./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 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1d80d1-d5a9-4e59-8c1c-8842df61a523/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1d80d1-d5a9-4e59-8c1c-8842df61a523/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1d80d1-d5a9-4e59-8c1c-8842df61a523/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1d80d1-d5a9-4e59-8c1c-8842df61a523/bin/utaipan-q2qaUkNPG8/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_ef1d80d1-d5a9-4e59-8c1c-8842df61a523/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1d80d1-d5a9-4e59-8c1c-8842df61a523/bin/utaipan-q2qaUkNPG8 --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 4a7297393f106a57e2c2dd763b0e4fdb9779b1b0 ....................................................................................................................................... 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_ef1d80d1-d5a9-4e59-8c1c-8842df61a523/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1d80d1-d5a9-4e59-8c1c-8842df61a523/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1d80d1-d5a9-4e59-8c1c-8842df61a523/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1d80d1-d5a9-4e59-8c1c-8842df61a523/bin/utaipan-q2qaUkNPG8/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_ef1d80d1-d5a9-4e59-8c1c-8842df61a523/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1d80d1-d5a9-4e59-8c1c-8842df61a523/bin/utaipan-q2qaUkNPG8 --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 4a7297393f106a57e2c2dd763b0e4fdb9779b1b0 ................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:50:46,715 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:50:46,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:50:46,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:50:46,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:50:46,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:50:46,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:50:46,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:50:46,801 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:50:46,808 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:50:46,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:50:46,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:50:46,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:50:46,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:50:46,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:50:46,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:50:46,826 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:50:46,827 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:50:46,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:50:46,844 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:50:46,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:50:46,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:50:46,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:50:46,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:50:46,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:50:46,865 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:50:46,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:50:46,868 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:50:46,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:50:46,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:50:46,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:50:46,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:50:46,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:50:46,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:50:46,880 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:50:46,880 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:50:46,881 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:50:46,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:50:46,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:50:46,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:50:46,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:50:46,886 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1d80d1-d5a9-4e59-8c1c-8842df61a523/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-10-13 07:50:46,942 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:50:46,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:50:46,944 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:50:46,944 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:50:46,945 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:50:46,945 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:50:46,945 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:50:46,945 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:50:46,954 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:50:46,954 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:50:46,955 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:50:46,956 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:50:46,956 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:50:46,956 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:50:46,957 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:50:46,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:50:46,958 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:50:46,958 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:50:46,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:50:46,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:50:46,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:50:46,960 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:50:46,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:50:46,960 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:50:46,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:50:46,961 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:50:46,961 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:50:46,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:50:46,962 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:50:46,964 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:50:46,964 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:50:46,964 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:50:46,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:50:46,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:50:46,965 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:50:46,966 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:50:46,966 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_ef1d80d1-d5a9-4e59-8c1c-8842df61a523/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1d80d1-d5a9-4e59-8c1c-8842df61a523/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a7297393f106a57e2c2dd763b0e4fdb9779b1b0 [2021-10-13 07:50:47,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:50:47,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:50:47,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:50:47,333 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:50:47,334 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:50:47,335 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1d80d1-d5a9-4e59-8c1c-8842df61a523/bin/utaipan-q2qaUkNPG8/../../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 [2021-10-13 07:50:47,452 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1d80d1-d5a9-4e59-8c1c-8842df61a523/bin/utaipan-q2qaUkNPG8/data/44337902b/eafaa12131b24102b9d4a3416de79b87/FLAG6d8bcfeef [2021-10-13 07:50:49,375 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:50:49,376 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1d80d1-d5a9-4e59-8c1c-8842df61a523/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 [2021-10-13 07:50:49,512 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1d80d1-d5a9-4e59-8c1c-8842df61a523/bin/utaipan-q2qaUkNPG8/data/44337902b/eafaa12131b24102b9d4a3416de79b87/FLAG6d8bcfeef [2021-10-13 07:50:49,960 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1d80d1-d5a9-4e59-8c1c-8842df61a523/bin/utaipan-q2qaUkNPG8/data/44337902b/eafaa12131b24102b9d4a3416de79b87 [2021-10-13 07:50:49,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:50:49,964 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:50:49,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:50:49,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:50:49,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:50:49,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:50:49" (1/1) ... [2021-10-13 07:50:49,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@406220c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:50:49, skipping insertion in model container [2021-10-13 07:50:49,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:50:49" (1/1) ... [2021-10-13 07:50:49,982 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:50:50,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:50:53,865 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: __iwl_err [2021-10-13 07:50:53,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7d48b3f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:50:53, skipping insertion in model container [2021-10-13 07:50:53,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:50:53,867 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:50:53,870 INFO L168 Benchmark]: Toolchain (without parser) took 3904.75 ms. Allocated memory was 151.0 MB in the beginning and 253.8 MB in the end (delta: 102.8 MB). Free memory was 104.0 MB in the beginning and 179.8 MB in the end (delta: -75.8 MB). Peak memory consumption was 63.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:50:53,871 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 81.8 MB. Free memory is still 38.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:50:53,873 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3900.08 ms. Allocated memory was 151.0 MB in the beginning and 253.8 MB in the end (delta: 102.8 MB). Free memory was 103.6 MB in the beginning and 179.8 MB in the end (delta: -76.3 MB). Peak memory consumption was 63.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:50:53,875 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 81.8 MB. Free memory is still 38.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3900.08 ms. Allocated memory was 151.0 MB in the beginning and 253.8 MB in the end (delta: 102.8 MB). Free memory was 103.6 MB in the beginning and 179.8 MB in the end (delta: -76.3 MB). Peak memory consumption was 63.2 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-4e77c04 [2021-10-13 07:50:56,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:50:56,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:50:56,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:50:56,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:50:56,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:50:56,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:50:56,798 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:50:56,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:50:56,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:50:56,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:50:56,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:50:56,817 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:50:56,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:50:56,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:50:56,829 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:50:56,831 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:50:56,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:50:56,835 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:50:56,844 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:50:56,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:50:56,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:50:56,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:50:56,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:50:56,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:50:56,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:50:56,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:50:56,870 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:50:56,871 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:50:56,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:50:56,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:50:56,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:50:56,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:50:56,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:50:56,880 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:50:56,880 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:50:56,881 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:50:56,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:50:56,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:50:56,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:50:56,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:50:56,886 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1d80d1-d5a9-4e59-8c1c-8842df61a523/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-10-13 07:50:56,938 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:50:56,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:50:56,940 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:50:56,940 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:50:56,940 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:50:56,941 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:50:56,941 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:50:56,941 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:50:56,942 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:50:56,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:50:56,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:50:56,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:50:56,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:50:56,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:50:56,946 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:50:56,946 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:50:56,947 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:50:56,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:50:56,947 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:50:56,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:50:56,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:50:56,948 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:50:56,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:50:56,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:50:56,949 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:50:56,949 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:50:56,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:50:56,950 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:50:56,950 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:50:56,950 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:50:56,950 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:50:56,951 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:50:56,951 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_ef1d80d1-d5a9-4e59-8c1c-8842df61a523/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1d80d1-d5a9-4e59-8c1c-8842df61a523/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a7297393f106a57e2c2dd763b0e4fdb9779b1b0 [2021-10-13 07:50:57,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:50:57,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:50:57,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:50:57,516 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:50:57,517 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:50:57,518 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1d80d1-d5a9-4e59-8c1c-8842df61a523/bin/utaipan-q2qaUkNPG8/../../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 [2021-10-13 07:50:57,628 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1d80d1-d5a9-4e59-8c1c-8842df61a523/bin/utaipan-q2qaUkNPG8/data/99114a516/77b5b537fe5446d9a4e5f4d56d70ff9e/FLAG193470a03 [2021-10-13 07:50:59,530 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:50:59,531 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1d80d1-d5a9-4e59-8c1c-8842df61a523/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 [2021-10-13 07:50:59,675 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1d80d1-d5a9-4e59-8c1c-8842df61a523/bin/utaipan-q2qaUkNPG8/data/99114a516/77b5b537fe5446d9a4e5f4d56d70ff9e/FLAG193470a03 [2021-10-13 07:51:00,115 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef1d80d1-d5a9-4e59-8c1c-8842df61a523/bin/utaipan-q2qaUkNPG8/data/99114a516/77b5b537fe5446d9a4e5f4d56d70ff9e [2021-10-13 07:51:00,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:51:00,119 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:51:00,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:51:00,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:51:00,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:51:00,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:51:00" (1/1) ... [2021-10-13 07:51:00,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b0f501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:00, skipping insertion in model container [2021-10-13 07:51:00,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:51:00" (1/1) ... [2021-10-13 07:51:00,149 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:51:00,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:51:03,702 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: __iwl_err [2021-10-13 07:51:03,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@8f20757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:03, skipping insertion in model container [2021-10-13 07:51:03,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:51:03,705 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:51:03,709 INFO L168 Benchmark]: Toolchain (without parser) took 3587.64 ms. Allocated memory was 71.3 MB in the beginning and 125.8 MB in the end (delta: 54.5 MB). Free memory was 26.5 MB in the beginning and 63.3 MB in the end (delta: -36.8 MB). Peak memory consumption was 60.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:51:03,710 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 54.5 MB. Free memory is still 34.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:51:03,713 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3584.92 ms. Allocated memory was 71.3 MB in the beginning and 125.8 MB in the end (delta: 54.5 MB). Free memory was 26.3 MB in the beginning and 63.3 MB in the end (delta: -37.0 MB). Peak memory consumption was 58.0 MB. Max. memory is 16.1 GB. [2021-10-13 07:51:03,716 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 54.5 MB. Free memory is still 34.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3584.92 ms. Allocated memory was 71.3 MB in the beginning and 125.8 MB in the end (delta: 54.5 MB). Free memory was 26.3 MB in the beginning and 63.3 MB in the end (delta: -37.0 MB). Peak memory consumption was 58.0 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...