./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--hw--mlx5--mlx5_ib.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da416b0a-cf4a-432e-8710-94a43421e69b/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da416b0a-cf4a-432e-8710-94a43421e69b/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da416b0a-cf4a-432e-8710-94a43421e69b/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da416b0a-cf4a-432e-8710-94a43421e69b/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--hw--mlx5--mlx5_ib.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da416b0a-cf4a-432e-8710-94a43421e69b/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da416b0a-cf4a-432e-8710-94a43421e69b/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c0c22eb5b059f7c19a3322775ff3abb0da323533a2347e9a5442dc9f56135c1c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:52:20,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:52:20,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:52:20,391 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:52:20,392 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:52:20,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:52:20,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:52:20,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:52:20,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:52:20,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:52:20,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:52:20,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:52:20,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:52:20,425 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:52:20,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:52:20,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:52:20,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:52:20,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:52:20,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:52:20,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:52:20,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:52:20,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:52:20,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:52:20,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:52:20,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:52:20,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:52:20,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:52:20,471 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:52:20,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:52:20,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:52:20,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:52:20,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:52:20,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:52:20,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:52:20,483 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:52:20,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:52:20,484 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:52:20,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:52:20,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:52:20,486 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:52:20,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:52:20,488 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da416b0a-cf4a-432e-8710-94a43421e69b/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 03:52:20,522 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:52:20,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:52:20,522 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:52:20,522 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:52:20,523 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:52:20,523 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:52:20,524 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:52:20,524 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:52:20,524 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:52:20,524 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:52:20,525 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:52:20,525 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:52:20,525 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:52:20,525 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:52:20,526 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:52:20,526 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:52:20,526 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:52:20,526 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:52:20,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:52:20,528 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:52:20,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:52:20,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:52:20,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:52:20,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:52:20,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:52:20,529 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:52:20,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:52:20,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:52:20,530 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:52:20,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:52:20,530 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:52:20,530 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:52:20,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:52:20,531 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:52:20,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:52:20,531 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:52:20,531 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:52:20,532 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:52:20,532 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_da416b0a-cf4a-432e-8710-94a43421e69b/bin/utaipan-EQgc7hIp5V/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da416b0a-cf4a-432e-8710-94a43421e69b/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0c22eb5b059f7c19a3322775ff3abb0da323533a2347e9a5442dc9f56135c1c [2021-11-23 03:52:20,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:52:20,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:52:20,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:52:20,858 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:52:20,859 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:52:20,861 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da416b0a-cf4a-432e-8710-94a43421e69b/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--hw--mlx5--mlx5_ib.ko-entry_point.cil.out.i [2021-11-23 03:52:20,959 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da416b0a-cf4a-432e-8710-94a43421e69b/bin/utaipan-EQgc7hIp5V/data/a1442177b/4abda94017424a48b1a1f75deafe0fcf/FLAG2addbee46 [2021-11-23 03:52:22,374 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:52:22,375 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da416b0a-cf4a-432e-8710-94a43421e69b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--hw--mlx5--mlx5_ib.ko-entry_point.cil.out.i [2021-11-23 03:52:22,507 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da416b0a-cf4a-432e-8710-94a43421e69b/bin/utaipan-EQgc7hIp5V/data/a1442177b/4abda94017424a48b1a1f75deafe0fcf/FLAG2addbee46 [2021-11-23 03:52:22,847 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da416b0a-cf4a-432e-8710-94a43421e69b/bin/utaipan-EQgc7hIp5V/data/a1442177b/4abda94017424a48b1a1f75deafe0fcf [2021-11-23 03:52:22,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:52:22,851 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:52:22,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:52:22,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:52:22,859 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:52:22,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:22" (1/1) ... [2021-11-23 03:52:22,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@378aa60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:22, skipping insertion in model container [2021-11-23 03:52:22,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:22" (1/1) ... [2021-11-23 03:52:22,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:52:23,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:52:34,169 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_da416b0a-cf4a-432e-8710-94a43421e69b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--hw--mlx5--mlx5_ib.ko-entry_point.cil.out.i[669746,669759] [2021-11-23 03:52:35,262 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-23 03:52:35,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:52:35,348 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:52:36,581 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_da416b0a-cf4a-432e-8710-94a43421e69b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--hw--mlx5--mlx5_ib.ko-entry_point.cil.out.i[669746,669759] [2021-11-23 03:52:36,613 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-23 03:52:36,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:52:37,119 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:52:37,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:37 WrapperNode [2021-11-23 03:52:37,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:52:37,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:52:37,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:52:37,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:52:37,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:37" (1/1) ... [2021-11-23 03:52:37,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:37" (1/1) ... [2021-11-23 03:52:38,103 INFO L137 Inliner]: procedures = 885, calls = 9541, calls flagged for inlining = 340, calls inlined = 243, statements flattened = 17496 [2021-11-23 03:52:38,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:52:38,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:52:38,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:52:38,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:52:38,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:37" (1/1) ... [2021-11-23 03:52:38,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:37" (1/1) ... [2021-11-23 03:52:38,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:37" (1/1) ... [2021-11-23 03:52:38,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:37" (1/1) ... [2021-11-23 03:52:38,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:37" (1/1) ... [2021-11-23 03:52:39,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:37" (1/1) ... [2021-11-23 03:52:39,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:37" (1/1) ... [2021-11-23 03:52:39,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:52:39,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:52:39,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:52:39,403 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:52:39,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:37" (1/1) ... [2021-11-23 03:52:39,423 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:52:39,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da416b0a-cf4a-432e-8710-94a43421e69b/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:52:39,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da416b0a-cf4a-432e-8710-94a43421e69b/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:52:39,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da416b0a-cf4a-432e-8710-94a43421e69b/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:52:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure ib_umem_end [2021-11-23 03:52:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_umem_end [2021-11-23 03:52:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_ib_cq_clean [2021-11-23 03:52:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_ib_cq_clean [2021-11-23 03:52:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure next_uuar [2021-11-23 03:52:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure next_uuar [2021-11-23 03:52:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure fw_rev_sub [2021-11-23 03:52:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_rev_sub [2021-11-23 03:52:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_umem_mutex_of_ib_umem_odp [2021-11-23 03:52:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_umem_mutex_of_ib_umem_odp [2021-11-23 03:52:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_cq [2021-11-23 03:52:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_cq [2021-11-23 03:52:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure begin_wqe [2021-11-23 03:52:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure begin_wqe [2021-11-23 03:52:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_db_alloc [2021-11-23 03:52:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_db_alloc [2021-11-23 03:52:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure size_write [2021-11-23 03:52:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure size_write [2021-11-23 03:52:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_mlx5_ib_qp [2021-11-23 03:52:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_mlx5_ib_qp [2021-11-23 03:52:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-23 03:52:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-23 03:52:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 03:52:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 03:52:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_use_mad_ifc [2021-11-23 03:52:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_use_mad_ifc [2021-11-23 03:52:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure fw_rev_min [2021-11-23 03:52:39,530 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_rev_min [2021-11-23 03:52:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_ib_query_port [2021-11-23 03:52:39,531 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_ib_query_port [2021-11-23 03:52:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure first_med_uuar [2021-11-23 03:52:39,531 INFO L138 BoogieDeclarations]: Found implementation of procedure first_med_uuar [2021-11-23 03:52:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure get_sw_cqe [2021-11-23 03:52:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure get_sw_cqe [2021-11-23 03:52:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_ib_populate_pas [2021-11-23 03:52:39,533 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_ib_populate_pas [2021-11-23 03:52:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 03:52:39,534 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 03:52:39,534 INFO L130 BoogieDeclarations]: Found specification of procedure __mlx5_mr_lookup [2021-11-23 03:52:39,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __mlx5_mr_lookup [2021-11-23 03:52:39,535 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_ib_destroy_cq [2021-11-23 03:52:39,535 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_ib_destroy_cq [2021-11-23 03:52:39,535 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-11-23 03:52:39,535 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-11-23 03:52:39,535 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 03:52:39,536 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 03:52:39,536 INFO L130 BoogieDeclarations]: Found specification of procedure to_mfrpl [2021-11-23 03:52:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure to_mfrpl [2021-11-23 03:52:39,538 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_core_create_mkey [2021-11-23 03:52:39,538 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_core_create_mkey [2021-11-23 03:52:39,538 INFO L130 BoogieDeclarations]: Found specification of procedure ib_unregister_device [2021-11-23 03:52:39,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_unregister_device [2021-11-23 03:52:39,539 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 03:52:39,539 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 03:52:39,539 INFO L130 BoogieDeclarations]: Found specification of procedure to_mucontext [2021-11-23 03:52:39,540 INFO L138 BoogieDeclarations]: Found implementation of procedure to_mucontext [2021-11-23 03:52:39,540 INFO L130 BoogieDeclarations]: Found specification of procedure order2idx [2021-11-23 03:52:39,540 INFO L138 BoogieDeclarations]: Found implementation of procedure order2idx [2021-11-23 03:52:39,541 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-23 03:52:39,541 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-23 03:52:39,541 INFO L130 BoogieDeclarations]: Found specification of procedure cqe_sz_to_mlx_sz [2021-11-23 03:52:39,541 INFO L138 BoogieDeclarations]: Found implementation of procedure cqe_sz_to_mlx_sz [2021-11-23 03:52:39,542 INFO L130 BoogieDeclarations]: Found specification of procedure show_board [2021-11-23 03:52:39,542 INFO L138 BoogieDeclarations]: Found implementation of procedure show_board [2021-11-23 03:52:39,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_mlx5_uuar_info [2021-11-23 03:52:39,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_mlx5_uuar_info [2021-11-23 03:52:39,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:52:39,543 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_ib_destroy_srq [2021-11-23 03:52:39,543 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_ib_destroy_srq [2021-11-23 03:52:39,543 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_ib_modify_qp [2021-11-23 03:52:39,543 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_ib_modify_qp [2021-11-23 03:52:39,543 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 03:52:39,544 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 03:52:39,544 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2021-11-23 03:52:39,544 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2021-11-23 03:52:39,544 INFO L130 BoogieDeclarations]: Found specification of procedure fw_rev_maj [2021-11-23 03:52:39,544 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_rev_maj [2021-11-23 03:52:39,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 03:52:39,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 03:52:39,545 INFO L130 BoogieDeclarations]: Found specification of procedure sq_overhead [2021-11-23 03:52:39,546 INFO L138 BoogieDeclarations]: Found implementation of procedure sq_overhead [2021-11-23 03:52:39,546 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_qp_kernel [2021-11-23 03:52:39,546 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_qp_kernel [2021-11-23 03:52:39,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:52:39,547 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-23 03:52:39,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-23 03:52:39,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:52:39,548 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-11-23 03:52:39,549 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-11-23 03:52:39,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:52:39,550 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 03:52:39,550 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_core_destroy_mkey [2021-11-23 03:52:39,550 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_core_destroy_mkey [2021-11-23 03:52:39,551 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_ib_free_srq_wqe [2021-11-23 03:52:39,551 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_ib_free_srq_wqe [2021-11-23 03:52:39,551 INFO L130 BoogieDeclarations]: Found specification of procedure get_fence [2021-11-23 03:52:39,551 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fence [2021-11-23 03:52:39,551 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-23 03:52:39,552 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-23 03:52:39,552 INFO L130 BoogieDeclarations]: Found specification of procedure to_mah [2021-11-23 03:52:39,552 INFO L138 BoogieDeclarations]: Found implementation of procedure to_mah [2021-11-23 03:52:39,552 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-23 03:52:39,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-23 03:52:39,553 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 03:52:39,553 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 03:52:39,553 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_ib_get_cqe_size [2021-11-23 03:52:39,554 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_ib_get_cqe_size [2021-11-23 03:52:39,554 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_u32 [2021-11-23 03:52:39,554 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_u32 [2021-11-23 03:52:39,555 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 03:52:39,558 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 03:52:39,558 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_write64 [2021-11-23 03:52:39,559 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_write64 [2021-11-23 03:52:39,559 INFO L130 BoogieDeclarations]: Found specification of procedure to_mcq [2021-11-23 03:52:39,561 INFO L138 BoogieDeclarations]: Found implementation of procedure to_mcq [2021-11-23 03:52:39,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:52:39,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:52:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure ib_umem_get [2021-11-23 03:52:39,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_umem_get [2021-11-23 03:52:39,568 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 03:52:39,569 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 03:52:39,569 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_query_mad_ifc_smp_attr_node_info [2021-11-23 03:52:39,569 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_query_mad_ifc_smp_attr_node_info [2021-11-23 03:52:39,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 03:52:39,570 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_to_udata [2021-11-23 03:52:39,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_to_udata [2021-11-23 03:52:39,570 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 03:52:39,570 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 03:52:39,570 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_db_free [2021-11-23 03:52:39,570 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_db_free [2021-11-23 03:52:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure to_mxrcd [2021-11-23 03:52:39,571 INFO L138 BoogieDeclarations]: Found implementation of procedure to_mxrcd [2021-11-23 03:52:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-23 03:52:39,571 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-23 03:52:39,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_mlx5_uuar_info [2021-11-23 03:52:39,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_mlx5_uuar_info [2021-11-23 03:52:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_core_dealloc_pd [2021-11-23 03:52:39,572 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_core_dealloc_pd [2021-11-23 03:52:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_ib_alloc_xrcd [2021-11-23 03:52:39,572 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_ib_alloc_xrcd [2021-11-23 03:52:39,572 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_vzalloc [2021-11-23 03:52:39,572 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_vzalloc [2021-11-23 03:52:39,573 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2021-11-23 03:52:39,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2021-11-23 03:52:39,573 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 03:52:39,573 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 03:52:39,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 03:52:39,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 03:52:39,574 INFO L130 BoogieDeclarations]: Found specification of procedure ib_umem_copy_from [2021-11-23 03:52:39,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_umem_copy_from [2021-11-23 03:52:39,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 03:52:39,574 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 03:52:39,574 INFO L130 BoogieDeclarations]: Found specification of procedure get_umr_flags [2021-11-23 03:52:39,574 INFO L138 BoogieDeclarations]: Found implementation of procedure get_umr_flags [2021-11-23 03:52:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-23 03:52:39,575 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-23 03:52:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-23 03:52:39,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-23 03:52:39,575 INFO L130 BoogieDeclarations]: Found specification of procedure to_msrq [2021-11-23 03:52:39,575 INFO L138 BoogieDeclarations]: Found implementation of procedure to_msrq [2021-11-23 03:52:39,576 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-23 03:52:39,577 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-23 03:52:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:52:39,577 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 03:52:39,577 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 03:52:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_ib_create_srq [2021-11-23 03:52:39,578 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_ib_create_srq [2021-11-23 03:52:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_buf_alloc [2021-11-23 03:52:39,578 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_buf_alloc [2021-11-23 03:52:39,578 INFO L130 BoogieDeclarations]: Found specification of procedure set_frwr_li_wr [2021-11-23 03:52:39,578 INFO L138 BoogieDeclarations]: Found implementation of procedure set_frwr_li_wr [2021-11-23 03:52:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:52:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2021-11-23 03:52:39,579 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2021-11-23 03:52:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_set_path [2021-11-23 03:52:39,579 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_set_path [2021-11-23 03:52:39,579 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_MAD_IFC [2021-11-23 03:52:39,580 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_MAD_IFC [2021-11-23 03:52:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-23 03:52:39,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-23 03:52:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 03:52:39,580 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 03:52:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-23 03:52:39,581 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-23 03:52:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-11-23 03:52:39,581 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-11-23 03:52:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-23 03:52:39,581 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-23 03:52:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_ib_cont_pages [2021-11-23 03:52:39,582 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_ib_cont_pages [2021-11-23 03:52:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-23 03:52:39,582 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-23 03:52:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_db_page_mutex_of_mlx5_ib_ucontext [2021-11-23 03:52:39,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_db_page_mutex_of_mlx5_ib_ucontext [2021-11-23 03:52:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2021-11-23 03:52:39,583 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2021-11-23 03:52:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-23 03:52:39,583 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-23 03:52:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure kvfree [2021-11-23 03:52:39,583 INFO L138 BoogieDeclarations]: Found implementation of procedure kvfree [2021-11-23 03:52:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure get_cqe_from_buf [2021-11-23 03:52:39,584 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cqe_from_buf [2021-11-23 03:52:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure show_fw_pages [2021-11-23 03:52:39,584 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fw_pages [2021-11-23 03:52:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure to_mmr [2021-11-23 03:52:39,584 INFO L138 BoogieDeclarations]: Found implementation of procedure to_mmr [2021-11-23 03:52:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2021-11-23 03:52:39,585 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2021-11-23 03:52:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure ib_req_notify_cq [2021-11-23 03:52:39,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_req_notify_cq [2021-11-23 03:52:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure show_reg_pages [2021-11-23 03:52:39,585 INFO L138 BoogieDeclarations]: Found implementation of procedure show_reg_pages [2021-11-23 03:52:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:52:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-23 03:52:39,586 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-23 03:52:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 03:52:39,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 03:52:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure to_mpd [2021-11-23 03:52:39,586 INFO L138 BoogieDeclarations]: Found implementation of procedure to_mpd [2021-11-23 03:52:39,587 INFO L130 BoogieDeclarations]: Found specification of procedure set_raddr_seg [2021-11-23 03:52:39,587 INFO L138 BoogieDeclarations]: Found implementation of procedure set_raddr_seg [2021-11-23 03:52:39,587 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_ib_dealloc_pd [2021-11-23 03:52:39,587 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_ib_dealloc_pd [2021-11-23 03:52:39,587 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_srq_kernel [2021-11-23 03:52:39,587 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_srq_kernel [2021-11-23 03:52:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure to_mlx5_st [2021-11-23 03:52:39,588 INFO L138 BoogieDeclarations]: Found implementation of procedure to_mlx5_st [2021-11-23 03:52:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure to_mqp [2021-11-23 03:52:39,588 INFO L138 BoogieDeclarations]: Found implementation of procedure to_mqp [2021-11-23 03:52:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wqe [2021-11-23 03:52:39,588 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wqe [2021-11-23 03:52:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2021-11-23 03:52:39,589 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2021-11-23 03:52:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_base_mkey [2021-11-23 03:52:39,589 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_base_mkey [2021-11-23 03:52:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_mtu_to_ib_mtu [2021-11-23 03:52:39,591 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_mtu_to_ib_mtu [2021-11-23 03:52:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_umem_mutex_of_ib_umem_odp [2021-11-23 03:52:39,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_umem_mutex_of_ib_umem_odp [2021-11-23 03:52:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_from_udata [2021-11-23 03:52:39,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_from_udata [2021-11-23 03:52:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure get_wqe [2021-11-23 03:52:39,595 INFO L138 BoogieDeclarations]: Found implementation of procedure get_wqe [2021-11-23 03:52:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-11-23 03:52:39,595 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-11-23 03:52:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-23 03:52:39,596 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-23 03:52:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_ib_remove [2021-11-23 03:52:39,599 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_ib_remove [2021-11-23 03:52:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure convert_access [2021-11-23 03:52:39,599 INFO L138 BoogieDeclarations]: Found implementation of procedure convert_access [2021-11-23 03:52:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_dev_resources [2021-11-23 03:52:39,599 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_dev_resources [2021-11-23 03:52:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 03:52:39,600 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 03:52:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mlx5_ib_update_mtt_emergency_buffer_mutex [2021-11-23 03:52:39,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mlx5_ib_update_mtt_emergency_buffer_mutex [2021-11-23 03:52:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_device [2021-11-23 03:52:39,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_device [2021-11-23 03:52:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_ib_dealloc_xrcd [2021-11-23 03:52:39,600 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_ib_dealloc_xrcd [2021-11-23 03:52:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 03:52:39,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 03:52:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2021-11-23 03:52:39,601 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2021-11-23 03:52:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure ib_umem_start [2021-11-23 03:52:39,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_umem_start [2021-11-23 03:52:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure first_hi_uuar [2021-11-23 03:52:39,602 INFO L138 BoogieDeclarations]: Found implementation of procedure first_hi_uuar [2021-11-23 03:52:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_fill_inl_bsf [2021-11-23 03:52:39,602 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_fill_inl_bsf [2021-11-23 03:52:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2021-11-23 03:52:39,602 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2021-11-23 03:52:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 03:52:39,603 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 03:52:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_uuar [2021-11-23 03:52:39,603 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_uuar [2021-11-23 03:52:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure add_keys [2021-11-23 03:52:39,603 INFO L138 BoogieDeclarations]: Found implementation of procedure add_keys [2021-11-23 03:52:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure set_data_ptr_seg [2021-11-23 03:52:39,604 INFO L138 BoogieDeclarations]: Found implementation of procedure set_data_ptr_seg [2021-11-23 03:52:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure down [2021-11-23 03:52:39,604 INFO L138 BoogieDeclarations]: Found implementation of procedure down [2021-11-23 03:52:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure is_sqp [2021-11-23 03:52:39,604 INFO L138 BoogieDeclarations]: Found implementation of procedure is_sqp [2021-11-23 03:52:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure show_fw_ver [2021-11-23 03:52:39,604 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fw_ver [2021-11-23 03:52:39,605 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32be [2021-11-23 03:52:39,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32be [2021-11-23 03:52:39,605 INFO L130 BoogieDeclarations]: Found specification of procedure radix_tree_lookup [2021-11-23 03:52:39,605 INFO L138 BoogieDeclarations]: Found implementation of procedure radix_tree_lookup [2021-11-23 03:52:39,605 INFO L130 BoogieDeclarations]: Found specification of procedure ib_umem_release [2021-11-23 03:52:39,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_umem_release [2021-11-23 03:52:39,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 03:52:39,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 03:52:39,606 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_ib_odp_remove_one [2021-11-23 03:52:39,606 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_ib_odp_remove_one [2021-11-23 03:52:39,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:52:39,606 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_cq_user [2021-11-23 03:52:39,606 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_cq_user [2021-11-23 03:52:39,607 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_ib_qp_pfault_action [2021-11-23 03:52:39,607 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_ib_qp_pfault_action [2021-11-23 03:52:39,607 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-11-23 03:52:39,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-11-23 03:52:39,607 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-23 03:52:39,607 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-23 03:52:39,608 INFO L130 BoogieDeclarations]: Found specification of procedure get_wqe___0 [2021-11-23 03:52:39,608 INFO L138 BoogieDeclarations]: Found implementation of procedure get_wqe___0 [2021-11-23 03:52:39,608 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_ib_query_device [2021-11-23 03:52:39,608 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_ib_query_device [2021-11-23 03:52:39,608 INFO L130 BoogieDeclarations]: Found specification of procedure to_mdev [2021-11-23 03:52:39,608 INFO L138 BoogieDeclarations]: Found implementation of procedure to_mdev [2021-11-23 03:52:39,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mlx5_ib_update_mtt_emergency_buffer_mutex [2021-11-23 03:52:39,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mlx5_ib_update_mtt_emergency_buffer_mutex [2021-11-23 03:52:39,609 INFO L130 BoogieDeclarations]: Found specification of procedure is_qp0 [2021-11-23 03:52:39,609 INFO L138 BoogieDeclarations]: Found implementation of procedure is_qp0 [2021-11-23 03:52:39,609 INFO L130 BoogieDeclarations]: Found specification of procedure is_qp1 [2021-11-23 03:52:39,609 INFO L138 BoogieDeclarations]: Found implementation of procedure is_qp1 [2021-11-23 03:52:39,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 03:52:39,610 INFO L130 BoogieDeclarations]: Found specification of procedure bs_selector [2021-11-23 03:52:39,610 INFO L138 BoogieDeclarations]: Found implementation of procedure bs_selector [2021-11-23 03:52:39,610 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 03:52:39,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 03:52:39,610 INFO L130 BoogieDeclarations]: Found specification of procedure init_cq_buf [2021-11-23 03:52:39,610 INFO L138 BoogieDeclarations]: Found implementation of procedure init_cq_buf [2021-11-23 03:52:39,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 03:52:39,611 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-23 03:52:39,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-23 03:52:39,611 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_to_sw_pkey_sz [2021-11-23 03:52:39,611 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_to_sw_pkey_sz [2021-11-23 03:52:39,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 03:52:39,612 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 03:52:39,612 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_ib_qp_disable_pagefaults [2021-11-23 03:52:39,612 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_ib_qp_disable_pagefaults [2021-11-23 03:52:39,612 INFO L130 BoogieDeclarations]: Found specification of procedure show_hca [2021-11-23 03:52:39,612 INFO L138 BoogieDeclarations]: Found implementation of procedure show_hca [2021-11-23 03:52:39,612 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_ib_update_mtt [2021-11-23 03:52:39,613 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_ib_update_mtt [2021-11-23 03:52:39,613 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_ib_init_umr_context [2021-11-23 03:52:39,613 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_ib_init_umr_context [2021-11-23 03:52:39,613 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-23 03:52:39,613 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-23 03:52:39,614 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_core_access_reg [2021-11-23 03:52:39,614 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_core_access_reg [2021-11-23 03:52:39,614 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_ib_get_pagefault_context [2021-11-23 03:52:39,614 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_ib_get_pagefault_context [2021-11-23 03:52:39,614 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_buf_free [2021-11-23 03:52:39,614 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_buf_free [2021-11-23 03:52:39,615 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-23 03:52:39,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-23 03:52:39,615 INFO L130 BoogieDeclarations]: Found specification of procedure __roundup_pow_of_two [2021-11-23 03:52:39,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __roundup_pow_of_two [2021-11-23 03:52:39,615 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_srcu [2021-11-23 03:52:39,615 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_srcu [2021-11-23 03:52:39,616 INFO L130 BoogieDeclarations]: Found specification of procedure __mlx5_ib_cq_clean [2021-11-23 03:52:39,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __mlx5_ib_cq_clean [2021-11-23 03:52:39,616 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-23 03:52:39,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-23 03:52:39,616 INFO L130 BoogieDeclarations]: Found specification of procedure limit_write [2021-11-23 03:52:39,616 INFO L138 BoogieDeclarations]: Found implementation of procedure limit_write [2021-11-23 03:52:39,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 03:52:39,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 03:52:39,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 03:52:39,617 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_send [2021-11-23 03:52:39,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_send [2021-11-23 03:52:39,618 INFO L130 BoogieDeclarations]: Found specification of procedure fls64 [2021-11-23 03:52:39,618 INFO L138 BoogieDeclarations]: Found implementation of procedure fls64 [2021-11-23 03:52:39,618 INFO L130 BoogieDeclarations]: Found specification of procedure get_klm_octo [2021-11-23 03:52:39,618 INFO L138 BoogieDeclarations]: Found implementation of procedure get_klm_octo [2021-11-23 03:52:39,618 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_mkey [2021-11-23 03:52:39,618 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_mkey [2021-11-23 03:52:39,619 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_fill_page_array [2021-11-23 03:52:39,619 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_fill_page_array [2021-11-23 03:52:39,619 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 03:52:39,620 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 03:52:39,620 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_cq_kernel [2021-11-23 03:52:39,621 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_cq_kernel [2021-11-23 03:52:39,621 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_ib_destroy_qp [2021-11-23 03:52:39,621 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_ib_destroy_qp [2021-11-23 03:52:39,621 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-23 03:52:39,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-23 03:52:39,622 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_cq_set_ci [2021-11-23 03:52:39,622 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_cq_set_ci [2021-11-23 03:52:39,622 INFO L130 BoogieDeclarations]: Found specification of procedure up [2021-11-23 03:52:39,622 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2021-11-23 03:52:39,622 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u64 [2021-11-23 03:52:39,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u64 [2021-11-23 03:52:39,623 INFO L130 BoogieDeclarations]: Found specification of procedure remove_keys [2021-11-23 03:52:39,623 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_keys [2021-11-23 03:52:39,623 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_buf_offset [2021-11-23 03:52:39,623 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_buf_offset [2021-11-23 03:52:39,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 03:52:39,623 INFO L130 BoogieDeclarations]: Found specification of procedure get_cqe [2021-11-23 03:52:39,624 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cqe [2021-11-23 03:52:39,624 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_core_qp_modify [2021-11-23 03:52:39,624 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_core_qp_modify [2021-11-23 03:52:39,624 INFO L130 BoogieDeclarations]: Found specification of procedure get_cqs [2021-11-23 03:52:39,624 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cqs [2021-11-23 03:52:39,624 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-23 03:52:39,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-23 03:52:39,625 INFO L130 BoogieDeclarations]: Found specification of procedure calc_sig [2021-11-23 03:52:39,625 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_sig [2021-11-23 03:52:39,625 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-11-23 03:52:39,625 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-11-23 03:52:39,626 INFO L130 BoogieDeclarations]: Found specification of procedure free_uuar [2021-11-23 03:52:39,626 INFO L138 BoogieDeclarations]: Found implementation of procedure free_uuar [2021-11-23 03:52:39,626 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-11-23 03:52:39,805 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-11-23 03:52:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure get_pd [2021-11-23 03:52:39,806 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pd [2021-11-23 03:52:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_ib_page_fault_resume [2021-11-23 03:52:39,806 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_ib_page_fault_resume [2021-11-23 03:52:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_qp_user [2021-11-23 03:52:39,806 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_qp_user [2021-11-23 03:52:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_core_destroy_cq [2021-11-23 03:52:39,806 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_core_destroy_cq [2021-11-23 03:52:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_db_page_mutex_of_mlx5_ib_ucontext [2021-11-23 03:52:39,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_db_page_mutex_of_mlx5_ib_ucontext [2021-11-23 03:52:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2021-11-23 03:52:39,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2021-11-23 03:52:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_cq_buf [2021-11-23 03:52:39,807 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_cq_buf [2021-11-23 03:52:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_get_send_wqe [2021-11-23 03:52:39,807 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_get_send_wqe [2021-11-23 03:52:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_mlx5_ib_qp [2021-11-23 03:52:39,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_mlx5_ib_qp [2021-11-23 03:52:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_ib_db_unmap_user [2021-11-23 03:52:39,807 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_ib_db_unmap_user [2021-11-23 03:52:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure to_mlx5_state [2021-11-23 03:52:39,807 INFO L138 BoogieDeclarations]: Found implementation of procedure to_mlx5_state [2021-11-23 03:52:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dereg_mr [2021-11-23 03:52:39,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dereg_mr [2021-11-23 03:52:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure free_cq_buf [2021-11-23 03:52:39,808 INFO L138 BoogieDeclarations]: Found implementation of procedure free_cq_buf [2021-11-23 03:52:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 03:52:39,808 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 03:52:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-11-23 03:52:39,808 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-11-23 03:52:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure set_psv_wr [2021-11-23 03:52:39,808 INFO L138 BoogieDeclarations]: Found implementation of procedure set_psv_wr [2021-11-23 03:52:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2021-11-23 03:52:39,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2021-11-23 03:52:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-23 03:52:39,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-23 03:52:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-23 03:52:39,809 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-23 03:52:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_get_vport_access_method [2021-11-23 03:52:39,809 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_get_vport_access_method [2021-11-23 03:52:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-23 03:52:39,809 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-23 03:52:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_core_destroy_srq [2021-11-23 03:52:39,809 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_core_destroy_srq [2021-11-23 03:52:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-11-23 03:52:39,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-11-23 03:52:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_ib_db_map_user [2021-11-23 03:52:39,809 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_ib_db_map_user [2021-11-23 03:52:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-23 03:52:39,810 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-23 03:52:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_ib_odp_cleanup [2021-11-23 03:52:39,810 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_ib_odp_cleanup [2021-11-23 03:52:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure show_rev [2021-11-23 03:52:39,810 INFO L138 BoogieDeclarations]: Found implementation of procedure show_rev [2021-11-23 03:52:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure init_query_mad [2021-11-23 03:52:39,810 INFO L138 BoogieDeclarations]: Found implementation of procedure init_query_mad [2021-11-23 03:52:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_wq_overflow [2021-11-23 03:52:39,810 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_wq_overflow [2021-11-23 03:52:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_umrc_res [2021-11-23 03:52:39,810 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_umrc_res [2021-11-23 03:52:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_ib_get_buf_offset [2021-11-23 03:52:39,811 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_ib_get_buf_offset [2021-11-23 03:52:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-23 03:52:39,811 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-23 03:52:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 03:52:39,811 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 03:52:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2021-11-23 03:52:39,811 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2021-11-23 03:52:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure mlx5_ib_event [2021-11-23 03:52:39,811 INFO L138 BoogieDeclarations]: Found implementation of procedure mlx5_ib_event [2021-11-23 03:52:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_nested [2021-11-23 03:52:39,811 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_nested [2021-11-23 03:52:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure pagefault_single_data_segment [2021-11-23 03:52:39,812 INFO L138 BoogieDeclarations]: Found implementation of procedure pagefault_single_data_segment [2021-11-23 03:52:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:52:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_pd [2021-11-23 03:52:39,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_pd [2021-11-23 03:52:42,298 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:52:42,304 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:52:42,584 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 04:04:42,708 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 04:04:48,980 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 04:04:48,980 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 04:04:48,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:04:48 BoogieIcfgContainer [2021-11-23 04:04:48,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 04:04:48,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 04:04:48,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 04:04:49,001 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 04:04:49,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:52:22" (1/3) ... [2021-11-23 04:04:49,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c7e1602 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:04:49, skipping insertion in model container [2021-11-23 04:04:49,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:37" (2/3) ... [2021-11-23 04:04:49,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c7e1602 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:04:49, skipping insertion in model container [2021-11-23 04:04:49,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:04:48" (3/3) ... [2021-11-23 04:04:49,004 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--hw--mlx5--mlx5_ib.ko-entry_point.cil.out.i [2021-11-23 04:04:49,011 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 04:04:49,012 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 04:04:49,238 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 04:04:49,245 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 [2021-11-23 04:04:49,245 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 04:04:49,356 INFO L276 IsEmpty]: Start isEmpty. Operand has 4034 states, 2447 states have (on average 1.2954638332652226) internal successors, (3170), 2529 states have internal predecessors, (3170), 1352 states have call successors, (1352), 234 states have call predecessors, (1352), 233 states have return successors, (1341), 1329 states have call predecessors, (1341), 1341 states have call successors, (1341) [2021-11-23 04:04:49,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-11-23 04:04:49,376 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:04:49,378 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 2, 2, 2, 2, 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] [2021-11-23 04:04:49,378 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 04:04:49,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:04:49,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1112790050, now seen corresponding path program 1 times [2021-11-23 04:04:49,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:04:49,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386145916] [2021-11-23 04:04:49,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:04:49,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:04:50,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:04:51,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1907 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1907 trivial. 0 not checked. [2021-11-23 04:04:51,459 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:04:51,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386145916] [2021-11-23 04:04:51,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386145916] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:04:51,461 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:04:51,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:04:51,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606333212] [2021-11-23 04:04:51,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:04:51,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 04:04:51,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:04:51,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 04:04:51,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 04:04:51,525 INFO L87 Difference]: Start difference. First operand has 4034 states, 2447 states have (on average 1.2954638332652226) internal successors, (3170), 2529 states have internal predecessors, (3170), 1352 states have call successors, (1352), 234 states have call predecessors, (1352), 233 states have return successors, (1341), 1329 states have call predecessors, (1341), 1341 states have call successors, (1341) Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-23 04:04:53,729 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:04:56,335 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:05:03,151 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:05:05,897 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:05:07,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:05:07,618 INFO L93 Difference]: Finished difference Result 9312 states and 13474 transitions. [2021-11-23 04:05:07,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 04:05:07,621 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 283 [2021-11-23 04:05:07,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:05:07,696 INFO L225 Difference]: With dead ends: 9312 [2021-11-23 04:05:07,696 INFO L226 Difference]: Without dead ends: 5301 [2021-11-23 04:05:07,729 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 04:05:07,739 INFO L933 BasicCegarLoop]: 6589 mSDtfsCounter, 5433 mSDsluCounter, 2055 mSDsCounter, 0 mSdLazyCounter, 804 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5441 SdHoareTripleChecker+Valid, 8425 SdHoareTripleChecker+Invalid, 808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 804 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2021-11-23 04:05:07,741 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5441 Valid, 8425 Invalid, 808 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 804 Invalid, 4 Unknown, 0 Unchecked, 15.5s Time] [2021-11-23 04:05:07,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5301 states. [2021-11-23 04:05:08,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5301 to 5288. [2021-11-23 04:05:08,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5288 states, 3193 states have (on average 1.2737237707485123) internal successors, (4067), 3271 states have internal predecessors, (4067), 1730 states have call successors, (1730), 365 states have call predecessors, (1730), 364 states have return successors, (1712), 1697 states have call predecessors, (1712), 1710 states have call successors, (1712) [2021-11-23 04:05:08,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5288 states to 5288 states and 7509 transitions. [2021-11-23 04:05:08,308 INFO L78 Accepts]: Start accepts. Automaton has 5288 states and 7509 transitions. Word has length 283 [2021-11-23 04:05:08,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:05:08,313 INFO L470 AbstractCegarLoop]: Abstraction has 5288 states and 7509 transitions. [2021-11-23 04:05:08,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-23 04:05:08,315 INFO L276 IsEmpty]: Start isEmpty. Operand 5288 states and 7509 transitions. [2021-11-23 04:05:08,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-11-23 04:05:08,332 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:05:08,332 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 2, 2, 2, 2, 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] [2021-11-23 04:05:08,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 04:05:08,333 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 04:05:08,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:05:08,337 INFO L85 PathProgramCache]: Analyzing trace with hash -139036422, now seen corresponding path program 1 times [2021-11-23 04:05:08,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:05:08,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092781325] [2021-11-23 04:05:08,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:05:08,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:05:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:05:09,318 INFO L134 CoverageAnalysis]: Checked inductivity of 1907 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1907 trivial. 0 not checked. [2021-11-23 04:05:09,320 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:05:09,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092781325] [2021-11-23 04:05:09,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092781325] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:05:09,320 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:05:09,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:05:09,321 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105051191] [2021-11-23 04:05:09,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:05:09,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 04:05:09,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:05:09,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 04:05:09,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 04:05:09,323 INFO L87 Difference]: Start difference. First operand 5288 states and 7509 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-23 04:05:11,485 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:05:13,955 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:05:17,859 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:05:21,305 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:05:25,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:05:25,453 INFO L93 Difference]: Finished difference Result 9073 states and 12952 transitions. [2021-11-23 04:05:25,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 04:05:25,454 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 284 [2021-11-23 04:05:25,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:05:25,539 INFO L225 Difference]: With dead ends: 9073 [2021-11-23 04:05:25,539 INFO L226 Difference]: Without dead ends: 9069 [2021-11-23 04:05:25,547 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 04:05:25,553 INFO L933 BasicCegarLoop]: 7459 mSDtfsCounter, 5527 mSDsluCounter, 5583 mSDsCounter, 0 mSdLazyCounter, 1056 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5531 SdHoareTripleChecker+Valid, 12581 SdHoareTripleChecker+Invalid, 1063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1056 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2021-11-23 04:05:25,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5531 Valid, 12581 Invalid, 1063 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 1056 Invalid, 3 Unknown, 0 Unchecked, 15.7s Time] [2021-11-23 04:05:25,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9069 states. [2021-11-23 04:05:26,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9069 to 9056. [2021-11-23 04:05:26,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9056 states, 5489 states have (on average 1.2791036618691929) internal successors, (7021), 5615 states have internal predecessors, (7021), 2955 states have call successors, (2955), 619 states have call predecessors, (2955), 611 states have return successors, (2957), 2900 states have call predecessors, (2957), 2935 states have call successors, (2957) [2021-11-23 04:05:26,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9056 states to 9056 states and 12933 transitions. [2021-11-23 04:05:26,211 INFO L78 Accepts]: Start accepts. Automaton has 9056 states and 12933 transitions. Word has length 284 [2021-11-23 04:05:26,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:05:26,216 INFO L470 AbstractCegarLoop]: Abstraction has 9056 states and 12933 transitions. [2021-11-23 04:05:26,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-23 04:05:26,217 INFO L276 IsEmpty]: Start isEmpty. Operand 9056 states and 12933 transitions. [2021-11-23 04:05:26,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-11-23 04:05:26,224 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:05:26,224 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 2, 2, 2, 2, 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] [2021-11-23 04:05:26,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 04:05:26,225 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 04:05:26,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:05:26,226 INFO L85 PathProgramCache]: Analyzing trace with hash -17440159, now seen corresponding path program 1 times [2021-11-23 04:05:26,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:05:26,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896988823] [2021-11-23 04:05:26,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:05:26,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:05:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:05:27,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1907 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1907 trivial. 0 not checked. [2021-11-23 04:05:27,781 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:05:27,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896988823] [2021-11-23 04:05:27,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896988823] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:05:27,781 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:05:27,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:05:27,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846533015] [2021-11-23 04:05:27,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:05:27,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 04:05:27,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:05:27,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 04:05:27,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 04:05:27,784 INFO L87 Difference]: Start difference. First operand 9056 states and 12933 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-23 04:05:29,960 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:05:32,343 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:05:38,095 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:05:39,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:05:39,636 INFO L93 Difference]: Finished difference Result 9103 states and 12992 transitions. [2021-11-23 04:05:39,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 04:05:39,637 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 285 [2021-11-23 04:05:39,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:05:39,713 INFO L225 Difference]: With dead ends: 9103 [2021-11-23 04:05:39,714 INFO L226 Difference]: Without dead ends: 9100 [2021-11-23 04:05:39,721 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 04:05:39,722 INFO L933 BasicCegarLoop]: 6561 mSDtfsCounter, 5433 mSDsluCounter, 2048 mSDsCounter, 0 mSdLazyCounter, 805 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5439 SdHoareTripleChecker+Valid, 8389 SdHoareTripleChecker+Invalid, 808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 805 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2021-11-23 04:05:39,723 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5439 Valid, 8389 Invalid, 808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 805 Invalid, 3 Unknown, 0 Unchecked, 11.5s Time] [2021-11-23 04:05:39,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9100 states. [2021-11-23 04:05:40,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9100 to 9090. [2021-11-23 04:05:40,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9090 states, 5507 states have (on average 1.278009805701834) internal successors, (7038), 5634 states have internal predecessors, (7038), 2966 states have call successors, (2966), 621 states have call predecessors, (2966), 616 states have return successors, (2975), 2913 states have call predecessors, (2975), 2947 states have call successors, (2975) [2021-11-23 04:05:40,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9090 states to 9090 states and 12979 transitions. [2021-11-23 04:05:40,415 INFO L78 Accepts]: Start accepts. Automaton has 9090 states and 12979 transitions. Word has length 285 [2021-11-23 04:05:40,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:05:40,416 INFO L470 AbstractCegarLoop]: Abstraction has 9090 states and 12979 transitions. [2021-11-23 04:05:40,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-23 04:05:40,417 INFO L276 IsEmpty]: Start isEmpty. Operand 9090 states and 12979 transitions. [2021-11-23 04:05:40,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2021-11-23 04:05:40,423 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:05:40,423 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 2, 2, 2, 2, 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] [2021-11-23 04:05:40,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 04:05:40,423 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 04:05:40,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:05:40,424 INFO L85 PathProgramCache]: Analyzing trace with hash -542918435, now seen corresponding path program 1 times [2021-11-23 04:05:40,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:05:40,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854068006] [2021-11-23 04:05:40,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:05:40,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:05:40,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:05:41,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1907 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1907 trivial. 0 not checked. [2021-11-23 04:05:41,228 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:05:41,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854068006] [2021-11-23 04:05:41,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854068006] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:05:41,228 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:05:41,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:05:41,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555461134] [2021-11-23 04:05:41,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:05:41,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 04:05:41,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:05:41,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 04:05:41,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 04:05:41,230 INFO L87 Difference]: Start difference. First operand 9090 states and 12979 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-23 04:05:43,393 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:05:45,823 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:05:49,057 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:05:52,009 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:05:54,488 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 04:05:56,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:05:56,079 INFO L93 Difference]: Finished difference Result 9104 states and 12993 transitions. [2021-11-23 04:05:56,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 04:05:56,081 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 286 [2021-11-23 04:05:56,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:05:56,152 INFO L225 Difference]: With dead ends: 9104 [2021-11-23 04:05:56,153 INFO L226 Difference]: Without dead ends: 9101 [2021-11-23 04:05:56,160 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 04:05:56,161 INFO L933 BasicCegarLoop]: 6547 mSDtfsCounter, 5393 mSDsluCounter, 2047 mSDsCounter, 0 mSdLazyCounter, 803 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5401 SdHoareTripleChecker+Valid, 8375 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 803 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2021-11-23 04:05:56,162 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5401 Valid, 8375 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 803 Invalid, 4 Unknown, 0 Unchecked, 14.6s Time] [2021-11-23 04:05:56,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9101 states. [2021-11-23 04:05:56,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9101 to 9089. [2021-11-23 04:05:56,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9089 states, 5507 states have (on average 1.2778282186308334) internal successors, (7037), 5633 states have internal predecessors, (7037), 2965 states have call successors, (2965), 621 states have call predecessors, (2965), 616 states have return successors, (2975), 2913 states have call predecessors, (2975), 2947 states have call successors, (2975) [2021-11-23 04:05:56,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9089 states to 9089 states and 12977 transitions. [2021-11-23 04:05:56,957 INFO L78 Accepts]: Start accepts. Automaton has 9089 states and 12977 transitions. Word has length 286 [2021-11-23 04:05:56,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:05:56,959 INFO L470 AbstractCegarLoop]: Abstraction has 9089 states and 12977 transitions. [2021-11-23 04:05:56,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-23 04:05:56,960 INFO L276 IsEmpty]: Start isEmpty. Operand 9089 states and 12977 transitions. [2021-11-23 04:05:56,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-11-23 04:05:56,966 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:05:56,966 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 2, 2, 2, 2, 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] [2021-11-23 04:05:56,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 04:05:56,967 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 04:05:56,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:05:56,967 INFO L85 PathProgramCache]: Analyzing trace with hash 347129060, now seen corresponding path program 1 times [2021-11-23 04:05:56,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 04:05:56,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006168551] [2021-11-23 04:05:56,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:05:56,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:05:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:05:57,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1907 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1907 trivial. 0 not checked. [2021-11-23 04:05:57,880 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 04:05:57,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006168551] [2021-11-23 04:05:57,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006168551] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:05:57,881 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:05:57,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:05:57,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044791767] [2021-11-23 04:05:57,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:05:57,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 04:05:57,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 04:05:57,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 04:05:57,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 04:05:57,883 INFO L87 Difference]: Start difference. First operand 9089 states and 12977 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25)