./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs --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 fa7a67fd083bae0f32dee6a9d6b02333e5642185d7c291c7921a10d0fe0b84f2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:47:26,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:47:26,670 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:47:26,732 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:47:26,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:47:26,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:47:26,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:47:26,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:47:26,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:47:26,756 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:47:26,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:47:26,762 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:47:26,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:47:26,772 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:47:26,774 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:47:26,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:47:26,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:47:26,781 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:47:26,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:47:26,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:47:26,801 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:47:26,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:47:26,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:47:26,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:47:26,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:47:26,817 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:47:26,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:47:26,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:47:26,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:47:26,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:47:26,824 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:47:26,826 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:47:26,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:47:26,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:47:26,832 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:47:26,832 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:47:26,833 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:47:26,834 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:47:26,834 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:47:26,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:47:26,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:47:26,837 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 14:47:26,891 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:47:26,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:47:26,894 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:47:26,894 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:47:26,894 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:47:26,895 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:47:26,895 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:47:26,895 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:47:26,896 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:47:26,896 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:47:26,897 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:47:26,898 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:47:26,898 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:47:26,898 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:47:26,899 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:47:26,899 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:47:26,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:47:26,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:47:26,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:47:26,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:47:26,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:47:26,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:47:26,902 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:47:26,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:47:26,902 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:47:26,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:47:26,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:47:26,903 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:47:26,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:47:26,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:47:26,904 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:47:26,904 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:47:26,905 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:47:26,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:47:26,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:47:26,906 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:47:26,906 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:47:26,906 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_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa7a67fd083bae0f32dee6a9d6b02333e5642185d7c291c7921a10d0fe0b84f2 [2021-11-19 14:47:27,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:47:27,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:47:27,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:47:27,342 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:47:27,343 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:47:27,344 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i [2021-11-19 14:47:27,440 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/data/601cc7cad/a1b95dcabccf48339c0aeabe1ccb47b7/FLAGb5c639f9c [2021-11-19 14:47:28,752 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:47:28,754 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i [2021-11-19 14:47:28,843 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/data/601cc7cad/a1b95dcabccf48339c0aeabe1ccb47b7/FLAGb5c639f9c [2021-11-19 14:47:28,874 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/data/601cc7cad/a1b95dcabccf48339c0aeabe1ccb47b7 [2021-11-19 14:47:28,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:47:28,881 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:47:28,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:47:28,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:47:28,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:47:28,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:28" (1/1) ... [2021-11-19 14:47:28,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@753b5dde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:28, skipping insertion in model container [2021-11-19 14:47:28,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:28" (1/1) ... [2021-11-19 14:47:28,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:47:29,132 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:47:32,206 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:32,207 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:32,299 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:32,301 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:32,317 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:32,317 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:32,319 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:32,338 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:32,339 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:32,348 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:32,349 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:32,357 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:32,358 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:32,359 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:32,367 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:32,368 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:32,377 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:32,378 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:32,434 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:32,444 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:32,445 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:32,544 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:32,578 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:32,650 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:32,651 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:32,676 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:32,677 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:32,685 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:32,686 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:32,730 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:32,731 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:32,765 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:32,767 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,060 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,061 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,062 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,113 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,115 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,124 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,126 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,135 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,137 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,146 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,147 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,148 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,149 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,167 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,168 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,169 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,170 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,180 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,181 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,196 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,197 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,213 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,214 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,268 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,269 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,424 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,426 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,439 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,440 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,466 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,470 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,491 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,494 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,536 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,537 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,550 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:33,551 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:47:35,779 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i[473889,473902] [2021-11-19 14:47:35,782 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i[474034,474047] [2021-11-19 14:47:35,806 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:47:35,945 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 14:47:35,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5bf1ab55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:35, skipping insertion in model container [2021-11-19 14:47:35,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:47:35,946 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:47:35,949 INFO L158 Benchmark]: Toolchain (without parser) took 7066.15ms. Allocated memory was 136.3MB in the beginning and 192.9MB in the end (delta: 56.6MB). Free memory was 82.4MB in the beginning and 135.4MB in the end (delta: -53.0MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. [2021-11-19 14:47:35,951 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 96.5MB. Free memory was 67.8MB in the beginning and 67.8MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:47:35,952 INFO L158 Benchmark]: CACSL2BoogieTranslator took 7061.96ms. Allocated memory was 136.3MB in the beginning and 192.9MB in the end (delta: 56.6MB). Free memory was 82.0MB in the beginning and 135.4MB in the end (delta: -53.3MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. [2021-11-19 14:47:35,955 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 96.5MB. Free memory was 67.8MB in the beginning and 67.8MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 7061.96ms. Allocated memory was 136.3MB in the beginning and 192.9MB in the end (delta: 56.6MB). Free memory was 82.0MB in the beginning and 135.4MB in the end (delta: -53.3MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6789]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) 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_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs --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 fa7a67fd083bae0f32dee6a9d6b02333e5642185d7c291c7921a10d0fe0b84f2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:47:38,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:47:38,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:47:39,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:47:39,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:47:39,004 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:47:39,006 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:47:39,009 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:47:39,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:47:39,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:47:39,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:47:39,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:47:39,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:47:39,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:47:39,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:47:39,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:47:39,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:47:39,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:47:39,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:47:39,029 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:47:39,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:47:39,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:47:39,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:47:39,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:47:39,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:47:39,040 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:47:39,041 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:47:39,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:47:39,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:47:39,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:47:39,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:47:39,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:47:39,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:47:39,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:47:39,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:47:39,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:47:39,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:47:39,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:47:39,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:47:39,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:47:39,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:47:39,054 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 14:47:39,111 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:47:39,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:47:39,113 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:47:39,113 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:47:39,114 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:47:39,114 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:47:39,115 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:47:39,115 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:47:39,116 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:47:39,116 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:47:39,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:47:39,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:47:39,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:47:39,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:47:39,123 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:47:39,124 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:47:39,124 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:47:39,124 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:47:39,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:47:39,125 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:47:39,125 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:47:39,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:47:39,125 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:47:39,126 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:47:39,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:47:39,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:47:39,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:47:39,127 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:47:39,128 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:47:39,128 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:47:39,129 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:47:39,129 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:47:39,129 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:47:39,129 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_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa7a67fd083bae0f32dee6a9d6b02333e5642185d7c291c7921a10d0fe0b84f2 [2021-11-19 14:47:39,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:47:39,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:47:39,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:47:39,577 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:47:39,578 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:47:39,580 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i [2021-11-19 14:47:39,676 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/data/1a3238b1d/6a4c332ee0f0409e84a6c55d7b3bd1e7/FLAGf2ebb25a8 [2021-11-19 14:47:41,199 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:47:41,201 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i [2021-11-19 14:47:41,330 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/data/1a3238b1d/6a4c332ee0f0409e84a6c55d7b3bd1e7/FLAGf2ebb25a8 [2021-11-19 14:47:41,787 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/data/1a3238b1d/6a4c332ee0f0409e84a6c55d7b3bd1e7 [2021-11-19 14:47:41,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:47:41,791 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:47:41,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:47:41,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:47:41,813 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:47:41,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:41" (1/1) ... [2021-11-19 14:47:41,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5abc92f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:41, skipping insertion in model container [2021-11-19 14:47:41,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:41" (1/1) ... [2021-11-19 14:47:41,827 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:47:42,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:47:48,454 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i[473889,473902] [2021-11-19 14:47:48,458 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i[474034,474047] [2021-11-19 14:47:48,476 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:47:48,581 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:47:48,695 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:47:49,216 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i[473889,473902] [2021-11-19 14:47:49,217 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i[474034,474047] [2021-11-19 14:47:49,226 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:47:49,295 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:47:50,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i[473889,473902] [2021-11-19 14:47:50,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i[474034,474047] [2021-11-19 14:47:50,104 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:47:50,689 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:47:50,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:50 WrapperNode [2021-11-19 14:47:50,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:47:50,692 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:47:50,692 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:47:50,692 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:47:50,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:50" (1/1) ... [2021-11-19 14:47:50,873 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:50" (1/1) ... [2021-11-19 14:47:51,215 INFO L137 Inliner]: procedures = 723, calls = 3039, calls flagged for inlining = 320, calls inlined = 256, statements flattened = 6214 [2021-11-19 14:47:51,216 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:47:51,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:47:51,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:47:51,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:47:51,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:50" (1/1) ... [2021-11-19 14:47:51,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:50" (1/1) ... [2021-11-19 14:47:51,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:50" (1/1) ... [2021-11-19 14:47:51,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:50" (1/1) ... [2021-11-19 14:47:51,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:50" (1/1) ... [2021-11-19 14:47:51,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:50" (1/1) ... [2021-11-19 14:47:51,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:50" (1/1) ... [2021-11-19 14:47:51,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:47:51,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:47:51,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:47:51,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:47:51,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:50" (1/1) ... [2021-11-19 14:47:51,814 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:47:51,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:47:51,844 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:47:51,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:47:51,918 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-19 14:47:51,919 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-19 14:47:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_u32 [2021-11-19 14:47:51,919 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_u32 [2021-11-19 14:47:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_total_size [2021-11-19 14:47:51,919 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_total_size [2021-11-19 14:47:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_count_get [2021-11-19 14:47:51,920 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_count_get [2021-11-19 14:47:51,920 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_port_list_get [2021-11-19 14:47:51,920 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_port_list_get [2021-11-19 14:47:51,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 14:47:51,920 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 14:47:51,920 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_option_get [2021-11-19 14:47:51,920 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_option_get [2021-11-19 14:47:51,921 INFO L130 BoogieDeclarations]: Found specification of procedure __team_change_mode [2021-11-19 14:47:51,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_change_mode [2021-11-19 14:47:51,921 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u32 [2021-11-19 14:47:51,921 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u32 [2021-11-19 14:47:51,921 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-19 14:47:51,921 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-19 14:47:51,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 14:47:51,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 14:47:51,922 INFO L130 BoogieDeclarations]: Found specification of procedure team_init [2021-11-19 14:47:51,922 INFO L138 BoogieDeclarations]: Found implementation of procedure team_init [2021-11-19 14:47:51,922 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_interval_set [2021-11-19 14:47:51,922 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_interval_set [2021-11-19 14:47:51,923 INFO L130 BoogieDeclarations]: Found specification of procedure team_del_slave [2021-11-19 14:47:51,923 INFO L138 BoogieDeclarations]: Found implementation of procedure team_del_slave [2021-11-19 14:47:51,923 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_port_list_get [2021-11-19 14:47:51,923 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_port_list_get [2021-11-19 14:47:51,923 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_set [2021-11-19 14:47:51,923 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_set [2021-11-19 14:47:51,923 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-19 14:47:51,924 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-19 14:47:51,924 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-19 14:47:51,924 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-19 14:47:51,924 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2021-11-19 14:47:51,924 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2021-11-19 14:47:51,924 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_enabled_check [2021-11-19 14:47:51,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_enabled_check [2021-11-19 14:47:51,925 INFO L130 BoogieDeclarations]: Found specification of procedure team_priority_option_get [2021-11-19 14:47:51,925 INFO L138 BoogieDeclarations]: Found implementation of procedure team_priority_option_get [2021-11-19 14:47:51,925 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_override_fini [2021-11-19 14:47:51,925 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_override_fini [2021-11-19 14:47:51,925 INFO L130 BoogieDeclarations]: Found specification of procedure team_netpoll_cleanup [2021-11-19 14:47:51,926 INFO L138 BoogieDeclarations]: Found implementation of procedure team_netpoll_cleanup [2021-11-19 14:47:51,926 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_mtu [2021-11-19 14:47:51,926 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_mtu [2021-11-19 14:47:51,926 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-19 14:47:51,926 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-19 14:47:51,926 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-19 14:47:51,927 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-19 14:47:51,927 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_get_rtnl [2021-11-19 14:47:51,927 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_get_rtnl [2021-11-19 14:47:51,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 14:47:51,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 14:47:51,927 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_mac_address [2021-11-19 14:47:51,927 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_mac_address [2021-11-19 14:47:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_add [2021-11-19 14:47:51,928 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_add [2021-11-19 14:47:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_unicast [2021-11-19 14:47:51,928 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_unicast [2021-11-19 14:47:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_count_set [2021-11-19 14:47:51,929 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_count_set [2021-11-19 14:47:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_end [2021-11-19 14:47:51,929 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_end [2021-11-19 14:47:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure team_poll_controller [2021-11-19 14:47:51,929 INFO L138 BoogieDeclarations]: Found implementation of procedure team_poll_controller [2021-11-19 14:47:51,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:47:51,930 INFO L130 BoogieDeclarations]: Found specification of procedure team_add_slave [2021-11-19 14:47:51,930 INFO L138 BoogieDeclarations]: Found implementation of procedure team_add_slave [2021-11-19 14:47:51,930 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_option [2021-11-19 14:47:51,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_option [2021-11-19 14:47:51,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 14:47:51,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:47:51,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 14:47:51,931 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_unregister [2021-11-19 14:47:51,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_unregister [2021-11-19 14:47:51,931 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_put [2021-11-19 14:47:51,931 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_put [2021-11-19 14:47:51,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 14:47:51,932 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-19 14:47:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-19 14:47:51,932 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_trylock [2021-11-19 14:47:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_trylock [2021-11-19 14:47:51,932 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-19 14:47:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-19 14:47:51,932 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_id_option_set [2021-11-19 14:47:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_id_option_set [2021-11-19 14:47:51,933 INFO L130 BoogieDeclarations]: Found specification of procedure team_refresh_port_linkup [2021-11-19 14:47:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure team_refresh_port_linkup [2021-11-19 14:47:51,933 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_new [2021-11-19 14:47:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_new [2021-11-19 14:47:51,933 INFO L130 BoogieDeclarations]: Found specification of procedure team_user_linkup_option_set [2021-11-19 14:47:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure team_user_linkup_option_set [2021-11-19 14:47:51,934 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers [2021-11-19 14:47:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers [2021-11-19 14:47:51,934 INFO L130 BoogieDeclarations]: Found specification of procedure __team_port_change_send [2021-11-19 14:47:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_port_change_send [2021-11-19 14:47:51,934 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_end [2021-11-19 14:47:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_end [2021-11-19 14:47:51,935 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_del_rcu [2021-11-19 14:47:51,935 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_del_rcu [2021-11-19 14:47:51,935 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_interval_get [2021-11-19 14:47:51,935 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_interval_get [2021-11-19 14:47:51,935 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_upper_dev_unlink [2021-11-19 14:47:51,935 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_upper_dev_unlink [2021-11-19 14:47:51,935 INFO L130 BoogieDeclarations]: Found specification of procedure __team_netpoll_cleanup [2021-11-19 14:47:51,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_netpoll_cleanup [2021-11-19 14:47:51,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 14:47:51,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 14:47:51,936 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u8 [2021-11-19 14:47:51,936 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u8 [2021-11-19 14:47:51,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-19 14:47:51,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-19 14:47:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 14:47:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 14:47:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_option_set [2021-11-19 14:47:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_option_set [2021-11-19 14:47:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure __find_mode [2021-11-19 14:47:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_mode [2021-11-19 14:47:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_mode [2021-11-19 14:47:51,938 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_mode [2021-11-19 14:47:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-19 14:47:51,938 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-19 14:47:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-19 14:47:51,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-19 14:47:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure team_ethtool_get_drvinfo [2021-11-19 14:47:51,939 INFO L138 BoogieDeclarations]: Found implementation of procedure team_ethtool_get_drvinfo [2021-11-19 14:47:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-19 14:47:51,939 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-19 14:47:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-19 14:47:51,939 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-19 14:47:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_put [2021-11-19 14:47:51,939 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_put [2021-11-19 14:47:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_rx_mode [2021-11-19 14:47:51,940 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_rx_mode [2021-11-19 14:47:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure team_setup [2021-11-19 14:47:51,940 INFO L138 BoogieDeclarations]: Found implementation of procedure team_setup [2021-11-19 14:47:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_index_hash [2021-11-19 14:47:51,940 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_index_hash [2021-11-19 14:47:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure genl_info_net [2021-11-19 14:47:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure genl_info_net [2021-11-19 14:47:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-19 14:47:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-19 14:47:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-11-19 14:47:51,941 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-11-19 14:47:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:47:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-19 14:47:51,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-19 14:47:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 14:47:51,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 14:47:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-19 14:47:51,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-19 14:47:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:47:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_fini [2021-11-19 14:47:51,943 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_fini [2021-11-19 14:47:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-19 14:47:51,943 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-19 14:47:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 14:47:51,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 14:47:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_port [2021-11-19 14:47:51,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_port [2021-11-19 14:47:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:47:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-19 14:47:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 14:47:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 14:47:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:47:51,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:47:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure team_user_linkup_en_option_get [2021-11-19 14:47:51,945 INFO L138 BoogieDeclarations]: Found implementation of procedure team_user_linkup_en_option_get [2021-11-19 14:47:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 14:47:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure read_pnet [2021-11-19 14:47:51,947 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pnet [2021-11-19 14:47:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_en_option_set [2021-11-19 14:47:51,947 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_en_option_set [2021-11-19 14:47:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~C_INT [2021-11-19 14:47:51,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~C_INT [2021-11-19 14:47:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-19 14:47:51,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-19 14:47:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-19 14:47:51,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-19 14:47:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable [2021-11-19 14:47:51,948 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable [2021-11-19 14:47:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_set [2021-11-19 14:47:51,949 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_set [2021-11-19 14:47:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure team_adjust_ops [2021-11-19 14:47:51,950 INFO L138 BoogieDeclarations]: Found implementation of procedure team_adjust_ops [2021-11-19 14:47:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_rx_handler_unregister [2021-11-19 14:47:51,950 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_rx_handler_unregister [2021-11-19 14:47:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-19 14:47:51,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-19 14:47:51,950 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 14:47:51,951 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 14:47:51,951 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_id_option_get [2021-11-19 14:47:51,951 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_id_option_get [2021-11-19 14:47:51,951 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_del [2021-11-19 14:47:51,951 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_del [2021-11-19 14:47:51,951 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-11-19 14:47:51,951 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-11-19 14:47:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_vids_del_by_dev [2021-11-19 14:47:51,952 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_vids_del_by_dev [2021-11-19 14:47:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 14:47:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin [2021-11-19 14:47:51,952 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin [2021-11-19 14:47:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_interval_get [2021-11-19 14:47:51,952 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_interval_get [2021-11-19 14:47:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-11-19 14:47:51,953 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-11-19 14:47:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:47:51,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:47:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_noop [2021-11-19 14:47:51,953 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_noop [2021-11-19 14:47:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_fini [2021-11-19 14:47:51,953 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_fini [2021-11-19 14:47:51,954 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_orig_dev_addr [2021-11-19 14:47:51,954 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_orig_dev_addr [2021-11-19 14:47:51,954 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_port_get [2021-11-19 14:47:51,954 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_port_get [2021-11-19 14:47:51,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdevice_notifier [2021-11-19 14:47:51,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdevice_notifier [2021-11-19 14:47:51,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 14:47:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_register [2021-11-19 14:47:51,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_register [2021-11-19 14:47:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 14:47:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 14:47:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_change_check [2021-11-19 14:47:51,955 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_change_check [2021-11-19 14:47:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 14:47:51,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 14:47:51,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 14:47:51,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 14:47:51,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 14:47:51,956 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-19 14:47:51,956 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-19 14:47:51,956 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_register [2021-11-19 14:47:51,957 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_register [2021-11-19 14:47:51,958 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-19 14:47:51,961 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-19 14:47:51,961 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_trim [2021-11-19 14:47:51,961 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_trim [2021-11-19 14:47:51,961 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_put [2021-11-19 14:47:51,961 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_put [2021-11-19 14:47:51,962 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_option [2021-11-19 14:47:51,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_option [2021-11-19 14:47:51,963 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-19 14:47:51,964 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_rcu [2021-11-19 14:47:51,970 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_rcu [2021-11-19 14:47:51,970 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_cancel [2021-11-19 14:47:51,971 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_cancel [2021-11-19 14:47:51,971 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-19 14:47:51,971 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-19 14:47:51,971 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_notifier [2021-11-19 14:47:51,971 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_notifier [2021-11-19 14:47:51,971 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_team_dev_addr [2021-11-19 14:47:51,973 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_team_dev_addr [2021-11-19 14:47:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-19 14:47:51,973 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-19 14:47:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_add_head_rcu [2021-11-19 14:47:51,974 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_add_head_rcu [2021-11-19 14:47:51,974 INFO L130 BoogieDeclarations]: Found specification of procedure __team_carrier_check [2021-11-19 14:47:51,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_carrier_check [2021-11-19 14:47:51,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 14:47:51,974 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 14:47:51,974 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_start [2021-11-19 14:47:51,974 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_start [2021-11-19 14:47:51,975 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_get [2021-11-19 14:47:51,975 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_get [2021-11-19 14:47:51,975 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_en_option_get [2021-11-19 14:47:51,975 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_en_option_get [2021-11-19 14:47:51,975 INFO L130 BoogieDeclarations]: Found specification of procedure nla_len [2021-11-19 14:47:51,975 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_len [2021-11-19 14:47:51,975 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net [2021-11-19 14:47:51,975 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net [2021-11-19 14:47:51,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:47:51,976 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-19 14:47:51,976 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-19 14:47:51,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_team_module_exit_24_2 [2021-11-19 14:47:51,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_team_module_exit_24_2 [2021-11-19 14:47:51,976 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable_netpoll [2021-11-19 14:47:51,976 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable_netpoll [2021-11-19 14:47:51,976 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_del [2021-11-19 14:47:51,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_del [2021-11-19 14:47:51,977 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-19 14:47:51,977 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-19 14:47:51,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:47:51,977 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-11-19 14:47:51,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-11-19 14:47:51,977 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail_rcu [2021-11-19 14:47:51,978 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail_rcu [2021-11-19 14:47:51,978 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_get [2021-11-19 14:47:51,978 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_get [2021-11-19 14:47:51,978 INFO L130 BoogieDeclarations]: Found specification of procedure team_user_linkup_en_option_set [2021-11-19 14:47:51,978 INFO L138 BoogieDeclarations]: Found implementation of procedure team_user_linkup_en_option_set [2021-11-19 14:47:51,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 14:47:51,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 14:47:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 14:47:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 14:47:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 14:47:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enabled [2021-11-19 14:47:51,979 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enabled [2021-11-19 14:47:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure __team_find_option [2021-11-19 14:47:51,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_find_option [2021-11-19 14:47:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2021-11-19 14:47:51,980 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2021-11-19 14:47:51,980 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-19 14:47:51,980 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-19 14:47:51,980 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-19 14:47:51,980 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-19 14:47:51,980 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 14:47:51,980 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 14:47:51,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 14:47:51,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 14:47:51,981 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-19 14:47:51,981 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-19 14:47:51,981 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_option_get [2021-11-19 14:47:51,981 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_option_get [2021-11-19 14:47:51,981 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_interval_set [2021-11-19 14:47:51,981 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_interval_set [2021-11-19 14:47:51,982 INFO L130 BoogieDeclarations]: Found specification of procedure team_is_mode_set [2021-11-19 14:47:51,982 INFO L138 BoogieDeclarations]: Found implementation of procedure team_is_mode_set [2021-11-19 14:47:51,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-19 14:47:51,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-19 14:47:51,982 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_change_check [2021-11-19 14:47:51,982 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_change_check [2021-11-19 14:47:51,982 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-19 14:47:51,982 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-19 14:47:51,983 INFO L130 BoogieDeclarations]: Found specification of procedure call_netdevice_notifiers [2021-11-19 14:47:51,983 INFO L138 BoogieDeclarations]: Found implementation of procedure call_netdevice_notifiers [2021-11-19 14:47:51,983 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2021-11-19 14:47:51,983 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2021-11-19 14:47:51,983 INFO L130 BoogieDeclarations]: Found specification of procedure __team_compute_features [2021-11-19 14:47:51,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_compute_features [2021-11-19 14:47:51,983 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_leave [2021-11-19 14:47:51,983 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_leave [2021-11-19 14:47:51,984 INFO L130 BoogieDeclarations]: Found specification of procedure __send_and_alloc_skb [2021-11-19 14:47:51,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __send_and_alloc_skb [2021-11-19 14:47:51,984 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_count_set [2021-11-19 14:47:51,984 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_count_set [2021-11-19 14:47:51,984 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_put [2021-11-19 14:47:51,984 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_put [2021-11-19 14:47:51,984 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:47:51,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:47:51,985 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-19 14:47:51,985 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-19 14:47:51,985 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-11-19 14:47:51,985 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-11-19 14:47:51,985 INFO L130 BoogieDeclarations]: Found specification of procedure __team_get_qom_list [2021-11-19 14:47:51,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_get_qom_list [2021-11-19 14:47:51,985 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 14:47:51,986 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 14:47:51,986 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_cancel [2021-11-19 14:47:51,986 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_cancel [2021-11-19 14:47:51,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 14:47:51,986 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_get [2021-11-19 14:47:51,986 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_get [2021-11-19 14:47:51,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 14:47:51,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 14:47:51,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 14:47:51,987 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del [2021-11-19 14:47:51,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del [2021-11-19 14:47:51,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 14:47:51,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 14:47:51,987 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_options_get [2021-11-19 14:47:51,989 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_options_get [2021-11-19 14:47:51,993 INFO L130 BoogieDeclarations]: Found specification of procedure team_priority_option_set [2021-11-19 14:47:51,993 INFO L138 BoogieDeclarations]: Found implementation of procedure team_priority_option_set [2021-11-19 14:47:51,993 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_increment_features [2021-11-19 14:47:51,994 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_increment_features [2021-11-19 14:47:51,994 INFO L130 BoogieDeclarations]: Found specification of procedure team_open [2021-11-19 14:47:51,994 INFO L138 BoogieDeclarations]: Found implementation of procedure team_open [2021-11-19 14:47:51,995 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2021-11-19 14:47:51,995 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2021-11-19 14:47:51,995 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_port [2021-11-19 14:47:51,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_port [2021-11-19 14:47:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_add [2021-11-19 14:47:51,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_add [2021-11-19 14:47:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_90 [2021-11-19 14:47:51,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_90 [2021-11-19 14:47:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_change_check [2021-11-19 14:47:51,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_change_check [2021-11-19 14:47:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure __set_port_dev_addr [2021-11-19 14:47:51,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_port_dev_addr [2021-11-19 14:47:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-11-19 14:47:51,998 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-11-19 14:47:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_91 [2021-11-19 14:47:51,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_91 [2021-11-19 14:47:51,999 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-19 14:47:51,999 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-19 14:47:51,999 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2021-11-19 14:47:51,999 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2021-11-19 14:47:51,999 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_count_get [2021-11-19 14:47:51,999 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_count_get [2021-11-19 14:47:51,999 INFO L130 BoogieDeclarations]: Found specification of procedure team_validate [2021-11-19 14:47:51,999 INFO L138 BoogieDeclarations]: Found implementation of procedure team_validate [2021-11-19 14:47:52,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 14:47:52,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 14:47:52,000 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_free [2021-11-19 14:47:52,000 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_free [2021-11-19 14:47:52,000 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-19 14:47:52,000 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-19 14:47:52,000 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable [2021-11-19 14:47:52,001 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable [2021-11-19 14:47:52,001 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-19 14:47:52,001 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-19 14:47:52,001 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_no_mode [2021-11-19 14:47:52,001 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_no_mode [2021-11-19 14:47:52,001 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_flag [2021-11-19 14:47:52,001 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_flag [2021-11-19 14:47:52,001 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable_netpoll [2021-11-19 14:47:52,002 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable_netpoll [2021-11-19 14:47:52,002 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enter [2021-11-19 14:47:52,002 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enter [2021-11-19 14:47:52,002 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-11-19 14:47:52,002 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-11-19 14:47:52,002 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-19 14:47:52,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_rx_handler_unregister [2021-11-19 14:47:52,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_rx_handler_unregister [2021-11-19 14:47:52,003 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_string [2021-11-19 14:47:52,003 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_string [2021-11-19 14:47:52,003 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-19 14:47:52,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-19 14:47:52,003 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_event_options_get [2021-11-19 14:47:52,003 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_event_options_get [2021-11-19 14:47:52,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 14:47:52,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 14:47:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure team_close [2021-11-19 14:47:52,004 INFO L138 BoogieDeclarations]: Found implementation of procedure team_close [2021-11-19 14:47:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure team_uninit [2021-11-19 14:47:52,004 INFO L138 BoogieDeclarations]: Found implementation of procedure team_uninit [2021-11-19 14:47:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add [2021-11-19 14:47:52,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add [2021-11-19 14:47:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure team_user_linkup_option_get [2021-11-19 14:47:52,004 INFO L138 BoogieDeclarations]: Found implementation of procedure team_user_linkup_option_get [2021-11-19 14:47:53,408 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:47:53,419 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:47:54,112 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 14:48:29,703 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 14:48:29,912 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:48:29,943 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:48:29,943 INFO L301 CfgBuilder]: Removed 12 assume(true) statements. [2021-11-19 14:48:29,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:29 BoogieIcfgContainer [2021-11-19 14:48:29,957 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:48:29,959 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:48:29,961 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:48:29,964 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:48:29,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:47:41" (1/3) ... [2021-11-19 14:48:29,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6058f61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:48:29, skipping insertion in model container [2021-11-19 14:48:29,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:50" (2/3) ... [2021-11-19 14:48:29,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6058f61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:48:29, skipping insertion in model container [2021-11-19 14:48:29,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:29" (3/3) ... [2021-11-19 14:48:29,968 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i [2021-11-19 14:48:29,975 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:48:29,975 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 14:48:30,094 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:48:30,111 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 14:48:30,111 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 14:48:30,206 INFO L276 IsEmpty]: Start isEmpty. Operand has 2897 states, 2042 states have (on average 1.3139079333986288) internal successors, (2683), 2080 states have internal predecessors, (2683), 655 states have call successors, (655), 200 states have call predecessors, (655), 199 states have return successors, (649), 642 states have call predecessors, (649), 649 states have call successors, (649) [2021-11-19 14:48:30,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2021-11-19 14:48:30,254 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:48:30,255 INFO L514 BasicCegarLoop]: trace histogram [43, 43, 42, 42, 42, 42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:48:30,256 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:48:30,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:48:30,263 INFO L85 PathProgramCache]: Analyzing trace with hash 330804129, now seen corresponding path program 1 times [2021-11-19 14:48:30,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:48:30,285 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1464281286] [2021-11-19 14:48:30,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:48:30,287 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:48:30,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:48:30,291 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:48:30,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:48:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:48:33,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 2720 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:48:33,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:48:35,096 INFO L134 CoverageAnalysis]: Checked inductivity of 7875 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 7749 trivial. 0 not checked. [2021-11-19 14:48:35,097 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:48:36,816 INFO L134 CoverageAnalysis]: Checked inductivity of 7875 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7875 trivial. 0 not checked. [2021-11-19 14:48:36,817 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:48:36,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1464281286] [2021-11-19 14:48:36,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1464281286] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:48:36,818 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:48:36,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:48:36,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321772384] [2021-11-19 14:48:36,826 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:48:36,839 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:48:36,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:48:36,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:48:36,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:48:36,907 INFO L87 Difference]: Start difference. First operand has 2897 states, 2042 states have (on average 1.3139079333986288) internal successors, (2683), 2080 states have internal predecessors, (2683), 655 states have call successors, (655), 200 states have call predecessors, (655), 199 states have return successors, (649), 642 states have call predecessors, (649), 649 states have call successors, (649) Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 4 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2021-11-19 14:48:39,298 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:48:52,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:48:52,795 INFO L93 Difference]: Finished difference Result 11079 states and 15443 transitions. [2021-11-19 14:48:52,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:48:52,799 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 4 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 500 [2021-11-19 14:48:52,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:48:52,943 INFO L225 Difference]: With dead ends: 11079 [2021-11-19 14:48:52,943 INFO L226 Difference]: Without dead ends: 8132 [2021-11-19 14:48:52,986 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 998 GetRequests, 996 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:48:52,999 INFO L933 BasicCegarLoop]: 5139 mSDtfsCounter, 9969 mSDsluCounter, 6224 mSDsCounter, 0 mSdLazyCounter, 1328 mSolverCounterSat, 1227 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9969 SdHoareTripleChecker+Valid, 11363 SdHoareTripleChecker+Invalid, 2556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1227 IncrementalHoareTripleChecker+Valid, 1328 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2021-11-19 14:48:53,000 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9969 Valid, 11363 Invalid, 2556 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1227 Valid, 1328 Invalid, 1 Unknown, 0 Unchecked, 14.8s Time] [2021-11-19 14:48:53,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8132 states. [2021-11-19 14:48:53,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8132 to 8124. [2021-11-19 14:48:53,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8124 states, 5753 states have (on average 1.2956718233964888) internal successors, (7454), 5868 states have internal predecessors, (7454), 1779 states have call successors, (1779), 591 states have call predecessors, (1779), 591 states have return successors, (1779), 1754 states have call predecessors, (1779), 1779 states have call successors, (1779) [2021-11-19 14:48:54,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8124 states to 8124 states and 11012 transitions. [2021-11-19 14:48:54,019 INFO L78 Accepts]: Start accepts. Automaton has 8124 states and 11012 transitions. Word has length 500 [2021-11-19 14:48:54,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:48:54,028 INFO L470 AbstractCegarLoop]: Abstraction has 8124 states and 11012 transitions. [2021-11-19 14:48:54,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 4 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2021-11-19 14:48:54,029 INFO L276 IsEmpty]: Start isEmpty. Operand 8124 states and 11012 transitions. [2021-11-19 14:48:54,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2021-11-19 14:48:54,064 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:48:54,065 INFO L514 BasicCegarLoop]: trace histogram [43, 43, 42, 42, 42, 42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:48:54,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:48:54,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:48:54,291 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:48:54,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:48:54,292 INFO L85 PathProgramCache]: Analyzing trace with hash 3287077, now seen corresponding path program 1 times [2021-11-19 14:48:54,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:48:54,298 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [446743506] [2021-11-19 14:48:54,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:48:54,299 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:48:54,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:48:54,300 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:48:54,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:48:57,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:48:57,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 2883 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:48:57,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:48:59,045 INFO L134 CoverageAnalysis]: Checked inductivity of 7875 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 7749 trivial. 0 not checked. [2021-11-19 14:48:59,045 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:49:00,400 INFO L134 CoverageAnalysis]: Checked inductivity of 7875 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7875 trivial. 0 not checked. [2021-11-19 14:49:00,401 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:49:00,401 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [446743506] [2021-11-19 14:49:00,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [446743506] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:49:00,401 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:49:00,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:49:00,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308615605] [2021-11-19 14:49:00,402 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:49:00,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:49:00,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:49:00,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:49:00,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:49:00,407 INFO L87 Difference]: Start difference. First operand 8124 states and 11012 transitions. Second operand has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 4 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (55), 4 states have call predecessors, (55), 4 states have call successors, (55) [2021-11-19 14:49:02,635 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:49:15,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:49:15,206 INFO L93 Difference]: Finished difference Result 32147 states and 43537 transitions. [2021-11-19 14:49:15,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:49:15,208 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 4 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (55), 4 states have call predecessors, (55), 4 states have call successors, (55) Word has length 527 [2021-11-19 14:49:15,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:49:15,454 INFO L225 Difference]: With dead ends: 32147 [2021-11-19 14:49:15,454 INFO L226 Difference]: Without dead ends: 24112 [2021-11-19 14:49:15,505 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1052 GetRequests, 1050 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:49:15,507 INFO L933 BasicCegarLoop]: 5051 mSDtfsCounter, 9742 mSDsluCounter, 6127 mSDsCounter, 0 mSdLazyCounter, 1270 mSolverCounterSat, 1154 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9742 SdHoareTripleChecker+Valid, 11178 SdHoareTripleChecker+Invalid, 2425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1154 IncrementalHoareTripleChecker+Valid, 1270 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2021-11-19 14:49:15,507 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9742 Valid, 11178 Invalid, 2425 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1154 Valid, 1270 Invalid, 1 Unknown, 0 Unchecked, 13.5s Time] [2021-11-19 14:49:15,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24112 states. [2021-11-19 14:49:17,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24112 to 24100. [2021-11-19 14:49:17,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24100 states, 17091 states have (on average 1.2964718272775144) internal successors, (22158), 17440 states have internal predecessors, (22158), 5235 states have call successors, (5235), 1773 states have call predecessors, (5235), 1773 states have return successors, (5235), 5156 states have call predecessors, (5235), 5235 states have call successors, (5235) [2021-11-19 14:49:17,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24100 states to 24100 states and 32628 transitions. [2021-11-19 14:49:17,228 INFO L78 Accepts]: Start accepts. Automaton has 24100 states and 32628 transitions. Word has length 527 [2021-11-19 14:49:17,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:49:17,235 INFO L470 AbstractCegarLoop]: Abstraction has 24100 states and 32628 transitions. [2021-11-19 14:49:17,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 4 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (55), 4 states have call predecessors, (55), 4 states have call successors, (55) [2021-11-19 14:49:17,236 INFO L276 IsEmpty]: Start isEmpty. Operand 24100 states and 32628 transitions. [2021-11-19 14:49:17,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 530 [2021-11-19 14:49:17,266 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:49:17,267 INFO L514 BasicCegarLoop]: trace histogram [43, 43, 42, 42, 42, 42, 42, 42, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:49:17,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 14:49:17,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:49:17,490 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:49:17,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:49:17,491 INFO L85 PathProgramCache]: Analyzing trace with hash 744748136, now seen corresponding path program 1 times [2021-11-19 14:49:17,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:49:17,495 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [612966024] [2021-11-19 14:49:17,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:49:17,495 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:49:17,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:49:17,497 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:49:17,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:49:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:49:21,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:49:21,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:49:22,232 INFO L134 CoverageAnalysis]: Checked inductivity of 7878 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 7752 trivial. 0 not checked. [2021-11-19 14:49:22,233 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:49:23,632 INFO L134 CoverageAnalysis]: Checked inductivity of 7878 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7878 trivial. 0 not checked. [2021-11-19 14:49:23,633 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:49:23,633 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [612966024] [2021-11-19 14:49:23,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [612966024] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:49:23,633 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:49:23,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:49:23,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340495419] [2021-11-19 14:49:23,634 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:49:23,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:49:23,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:49:23,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:49:23,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:49:23,637 INFO L87 Difference]: Start difference. First operand 24100 states and 32628 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (59), 3 states have call predecessors, (59), 3 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2021-11-19 14:49:25,865 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:49:27,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:49:27,868 INFO L93 Difference]: Finished difference Result 71114 states and 96971 transitions. [2021-11-19 14:49:27,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:49:27,869 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (59), 3 states have call predecessors, (59), 3 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) Word has length 529 [2021-11-19 14:49:27,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:49:28,389 INFO L225 Difference]: With dead ends: 71114 [2021-11-19 14:49:28,389 INFO L226 Difference]: Without dead ends: 47103 [2021-11-19 14:49:28,519 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1056 GetRequests, 1055 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:49:28,523 INFO L933 BasicCegarLoop]: 4428 mSDtfsCounter, 3546 mSDsluCounter, 3760 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3546 SdHoareTripleChecker+Valid, 8188 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:49:28,525 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3546 Valid, 8188 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 34 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-11-19 14:49:28,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47103 states. [2021-11-19 14:49:31,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47103 to 47065. [2021-11-19 14:49:31,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47065 states, 33225 states have (on average 1.2944469525959368) internal successors, (43008), 33941 states have internal predecessors, (43008), 10311 states have call successors, (10311), 3537 states have call predecessors, (10311), 3528 states have return successors, (11073), 10126 states have call predecessors, (11073), 10311 states have call successors, (11073) [2021-11-19 14:49:32,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47065 states to 47065 states and 64392 transitions. [2021-11-19 14:49:32,540 INFO L78 Accepts]: Start accepts. Automaton has 47065 states and 64392 transitions. Word has length 529 [2021-11-19 14:49:32,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:49:32,542 INFO L470 AbstractCegarLoop]: Abstraction has 47065 states and 64392 transitions. [2021-11-19 14:49:32,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (59), 3 states have call predecessors, (59), 3 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2021-11-19 14:49:32,543 INFO L276 IsEmpty]: Start isEmpty. Operand 47065 states and 64392 transitions. [2021-11-19 14:49:32,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 535 [2021-11-19 14:49:32,570 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:49:32,571 INFO L514 BasicCegarLoop]: trace histogram [43, 43, 42, 42, 42, 42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:49:32,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:49:32,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:49:32,786 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:49:32,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:49:32,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1267263235, now seen corresponding path program 1 times [2021-11-19 14:49:32,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:49:32,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1404642809] [2021-11-19 14:49:32,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:49:32,791 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:49:32,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:49:32,794 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:49:32,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 14:49:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:49:36,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 2865 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:49:36,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:49:37,633 INFO L134 CoverageAnalysis]: Checked inductivity of 7875 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 7749 trivial. 0 not checked. [2021-11-19 14:49:37,634 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:49:39,238 INFO L134 CoverageAnalysis]: Checked inductivity of 7875 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7875 trivial. 0 not checked. [2021-11-19 14:49:39,238 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:49:39,238 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1404642809] [2021-11-19 14:49:39,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1404642809] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:49:39,238 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:49:39,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:49:39,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815787396] [2021-11-19 14:49:39,239 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:49:39,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:49:39,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:49:39,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:49:39,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:49:39,241 INFO L87 Difference]: Start difference. First operand 47065 states and 64392 transitions. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 4 states have call successors, (62), 3 states have call predecessors, (62), 3 states have return successors, (57), 4 states have call predecessors, (57), 4 states have call successors, (57) [2021-11-19 14:49:41,479 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:49:52,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:49:52,409 INFO L93 Difference]: Finished difference Result 187581 states and 256547 transitions. [2021-11-19 14:49:52,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:49:52,410 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 4 states have call successors, (62), 3 states have call predecessors, (62), 3 states have return successors, (57), 4 states have call predecessors, (57), 4 states have call successors, (57) Word has length 534 [2021-11-19 14:49:52,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:49:53,735 INFO L225 Difference]: With dead ends: 187581 [2021-11-19 14:49:53,736 INFO L226 Difference]: Without dead ends: 140605 [2021-11-19 14:49:53,958 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1066 GetRequests, 1064 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:49:53,961 INFO L933 BasicCegarLoop]: 5167 mSDtfsCounter, 7363 mSDsluCounter, 6833 mSDsCounter, 0 mSdLazyCounter, 1273 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7363 SdHoareTripleChecker+Valid, 12000 SdHoareTripleChecker+Invalid, 1293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1273 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:49:53,962 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7363 Valid, 12000 Invalid, 1293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1273 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time] [2021-11-19 14:49:54,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140605 states. [2021-11-19 14:50:00,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140605 to 140569. [2021-11-19 14:50:00,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140569 states, 99243 states have (on average 1.2935521900788973) internal successors, (128376), 101399 states have internal predecessors, (128376), 30741 states have call successors, (30741), 10611 states have call predecessors, (30741), 10584 states have return successors, (33027), 30178 states have call predecessors, (33027), 30741 states have call successors, (33027) [2021-11-19 14:50:02,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140569 states to 140569 states and 192144 transitions. [2021-11-19 14:50:02,039 INFO L78 Accepts]: Start accepts. Automaton has 140569 states and 192144 transitions. Word has length 534 [2021-11-19 14:50:02,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:50:02,042 INFO L470 AbstractCegarLoop]: Abstraction has 140569 states and 192144 transitions. [2021-11-19 14:50:02,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 4 states have call successors, (62), 3 states have call predecessors, (62), 3 states have return successors, (57), 4 states have call predecessors, (57), 4 states have call successors, (57) [2021-11-19 14:50:02,043 INFO L276 IsEmpty]: Start isEmpty. Operand 140569 states and 192144 transitions. [2021-11-19 14:50:02,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2021-11-19 14:50:02,086 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:50:02,087 INFO L514 BasicCegarLoop]: trace histogram [43, 43, 42, 42, 42, 42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:50:02,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 14:50:02,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:50:02,310 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:50:02,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:50:02,311 INFO L85 PathProgramCache]: Analyzing trace with hash -223657708, now seen corresponding path program 1 times [2021-11-19 14:50:02,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:50:02,313 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1932599051] [2021-11-19 14:50:02,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:50:02,313 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:50:02,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:50:02,315 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:50:02,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_644d6a11-6337-4efa-a7da-bdd6dff8bf85/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 14:50:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:50:05,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 2975 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:50:05,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:50:06,877 INFO L134 CoverageAnalysis]: Checked inductivity of 7875 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 7749 trivial. 0 not checked. [2021-11-19 14:50:06,877 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:50:08,107 INFO L134 CoverageAnalysis]: Checked inductivity of 7875 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7875 trivial. 0 not checked. [2021-11-19 14:50:08,107 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:50:08,107 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1932599051] [2021-11-19 14:50:08,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1932599051] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:50:08,108 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:50:08,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:50:08,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959712890] [2021-11-19 14:50:08,108 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:50:08,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:50:08,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:50:08,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:50:08,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:50:08,111 INFO L87 Difference]: Start difference. First operand 140569 states and 192144 transitions. Second operand has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 4 states have call successors, (65), 3 states have call predecessors, (65), 3 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) [2021-11-19 14:50:10,317 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:50:30,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:50:30,817 INFO L93 Difference]: Finished difference Result 560797 states and 766215 transitions. [2021-11-19 14:50:30,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:50:30,818 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 4 states have call successors, (65), 3 states have call predecessors, (65), 3 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) Word has length 547 [2021-11-19 14:50:30,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:50:33,843 INFO L225 Difference]: With dead ends: 560797 [2021-11-19 14:50:33,843 INFO L226 Difference]: Without dead ends: 420317 [2021-11-19 14:50:34,559 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1092 GetRequests, 1090 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:50:34,560 INFO L933 BasicCegarLoop]: 6409 mSDtfsCounter, 7236 mSDsluCounter, 7100 mSDsCounter, 0 mSdLazyCounter, 1189 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7236 SdHoareTripleChecker+Valid, 13509 SdHoareTripleChecker+Invalid, 1208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1189 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:50:34,561 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7236 Valid, 13509 Invalid, 1208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1189 Invalid, 1 Unknown, 0 Unchecked, 8.3s Time]