./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 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad432819-ea7f-4a7e-8c62-b96886f64c75/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad432819-ea7f-4a7e-8c62-b96886f64c75/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad432819-ea7f-4a7e-8c62-b96886f64c75/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad432819-ea7f-4a7e-8c62-b96886f64c75/bin/utaipan-Q6hlc19bkW/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_ad432819-ea7f-4a7e-8c62-b96886f64c75/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad432819-ea7f-4a7e-8c62-b96886f64c75/bin/utaipan-Q6hlc19bkW --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 1974ff03b08ed47181f88c6a05ee04806b9d38693f9d1cab1abe5d2f299d0845 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 15:51:21,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:51:21,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:51:21,739 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:51:21,739 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:51:21,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:51:21,749 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:51:21,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:51:21,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:51:21,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:51:21,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:51:21,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:51:21,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:51:21,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:51:21,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:51:21,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:51:21,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:51:21,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:51:21,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:51:21,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:51:21,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:51:21,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:51:21,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:51:21,788 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:51:21,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:51:21,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:51:21,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:51:21,798 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:51:21,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:51:21,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:51:21,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:51:21,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:51:21,804 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:51:21,805 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:51:21,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:51:21,806 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:51:21,807 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:51:21,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:51:21,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:51:21,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:51:21,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:51:21,810 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad432819-ea7f-4a7e-8c62-b96886f64c75/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 15:51:21,852 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:51:21,852 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:51:21,853 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:51:21,853 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:51:21,854 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:51:21,854 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:51:21,854 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:51:21,854 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:51:21,854 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:51:21,855 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:51:21,856 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:51:21,856 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:51:21,856 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:51:21,856 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:51:21,856 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:51:21,857 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:51:21,857 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:51:21,857 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:51:21,858 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:51:21,858 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:51:21,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:51:21,859 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:51:21,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:51:21,859 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:51:21,859 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:51:21,860 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:51:21,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:51:21,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:51:21,861 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:51:21,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:51:21,861 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:51:21,861 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:51:21,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:51:21,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:51:21,862 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:51:21,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:51:21,862 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:51:21,863 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:51:21,863 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_ad432819-ea7f-4a7e-8c62-b96886f64c75/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad432819-ea7f-4a7e-8c62-b96886f64c75/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1974ff03b08ed47181f88c6a05ee04806b9d38693f9d1cab1abe5d2f299d0845 [2022-11-23 15:51:22,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:51:22,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:51:22,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:51:22,164 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:51:22,165 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:51:22,166 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad432819-ea7f-4a7e-8c62-b96886f64c75/bin/utaipan-Q6hlc19bkW/../../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 [2022-11-23 15:51:25,244 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:51:26,642 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:51:26,643 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad432819-ea7f-4a7e-8c62-b96886f64c75/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 [2022-11-23 15:51:26,839 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad432819-ea7f-4a7e-8c62-b96886f64c75/bin/utaipan-Q6hlc19bkW/data/d44d4d952/786e8a8dc5354d618ae3ee2369c6f900/FLAGb548910db [2022-11-23 15:51:26,854 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad432819-ea7f-4a7e-8c62-b96886f64c75/bin/utaipan-Q6hlc19bkW/data/d44d4d952/786e8a8dc5354d618ae3ee2369c6f900 [2022-11-23 15:51:26,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:51:26,858 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:51:26,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:51:26,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:51:26,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:51:26,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:26" (1/1) ... [2022-11-23 15:51:26,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b87f0c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:26, skipping insertion in model container [2022-11-23 15:51:26,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:26" (1/1) ... [2022-11-23 15:51:26,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:51:27,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:51:37,071 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 [2022-11-23 15:51:37,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@454c6357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:37, skipping insertion in model container [2022-11-23 15:51:37,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:51:37,072 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-23 15:51:37,074 INFO L158 Benchmark]: Toolchain (without parser) took 10215.45ms. Allocated memory was 222.3MB in the beginning and 320.9MB in the end (delta: 98.6MB). Free memory was 154.7MB in the beginning and 216.4MB in the end (delta: -61.6MB). Peak memory consumption was 138.6MB. Max. memory is 16.1GB. [2022-11-23 15:51:37,074 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 98.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:51:37,075 INFO L158 Benchmark]: CACSL2BoogieTranslator took 10212.97ms. Allocated memory was 222.3MB in the beginning and 320.9MB in the end (delta: 98.6MB). Free memory was 154.7MB in the beginning and 216.4MB in the end (delta: -61.6MB). Peak memory consumption was 138.6MB. Max. memory is 16.1GB. [2022-11-23 15:51:37,076 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 98.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 10212.97ms. Allocated memory was 222.3MB in the beginning and 320.9MB in the end (delta: 98.6MB). Free memory was 154.7MB in the beginning and 216.4MB in the end (delta: -61.6MB). Peak memory consumption was 138.6MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad432819-ea7f-4a7e-8c62-b96886f64c75/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad432819-ea7f-4a7e-8c62-b96886f64c75/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad432819-ea7f-4a7e-8c62-b96886f64c75/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad432819-ea7f-4a7e-8c62-b96886f64c75/bin/utaipan-Q6hlc19bkW/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_ad432819-ea7f-4a7e-8c62-b96886f64c75/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad432819-ea7f-4a7e-8c62-b96886f64c75/bin/utaipan-Q6hlc19bkW --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 1974ff03b08ed47181f88c6a05ee04806b9d38693f9d1cab1abe5d2f299d0845 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 15:51:39,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:51:39,325 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:51:39,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:51:39,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:51:39,364 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:51:39,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:51:39,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:51:39,368 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:51:39,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:51:39,370 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:51:39,371 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:51:39,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:51:39,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:51:39,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:51:39,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:51:39,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:51:39,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:51:39,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:51:39,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:51:39,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:51:39,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:51:39,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:51:39,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:51:39,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:51:39,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:51:39,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:51:39,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:51:39,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:51:39,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:51:39,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:51:39,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:51:39,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:51:39,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:51:39,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:51:39,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:51:39,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:51:39,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:51:39,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:51:39,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:51:39,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:51:39,400 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad432819-ea7f-4a7e-8c62-b96886f64c75/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-23 15:51:39,424 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:51:39,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:51:39,424 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:51:39,425 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:51:39,426 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:51:39,426 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:51:39,426 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:51:39,426 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:51:39,427 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:51:39,427 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:51:39,427 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:51:39,428 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:51:39,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:51:39,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:51:39,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:51:39,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:51:39,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:51:39,430 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 15:51:39,430 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 15:51:39,430 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 15:51:39,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:51:39,431 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:51:39,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:51:39,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:51:39,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 15:51:39,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:51:39,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:51:39,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:51:39,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:51:39,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:51:39,433 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 15:51:39,434 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 15:51:39,434 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:51:39,434 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:51:39,434 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 15:51:39,435 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_ad432819-ea7f-4a7e-8c62-b96886f64c75/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad432819-ea7f-4a7e-8c62-b96886f64c75/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1974ff03b08ed47181f88c6a05ee04806b9d38693f9d1cab1abe5d2f299d0845 [2022-11-23 15:51:39,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:51:39,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:51:39,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:51:39,831 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:51:39,832 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:51:39,833 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad432819-ea7f-4a7e-8c62-b96886f64c75/bin/utaipan-Q6hlc19bkW/../../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 [2022-11-23 15:51:42,915 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:51:44,525 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:51:44,525 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad432819-ea7f-4a7e-8c62-b96886f64c75/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 [2022-11-23 15:51:44,703 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad432819-ea7f-4a7e-8c62-b96886f64c75/bin/utaipan-Q6hlc19bkW/data/0d1031c52/ff957fc4eb4a42999f311c47452fadb3/FLAG822a563e8 [2022-11-23 15:51:44,729 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad432819-ea7f-4a7e-8c62-b96886f64c75/bin/utaipan-Q6hlc19bkW/data/0d1031c52/ff957fc4eb4a42999f311c47452fadb3 [2022-11-23 15:51:44,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:51:44,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:51:44,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:51:44,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:51:44,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:51:44,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:44" (1/1) ... [2022-11-23 15:51:44,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63da0ee6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:44, skipping insertion in model container [2022-11-23 15:51:44,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:44" (1/1) ... [2022-11-23 15:51:44,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:51:45,277 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:51:56,144 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 [2022-11-23 15:51:56,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4fb563c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:56, skipping insertion in model container [2022-11-23 15:51:56,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:51:56,148 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-23 15:51:56,151 INFO L158 Benchmark]: Toolchain (without parser) took 11415.21ms. Allocated memory was 134.2MB in the beginning and 304.1MB in the end (delta: 169.9MB). Free memory was 79.6MB in the beginning and 134.9MB in the end (delta: -55.3MB). Peak memory consumption was 118.1MB. Max. memory is 16.1GB. [2022-11-23 15:51:56,152 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 62.9MB. Free memory was 41.2MB in the beginning and 41.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:51:56,153 INFO L158 Benchmark]: CACSL2BoogieTranslator took 11408.15ms. Allocated memory was 134.2MB in the beginning and 304.1MB in the end (delta: 169.9MB). Free memory was 79.6MB in the beginning and 134.9MB in the end (delta: -55.3MB). Peak memory consumption was 118.1MB. Max. memory is 16.1GB. [2022-11-23 15:51:56,155 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 62.9MB. Free memory was 41.2MB in the beginning and 41.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 11408.15ms. Allocated memory was 134.2MB in the beginning and 304.1MB in the end (delta: 169.9MB). Free memory was 79.6MB in the beginning and 134.9MB in the end (delta: -55.3MB). Peak memory consumption was 118.1MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN