,821 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:53:47,824 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:53:47,827 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:53:47,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:53:47,830 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:53:47,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:53:47,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:53:47,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:53:47,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:53:47,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:53:47,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:53:47,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:53:47,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:53:47,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:53:47,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:53:47,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:53:47,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:53:47,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:53:47,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:53:47,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:53:47,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:53:47,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:53:47,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:53:47,888 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:53:47,890 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:53:47,891 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:53:47,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:53:47,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:53:47,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:53:47,896 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:53:47,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:53:47,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:53:47,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:53:47,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:53:47,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:53:47,900 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cde309-be73-48a2-b481-45e48903154b/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-10-16 02:53:47,946 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:53:47,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:53:47,948 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:53:47,948 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:53:47,948 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:53:47,948 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:53:47,949 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:53:47,949 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:53:47,949 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:53:47,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:53:47,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:53:47,951 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:53:47,951 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:53:47,951 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:53:47,951 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:53:47,952 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:53:47,952 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:53:47,952 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:53:47,953 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:53:47,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:53:47,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:53:47,953 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:53:47,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:53:47,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:53:47,954 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:53:47,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:53:47,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:53:47,955 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:53:47,955 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:53:47,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:53:47,956 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:53:47,959 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:53:47,960 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_53cde309-be73-48a2-b481-45e48903154b/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cde309-be73-48a2-b481-45e48903154b/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6a935de7e2ae435e75b9e0e0c0d2ca1f5bb3adf [2021-10-16 02:53:48,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:53:48,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:53:48,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:53:48,518 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:53:48,519 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:53:48,520 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cde309-be73-48a2-b481-45e48903154b/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--target--iscsi--iscsi_target_mod.ko-entry_point.cil.out.i [2021-10-16 02:53:48,608 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cde309-be73-48a2-b481-45e48903154b/bin/utaipan-mTDlp9Zugs/data/692aa5858/f14f54566bf1404490462e83bf5b7912/FLAG6c0d4197b [2021-10-16 02:53:50,822 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:53:50,822 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cde309-be73-48a2-b481-45e48903154b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--target--iscsi--iscsi_target_mod.ko-entry_point.cil.out.i [2021-10-16 02:53:50,985 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cde309-be73-48a2-b481-45e48903154b/bin/utaipan-mTDlp9Zugs/data/692aa5858/f14f54566bf1404490462e83bf5b7912/FLAG6c0d4197b [2021-10-16 02:53:51,134 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53cde309-be73-48a2-b481-45e48903154b/bin/utaipan-mTDlp9Zugs/data/692aa5858/f14f54566bf1404490462e83bf5b7912 [2021-10-16 02:53:51,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:53:51,162 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:53:51,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:53:51,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:53:51,186 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:53:51,187 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:53:51" (1/1) ... [2021-10-16 02:53:51,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f7c121c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:53:51, skipping insertion in model container [2021-10-16 02:53:51,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:53:51" (1/1) ... [2021-10-16 02:53:51,198 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:53:51,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:54:05,430 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: iscsi_change_param_sprintf [2021-10-16 02:54:05,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@629be9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:05, skipping insertion in model container [2021-10-16 02:54:05,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:54:05,432 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 02:54:05,434 INFO L168 Benchmark]: Toolchain (without parser) took 14291.48 ms. Allocated memory was 77.6 MB in the beginning and 226.5 MB in the end (delta: 148.9 MB). Free memory was 27.7 MB in the beginning and 128.7 MB in the end (delta: -101.1 MB). Peak memory consumption was 103.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:54:05,435 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 54.5 MB. Free memory was 35.5 MB in the beginning and 35.5 MB in the end (delta: 45.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:54:05,437 INFO L168 Benchmark]: CACSL2BoogieTranslator took 14265.77 ms. Allocated memory was 77.6 MB in the beginning and 226.5 MB in the end (delta: 148.9 MB). Free memory was 32.8 MB in the beginning and 128.7 MB in the end (delta: -95.9 MB). Peak memory consumption was 106.8 MB. Max. memory is 16.1 GB. [2021-10-16 02:54:05,439 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 54.5 MB. Free memory was 35.5 MB in the beginning and 35.5 MB in the end (delta: 45.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 14265.77 ms. Allocated memory was 77.6 MB in the beginning and 226.5 MB in the end (delta: 148.9 MB). Free memory was 32.8 MB in the beginning and 128.7 MB in the end (delta: -95.9 MB). Peak memory consumption was 106.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 19692]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: iscsi_change_param_sprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...