./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-43_2a-drivers--net--wireless--ath--ath5k--ath5k.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_565e23fb-f739-4972-9007-1b81078aecca/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565e23fb-f739-4972-9007-1b81078aecca/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_565e23fb-f739-4972-9007-1b81078aecca/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565e23fb-f739-4972-9007-1b81078aecca/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath5k--ath5k.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565e23fb-f739-4972-9007-1b81078aecca/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_565e23fb-f739-4972-9007-1b81078aecca/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 fa288965d97b763bf81c880a5b2858420f8cefbafb9ce840f496b17056b9007f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:25:32,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:25:32,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:25:32,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:25:32,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:25:32,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:25:32,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:25:32,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:25:32,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:25:32,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:25:32,587 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:25:32,589 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:25:32,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:25:32,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:25:32,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:25:32,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:25:32,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:25:32,610 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:25:32,617 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:25:32,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:25:32,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:25:32,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:25:32,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:25:32,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:25:32,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:25:32,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:25:32,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:25:32,649 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:25:32,650 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:25:32,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:25:32,653 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:25:32,654 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:25:32,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:25:32,658 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:25:32,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:25:32,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:25:32,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:25:32,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:25:32,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:25:32,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:25:32,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:25:32,666 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565e23fb-f739-4972-9007-1b81078aecca/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 02:25:32,711 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:25:32,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:25:32,714 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:25:32,714 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:25:32,715 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:25:32,723 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:25:32,724 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:25:32,724 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:25:32,724 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:25:32,725 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:25:32,726 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:25:32,726 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:25:32,727 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:25:32,727 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:25:32,727 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:25:32,728 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:25:32,728 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:25:32,728 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:25:32,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:25:32,729 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:25:32,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:25:32,730 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:25:32,730 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:25:32,731 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:25:32,731 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:25:32,731 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:25:32,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:25:32,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:25:32,734 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:25:32,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:25:32,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:25:32,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:25:32,735 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:25:32,736 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:25:32,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:25:32,736 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:25:32,737 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:25:32,737 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:25:32,737 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_565e23fb-f739-4972-9007-1b81078aecca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565e23fb-f739-4972-9007-1b81078aecca/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa288965d97b763bf81c880a5b2858420f8cefbafb9ce840f496b17056b9007f [2021-11-23 02:25:33,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:25:33,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:25:33,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:25:33,172 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:25:33,173 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:25:33,175 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565e23fb-f739-4972-9007-1b81078aecca/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath5k--ath5k.ko-entry_point.cil.out.i [2021-11-23 02:25:33,292 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565e23fb-f739-4972-9007-1b81078aecca/bin/utaipan-EQgc7hIp5V/data/6c00a95ee/45542ba046c74c3f92887b7bdf1d6b3d/FLAG201a31bd3 [2021-11-23 02:25:34,863 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:25:34,863 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565e23fb-f739-4972-9007-1b81078aecca/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath5k--ath5k.ko-entry_point.cil.out.i [2021-11-23 02:25:34,983 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565e23fb-f739-4972-9007-1b81078aecca/bin/utaipan-EQgc7hIp5V/data/6c00a95ee/45542ba046c74c3f92887b7bdf1d6b3d/FLAG201a31bd3 [2021-11-23 02:25:35,138 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565e23fb-f739-4972-9007-1b81078aecca/bin/utaipan-EQgc7hIp5V/data/6c00a95ee/45542ba046c74c3f92887b7bdf1d6b3d [2021-11-23 02:25:35,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:25:35,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:25:35,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:25:35,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:25:35,152 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:25:35,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:25:35" (1/1) ... [2021-11-23 02:25:35,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e3edd16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:35, skipping insertion in model container [2021-11-23 02:25:35,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:25:35" (1/1) ... [2021-11-23 02:25:35,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:25:35,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:25:38,230 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: _ath5k_printk [2021-11-23 02:25:38,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@20bea630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:38, skipping insertion in model container [2021-11-23 02:25:38,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:25:38,233 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 02:25:38,237 INFO L158 Benchmark]: Toolchain (without parser) took 3089.89ms. Allocated memory was 117.4MB in the beginning and 174.1MB in the end (delta: 56.6MB). Free memory was 56.1MB in the beginning and 103.6MB in the end (delta: -47.6MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. [2021-11-23 02:25:38,239 INFO L158 Benchmark]: CDTParser took 15.64ms. Allocated memory is still 90.2MB. Free memory was 44.6MB in the beginning and 63.7MB in the end (delta: -19.1MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2021-11-23 02:25:38,242 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3086.23ms. Allocated memory was 117.4MB in the beginning and 174.1MB in the end (delta: 56.6MB). Free memory was 56.1MB in the beginning and 103.6MB in the end (delta: -47.6MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. [2021-11-23 02:25:38,245 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 15.64ms. Allocated memory is still 90.2MB. Free memory was 44.6MB in the beginning and 63.7MB in the end (delta: -19.1MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3086.23ms. Allocated memory was 117.4MB in the beginning and 174.1MB in the end (delta: 56.6MB). Free memory was 56.1MB in the beginning and 103.6MB in the end (delta: -47.6MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 10016]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: _ath5k_printk 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_565e23fb-f739-4972-9007-1b81078aecca/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565e23fb-f739-4972-9007-1b81078aecca/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_565e23fb-f739-4972-9007-1b81078aecca/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565e23fb-f739-4972-9007-1b81078aecca/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath5k--ath5k.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565e23fb-f739-4972-9007-1b81078aecca/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_565e23fb-f739-4972-9007-1b81078aecca/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 fa288965d97b763bf81c880a5b2858420f8cefbafb9ce840f496b17056b9007f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:25:41,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:25:41,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:25:41,150 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:25:41,151 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:25:41,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:25:41,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:25:41,164 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:25:41,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:25:41,181 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:25:41,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:25:41,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:25:41,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:25:41,188 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:25:41,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:25:41,192 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:25:41,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:25:41,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:25:41,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:25:41,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:25:41,201 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:25:41,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:25:41,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:25:41,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:25:41,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:25:41,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:25:41,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:25:41,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:25:41,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:25:41,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:25:41,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:25:41,217 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:25:41,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:25:41,231 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:25:41,233 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:25:41,233 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:25:41,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:25:41,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:25:41,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:25:41,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:25:41,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:25:41,260 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565e23fb-f739-4972-9007-1b81078aecca/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-23 02:25:41,310 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:25:41,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:25:41,312 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:25:41,312 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:25:41,313 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:25:41,313 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:25:41,313 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:25:41,314 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:25:41,314 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:25:41,314 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:25:41,314 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:25:41,315 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:25:41,316 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:25:41,316 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:25:41,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:25:41,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:25:41,317 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:25:41,317 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 02:25:41,317 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 02:25:41,318 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 02:25:41,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:25:41,318 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:25:41,318 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:25:41,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:25:41,319 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 02:25:41,319 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:25:41,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:25:41,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:25:41,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:25:41,320 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:25:41,321 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 02:25:41,321 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 02:25:41,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:25:41,322 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:25:41,322 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:25:41,322 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_565e23fb-f739-4972-9007-1b81078aecca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565e23fb-f739-4972-9007-1b81078aecca/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa288965d97b763bf81c880a5b2858420f8cefbafb9ce840f496b17056b9007f [2021-11-23 02:25:41,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:25:41,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:25:41,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:25:41,827 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:25:41,835 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:25:41,836 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565e23fb-f739-4972-9007-1b81078aecca/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath5k--ath5k.ko-entry_point.cil.out.i [2021-11-23 02:25:41,940 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565e23fb-f739-4972-9007-1b81078aecca/bin/utaipan-EQgc7hIp5V/data/6ece38fff/daa0192eeae74ab2b890e13f4fd86894/FLAG960296d35 [2021-11-23 02:25:43,759 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:25:43,760 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565e23fb-f739-4972-9007-1b81078aecca/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath5k--ath5k.ko-entry_point.cil.out.i [2021-11-23 02:25:43,909 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565e23fb-f739-4972-9007-1b81078aecca/bin/utaipan-EQgc7hIp5V/data/6ece38fff/daa0192eeae74ab2b890e13f4fd86894/FLAG960296d35 [2021-11-23 02:25:44,421 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_565e23fb-f739-4972-9007-1b81078aecca/bin/utaipan-EQgc7hIp5V/data/6ece38fff/daa0192eeae74ab2b890e13f4fd86894 [2021-11-23 02:25:44,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:25:44,424 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:25:44,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:25:44,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:25:44,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:25:44,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:25:44" (1/1) ... [2021-11-23 02:25:44,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a180e1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:44, skipping insertion in model container [2021-11-23 02:25:44,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:25:44" (1/1) ... [2021-11-23 02:25:44,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:25:44,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:25:47,330 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: _ath5k_printk [2021-11-23 02:25:47,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@bd9eff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:47, skipping insertion in model container [2021-11-23 02:25:47,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:25:47,332 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 02:25:47,335 INFO L158 Benchmark]: Toolchain (without parser) took 2908.83ms. Allocated memory was 81.8MB in the beginning and 121.6MB in the end (delta: 39.8MB). Free memory was 43.8MB in the beginning and 63.3MB in the end (delta: -19.5MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2021-11-23 02:25:47,336 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 81.8MB. Free memory was 63.0MB in the beginning and 62.9MB in the end (delta: 72.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:25:47,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2906.77ms. Allocated memory was 81.8MB in the beginning and 121.6MB in the end (delta: 39.8MB). Free memory was 43.6MB in the beginning and 63.3MB in the end (delta: -19.7MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2021-11-23 02:25:47,340 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 81.8MB. Free memory was 63.0MB in the beginning and 62.9MB in the end (delta: 72.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2906.77ms. Allocated memory was 81.8MB in the beginning and 121.6MB in the end (delta: 39.8MB). Free memory was 43.6MB in the beginning and 63.3MB in the end (delta: -19.7MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 10016]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: _ath5k_printk 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