./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703f795a-ada3-4afc-af44-36413f4e954b/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703f795a-ada3-4afc-af44-36413f4e954b/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703f795a-ada3-4afc-af44-36413f4e954b/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703f795a-ada3-4afc-af44-36413f4e954b/bin/utaipan-EQgc7hIp5V/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_703f795a-ada3-4afc-af44-36413f4e954b/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703f795a-ada3-4afc-af44-36413f4e954b/bin/utaipan-EQgc7hIp5V --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 --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:20:46,784 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:20:46,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:20:46,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:20:46,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:20:46,847 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:20:46,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:20:46,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:20:46,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:20:46,863 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:20:46,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:20:46,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:20:46,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:20:46,870 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:20:46,872 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:20:46,879 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:20:46,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:20:46,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:20:46,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:20:46,900 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:20:46,902 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:20:46,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:20:46,907 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:20:46,908 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:20:46,919 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:20:46,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:20:46,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:20:46,921 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:20:46,922 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:20:46,924 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:20:46,924 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:20:46,925 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:20:46,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:20:46,928 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:20:46,930 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:20:46,930 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:20:46,931 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:20:46,931 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:20:46,931 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:20:46,932 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:20:46,933 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:20:46,934 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703f795a-ada3-4afc-af44-36413f4e954b/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 03:20:46,987 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:20:46,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:20:46,988 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:20:46,989 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:20:46,997 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:20:46,997 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:20:46,997 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:20:46,998 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:20:46,998 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:20:46,998 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:20:46,999 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:20:46,999 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:20:47,000 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:20:47,000 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:20:47,000 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:20:47,000 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:20:47,000 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:20:47,001 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:20:47,001 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:20:47,002 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:20:47,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:20:47,002 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:20:47,002 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:20:47,002 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:20:47,003 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:20:47,003 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:20:47,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:20:47,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:20:47,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:20:47,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:20:47,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:20:47,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:20:47,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:20:47,006 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:20:47,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:20:47,007 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:20:47,007 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:20:47,007 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:20:47,007 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_703f795a-ada3-4afc-af44-36413f4e954b/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703f795a-ada3-4afc-af44-36413f4e954b/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1974ff03b08ed47181f88c6a05ee04806b9d38693f9d1cab1abe5d2f299d0845 [2021-11-23 03:20:47,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:20:47,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:20:47,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:20:47,368 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:20:47,369 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:20:47,371 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703f795a-ada3-4afc-af44-36413f4e954b/bin/utaipan-EQgc7hIp5V/../../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 [2021-11-23 03:20:47,457 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703f795a-ada3-4afc-af44-36413f4e954b/bin/utaipan-EQgc7hIp5V/data/3113c0d10/1178b36b4b4242dda65e76917e654d6a/FLAGddcce90b8 [2021-11-23 03:20:49,405 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:20:49,406 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703f795a-ada3-4afc-af44-36413f4e954b/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 [2021-11-23 03:20:49,553 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703f795a-ada3-4afc-af44-36413f4e954b/bin/utaipan-EQgc7hIp5V/data/3113c0d10/1178b36b4b4242dda65e76917e654d6a/FLAGddcce90b8 [2021-11-23 03:20:49,881 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703f795a-ada3-4afc-af44-36413f4e954b/bin/utaipan-EQgc7hIp5V/data/3113c0d10/1178b36b4b4242dda65e76917e654d6a [2021-11-23 03:20:49,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:20:49,885 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:20:49,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:20:49,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:20:49,891 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:20:49,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:20:49" (1/1) ... [2021-11-23 03:20:49,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@671d5ecf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:49, skipping insertion in model container [2021-11-23 03:20:49,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:20:49" (1/1) ... [2021-11-23 03:20:49,901 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:20:50,466 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:21:01,869 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 [2021-11-23 03:21:01,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@650ad4a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:01, skipping insertion in model container [2021-11-23 03:21:01,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:21:01,873 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 03:21:01,876 INFO L158 Benchmark]: Toolchain (without parser) took 11988.31ms. Allocated memory was 127.9MB in the beginning and 318.8MB in the end (delta: 190.8MB). Free memory was 64.1MB in the beginning and 184.2MB in the end (delta: -120.1MB). Peak memory consumption was 88.9MB. Max. memory is 16.1GB. [2021-11-23 03:21:01,878 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 94.4MB. Free memory was 68.4MB in the beginning and 68.3MB in the end (delta: 6.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:21:01,880 INFO L158 Benchmark]: CACSL2BoogieTranslator took 11985.66ms. Allocated memory was 127.9MB in the beginning and 318.8MB in the end (delta: 190.8MB). Free memory was 63.7MB in the beginning and 184.2MB in the end (delta: -120.5MB). Peak memory consumption was 88.9MB. Max. memory is 16.1GB. [2021-11-23 03:21:01,884 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 94.4MB. Free memory was 68.4MB in the beginning and 68.3MB in the end (delta: 6.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 11985.66ms. Allocated memory was 127.9MB in the beginning and 318.8MB in the end (delta: 190.8MB). Free memory was 63.7MB in the beginning and 184.2MB in the end (delta: -120.5MB). Peak memory consumption was 88.9MB. 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703f795a-ada3-4afc-af44-36413f4e954b/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703f795a-ada3-4afc-af44-36413f4e954b/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703f795a-ada3-4afc-af44-36413f4e954b/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703f795a-ada3-4afc-af44-36413f4e954b/bin/utaipan-EQgc7hIp5V/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_703f795a-ada3-4afc-af44-36413f4e954b/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703f795a-ada3-4afc-af44-36413f4e954b/bin/utaipan-EQgc7hIp5V --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 --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:21:04,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:21:04,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:21:04,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:21:04,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:21:04,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:21:04,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:21:04,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:21:04,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:21:04,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:21:04,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:21:04,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:21:04,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:21:04,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:21:04,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:21:04,603 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:21:04,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:21:04,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:21:04,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:21:04,616 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:21:04,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:21:04,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:21:04,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:21:04,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:21:04,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:21:04,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:21:04,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:21:04,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:21:04,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:21:04,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:21:04,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:21:04,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:21:04,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:21:04,644 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:21:04,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:21:04,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:21:04,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:21:04,648 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:21:04,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:21:04,650 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:21:04,651 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:21:04,652 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703f795a-ada3-4afc-af44-36413f4e954b/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-23 03:21:04,699 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:21:04,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:21:04,700 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:21:04,701 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:21:04,702 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:21:04,702 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:21:04,702 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:21:04,702 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:21:04,703 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:21:04,703 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:21:04,704 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:21:04,704 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:21:04,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:21:04,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:21:04,706 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:21:04,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:21:04,707 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:21:04,707 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 03:21:04,707 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 03:21:04,707 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 03:21:04,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:21:04,708 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:21:04,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:21:04,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:21:04,708 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 03:21:04,709 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:21:04,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:21:04,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:21:04,709 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:21:04,710 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:21:04,710 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 03:21:04,710 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 03:21:04,710 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:21:04,711 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:21:04,711 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:21:04,711 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_703f795a-ada3-4afc-af44-36413f4e954b/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703f795a-ada3-4afc-af44-36413f4e954b/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1974ff03b08ed47181f88c6a05ee04806b9d38693f9d1cab1abe5d2f299d0845 [2021-11-23 03:21:05,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:21:05,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:21:05,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:21:05,156 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:21:05,156 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:21:05,158 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703f795a-ada3-4afc-af44-36413f4e954b/bin/utaipan-EQgc7hIp5V/../../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 [2021-11-23 03:21:05,245 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703f795a-ada3-4afc-af44-36413f4e954b/bin/utaipan-EQgc7hIp5V/data/4f86cde87/60c96333607f4a08a2054cce5faa3302/FLAGccde68103 [2021-11-23 03:21:07,627 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:21:07,628 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703f795a-ada3-4afc-af44-36413f4e954b/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 [2021-11-23 03:21:07,836 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703f795a-ada3-4afc-af44-36413f4e954b/bin/utaipan-EQgc7hIp5V/data/4f86cde87/60c96333607f4a08a2054cce5faa3302/FLAGccde68103 [2021-11-23 03:21:08,168 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_703f795a-ada3-4afc-af44-36413f4e954b/bin/utaipan-EQgc7hIp5V/data/4f86cde87/60c96333607f4a08a2054cce5faa3302 [2021-11-23 03:21:08,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:21:08,173 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:21:08,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:21:08,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:21:08,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:21:08,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:21:08" (1/1) ... [2021-11-23 03:21:08,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54c5148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:08, skipping insertion in model container [2021-11-23 03:21:08,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:21:08" (1/1) ... [2021-11-23 03:21:08,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:21:08,905 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:21:19,748 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 [2021-11-23 03:21:19,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6bb19a51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:19, skipping insertion in model container [2021-11-23 03:21:19,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:21:19,752 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 03:21:19,754 INFO L158 Benchmark]: Toolchain (without parser) took 11579.99ms. Allocated memory was 111.1MB in the beginning and 323.0MB in the end (delta: 211.8MB). Free memory was 54.8MB in the beginning and 201.5MB in the end (delta: -146.7MB). Peak memory consumption was 130.1MB. Max. memory is 16.1GB. [2021-11-23 03:21:19,756 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 54.5MB. Free memory was 35.9MB in the beginning and 35.8MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:21:19,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 11577.22ms. Allocated memory was 111.1MB in the beginning and 323.0MB in the end (delta: 211.8MB). Free memory was 54.8MB in the beginning and 201.5MB in the end (delta: -146.7MB). Peak memory consumption was 130.1MB. Max. memory is 16.1GB. [2021-11-23 03:21:19,761 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 54.5MB. Free memory was 35.9MB in the beginning and 35.8MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 11577.22ms. Allocated memory was 111.1MB in the beginning and 323.0MB in the end (delta: 211.8MB). Free memory was 54.8MB in the beginning and 201.5MB in the end (delta: -146.7MB). Peak memory consumption was 130.1MB. 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