./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-08_1a-drivers--net--wireless--iwlwifi--iwlwifi.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74899ef4-fa47-4f52-b69e-9b74ca49e67a/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74899ef4-fa47-4f52-b69e-9b74ca49e67a/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74899ef4-fa47-4f52-b69e-9b74ca49e67a/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74899ef4-fa47-4f52-b69e-9b74ca49e67a/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--wireless--iwlwifi--iwlwifi.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74899ef4-fa47-4f52-b69e-9b74ca49e67a/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74899ef4-fa47-4f52-b69e-9b74ca49e67a/bin/utaipan-Xvt2sAort0 --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 1e06ca16e57ed47e87628f9c3ff5868638982dfb13ab833e985f662cf1318c3b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 19:24:00,349 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 19:24:00,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 19:24:00,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 19:24:00,380 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 19:24:00,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 19:24:00,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 19:24:00,384 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 19:24:00,386 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 19:24:00,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 19:24:00,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 19:24:00,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 19:24:00,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 19:24:00,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 19:24:00,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 19:24:00,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 19:24:00,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 19:24:00,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 19:24:00,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 19:24:00,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 19:24:00,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 19:24:00,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 19:24:00,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 19:24:00,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 19:24:00,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 19:24:00,408 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 19:24:00,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 19:24:00,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 19:24:00,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 19:24:00,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 19:24:00,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 19:24:00,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 19:24:00,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 19:24:00,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 19:24:00,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 19:24:00,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 19:24:00,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 19:24:00,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 19:24:00,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 19:24:00,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 19:24:00,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 19:24:00,419 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74899ef4-fa47-4f52-b69e-9b74ca49e67a/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-16 19:24:00,441 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 19:24:00,442 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 19:24:00,442 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 19:24:00,442 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 19:24:00,443 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 19:24:00,443 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 19:24:00,444 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 19:24:00,444 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 19:24:00,444 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 19:24:00,444 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 19:24:00,445 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 19:24:00,445 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 19:24:00,445 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 19:24:00,445 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 19:24:00,445 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 19:24:00,446 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 19:24:00,446 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 19:24:00,446 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 19:24:00,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 19:24:00,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 19:24:00,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 19:24:00,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 19:24:00,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 19:24:00,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 19:24:00,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 19:24:00,448 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 19:24:00,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 19:24:00,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 19:24:00,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 19:24:00,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:24:00,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 19:24:00,450 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 19:24:00,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 19:24:00,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 19:24:00,450 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 19:24:00,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 19:24:00,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 19:24:00,451 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 19:24:00,451 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74899ef4-fa47-4f52-b69e-9b74ca49e67a/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74899ef4-fa47-4f52-b69e-9b74ca49e67a/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e06ca16e57ed47e87628f9c3ff5868638982dfb13ab833e985f662cf1318c3b [2022-11-16 19:24:00,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 19:24:00,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 19:24:00,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 19:24:00,774 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 19:24:00,775 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 19:24:00,776 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74899ef4-fa47-4f52-b69e-9b74ca49e67a/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--wireless--iwlwifi--iwlwifi.ko-entry_point.cil.out.i [2022-11-16 19:24:00,853 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74899ef4-fa47-4f52-b69e-9b74ca49e67a/bin/utaipan-Xvt2sAort0/data/17528e2bd/80be6f813b95470d8f54e147d0410f99/FLAGe9b324d7d [2022-11-16 19:24:02,199 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 19:24:02,200 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74899ef4-fa47-4f52-b69e-9b74ca49e67a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--wireless--iwlwifi--iwlwifi.ko-entry_point.cil.out.i [2022-11-16 19:24:02,294 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74899ef4-fa47-4f52-b69e-9b74ca49e67a/bin/utaipan-Xvt2sAort0/data/17528e2bd/80be6f813b95470d8f54e147d0410f99/FLAGe9b324d7d [2022-11-16 19:24:02,668 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74899ef4-fa47-4f52-b69e-9b74ca49e67a/bin/utaipan-Xvt2sAort0/data/17528e2bd/80be6f813b95470d8f54e147d0410f99 [2022-11-16 19:24:02,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 19:24:02,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 19:24:02,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 19:24:02,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 19:24:02,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 19:24:02,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:24:02" (1/1) ... [2022-11-16 19:24:02,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65ef1067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:24:02, skipping insertion in model container [2022-11-16 19:24:02,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:24:02" (1/1) ... [2022-11-16 19:24:02,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 19:24:03,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 19:24:05,224 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: __iwl_err [2022-11-16 19:24:05,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6e19ded8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:24:05, skipping insertion in model container [2022-11-16 19:24:05,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 19:24:05,226 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-16 19:24:05,228 INFO L158 Benchmark]: Toolchain (without parser) took 2554.30ms. Allocated memory was 123.7MB in the beginning and 176.2MB in the end (delta: 52.4MB). Free memory was 71.9MB in the beginning and 112.8MB in the end (delta: -40.8MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. [2022-11-16 19:24:05,229 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 123.7MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 19:24:05,231 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2551.97ms. Allocated memory was 123.7MB in the beginning and 176.2MB in the end (delta: 52.4MB). Free memory was 71.6MB in the beginning and 112.8MB in the end (delta: -41.2MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. [2022-11-16 19:24:05,233 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 123.7MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2551.97ms. Allocated memory was 123.7MB in the beginning and 176.2MB in the end (delta: 52.4MB). Free memory was 71.6MB in the beginning and 112.8MB in the end (delta: -41.2MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 9338]: 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74899ef4-fa47-4f52-b69e-9b74ca49e67a/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74899ef4-fa47-4f52-b69e-9b74ca49e67a/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74899ef4-fa47-4f52-b69e-9b74ca49e67a/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74899ef4-fa47-4f52-b69e-9b74ca49e67a/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--wireless--iwlwifi--iwlwifi.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74899ef4-fa47-4f52-b69e-9b74ca49e67a/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74899ef4-fa47-4f52-b69e-9b74ca49e67a/bin/utaipan-Xvt2sAort0 --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 1e06ca16e57ed47e87628f9c3ff5868638982dfb13ab833e985f662cf1318c3b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 19:24:07,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 19:24:07,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 19:24:07,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 19:24:07,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 19:24:07,378 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 19:24:07,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 19:24:07,384 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 19:24:07,387 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 19:24:07,394 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 19:24:07,395 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 19:24:07,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 19:24:07,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 19:24:07,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 19:24:07,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 19:24:07,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 19:24:07,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 19:24:07,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 19:24:07,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 19:24:07,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 19:24:07,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 19:24:07,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 19:24:07,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 19:24:07,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 19:24:07,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 19:24:07,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 19:24:07,433 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 19:24:07,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 19:24:07,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 19:24:07,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 19:24:07,438 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 19:24:07,439 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 19:24:07,440 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 19:24:07,441 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 19:24:07,442 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 19:24:07,443 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 19:24:07,444 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 19:24:07,444 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 19:24:07,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 19:24:07,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 19:24:07,447 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 19:24:07,450 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74899ef4-fa47-4f52-b69e-9b74ca49e67a/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-16 19:24:07,493 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 19:24:07,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 19:24:07,496 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 19:24:07,496 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 19:24:07,496 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 19:24:07,497 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 19:24:07,497 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 19:24:07,497 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 19:24:07,498 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 19:24:07,498 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 19:24:07,499 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 19:24:07,499 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 19:24:07,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 19:24:07,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 19:24:07,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 19:24:07,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 19:24:07,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 19:24:07,502 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 19:24:07,502 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 19:24:07,502 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 19:24:07,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 19:24:07,502 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 19:24:07,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 19:24:07,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 19:24:07,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 19:24:07,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 19:24:07,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:24:07,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 19:24:07,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 19:24:07,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 19:24:07,504 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-16 19:24:07,505 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 19:24:07,505 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 19:24:07,505 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 19:24:07,506 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 19:24:07,506 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_74899ef4-fa47-4f52-b69e-9b74ca49e67a/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74899ef4-fa47-4f52-b69e-9b74ca49e67a/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e06ca16e57ed47e87628f9c3ff5868638982dfb13ab833e985f662cf1318c3b [2022-11-16 19:24:07,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 19:24:07,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 19:24:07,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 19:24:07,898 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 19:24:07,898 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 19:24:07,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74899ef4-fa47-4f52-b69e-9b74ca49e67a/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--wireless--iwlwifi--iwlwifi.ko-entry_point.cil.out.i [2022-11-16 19:24:07,972 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74899ef4-fa47-4f52-b69e-9b74ca49e67a/bin/utaipan-Xvt2sAort0/data/f598aa79f/551c4f2a06d04b419f25bd4665a770f1/FLAG4f95e0d58 [2022-11-16 19:24:09,477 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 19:24:09,478 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74899ef4-fa47-4f52-b69e-9b74ca49e67a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--wireless--iwlwifi--iwlwifi.ko-entry_point.cil.out.i [2022-11-16 19:24:09,591 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74899ef4-fa47-4f52-b69e-9b74ca49e67a/bin/utaipan-Xvt2sAort0/data/f598aa79f/551c4f2a06d04b419f25bd4665a770f1/FLAG4f95e0d58 [2022-11-16 19:24:09,980 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74899ef4-fa47-4f52-b69e-9b74ca49e67a/bin/utaipan-Xvt2sAort0/data/f598aa79f/551c4f2a06d04b419f25bd4665a770f1 [2022-11-16 19:24:09,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 19:24:09,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 19:24:09,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 19:24:09,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 19:24:09,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 19:24:09,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:24:09" (1/1) ... [2022-11-16 19:24:10,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@582c8ca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:24:10, skipping insertion in model container [2022-11-16 19:24:10,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:24:09" (1/1) ... [2022-11-16 19:24:10,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 19:24:10,419 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 19:24:12,694 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: __iwl_err [2022-11-16 19:24:12,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5110df29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:24:12, skipping insertion in model container [2022-11-16 19:24:12,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 19:24:12,697 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-16 19:24:12,700 INFO L158 Benchmark]: Toolchain (without parser) took 2714.07ms. Allocated memory was 90.2MB in the beginning and 138.4MB in the end (delta: 48.2MB). Free memory was 45.9MB in the beginning and 69.4MB in the end (delta: -23.5MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2022-11-16 19:24:12,701 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 65.0MB. Free memory was 46.5MB in the beginning and 46.5MB in the end (delta: 44.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 19:24:12,704 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2711.49ms. Allocated memory was 90.2MB in the beginning and 138.4MB in the end (delta: 48.2MB). Free memory was 45.6MB in the beginning and 69.4MB in the end (delta: -23.8MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2022-11-16 19:24:12,706 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 65.0MB. Free memory was 46.5MB in the beginning and 46.5MB in the end (delta: 44.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2711.49ms. Allocated memory was 90.2MB in the beginning and 138.4MB in the end (delta: 48.2MB). Free memory was 45.6MB in the beginning and 69.4MB in the end (delta: -23.8MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 9338]: 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN