./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_710402a7-cd40-43b6-b98a-87b9823c3c9e/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_710402a7-cd40-43b6-b98a-87b9823c3c9e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_710402a7-cd40-43b6-b98a-87b9823c3c9e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_710402a7-cd40-43b6-b98a-87b9823c3c9e/bin/utaipan/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-vcloud-master/worker/run_dir_710402a7-cd40-43b6-b98a-87b9823c3c9e/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_710402a7-cd40-43b6-b98a-87b9823c3c9e/bin/utaipan --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-vcloud-master/worker/run_dir_710402a7-cd40-43b6-b98a-87b9823c3c9e/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_710402a7-cd40-43b6-b98a-87b9823c3c9e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_710402a7-cd40-43b6-b98a-87b9823c3c9e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_710402a7-cd40-43b6-b98a-87b9823c3c9e/bin/utaipan/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-vcloud-master/worker/run_dir_710402a7-cd40-43b6-b98a-87b9823c3c9e/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_710402a7-cd40-43b6-b98a-87b9823c3c9e/bin/utaipan --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 0.2.0-a4ecdab [2020-11-28 07:44:27,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:44:27,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:44:27,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:44:27,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:44:27,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:44:27,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:44:27,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:44:27,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:44:27,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:44:27,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:44:27,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:44:27,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:44:27,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:44:27,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:44:27,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:44:27,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:44:27,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:44:27,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:44:27,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:44:27,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:44:27,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:44:27,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:44:27,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:44:27,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:44:27,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:44:27,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:44:27,577 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:44:27,578 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:44:27,584 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:44:27,584 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:44:27,586 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:44:27,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:44:27,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:44:27,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:44:27,593 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:44:27,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:44:27,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:44:27,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:44:27,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:44:27,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:44:27,599 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_710402a7-cd40-43b6-b98a-87b9823c3c9e/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2020-11-28 07:44:27,646 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:44:27,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:44:27,648 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:44:27,648 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:44:27,649 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:44:27,649 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:44:27,649 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:44:27,649 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:44:27,649 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:44:27,650 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:44:27,651 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:44:27,651 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:44:27,651 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:44:27,651 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:44:27,652 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:44:27,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:44:27,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:44:27,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:44:27,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:44:27,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:44:27,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:44:27,654 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:44:27,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:44:27,654 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:44:27,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:44:27,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:44:27,655 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:44:27,655 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:44:27,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:44:27,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:44:27,658 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:44:27,658 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:44:27,658 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:44:27,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:44:27,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:44:27,659 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:44:27,659 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:44:27,659 INFO L138 SettingsManager]: * To the following directory=dump/ [2020-11-28 07:44:27,659 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-vcloud-master/worker/run_dir_710402a7-cd40-43b6-b98a-87b9823c3c9e/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_710402a7-cd40-43b6-b98a-87b9823c3c9e/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6a935de7e2ae435e75b9e0e0c0d2ca1f5bb3adf [2020-11-28 07:44:27,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:44:27,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:44:27,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:44:27,959 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:44:27,960 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:44:27,961 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_710402a7-cd40-43b6-b98a-87b9823c3c9e/bin/utaipan/../../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 [2020-11-28 07:44:28,048 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_710402a7-cd40-43b6-b98a-87b9823c3c9e/bin/utaipan/data/6bd586476/07cb4cae915e42288396800e2a847068/FLAG2e9201c2a [2020-11-28 07:44:29,592 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:44:29,601 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_710402a7-cd40-43b6-b98a-87b9823c3c9e/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 [2020-11-28 07:44:29,740 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_710402a7-cd40-43b6-b98a-87b9823c3c9e/bin/utaipan/data/6bd586476/07cb4cae915e42288396800e2a847068/FLAG2e9201c2a [2020-11-28 07:44:29,862 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_710402a7-cd40-43b6-b98a-87b9823c3c9e/bin/utaipan/data/6bd586476/07cb4cae915e42288396800e2a847068 [2020-11-28 07:44:29,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:44:29,867 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:44:29,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:44:29,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:44:29,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:44:29,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:44:29" (1/1) ... [2020-11-28 07:44:29,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6216952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:44:29, skipping insertion in model container [2020-11-28 07:44:29,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:44:29" (1/1) ... [2020-11-28 07:44:29,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:44:30,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:44:33,384 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:44:33,391 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:44:33,454 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:44:33,457 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:44:33,522 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:44:34,775 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:44:34,777 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:44:34,804 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:44:34,883 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:44:34,883 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:44:35,476 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:44:35,518 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:44:35,560 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-28 07:44:35,565 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:1031) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:939) 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:1408) 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:706) 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:1352) 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:1045) 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:1045) 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:1423) 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:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:579) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-28 07:44:35,573 INFO L168 Benchmark]: Toolchain (without parser) took 5703.35 ms. Allocated memory was 117.4 MB in the beginning and 211.8 MB in the end (delta: 94.4 MB). Free memory was 51.9 MB in the beginning and 94.5 MB in the end (delta: -42.6 MB). Peak memory consumption was 79.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:44:35,574 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 94.4 MB. Free memory was 52.2 MB in the beginning and 52.1 MB in the end (delta: 35.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:44:35,577 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5699.77 ms. Allocated memory was 117.4 MB in the beginning and 211.8 MB in the end (delta: 94.4 MB). Free memory was 51.6 MB in the beginning and 94.5 MB in the end (delta: -42.9 MB). Peak memory consumption was 79.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:44:35,579 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 94.4 MB. Free memory was 52.2 MB in the beginning and 52.1 MB in the end (delta: 35.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5699.77 ms. Allocated memory was 117.4 MB in the beginning and 211.8 MB in the end (delta: 94.4 MB). Free memory was 51.6 MB in the beginning and 94.5 MB in the end (delta: -42.9 MB). Peak memory consumption was 79.4 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 0.2.0-a4ecdab [2020-11-28 07:44:37,823 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:44:37,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:44:37,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:44:37,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:44:37,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:44:37,863 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:44:37,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:44:37,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:44:37,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:44:37,871 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:44:37,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:44:37,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:44:37,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:44:37,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:44:37,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:44:37,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:44:37,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:44:37,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:44:37,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:44:37,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:44:37,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:44:37,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:44:37,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:44:37,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:44:37,896 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:44:37,896 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:44:37,898 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:44:37,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:44:37,900 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:44:37,900 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:44:37,901 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:44:37,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:44:37,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:44:37,913 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:44:37,913 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:44:37,914 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:44:37,915 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:44:37,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:44:37,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:44:37,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:44:37,924 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_710402a7-cd40-43b6-b98a-87b9823c3c9e/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2020-11-28 07:44:37,956 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:44:37,957 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:44:37,958 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:44:37,958 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:44:37,958 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:44:37,958 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:44:37,959 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:44:37,959 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:44:37,959 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:44:37,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:44:37,960 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:44:37,960 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:44:37,960 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:44:37,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:44:37,961 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:44:37,961 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:44:37,961 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:44:37,961 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:44:37,962 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:44:37,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:44:37,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:44:37,962 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:44:37,963 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:44:37,963 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:44:37,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:44:37,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:44:37,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:44:37,964 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:44:37,964 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:44:37,964 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:44:37,964 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:44:37,964 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:44:37,965 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:44:37,965 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-vcloud-master/worker/run_dir_710402a7-cd40-43b6-b98a-87b9823c3c9e/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_710402a7-cd40-43b6-b98a-87b9823c3c9e/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6a935de7e2ae435e75b9e0e0c0d2ca1f5bb3adf [2020-11-28 07:44:38,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:44:38,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:44:38,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:44:38,377 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:44:38,378 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:44:38,379 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_710402a7-cd40-43b6-b98a-87b9823c3c9e/bin/utaipan/../../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 [2020-11-28 07:44:38,459 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_710402a7-cd40-43b6-b98a-87b9823c3c9e/bin/utaipan/data/c9afe6269/e8ec01346090480288b65537131b4fb8/FLAG9be5be9f5 [2020-11-28 07:44:40,471 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:44:40,472 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_710402a7-cd40-43b6-b98a-87b9823c3c9e/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 [2020-11-28 07:44:40,630 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_710402a7-cd40-43b6-b98a-87b9823c3c9e/bin/utaipan/data/c9afe6269/e8ec01346090480288b65537131b4fb8/FLAG9be5be9f5 [2020-11-28 07:44:40,870 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_710402a7-cd40-43b6-b98a-87b9823c3c9e/bin/utaipan/data/c9afe6269/e8ec01346090480288b65537131b4fb8 [2020-11-28 07:44:40,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:44:40,874 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:44:40,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:44:40,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:44:40,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:44:40,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:44:40" (1/1) ... [2020-11-28 07:44:40,897 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@188916a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:44:40, skipping insertion in model container [2020-11-28 07:44:40,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:44:40" (1/1) ... [2020-11-28 07:44:40,908 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:44:41,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:44:52,430 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 [2020-11-28 07:44:52,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2151aeb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:44:52, skipping insertion in model container [2020-11-28 07:44:52,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:44:52,432 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:44:52,437 INFO L168 Benchmark]: Toolchain (without parser) took 11558.87 ms. Allocated memory was 130.0 MB in the beginning and 373.3 MB in the end (delta: 243.3 MB). Free memory was 73.6 MB in the beginning and 265.7 MB in the end (delta: -192.0 MB). Peak memory consumption was 139.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:44:52,439 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 50.3 MB. Free memory was 31.4 MB in the beginning and 31.3 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:44:52,443 INFO L168 Benchmark]: CACSL2BoogieTranslator took 11556.04 ms. Allocated memory was 130.0 MB in the beginning and 373.3 MB in the end (delta: 243.3 MB). Free memory was 73.6 MB in the beginning and 265.7 MB in the end (delta: -192.0 MB). Peak memory consumption was 139.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:44:52,446 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 50.3 MB. Free memory was 31.4 MB in the beginning and 31.3 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 11556.04 ms. Allocated memory was 130.0 MB in the beginning and 373.3 MB in the end (delta: 243.3 MB). Free memory was 73.6 MB in the beginning and 265.7 MB in the end (delta: -192.0 MB). Peak memory consumption was 139.4 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...