./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--net--wireless--iwlwifi--iwlwifi.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca894e-1290-4ddb-9bd0-3867f4b2aec9/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca894e-1290-4ddb-9bd0-3867f4b2aec9/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca894e-1290-4ddb-9bd0-3867f4b2aec9/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca894e-1290-4ddb-9bd0-3867f4b2aec9/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--iwlwifi--iwlwifi.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca894e-1290-4ddb-9bd0-3867f4b2aec9/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca894e-1290-4ddb-9bd0-3867f4b2aec9/bin/utaipan-9zjyvhn0QE --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 fa587f0b36379de958284b6fc2dac04d466d3ed2170405f7351bb162fcbfad3a ....................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca894e-1290-4ddb-9bd0-3867f4b2aec9/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca894e-1290-4ddb-9bd0-3867f4b2aec9/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca894e-1290-4ddb-9bd0-3867f4b2aec9/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca894e-1290-4ddb-9bd0-3867f4b2aec9/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--iwlwifi--iwlwifi.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca894e-1290-4ddb-9bd0-3867f4b2aec9/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca894e-1290-4ddb-9bd0-3867f4b2aec9/bin/utaipan-9zjyvhn0QE --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 fa587f0b36379de958284b6fc2dac04d466d3ed2170405f7351bb162fcbfad3a ................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 11:15:56,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:15:56,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:15:56,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:15:56,869 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:15:56,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:15:56,875 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:15:56,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:15:56,883 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:15:56,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:15:56,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:15:56,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:15:56,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:15:56,900 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:15:56,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:15:56,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:15:56,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:15:56,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:15:56,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:15:56,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:15:56,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:15:56,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:15:56,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:15:56,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:15:56,924 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:15:56,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:15:56,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:15:56,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:15:56,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:15:56,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:15:56,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:15:56,935 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:15:56,937 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:15:56,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:15:56,941 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:15:56,941 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:15:56,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:15:56,942 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:15:56,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:15:56,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:15:56,945 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:15:56,946 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca894e-1290-4ddb-9bd0-3867f4b2aec9/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-10-24 11:15:56,994 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:15:56,995 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:15:56,996 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:15:56,996 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:15:56,997 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:15:56,997 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:15:56,997 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 11:15:56,997 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:15:57,004 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:15:57,004 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 11:15:57,005 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 11:15:57,006 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:15:57,006 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 11:15:57,006 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 11:15:57,006 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 11:15:57,007 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:15:57,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 11:15:57,008 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:15:57,008 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:15:57,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:15:57,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:15:57,009 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:15:57,009 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:15:57,009 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:15:57,009 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:15:57,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:15:57,010 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:15:57,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:15:57,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:15:57,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:15:57,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:15:57,011 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 11:15:57,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 11:15:57,012 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:15:57,012 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:15:57,012 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:15:57,012 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_d7ca894e-1290-4ddb-9bd0-3867f4b2aec9/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca894e-1290-4ddb-9bd0-3867f4b2aec9/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa587f0b36379de958284b6fc2dac04d466d3ed2170405f7351bb162fcbfad3a [2021-10-24 11:15:57,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:15:57,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:15:57,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:15:57,324 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:15:57,325 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:15:57,326 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca894e-1290-4ddb-9bd0-3867f4b2aec9/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--iwlwifi--iwlwifi.ko-entry_point.cil.out.i [2021-10-24 11:15:57,382 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca894e-1290-4ddb-9bd0-3867f4b2aec9/bin/utaipan-9zjyvhn0QE/data/99c54dde8/15e8dc85e96b4a94ab35b054b39575be/FLAGee5fd180b [2021-10-24 11:15:58,766 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:15:58,767 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca894e-1290-4ddb-9bd0-3867f4b2aec9/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--iwlwifi--iwlwifi.ko-entry_point.cil.out.i [2021-10-24 11:15:58,883 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca894e-1290-4ddb-9bd0-3867f4b2aec9/bin/utaipan-9zjyvhn0QE/data/99c54dde8/15e8dc85e96b4a94ab35b054b39575be/FLAGee5fd180b [2021-10-24 11:15:59,204 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca894e-1290-4ddb-9bd0-3867f4b2aec9/bin/utaipan-9zjyvhn0QE/data/99c54dde8/15e8dc85e96b4a94ab35b054b39575be [2021-10-24 11:15:59,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:15:59,209 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:15:59,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:15:59,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:15:59,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:15:59,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:15:59" (1/1) ... [2021-10-24 11:15:59,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@178a1466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:15:59, skipping insertion in model container [2021-10-24 11:15:59,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:15:59" (1/1) ... [2021-10-24 11:15:59,230 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:15:59,604 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:16:02,352 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: __iwl_err [2021-10-24 11:16:02,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@122971fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:02, skipping insertion in model container [2021-10-24 11:16:02,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:16:02,367 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 11:16:02,369 INFO L168 Benchmark]: Toolchain (without parser) took 3158.87 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 75.3 MB in the beginning and 141.0 MB in the end (delta: -65.7 MB). Peak memory consumption was 63.0 MB. Max. memory is 16.1 GB. [2021-10-24 11:16:02,370 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 134.2 MB. Free memory was 108.9 MB in the beginning and 108.8 MB in the end (delta: 67.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:16:02,371 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3154.40 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 75.3 MB in the beginning and 141.0 MB in the end (delta: -65.7 MB). Peak memory consumption was 63.0 MB. Max. memory is 16.1 GB. [2021-10-24 11:16:02,373 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 134.2 MB. Free memory was 108.9 MB in the beginning and 108.8 MB in the end (delta: 67.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3154.40 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 75.3 MB in the beginning and 141.0 MB in the end (delta: -65.7 MB). Peak memory consumption was 63.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 9327]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: __iwl_err RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 11:16:04,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:16:04,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:16:04,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:16:04,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:16:04,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:16:04,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:16:04,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:16:04,805 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:16:04,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:16:04,815 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:16:04,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:16:04,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:16:04,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:16:04,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:16:04,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:16:04,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:16:04,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:16:04,835 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:16:04,844 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:16:04,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:16:04,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:16:04,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:16:04,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:16:04,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:16:04,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:16:04,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:16:04,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:16:04,865 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:16:04,866 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:16:04,867 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:16:04,868 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:16:04,869 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:16:04,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:16:04,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:16:04,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:16:04,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:16:04,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:16:04,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:16:04,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:16:04,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:16:04,877 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca894e-1290-4ddb-9bd0-3867f4b2aec9/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-10-24 11:16:04,904 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:16:04,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:16:04,905 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:16:04,906 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:16:04,906 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:16:04,906 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:16:04,906 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:16:04,907 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:16:04,907 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:16:04,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:16:04,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:16:04,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:16:04,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:16:04,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:16:04,909 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:16:04,909 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 11:16:04,909 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 11:16:04,910 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:16:04,910 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:16:04,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:16:04,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:16:04,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 11:16:04,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:16:04,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:16:04,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:16:04,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:16:04,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:16:04,912 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 11:16:04,912 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 11:16:04,913 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:16:04,913 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:16:04,913 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:16:04,913 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_d7ca894e-1290-4ddb-9bd0-3867f4b2aec9/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca894e-1290-4ddb-9bd0-3867f4b2aec9/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa587f0b36379de958284b6fc2dac04d466d3ed2170405f7351bb162fcbfad3a [2021-10-24 11:16:05,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:16:05,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:16:05,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:16:05,397 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:16:05,402 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:16:05,403 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca894e-1290-4ddb-9bd0-3867f4b2aec9/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--iwlwifi--iwlwifi.ko-entry_point.cil.out.i [2021-10-24 11:16:05,482 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca894e-1290-4ddb-9bd0-3867f4b2aec9/bin/utaipan-9zjyvhn0QE/data/1cb06f872/79dc0413e33346e1af59cf9d5fe90466/FLAG97bd0f5f1 [2021-10-24 11:16:07,171 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:16:07,172 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca894e-1290-4ddb-9bd0-3867f4b2aec9/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--iwlwifi--iwlwifi.ko-entry_point.cil.out.i [2021-10-24 11:16:07,304 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca894e-1290-4ddb-9bd0-3867f4b2aec9/bin/utaipan-9zjyvhn0QE/data/1cb06f872/79dc0413e33346e1af59cf9d5fe90466/FLAG97bd0f5f1 [2021-10-24 11:16:07,380 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca894e-1290-4ddb-9bd0-3867f4b2aec9/bin/utaipan-9zjyvhn0QE/data/1cb06f872/79dc0413e33346e1af59cf9d5fe90466 [2021-10-24 11:16:07,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:16:07,383 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:16:07,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:16:07,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:16:07,394 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:16:07,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:16:07" (1/1) ... [2021-10-24 11:16:07,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53ef2499 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:07, skipping insertion in model container [2021-10-24 11:16:07,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:16:07" (1/1) ... [2021-10-24 11:16:07,439 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:16:07,989 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:16:11,047 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: __iwl_err [2021-10-24 11:16:11,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2c07de0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:11, skipping insertion in model container [2021-10-24 11:16:11,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:16:11,050 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 11:16:11,052 INFO L168 Benchmark]: Toolchain (without parser) took 3667.24 ms. Allocated memory was 90.2 MB in the beginning and 157.3 MB in the end (delta: 67.1 MB). Free memory was 41.2 MB in the beginning and 99.1 MB in the end (delta: -57.9 MB). Peak memory consumption was 87.9 MB. Max. memory is 16.1 GB. [2021-10-24 11:16:11,055 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 62.9 MB. Free memory is still 44.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:16:11,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3664.45 ms. Allocated memory was 90.2 MB in the beginning and 157.3 MB in the end (delta: 67.1 MB). Free memory was 41.0 MB in the beginning and 99.1 MB in the end (delta: -58.2 MB). Peak memory consumption was 87.9 MB. Max. memory is 16.1 GB. [2021-10-24 11:16:11,060 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 62.9 MB. Free memory is still 44.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3664.45 ms. Allocated memory was 90.2 MB in the beginning and 157.3 MB in the end (delta: 67.1 MB). Free memory was 41.0 MB in the beginning and 99.1 MB in the end (delta: -58.2 MB). Peak memory consumption was 87.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 9327]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: __iwl_err RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...