./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--usb--host--xhci-hcd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c920dc-04c4-49d0-ad26-dcab67329575/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c920dc-04c4-49d0-ad26-dcab67329575/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c920dc-04c4-49d0-ad26-dcab67329575/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c920dc-04c4-49d0-ad26-dcab67329575/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--xhci-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c920dc-04c4-49d0-ad26-dcab67329575/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c920dc-04c4-49d0-ad26-dcab67329575/bin/utaipan-7li7fVZpFI --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 287569c75dbe54888f4531ef4c1c96bda4038fb42dd660982b6a0e08e8201809 --- 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-5e519f3 [2022-11-03 01:49:52,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:49:52,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:49:52,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:49:52,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:49:52,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:49:52,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:49:52,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:49:52,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:49:52,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:49:52,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:49:52,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:49:52,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:49:52,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:49:52,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:49:52,044 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:49:52,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:49:52,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:49:52,048 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:49:52,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:49:52,052 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:49:52,053 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:49:52,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:49:52,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:49:52,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:49:52,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:49:52,060 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:49:52,062 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:49:52,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:49:52,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:49:52,064 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:49:52,065 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:49:52,066 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:49:52,067 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:49:52,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:49:52,068 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:49:52,069 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:49:52,069 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:49:52,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:49:52,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:49:52,071 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:49:52,072 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c920dc-04c4-49d0-ad26-dcab67329575/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 01:49:52,095 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:49:52,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:49:52,096 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:49:52,096 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:49:52,097 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:49:52,097 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:49:52,097 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:49:52,098 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:49:52,098 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:49:52,098 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:49:52,098 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:49:52,098 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:49:52,099 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:49:52,099 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:49:52,099 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:49:52,099 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:49:52,099 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:49:52,100 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:49:52,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:49:52,101 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:49:52,101 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:49:52,101 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:49:52,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:49:52,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:49:52,102 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:49:52,102 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:49:52,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:49:52,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:49:52,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:49:52,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:49:52,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:49:52,103 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:49:52,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:49:52,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:49:52,104 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:49:52,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:49:52,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:49:52,104 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:49:52,104 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_60c920dc-04c4-49d0-ad26-dcab67329575/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c920dc-04c4-49d0-ad26-dcab67329575/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 287569c75dbe54888f4531ef4c1c96bda4038fb42dd660982b6a0e08e8201809 [2022-11-03 01:49:52,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:49:52,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:49:52,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:49:52,398 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:49:52,399 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:49:52,400 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c920dc-04c4-49d0-ad26-dcab67329575/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--xhci-hcd.ko-entry_point.cil.out.i [2022-11-03 01:49:52,462 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c920dc-04c4-49d0-ad26-dcab67329575/bin/utaipan-7li7fVZpFI/data/f394a9af8/740627ba2f2e42faa3d23818bf17f49b/FLAGf4ca0c022 [2022-11-03 01:49:53,653 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:49:53,654 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c920dc-04c4-49d0-ad26-dcab67329575/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--xhci-hcd.ko-entry_point.cil.out.i [2022-11-03 01:49:53,739 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c920dc-04c4-49d0-ad26-dcab67329575/bin/utaipan-7li7fVZpFI/data/f394a9af8/740627ba2f2e42faa3d23818bf17f49b/FLAGf4ca0c022 [2022-11-03 01:49:53,982 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c920dc-04c4-49d0-ad26-dcab67329575/bin/utaipan-7li7fVZpFI/data/f394a9af8/740627ba2f2e42faa3d23818bf17f49b [2022-11-03 01:49:53,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:49:53,986 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:49:53,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:49:53,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:49:53,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:49:53,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:49:53" (1/1) ... [2022-11-03 01:49:53,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c507de7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:53, skipping insertion in model container [2022-11-03 01:49:53,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:49:53" (1/1) ... [2022-11-03 01:49:54,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:49:54,259 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:49:57,809 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xhci_dbg_trace [2022-11-03 01:49:57,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@78038ca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:57, skipping insertion in model container [2022-11-03 01:49:57,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:49:57,811 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 01:49:57,813 INFO L158 Benchmark]: Toolchain (without parser) took 3825.87ms. Allocated memory was 109.1MB in the beginning and 182.5MB in the end (delta: 73.4MB). Free memory was 55.2MB in the beginning and 93.1MB in the end (delta: -37.9MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2022-11-03 01:49:57,814 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 86.0MB. Free memory was 64.4MB in the beginning and 64.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:49:57,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3823.60ms. Allocated memory was 109.1MB in the beginning and 182.5MB in the end (delta: 73.4MB). Free memory was 55.0MB in the beginning and 93.1MB in the end (delta: -38.1MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2022-11-03 01:49:57,817 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 86.0MB. Free memory was 64.4MB in the beginning and 64.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3823.60ms. Allocated memory was 109.1MB in the beginning and 182.5MB in the end (delta: 73.4MB). Free memory was 55.0MB in the beginning and 93.1MB in the end (delta: -38.1MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6707]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xhci_dbg_trace 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c920dc-04c4-49d0-ad26-dcab67329575/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c920dc-04c4-49d0-ad26-dcab67329575/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c920dc-04c4-49d0-ad26-dcab67329575/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c920dc-04c4-49d0-ad26-dcab67329575/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--xhci-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c920dc-04c4-49d0-ad26-dcab67329575/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c920dc-04c4-49d0-ad26-dcab67329575/bin/utaipan-7li7fVZpFI --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 287569c75dbe54888f4531ef4c1c96bda4038fb42dd660982b6a0e08e8201809 --- 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-5e519f3 [2022-11-03 01:50:00,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:50:00,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:50:00,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:50:00,104 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:50:00,109 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:50:00,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:50:00,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:50:00,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:50:00,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:50:00,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:50:00,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:50:00,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:50:00,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:50:00,135 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:50:00,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:50:00,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:50:00,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:50:00,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:50:00,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:50:00,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:50:00,154 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:50:00,157 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:50:00,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:50:00,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:50:00,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:50:00,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:50:00,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:50:00,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:50:00,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:50:00,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:50:00,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:50:00,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:50:00,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:50:00,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:50:00,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:50:00,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:50:00,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:50:00,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:50:00,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:50:00,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:50:00,180 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c920dc-04c4-49d0-ad26-dcab67329575/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-03 01:50:00,223 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:50:00,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:50:00,225 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:50:00,225 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:50:00,226 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:50:00,226 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:50:00,227 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:50:00,227 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:50:00,227 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:50:00,227 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:50:00,228 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:50:00,229 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:50:00,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:50:00,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:50:00,231 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:50:00,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:50:00,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:50:00,231 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 01:50:00,231 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 01:50:00,232 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 01:50:00,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:50:00,232 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:50:00,232 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:50:00,232 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:50:00,233 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 01:50:00,233 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:50:00,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:50:00,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:50:00,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:50:00,234 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:50:00,234 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 01:50:00,234 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 01:50:00,235 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:50:00,235 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:50:00,235 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 01:50:00,236 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_60c920dc-04c4-49d0-ad26-dcab67329575/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c920dc-04c4-49d0-ad26-dcab67329575/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 287569c75dbe54888f4531ef4c1c96bda4038fb42dd660982b6a0e08e8201809 [2022-11-03 01:50:00,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:50:00,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:50:00,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:50:00,682 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:50:00,683 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:50:00,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c920dc-04c4-49d0-ad26-dcab67329575/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--xhci-hcd.ko-entry_point.cil.out.i [2022-11-03 01:50:00,750 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c920dc-04c4-49d0-ad26-dcab67329575/bin/utaipan-7li7fVZpFI/data/99777851f/301f7fff2888436685b4b10e1bfbde1b/FLAG7d618ffea [2022-11-03 01:50:02,037 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:50:02,038 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c920dc-04c4-49d0-ad26-dcab67329575/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--xhci-hcd.ko-entry_point.cil.out.i [2022-11-03 01:50:02,126 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c920dc-04c4-49d0-ad26-dcab67329575/bin/utaipan-7li7fVZpFI/data/99777851f/301f7fff2888436685b4b10e1bfbde1b/FLAG7d618ffea [2022-11-03 01:50:02,614 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c920dc-04c4-49d0-ad26-dcab67329575/bin/utaipan-7li7fVZpFI/data/99777851f/301f7fff2888436685b4b10e1bfbde1b [2022-11-03 01:50:02,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:50:02,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:50:02,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:50:02,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:50:02,633 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:50:02,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:50:02" (1/1) ... [2022-11-03 01:50:02,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77657182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:02, skipping insertion in model container [2022-11-03 01:50:02,635 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:50:02" (1/1) ... [2022-11-03 01:50:02,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:50:03,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:50:06,167 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xhci_dbg_trace [2022-11-03 01:50:06,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7170d93c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:06, skipping insertion in model container [2022-11-03 01:50:06,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:50:06,169 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 01:50:06,171 INFO L158 Benchmark]: Toolchain (without parser) took 3550.43ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 33.6MB in the beginning and 61.4MB in the end (delta: -27.7MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2022-11-03 01:50:06,172 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 52.4MB. Free memory was 31.7MB in the beginning and 31.6MB in the end (delta: 50.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:50:06,173 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3544.75ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 33.4MB in the beginning and 61.4MB in the end (delta: -27.9MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2022-11-03 01:50:06,175 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 52.4MB. Free memory was 31.7MB in the beginning and 31.6MB in the end (delta: 50.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3544.75ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 33.4MB in the beginning and 61.4MB in the end (delta: -27.9MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6707]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xhci_dbg_trace 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