./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--team--team.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b73ed3-dc9d-476e-b792-687e867b7238/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b73ed3-dc9d-476e-b792-687e867b7238/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b73ed3-dc9d-476e-b792-687e867b7238/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b73ed3-dc9d-476e-b792-687e867b7238/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--team--team.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b73ed3-dc9d-476e-b792-687e867b7238/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b73ed3-dc9d-476e-b792-687e867b7238/bin/utaipan-I9t0OCRTmS --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 dbf26404e70c3394fd0367244976693545d30c1a748b5c7360fa4057d4decd8b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 06:52:22,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:52:22,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:52:22,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:52:22,295 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:52:22,296 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:52:22,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:52:22,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:52:22,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:52:22,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:52:22,302 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:52:22,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:52:22,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:52:22,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:52:22,315 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:52:22,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:52:22,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:52:22,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:52:22,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:52:22,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:52:22,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:52:22,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:52:22,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:52:22,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:52:22,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:52:22,346 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:52:22,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:52:22,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:52:22,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:52:22,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:52:22,349 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:52:22,350 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:52:22,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:52:22,351 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:52:22,352 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:52:22,353 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:52:22,353 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:52:22,354 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:52:22,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:52:22,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:52:22,362 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:52:22,362 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b73ed3-dc9d-476e-b792-687e867b7238/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 06:52:22,405 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:52:22,405 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:52:22,406 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:52:22,406 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:52:22,407 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:52:22,407 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:52:22,407 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:52:22,408 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:52:22,408 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:52:22,408 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:52:22,409 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:52:22,409 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:52:22,409 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:52:22,410 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:52:22,410 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:52:22,410 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:52:22,410 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:52:22,410 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:52:22,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:52:22,411 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:52:22,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:52:22,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:52:22,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:52:22,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:52:22,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:52:22,414 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:52:22,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:52:22,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:52:22,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:52:22,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:52:22,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:52:22,415 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:52:22,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:52:22,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:52:22,416 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:52:22,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:52:22,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:52:22,416 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:52:22,416 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b73ed3-dc9d-476e-b792-687e867b7238/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b73ed3-dc9d-476e-b792-687e867b7238/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbf26404e70c3394fd0367244976693545d30c1a748b5c7360fa4057d4decd8b [2022-11-19 06:52:22,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:52:22,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:52:22,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:52:22,700 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:52:22,711 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:52:22,712 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b73ed3-dc9d-476e-b792-687e867b7238/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--team--team.ko-entry_point.cil.out.i [2022-11-19 06:52:22,797 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b73ed3-dc9d-476e-b792-687e867b7238/bin/utaipan-I9t0OCRTmS/data/69ac07480/9ded29021ff64ad6a3a4ba1eac7d0542/FLAGeda263f5a [2022-11-19 06:52:23,765 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:52:23,766 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b73ed3-dc9d-476e-b792-687e867b7238/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--team--team.ko-entry_point.cil.out.i [2022-11-19 06:52:23,824 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b73ed3-dc9d-476e-b792-687e867b7238/bin/utaipan-I9t0OCRTmS/data/69ac07480/9ded29021ff64ad6a3a4ba1eac7d0542/FLAGeda263f5a [2022-11-19 06:52:24,168 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b73ed3-dc9d-476e-b792-687e867b7238/bin/utaipan-I9t0OCRTmS/data/69ac07480/9ded29021ff64ad6a3a4ba1eac7d0542 [2022-11-19 06:52:24,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:52:24,172 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:52:24,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:52:24,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:52:24,177 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:52:24,178 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:52:24" (1/1) ... [2022-11-19 06:52:24,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44c5f427 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:24, skipping insertion in model container [2022-11-19 06:52:24,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:52:24" (1/1) ... [2022-11-19 06:52:24,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:52:24,349 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:52:27,618 WARN L234 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_a5b73ed3-dc9d-476e-b792-687e867b7238/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--team--team.ko-entry_point.cil.out.i[393184,393197] [2022-11-19 06:52:27,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:52:27,807 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:52:28,475 WARN L234 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_a5b73ed3-dc9d-476e-b792-687e867b7238/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--team--team.ko-entry_point.cil.out.i[393184,393197] [2022-11-19 06:52:28,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:52:28,897 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:52:28,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:28 WrapperNode [2022-11-19 06:52:28,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:52:28,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:52:28,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:52:28,899 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:52:28,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:28" (1/1) ... [2022-11-19 06:52:29,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:28" (1/1) ... [2022-11-19 06:52:29,268 INFO L138 Inliner]: procedures = 473, calls = 2771, calls flagged for inlining = 210, calls inlined = 196, statements flattened = 6997 [2022-11-19 06:52:29,269 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:52:29,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:52:29,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:52:29,270 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:52:29,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:28" (1/1) ... [2022-11-19 06:52:29,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:28" (1/1) ... [2022-11-19 06:52:29,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:28" (1/1) ... [2022-11-19 06:52:29,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:28" (1/1) ... [2022-11-19 06:52:29,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:28" (1/1) ... [2022-11-19 06:52:29,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:28" (1/1) ... [2022-11-19 06:52:29,583 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:28" (1/1) ... [2022-11-19 06:52:29,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:28" (1/1) ... [2022-11-19 06:52:29,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:52:29,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:52:29,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:52:29,658 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:52:29,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:28" (1/1) ... [2022-11-19 06:52:29,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:52:29,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b73ed3-dc9d-476e-b792-687e867b7238/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:52:29,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b73ed3-dc9d-476e-b792-687e867b7238/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:52:29,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b73ed3-dc9d-476e-b792-687e867b7238/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:52:29,738 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_u32 [2022-11-19 06:52:29,738 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_u32 [2022-11-19 06:52:29,738 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_total_size [2022-11-19 06:52:29,739 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_total_size [2022-11-19 06:52:29,739 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_port_list_get [2022-11-19 06:52:29,739 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_port_list_get [2022-11-19 06:52:29,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 06:52:29,739 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 06:52:29,740 INFO L130 BoogieDeclarations]: Found specification of procedure __team_change_mode [2022-11-19 06:52:29,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_change_mode [2022-11-19 06:52:29,740 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u32 [2022-11-19 06:52:29,740 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u32 [2022-11-19 06:52:29,740 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-19 06:52:29,740 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-19 06:52:29,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 06:52:29,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 06:52:29,741 INFO L130 BoogieDeclarations]: Found specification of procedure team_init [2022-11-19 06:52:29,741 INFO L138 BoogieDeclarations]: Found implementation of procedure team_init [2022-11-19 06:52:29,741 INFO L130 BoogieDeclarations]: Found specification of procedure team_del_slave [2022-11-19 06:52:29,741 INFO L138 BoogieDeclarations]: Found implementation of procedure team_del_slave [2022-11-19 06:52:29,741 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_if_positive [2022-11-19 06:52:29,742 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_if_positive [2022-11-19 06:52:29,742 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-11-19 06:52:29,742 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-11-19 06:52:29,742 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_set [2022-11-19 06:52:29,742 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_set [2022-11-19 06:52:29,742 INFO L130 BoogieDeclarations]: Found specification of procedure team_netpoll_setup [2022-11-19 06:52:29,743 INFO L138 BoogieDeclarations]: Found implementation of procedure team_netpoll_setup [2022-11-19 06:52:29,743 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-19 06:52:29,743 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-19 06:52:29,743 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-19 06:52:29,743 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-19 06:52:29,743 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-19 06:52:29,744 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-19 06:52:29,744 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2022-11-19 06:52:29,744 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2022-11-19 06:52:29,744 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_enabled_check [2022-11-19 06:52:29,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_enabled_check [2022-11-19 06:52:29,745 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_override_fini [2022-11-19 06:52:29,745 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_override_fini [2022-11-19 06:52:29,745 INFO L130 BoogieDeclarations]: Found specification of procedure team_netpoll_cleanup [2022-11-19 06:52:29,745 INFO L138 BoogieDeclarations]: Found implementation of procedure team_netpoll_cleanup [2022-11-19 06:52:29,745 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_mtu [2022-11-19 06:52:29,745 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_mtu [2022-11-19 06:52:29,746 INFO L130 BoogieDeclarations]: Found specification of procedure switchdev_port_fdb_dump [2022-11-19 06:52:29,746 INFO L138 BoogieDeclarations]: Found implementation of procedure switchdev_port_fdb_dump [2022-11-19 06:52:29,746 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-19 06:52:29,747 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-19 06:52:29,747 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_get_rtnl [2022-11-19 06:52:29,748 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_get_rtnl [2022-11-19 06:52:29,748 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-11-19 06:52:29,748 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-11-19 06:52:29,748 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_mac_address [2022-11-19 06:52:29,749 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_mac_address [2022-11-19 06:52:29,749 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_add [2022-11-19 06:52:29,749 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_add [2022-11-19 06:52:29,749 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_unicast [2022-11-19 06:52:29,749 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_unicast [2022-11-19 06:52:29,749 INFO L130 BoogieDeclarations]: Found specification of procedure team_get_num_tx_queues [2022-11-19 06:52:29,750 INFO L138 BoogieDeclarations]: Found implementation of procedure team_get_num_tx_queues [2022-11-19 06:52:29,750 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_end [2022-11-19 06:52:29,750 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_end [2022-11-19 06:52:29,751 INFO L130 BoogieDeclarations]: Found specification of procedure team_poll_controller [2022-11-19 06:52:29,751 INFO L138 BoogieDeclarations]: Found implementation of procedure team_poll_controller [2022-11-19 06:52:29,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:52:29,751 INFO L130 BoogieDeclarations]: Found specification of procedure team_add_slave [2022-11-19 06:52:29,751 INFO L138 BoogieDeclarations]: Found implementation of procedure team_add_slave [2022-11-19 06:52:29,751 INFO L130 BoogieDeclarations]: Found specification of procedure team_vlan_rx_kill_vid [2022-11-19 06:52:29,752 INFO L138 BoogieDeclarations]: Found implementation of procedure team_vlan_rx_kill_vid [2022-11-19 06:52:29,752 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_option [2022-11-19 06:52:29,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_option [2022-11-19 06:52:29,753 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2022-11-19 06:52:29,753 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2022-11-19 06:52:29,753 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_unregister [2022-11-19 06:52:29,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_unregister [2022-11-19 06:52:29,753 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_put [2022-11-19 06:52:29,753 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_put [2022-11-19 06:52:29,754 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-19 06:52:29,754 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-19 06:52:29,754 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_trylock [2022-11-19 06:52:29,754 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_trylock [2022-11-19 06:52:29,754 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-19 06:52:29,755 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-19 06:52:29,755 INFO L130 BoogieDeclarations]: Found specification of procedure switchdev_port_bridge_getlink [2022-11-19 06:52:29,755 INFO L138 BoogieDeclarations]: Found implementation of procedure switchdev_port_bridge_getlink [2022-11-19 06:52:29,756 INFO L130 BoogieDeclarations]: Found specification of procedure team_refresh_port_linkup [2022-11-19 06:52:29,756 INFO L138 BoogieDeclarations]: Found implementation of procedure team_refresh_port_linkup [2022-11-19 06:52:29,756 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_new [2022-11-19 06:52:29,757 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_new [2022-11-19 06:52:29,757 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_carrier [2022-11-19 06:52:29,757 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_carrier [2022-11-19 06:52:29,757 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-19 06:52:29,758 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-19 06:52:29,758 INFO L130 BoogieDeclarations]: Found specification of procedure switchdev_port_bridge_setlink [2022-11-19 06:52:29,758 INFO L138 BoogieDeclarations]: Found implementation of procedure switchdev_port_bridge_setlink [2022-11-19 06:52:29,758 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers [2022-11-19 06:52:29,758 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers [2022-11-19 06:52:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 06:52:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure __team_port_change_send [2022-11-19 06:52:29,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_port_change_send [2022-11-19 06:52:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_end [2022-11-19 06:52:29,759 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_end [2022-11-19 06:52:29,760 INFO L130 BoogieDeclarations]: Found specification of procedure team_fix_features [2022-11-19 06:52:29,760 INFO L138 BoogieDeclarations]: Found implementation of procedure team_fix_features [2022-11-19 06:52:29,760 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_del_rcu [2022-11-19 06:52:29,760 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_del_rcu [2022-11-19 06:52:29,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 06:52:29,761 INFO L130 BoogieDeclarations]: Found specification of procedure __team_netpoll_cleanup [2022-11-19 06:52:29,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_netpoll_cleanup [2022-11-19 06:52:29,761 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u8 [2022-11-19 06:52:29,762 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u8 [2022-11-19 06:52:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 06:52:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure team_select_queue [2022-11-19 06:52:29,765 INFO L138 BoogieDeclarations]: Found implementation of procedure team_select_queue [2022-11-19 06:52:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_vid_del [2022-11-19 06:52:29,765 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_vid_del [2022-11-19 06:52:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 06:52:29,767 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 06:52:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_option_set [2022-11-19 06:52:29,768 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_option_set [2022-11-19 06:52:29,774 INFO L130 BoogieDeclarations]: Found specification of procedure __find_mode [2022-11-19 06:52:29,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_mode [2022-11-19 06:52:29,774 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_mode [2022-11-19 06:52:29,774 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_mode [2022-11-19 06:52:29,774 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-19 06:52:29,775 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-19 06:52:29,775 INFO L130 BoogieDeclarations]: Found specification of procedure team_ethtool_get_drvinfo [2022-11-19 06:52:29,775 INFO L138 BoogieDeclarations]: Found implementation of procedure team_ethtool_get_drvinfo [2022-11-19 06:52:29,775 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-19 06:52:29,775 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-19 06:52:29,775 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-19 06:52:29,775 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-19 06:52:29,776 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_put [2022-11-19 06:52:29,776 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_put [2022-11-19 06:52:29,776 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_rx_mode [2022-11-19 06:52:29,776 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_rx_mode [2022-11-19 06:52:29,776 INFO L130 BoogieDeclarations]: Found specification of procedure team_setup [2022-11-19 06:52:29,776 INFO L138 BoogieDeclarations]: Found implementation of procedure team_setup [2022-11-19 06:52:29,776 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_index_hash [2022-11-19 06:52:29,776 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_index_hash [2022-11-19 06:52:29,777 INFO L130 BoogieDeclarations]: Found specification of procedure genl_info_net [2022-11-19 06:52:29,777 INFO L138 BoogieDeclarations]: Found implementation of procedure genl_info_net [2022-11-19 06:52:29,777 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-11-19 06:52:29,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-11-19 06:52:29,777 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-19 06:52:29,777 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-19 06:52:29,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-19 06:52:29,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-19 06:52:29,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 06:52:29,778 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-19 06:52:29,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-19 06:52:29,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:52:29,778 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_fini [2022-11-19 06:52:29,778 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_fini [2022-11-19 06:52:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-19 06:52:29,779 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-19 06:52:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_port [2022-11-19 06:52:29,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_port [2022-11-19 06:52:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 06:52:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-19 06:52:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 06:52:29,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 06:52:29,780 INFO L130 BoogieDeclarations]: Found specification of procedure read_pnet [2022-11-19 06:52:29,780 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pnet [2022-11-19 06:52:29,780 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-19 06:52:29,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-19 06:52:29,780 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable [2022-11-19 06:52:29,780 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable [2022-11-19 06:52:29,781 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_set [2022-11-19 06:52:29,781 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_set [2022-11-19 06:52:29,781 INFO L130 BoogieDeclarations]: Found specification of procedure team_adjust_ops [2022-11-19 06:52:29,781 INFO L138 BoogieDeclarations]: Found implementation of procedure team_adjust_ops [2022-11-19 06:52:29,781 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_rx_handler_unregister [2022-11-19 06:52:29,781 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_rx_handler_unregister [2022-11-19 06:52:29,781 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-19 06:52:29,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-19 06:52:29,782 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_mtu [2022-11-19 06:52:29,782 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_mtu [2022-11-19 06:52:29,782 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-19 06:52:29,782 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-19 06:52:29,782 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_del [2022-11-19 06:52:29,782 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_del [2022-11-19 06:52:29,782 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-19 06:52:29,783 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-19 06:52:29,783 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_vids_del_by_dev [2022-11-19 06:52:29,783 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_vids_del_by_dev [2022-11-19 06:52:29,783 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin [2022-11-19 06:52:29,783 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin [2022-11-19 06:52:29,783 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-11-19 06:52:29,783 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-11-19 06:52:29,784 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-19 06:52:29,784 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-19 06:52:29,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:52:29,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:52:29,784 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_fini [2022-11-19 06:52:29,784 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_fini [2022-11-19 06:52:29,784 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_orig_dev_addr [2022-11-19 06:52:29,785 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_orig_dev_addr [2022-11-19 06:52:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_port_get [2022-11-19 06:52:29,785 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_port_get [2022-11-19 06:52:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_register [2022-11-19 06:52:29,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_register [2022-11-19 06:52:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-11-19 06:52:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_change_check [2022-11-19 06:52:29,786 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_change_check [2022-11-19 06:52:29,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 06:52:29,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 06:52:29,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 06:52:29,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 06:52:29,786 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-19 06:52:29,786 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-19 06:52:29,787 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_register [2022-11-19 06:52:29,787 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_register [2022-11-19 06:52:29,787 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-19 06:52:29,787 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-19 06:52:29,787 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_trim [2022-11-19 06:52:29,787 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_trim [2022-11-19 06:52:29,787 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_put [2022-11-19 06:52:29,788 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_put [2022-11-19 06:52:29,788 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_option [2022-11-19 06:52:29,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_option [2022-11-19 06:52:29,788 INFO L130 BoogieDeclarations]: Found specification of procedure team_get_stats64 [2022-11-19 06:52:29,788 INFO L138 BoogieDeclarations]: Found implementation of procedure team_get_stats64 [2022-11-19 06:52:29,788 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-19 06:52:29,788 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_rcu [2022-11-19 06:52:29,789 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_rcu [2022-11-19 06:52:29,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-19 06:52:29,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-19 06:52:29,789 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_cancel [2022-11-19 06:52:29,789 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_cancel [2022-11-19 06:52:29,789 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-19 06:52:29,789 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-19 06:52:29,790 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_notifier [2022-11-19 06:52:29,790 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_notifier [2022-11-19 06:52:29,790 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_team_dev_addr [2022-11-19 06:52:29,790 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_team_dev_addr [2022-11-19 06:52:29,790 INFO L130 BoogieDeclarations]: Found specification of procedure team_vlan_rx_add_vid [2022-11-19 06:52:29,791 INFO L138 BoogieDeclarations]: Found implementation of procedure team_vlan_rx_add_vid [2022-11-19 06:52:29,794 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-19 06:52:29,795 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-19 06:52:29,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 06:52:29,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 06:52:29,795 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_add_head_rcu [2022-11-19 06:52:29,795 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_add_head_rcu [2022-11-19 06:52:29,795 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-19 06:52:29,795 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-19 06:52:29,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2022-11-19 06:52:29,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2022-11-19 06:52:29,797 INFO L130 BoogieDeclarations]: Found specification of procedure passthru_features_check [2022-11-19 06:52:29,797 INFO L138 BoogieDeclarations]: Found implementation of procedure passthru_features_check [2022-11-19 06:52:29,797 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_work [2022-11-19 06:52:29,798 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_work [2022-11-19 06:52:29,798 INFO L130 BoogieDeclarations]: Found specification of procedure __team_carrier_check [2022-11-19 06:52:29,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_carrier_check [2022-11-19 06:52:29,798 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-19 06:52:29,798 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-19 06:52:29,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 06:52:29,798 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 06:52:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_start [2022-11-19 06:52:29,799 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_start [2022-11-19 06:52:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 06:52:29,799 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 06:52:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_get [2022-11-19 06:52:29,799 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_get [2022-11-19 06:52:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure nla_len [2022-11-19 06:52:29,800 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_len [2022-11-19 06:52:29,800 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net [2022-11-19 06:52:29,800 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net [2022-11-19 06:52:29,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:52:29,800 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-19 06:52:29,800 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-19 06:52:29,800 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable_netpoll [2022-11-19 06:52:29,800 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable_netpoll [2022-11-19 06:52:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-19 06:52:29,801 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-19 06:52:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_del [2022-11-19 06:52:29,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_del [2022-11-19 06:52:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-19 06:52:29,801 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-19 06:52:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 06:52:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-19 06:52:29,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-19 06:52:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail_rcu [2022-11-19 06:52:29,802 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail_rcu [2022-11-19 06:52:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_get [2022-11-19 06:52:29,802 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_get [2022-11-19 06:52:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2022-11-19 06:52:29,802 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2022-11-19 06:52:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 06:52:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enabled [2022-11-19 06:52:29,803 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enabled [2022-11-19 06:52:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-19 06:52:29,803 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-19 06:52:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure team_upper_dev_unlink [2022-11-19 06:52:29,803 INFO L138 BoogieDeclarations]: Found implementation of procedure team_upper_dev_unlink [2022-11-19 06:52:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure __team_find_option [2022-11-19 06:52:29,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_find_option [2022-11-19 06:52:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2022-11-19 06:52:29,804 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2022-11-19 06:52:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-19 06:52:29,804 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-19 06:52:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-19 06:52:29,804 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-19 06:52:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-19 06:52:29,805 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-19 06:52:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-19 06:52:29,805 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-19 06:52:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_option_get [2022-11-19 06:52:29,805 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_option_get [2022-11-19 06:52:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure team_is_mode_set [2022-11-19 06:52:29,805 INFO L138 BoogieDeclarations]: Found implementation of procedure team_is_mode_set [2022-11-19 06:52:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure switchdev_port_fdb_add [2022-11-19 06:52:29,806 INFO L138 BoogieDeclarations]: Found implementation of procedure switchdev_port_fdb_add [2022-11-19 06:52:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_change_check [2022-11-19 06:52:29,806 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_change_check [2022-11-19 06:52:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-19 06:52:29,806 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-19 06:52:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure team_get_num_rx_queues [2022-11-19 06:52:29,806 INFO L138 BoogieDeclarations]: Found implementation of procedure team_get_num_rx_queues [2022-11-19 06:52:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure call_netdevice_notifiers [2022-11-19 06:52:29,807 INFO L138 BoogieDeclarations]: Found implementation of procedure call_netdevice_notifiers [2022-11-19 06:52:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2022-11-19 06:52:29,807 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2022-11-19 06:52:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure __team_compute_features [2022-11-19 06:52:29,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_compute_features [2022-11-19 06:52:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_work [2022-11-19 06:52:29,808 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_work [2022-11-19 06:52:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_leave [2022-11-19 06:52:29,808 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_leave [2022-11-19 06:52:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure __send_and_alloc_skb [2022-11-19 06:52:29,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __send_and_alloc_skb [2022-11-19 06:52:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_put [2022-11-19 06:52:29,808 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_put [2022-11-19 06:52:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-19 06:52:29,809 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-19 06:52:29,809 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_init [2022-11-19 06:52:29,809 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_init [2022-11-19 06:52:29,809 INFO L130 BoogieDeclarations]: Found specification of procedure __team_get_qom_list [2022-11-19 06:52:29,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_get_qom_list [2022-11-19 06:52:29,809 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 06:52:29,809 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 06:52:29,809 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_cancel [2022-11-19 06:52:29,810 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_cancel [2022-11-19 06:52:29,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:52:29,810 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_get [2022-11-19 06:52:29,810 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_get [2022-11-19 06:52:29,810 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del [2022-11-19 06:52:29,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del [2022-11-19 06:52:29,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 06:52:29,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 06:52:29,811 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_options_get [2022-11-19 06:52:29,811 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_options_get [2022-11-19 06:52:29,811 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_increment_features [2022-11-19 06:52:29,811 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_increment_features [2022-11-19 06:52:29,811 INFO L130 BoogieDeclarations]: Found specification of procedure team_open [2022-11-19 06:52:29,811 INFO L138 BoogieDeclarations]: Found implementation of procedure team_open [2022-11-19 06:52:29,811 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2022-11-19 06:52:29,812 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2022-11-19 06:52:29,812 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_port [2022-11-19 06:52:29,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_port [2022-11-19 06:52:29,812 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_add [2022-11-19 06:52:29,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_add [2022-11-19 06:52:29,812 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_change_check [2022-11-19 06:52:29,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_change_check [2022-11-19 06:52:29,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-19 06:52:29,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-19 06:52:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure __set_port_dev_addr [2022-11-19 06:52:29,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_port_dev_addr [2022-11-19 06:52:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2022-11-19 06:52:29,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2022-11-19 06:52:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-11-19 06:52:29,813 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-11-19 06:52:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-19 06:52:29,814 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-19 06:52:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2022-11-19 06:52:29,814 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2022-11-19 06:52:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_rx_flags [2022-11-19 06:52:29,814 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_rx_flags [2022-11-19 06:52:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure team_validate [2022-11-19 06:52:29,814 INFO L138 BoogieDeclarations]: Found implementation of procedure team_validate [2022-11-19 06:52:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure switchdev_port_fdb_del [2022-11-19 06:52:29,815 INFO L138 BoogieDeclarations]: Found implementation of procedure switchdev_port_fdb_del [2022-11-19 06:52:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_free [2022-11-19 06:52:29,815 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_free [2022-11-19 06:52:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-19 06:52:29,815 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-19 06:52:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable [2022-11-19 06:52:29,816 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable [2022-11-19 06:52:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-19 06:52:29,816 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-19 06:52:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure switchdev_port_bridge_dellink [2022-11-19 06:52:29,816 INFO L138 BoogieDeclarations]: Found implementation of procedure switchdev_port_bridge_dellink [2022-11-19 06:52:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_no_mode [2022-11-19 06:52:29,816 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_no_mode [2022-11-19 06:52:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-19 06:52:29,817 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-19 06:52:29,817 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_flag [2022-11-19 06:52:29,817 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_flag [2022-11-19 06:52:29,817 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-19 06:52:29,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-19 06:52:29,817 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable_netpoll [2022-11-19 06:52:29,817 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable_netpoll [2022-11-19 06:52:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enter [2022-11-19 06:52:29,818 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enter [2022-11-19 06:52:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-19 06:52:29,818 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-19 06:52:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_string [2022-11-19 06:52:29,818 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_string [2022-11-19 06:52:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:52:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-19 06:52:29,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-19 06:52:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_event_options_get [2022-11-19 06:52:29,819 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_event_options_get [2022-11-19 06:52:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure team_close [2022-11-19 06:52:29,819 INFO L138 BoogieDeclarations]: Found implementation of procedure team_close [2022-11-19 06:52:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure team_uninit [2022-11-19 06:52:29,819 INFO L138 BoogieDeclarations]: Found implementation of procedure team_uninit [2022-11-19 06:52:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add [2022-11-19 06:52:29,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add [2022-11-19 06:52:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_skb_cb [2022-11-19 06:52:29,820 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_skb_cb [2022-11-19 06:52:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure team_newlink [2022-11-19 06:52:29,820 INFO L138 BoogieDeclarations]: Found implementation of procedure team_newlink [2022-11-19 06:52:31,011 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:52:31,021 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:52:31,439 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 06:52:37,550 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:52:40,576 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:52:40,576 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-19 06:52:40,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:52:40 BoogieIcfgContainer [2022-11-19 06:52:40,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:52:40,585 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:52:40,585 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:52:40,589 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:52:40,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:52:24" (1/3) ... [2022-11-19 06:52:40,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64f89e72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:52:40, skipping insertion in model container [2022-11-19 06:52:40,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:28" (2/3) ... [2022-11-19 06:52:40,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64f89e72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:52:40, skipping insertion in model container [2022-11-19 06:52:40,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:52:40" (3/3) ... [2022-11-19 06:52:40,592 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--team--team.ko-entry_point.cil.out.i [2022-11-19 06:52:40,612 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:52:40,612 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 06:52:40,728 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:52:40,736 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2fd37f5a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:52:40,736 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 06:52:40,748 INFO L276 IsEmpty]: Start isEmpty. Operand has 2340 states, 1455 states have (on average 1.3628865979381444) internal successors, (1983), 1514 states have internal predecessors, (1983), 682 states have call successors, (682), 202 states have call predecessors, (682), 201 states have return successors, (674), 661 states have call predecessors, (674), 674 states have call successors, (674) [2022-11-19 06:52:40,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2022-11-19 06:52:40,782 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:52:40,784 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:52:40,784 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:52:40,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:52:40,789 INFO L85 PathProgramCache]: Analyzing trace with hash -2111019724, now seen corresponding path program 1 times [2022-11-19 06:52:40,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:52:40,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692504182] [2022-11-19 06:52:40,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:52:40,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:52:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:52:42,767 INFO L134 CoverageAnalysis]: Checked inductivity of 3780 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3780 trivial. 0 not checked. [2022-11-19 06:52:42,768 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:52:42,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692504182] [2022-11-19 06:52:42,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692504182] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:52:42,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:52:42,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:52:42,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351429259] [2022-11-19 06:52:42,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:52:42,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:52:42,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:52:42,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:52:42,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:52:42,824 INFO L87 Difference]: Start difference. First operand has 2340 states, 1455 states have (on average 1.3628865979381444) internal successors, (1983), 1514 states have internal predecessors, (1983), 682 states have call successors, (682), 202 states have call predecessors, (682), 201 states have return successors, (674), 661 states have call predecessors, (674), 674 states have call successors, (674) Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2022-11-19 06:52:44,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:52:47,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:52:47,716 INFO L93 Difference]: Finished difference Result 6802 states and 9801 transitions. [2022-11-19 06:52:47,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:52:47,718 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 473 [2022-11-19 06:52:47,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:52:47,764 INFO L225 Difference]: With dead ends: 6802 [2022-11-19 06:52:47,765 INFO L226 Difference]: Without dead ends: 4523 [2022-11-19 06:52:47,780 INFO L412 NwaCegarLoop]: 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 [2022-11-19 06:52:47,783 INFO L413 NwaCegarLoop]: 3645 mSDtfsCounter, 3157 mSDsluCounter, 3010 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3157 SdHoareTripleChecker+Valid, 6655 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:52:47,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3157 Valid, 6655 Invalid, 627 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 623 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2022-11-19 06:52:47,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4523 states. [2022-11-19 06:52:48,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4523 to 4520. [2022-11-19 06:52:48,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4520 states, 2831 states have (on average 1.3599434828682444) internal successors, (3850), 2927 states have internal predecessors, (3850), 1291 states have call successors, (1291), 398 states have call predecessors, (1291), 397 states have return successors, (1289), 1263 states have call predecessors, (1289), 1289 states have call successors, (1289) [2022-11-19 06:52:48,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4520 states to 4520 states and 6430 transitions. [2022-11-19 06:52:48,106 INFO L78 Accepts]: Start accepts. Automaton has 4520 states and 6430 transitions. Word has length 473 [2022-11-19 06:52:48,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:52:48,112 INFO L495 AbstractCegarLoop]: Abstraction has 4520 states and 6430 transitions. [2022-11-19 06:52:48,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2022-11-19 06:52:48,112 INFO L276 IsEmpty]: Start isEmpty. Operand 4520 states and 6430 transitions. [2022-11-19 06:52:48,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2022-11-19 06:52:48,131 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:52:48,132 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:52:48,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 06:52:48,132 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:52:48,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:52:48,133 INFO L85 PathProgramCache]: Analyzing trace with hash 349146509, now seen corresponding path program 1 times [2022-11-19 06:52:48,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:52:48,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373600352] [2022-11-19 06:52:48,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:52:48,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:52:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:52:49,362 INFO L134 CoverageAnalysis]: Checked inductivity of 3780 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3780 trivial. 0 not checked. [2022-11-19 06:52:49,362 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:52:49,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373600352] [2022-11-19 06:52:49,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373600352] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:52:49,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:52:49,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:52:49,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091797681] [2022-11-19 06:52:49,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:52:49,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:52:49,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:52:49,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:52:49,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:52:49,366 INFO L87 Difference]: Start difference. First operand 4520 states and 6430 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2022-11-19 06:52:51,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:52:53,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:52:53,949 INFO L93 Difference]: Finished difference Result 9416 states and 13502 transitions. [2022-11-19 06:52:53,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:52:53,950 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 471 [2022-11-19 06:52:53,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:52:53,991 INFO L225 Difference]: With dead ends: 9416 [2022-11-19 06:52:53,992 INFO L226 Difference]: Without dead ends: 4987 [2022-11-19 06:52:54,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:52:54,012 INFO L413 NwaCegarLoop]: 3605 mSDtfsCounter, 3945 mSDsluCounter, 3129 mSDsCounter, 0 mSdLazyCounter, 777 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3945 SdHoareTripleChecker+Valid, 6734 SdHoareTripleChecker+Invalid, 917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:52:54,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3945 Valid, 6734 Invalid, 917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 777 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-11-19 06:52:54,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4987 states. [2022-11-19 06:52:54,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4987 to 4522. [2022-11-19 06:52:54,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4522 states, 2833 states have (on average 1.3593363925167667) internal successors, (3851), 2929 states have internal predecessors, (3851), 1291 states have call successors, (1291), 398 states have call predecessors, (1291), 397 states have return successors, (1289), 1263 states have call predecessors, (1289), 1289 states have call successors, (1289) [2022-11-19 06:52:54,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4522 states to 4522 states and 6431 transitions. [2022-11-19 06:52:54,272 INFO L78 Accepts]: Start accepts. Automaton has 4522 states and 6431 transitions. Word has length 471 [2022-11-19 06:52:54,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:52:54,274 INFO L495 AbstractCegarLoop]: Abstraction has 4522 states and 6431 transitions. [2022-11-19 06:52:54,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2022-11-19 06:52:54,275 INFO L276 IsEmpty]: Start isEmpty. Operand 4522 states and 6431 transitions. [2022-11-19 06:52:54,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2022-11-19 06:52:54,286 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:52:54,286 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:52:54,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 06:52:54,287 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:52:54,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:52:54,297 INFO L85 PathProgramCache]: Analyzing trace with hash -25094157, now seen corresponding path program 1 times [2022-11-19 06:52:54,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:52:54,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269350294] [2022-11-19 06:52:54,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:52:54,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:52:54,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:52:55,431 INFO L134 CoverageAnalysis]: Checked inductivity of 3780 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3780 trivial. 0 not checked. [2022-11-19 06:52:55,432 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:52:55,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269350294] [2022-11-19 06:52:55,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269350294] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:52:55,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:52:55,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:52:55,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670289160] [2022-11-19 06:52:55,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:52:55,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:52:55,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:52:55,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:52:55,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:52:55,435 INFO L87 Difference]: Start difference. First operand 4522 states and 6431 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-11-19 06:52:56,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:52:59,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:52:59,453 INFO L93 Difference]: Finished difference Result 13365 states and 19100 transitions. [2022-11-19 06:52:59,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:52:59,454 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 474 [2022-11-19 06:52:59,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:52:59,529 INFO L225 Difference]: With dead ends: 13365 [2022-11-19 06:52:59,529 INFO L226 Difference]: Without dead ends: 8925 [2022-11-19 06:52:59,558 INFO L412 NwaCegarLoop]: 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 [2022-11-19 06:52:59,563 INFO L413 NwaCegarLoop]: 3774 mSDtfsCounter, 3186 mSDsluCounter, 2910 mSDsCounter, 0 mSdLazyCounter, 622 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3186 SdHoareTripleChecker+Valid, 6684 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:52:59,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3186 Valid, 6684 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 622 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-19 06:52:59,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8925 states. [2022-11-19 06:53:00,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8925 to 8915. [2022-11-19 06:53:00,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8915 states, 5595 states have (on average 1.362466487935657) internal successors, (7623), 5788 states have internal predecessors, (7623), 2528 states have call successors, (2528), 792 states have call predecessors, (2528), 791 states have return successors, (2618), 2472 states have call predecessors, (2618), 2526 states have call successors, (2618) [2022-11-19 06:53:00,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8915 states to 8915 states and 12769 transitions. [2022-11-19 06:53:00,204 INFO L78 Accepts]: Start accepts. Automaton has 8915 states and 12769 transitions. Word has length 474 [2022-11-19 06:53:00,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:53:00,206 INFO L495 AbstractCegarLoop]: Abstraction has 8915 states and 12769 transitions. [2022-11-19 06:53:00,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-11-19 06:53:00,207 INFO L276 IsEmpty]: Start isEmpty. Operand 8915 states and 12769 transitions. [2022-11-19 06:53:00,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2022-11-19 06:53:00,224 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:53:00,224 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:53:00,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 06:53:00,225 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:53:00,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:53:00,226 INFO L85 PathProgramCache]: Analyzing trace with hash -791565143, now seen corresponding path program 1 times [2022-11-19 06:53:00,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:53:00,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965475978] [2022-11-19 06:53:00,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:53:00,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:53:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:53:01,009 INFO L134 CoverageAnalysis]: Checked inductivity of 3843 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3843 trivial. 0 not checked. [2022-11-19 06:53:01,010 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:53:01,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965475978] [2022-11-19 06:53:01,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965475978] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:53:01,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:53:01,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:53:01,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881642130] [2022-11-19 06:53:01,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:53:01,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:53:01,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:53:01,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:53:01,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:53:01,013 INFO L87 Difference]: Start difference. First operand 8915 states and 12769 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-11-19 06:53:02,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:53:05,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:53:05,382 INFO L93 Difference]: Finished difference Result 19715 states and 28035 transitions. [2022-11-19 06:53:05,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:53:05,383 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 522 [2022-11-19 06:53:05,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:53:05,454 INFO L225 Difference]: With dead ends: 19715 [2022-11-19 06:53:05,454 INFO L226 Difference]: Without dead ends: 10891 [2022-11-19 06:53:05,486 INFO L412 NwaCegarLoop]: 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 [2022-11-19 06:53:05,487 INFO L413 NwaCegarLoop]: 3944 mSDtfsCounter, 2634 mSDsluCounter, 2659 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2634 SdHoareTripleChecker+Valid, 6603 SdHoareTripleChecker+Invalid, 898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-19 06:53:05,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2634 Valid, 6603 Invalid, 898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-19 06:53:05,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10891 states. [2022-11-19 06:53:06,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10891 to 10876. [2022-11-19 06:53:06,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10876 states, 6832 states have (on average 1.3568501170960188) internal successors, (9270), 7076 states have internal predecessors, (9270), 3009 states have call successors, (3009), 1035 states have call predecessors, (3009), 1034 states have return successors, (3103), 2948 states have call predecessors, (3103), 3007 states have call successors, (3103) [2022-11-19 06:53:06,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10876 states to 10876 states and 15382 transitions. [2022-11-19 06:53:06,082 INFO L78 Accepts]: Start accepts. Automaton has 10876 states and 15382 transitions. Word has length 522 [2022-11-19 06:53:06,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:53:06,083 INFO L495 AbstractCegarLoop]: Abstraction has 10876 states and 15382 transitions. [2022-11-19 06:53:06,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-11-19 06:53:06,083 INFO L276 IsEmpty]: Start isEmpty. Operand 10876 states and 15382 transitions. [2022-11-19 06:53:06,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 597 [2022-11-19 06:53:06,110 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:53:06,111 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 27, 27, 27, 27, 27, 27, 22, 22, 21, 21, 21, 21, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:53:06,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 06:53:06,111 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:53:06,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:53:06,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1801520521, now seen corresponding path program 1 times [2022-11-19 06:53:06,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:53:06,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663985065] [2022-11-19 06:53:06,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:53:06,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:53:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:53:07,153 INFO L134 CoverageAnalysis]: Checked inductivity of 5045 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5043 trivial. 0 not checked. [2022-11-19 06:53:07,153 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:53:07,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663985065] [2022-11-19 06:53:07,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663985065] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:53:07,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:53:07,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:53:07,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847348589] [2022-11-19 06:53:07,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:53:07,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:53:07,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:53:07,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:53:07,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:53:07,156 INFO L87 Difference]: Start difference. First operand 10876 states and 15382 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2022-11-19 06:53:09,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:53:13,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:53:13,024 INFO L93 Difference]: Finished difference Result 22392 states and 31723 transitions. [2022-11-19 06:53:13,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:53:13,025 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) Word has length 596 [2022-11-19 06:53:13,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:53:13,114 INFO L225 Difference]: With dead ends: 22392 [2022-11-19 06:53:13,114 INFO L226 Difference]: Without dead ends: 14748 [2022-11-19 06:53:13,152 INFO L412 NwaCegarLoop]: 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 [2022-11-19 06:53:13,155 INFO L413 NwaCegarLoop]: 4941 mSDtfsCounter, 2797 mSDsluCounter, 2743 mSDsCounter, 0 mSdLazyCounter, 1064 mSolverCounterSat, 114 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2797 SdHoareTripleChecker+Valid, 7684 SdHoareTripleChecker+Invalid, 1179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 1064 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-11-19 06:53:13,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2797 Valid, 7684 Invalid, 1179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 1064 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2022-11-19 06:53:13,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14748 states. [2022-11-19 06:53:13,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14748 to 14733. [2022-11-19 06:53:13,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14733 states, 9307 states have (on average 1.3509186633716557) internal successors, (12573), 9634 states have internal predecessors, (12573), 4014 states have call successors, (4014), 1412 states have call predecessors, (4014), 1411 states have return successors, (4138), 3934 states have call predecessors, (4138), 4012 states have call successors, (4138) [2022-11-19 06:53:14,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14733 states to 14733 states and 20725 transitions. [2022-11-19 06:53:14,084 INFO L78 Accepts]: Start accepts. Automaton has 14733 states and 20725 transitions. Word has length 596 [2022-11-19 06:53:14,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:53:14,086 INFO L495 AbstractCegarLoop]: Abstraction has 14733 states and 20725 transitions. [2022-11-19 06:53:14,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2022-11-19 06:53:14,086 INFO L276 IsEmpty]: Start isEmpty. Operand 14733 states and 20725 transitions. [2022-11-19 06:53:14,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 635 [2022-11-19 06:53:14,120 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:53:14,120 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 27, 27, 27, 27, 27, 27, 22, 22, 21, 21, 21, 21, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:53:14,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 06:53:14,121 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:53:14,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:53:14,122 INFO L85 PathProgramCache]: Analyzing trace with hash 609118867, now seen corresponding path program 1 times [2022-11-19 06:53:14,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:53:14,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848639184] [2022-11-19 06:53:14,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:53:14,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:53:14,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:53:16,732 INFO L134 CoverageAnalysis]: Checked inductivity of 5064 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5060 trivial. 0 not checked. [2022-11-19 06:53:16,732 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:53:16,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848639184] [2022-11-19 06:53:16,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848639184] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:53:16,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:53:16,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 06:53:16,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566720785] [2022-11-19 06:53:16,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:53:16,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:53:16,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:53:16,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:53:16,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:53:16,735 INFO L87 Difference]: Start difference. First operand 14733 states and 20725 transitions. Second operand has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 3 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (60), 4 states have call predecessors, (60), 3 states have call successors, (60) [2022-11-19 06:53:19,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:53:21,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:53:29,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:53:29,268 INFO L93 Difference]: Finished difference Result 29573 states and 41644 transitions. [2022-11-19 06:53:29,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 06:53:29,269 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 3 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (60), 4 states have call predecessors, (60), 3 states have call successors, (60) Word has length 634 [2022-11-19 06:53:29,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:53:29,377 INFO L225 Difference]: With dead ends: 29573 [2022-11-19 06:53:29,378 INFO L226 Difference]: Without dead ends: 18072 [2022-11-19 06:53:29,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:53:29,423 INFO L413 NwaCegarLoop]: 4941 mSDtfsCounter, 2796 mSDsluCounter, 11352 mSDsCounter, 0 mSdLazyCounter, 3524 mSolverCounterSat, 72 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2798 SdHoareTripleChecker+Valid, 16293 SdHoareTripleChecker+Invalid, 3597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 3524 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-11-19 06:53:29,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2798 Valid, 16293 Invalid, 3597 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [72 Valid, 3524 Invalid, 1 Unknown, 0 Unchecked, 11.8s Time] [2022-11-19 06:53:29,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18072 states. [2022-11-19 06:53:30,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18072 to 18005. [2022-11-19 06:53:30,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18005 states, 11392 states have (on average 1.3541081460674158) internal successors, (15426), 11795 states have internal predecessors, (15426), 4878 states have call successors, (4878), 1732 states have call predecessors, (4878), 1734 states have return successors, (5031), 4783 states have call predecessors, (5031), 4876 states have call successors, (5031) [2022-11-19 06:53:30,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18005 states to 18005 states and 25335 transitions. [2022-11-19 06:53:30,437 INFO L78 Accepts]: Start accepts. Automaton has 18005 states and 25335 transitions. Word has length 634 [2022-11-19 06:53:30,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:53:30,438 INFO L495 AbstractCegarLoop]: Abstraction has 18005 states and 25335 transitions. [2022-11-19 06:53:30,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 3 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (60), 4 states have call predecessors, (60), 3 states have call successors, (60) [2022-11-19 06:53:30,439 INFO L276 IsEmpty]: Start isEmpty. Operand 18005 states and 25335 transitions. [2022-11-19 06:53:30,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 648 [2022-11-19 06:53:30,469 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:53:30,470 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 27, 27, 27, 27, 27, 27, 22, 22, 21, 21, 21, 21, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:53:30,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 06:53:30,470 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:53:30,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:53:30,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1076838998, now seen corresponding path program 1 times [2022-11-19 06:53:30,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:53:30,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562791057] [2022-11-19 06:53:30,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:53:30,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:53:30,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:53:31,466 INFO L134 CoverageAnalysis]: Checked inductivity of 5064 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5047 trivial. 0 not checked. [2022-11-19 06:53:31,466 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:53:31,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562791057] [2022-11-19 06:53:31,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562791057] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:53:31,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:53:31,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:53:31,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636063156] [2022-11-19 06:53:31,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:53:31,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:53:31,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:53:31,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:53:31,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:53:31,469 INFO L87 Difference]: Start difference. First operand 18005 states and 25335 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 2 states have call successors, (67), 2 states have call predecessors, (67), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2022-11-19 06:53:33,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:53:35,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:53:35,888 INFO L93 Difference]: Finished difference Result 34544 states and 48962 transitions. [2022-11-19 06:53:35,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:53:35,889 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 2 states have call successors, (67), 2 states have call predecessors, (67), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) Word has length 647 [2022-11-19 06:53:35,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:53:36,142 INFO L225 Difference]: With dead ends: 34544 [2022-11-19 06:53:36,142 INFO L226 Difference]: Without dead ends: 18012 [2022-11-19 06:53:36,196 INFO L412 NwaCegarLoop]: 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 [2022-11-19 06:53:36,197 INFO L413 NwaCegarLoop]: 2998 mSDtfsCounter, 0 mSDsluCounter, 2995 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5993 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-19 06:53:36,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5993 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 617 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-11-19 06:53:36,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18012 states. [2022-11-19 06:53:36,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18012 to 18012. [2022-11-19 06:53:36,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18012 states, 11399 states have (on average 1.3538906921659795) internal successors, (15433), 11802 states have internal predecessors, (15433), 4878 states have call successors, (4878), 1732 states have call predecessors, (4878), 1734 states have return successors, (5031), 4783 states have call predecessors, (5031), 4876 states have call successors, (5031) [2022-11-19 06:53:37,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18012 states to 18012 states and 25342 transitions. [2022-11-19 06:53:37,255 INFO L78 Accepts]: Start accepts. Automaton has 18012 states and 25342 transitions. Word has length 647 [2022-11-19 06:53:37,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:53:37,256 INFO L495 AbstractCegarLoop]: Abstraction has 18012 states and 25342 transitions. [2022-11-19 06:53:37,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 2 states have call successors, (67), 2 states have call predecessors, (67), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2022-11-19 06:53:37,257 INFO L276 IsEmpty]: Start isEmpty. Operand 18012 states and 25342 transitions. [2022-11-19 06:53:37,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 649 [2022-11-19 06:53:37,284 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:53:37,284 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 27, 27, 27, 27, 27, 27, 22, 22, 21, 21, 21, 21, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:53:37,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 06:53:37,285 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:53:37,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:53:37,286 INFO L85 PathProgramCache]: Analyzing trace with hash -2081043723, now seen corresponding path program 1 times [2022-11-19 06:53:37,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:53:37,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777927583] [2022-11-19 06:53:37,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:53:37,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:53:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:53:38,396 INFO L134 CoverageAnalysis]: Checked inductivity of 5065 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 5047 trivial. 0 not checked. [2022-11-19 06:53:38,398 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:53:38,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777927583] [2022-11-19 06:53:38,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777927583] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:53:38,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932276988] [2022-11-19 06:53:38,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:53:38,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:53:38,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b73ed3-dc9d-476e-b792-687e867b7238/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:53:38,403 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b73ed3-dc9d-476e-b792-687e867b7238/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:53:38,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b73ed3-dc9d-476e-b792-687e867b7238/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 06:53:40,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:53:40,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 7100 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 06:53:40,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:53:41,091 INFO L134 CoverageAnalysis]: Checked inductivity of 5065 backedges. 82 proven. 1 refuted. 0 times theorem prover too weak. 4982 trivial. 0 not checked. [2022-11-19 06:53:41,092 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:53:41,786 INFO L134 CoverageAnalysis]: Checked inductivity of 5065 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 5047 trivial. 0 not checked. [2022-11-19 06:53:41,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932276988] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:53:41,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2128163171] [2022-11-19 06:53:41,821 INFO L159 IcfgInterpreter]: Started Sifa with 226 locations of interest [2022-11-19 06:53:41,821 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:53:41,826 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:53:41,831 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:53:41,832 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:53:53,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:53:53,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:53:54,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:53:54,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:53:54,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:53:55,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:53:55,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:53:55,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:53:55,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:53:56,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:53:56,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:53:56,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:53:56,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:53:56,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:53:56,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:53:56,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:53:56,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:53:56,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:53:56,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:53:56,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:53:56,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:53:57,428 INFO L217 Elim1Store]: Index analysis took 4191 ms