./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5eded06-08fb-43a1-b4d7-7b1464000891/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5eded06-08fb-43a1-b4d7-7b1464000891/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5eded06-08fb-43a1-b4d7-7b1464000891/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5eded06-08fb-43a1-b4d7-7b1464000891/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5eded06-08fb-43a1-b4d7-7b1464000891/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5eded06-08fb-43a1-b4d7-7b1464000891/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fa7a67fd083bae0f32dee6a9d6b02333e5642185d7c291c7921a10d0fe0b84f2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:04:01,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:04:01,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:04:01,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:04:01,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:04:01,094 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:04:01,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:04:01,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:04:01,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:04:01,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:04:01,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:04:01,117 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:04:01,118 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:04:01,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:04:01,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:04:01,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:04:01,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:04:01,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:04:01,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:04:01,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:04:01,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:04:01,155 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:04:01,159 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:04:01,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:04:01,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:04:01,168 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:04:01,168 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:04:01,171 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:04:01,172 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:04:01,173 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:04:01,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:04:01,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:04:01,177 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:04:01,179 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:04:01,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:04:01,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:04:01,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:04:01,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:04:01,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:04:01,183 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:04:01,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:04:01,185 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5eded06-08fb-43a1-b4d7-7b1464000891/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-21 01:04:01,214 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:04:01,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:04:01,215 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:04:01,215 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:04:01,216 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:04:01,216 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:04:01,216 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:04:01,217 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:04:01,217 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:04:01,217 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:04:01,218 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:04:01,218 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:04:01,218 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:04:01,218 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:04:01,219 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:04:01,219 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:04:01,219 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:04:01,219 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:04:01,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:04:01,220 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:04:01,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:04:01,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:04:01,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:04:01,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:04:01,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:04:01,222 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:04:01,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:04:01,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:04:01,223 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:04:01,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:04:01,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:04:01,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:04:01,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:04:01,224 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:04:01,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:04:01,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:04:01,225 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:04:01,225 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:04:01,225 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5eded06-08fb-43a1-b4d7-7b1464000891/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5eded06-08fb-43a1-b4d7-7b1464000891/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa7a67fd083bae0f32dee6a9d6b02333e5642185d7c291c7921a10d0fe0b84f2 [2021-11-21 01:04:01,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:04:01,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:04:01,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:04:01,555 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:04:01,556 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:04:01,557 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5eded06-08fb-43a1-b4d7-7b1464000891/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i [2021-11-21 01:04:01,638 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5eded06-08fb-43a1-b4d7-7b1464000891/bin/utaipan-TEXQjIfE4P/data/47a02b61d/1a28ae8d00474cf680f54a3ddf846506/FLAGbe3cb43d0 [2021-11-21 01:04:02,621 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:04:02,622 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5eded06-08fb-43a1-b4d7-7b1464000891/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i [2021-11-21 01:04:02,684 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5eded06-08fb-43a1-b4d7-7b1464000891/bin/utaipan-TEXQjIfE4P/data/47a02b61d/1a28ae8d00474cf680f54a3ddf846506/FLAGbe3cb43d0 [2021-11-21 01:04:02,979 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5eded06-08fb-43a1-b4d7-7b1464000891/bin/utaipan-TEXQjIfE4P/data/47a02b61d/1a28ae8d00474cf680f54a3ddf846506 [2021-11-21 01:04:02,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:04:02,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:04:02,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:04:02,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:04:02,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:04:02,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:04:02" (1/1) ... [2021-11-21 01:04:02,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c3f5f34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:04:02, skipping insertion in model container [2021-11-21 01:04:02,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:04:02" (1/1) ... [2021-11-21 01:04:03,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:04:03,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:04:08,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5eded06-08fb-43a1-b4d7-7b1464000891/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i[473889,473902] [2021-11-21 01:04:08,037 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5eded06-08fb-43a1-b4d7-7b1464000891/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i[474034,474047] [2021-11-21 01:04:08,058 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:04:08,141 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:04:08,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5eded06-08fb-43a1-b4d7-7b1464000891/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i[473889,473902] [2021-11-21 01:04:08,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5eded06-08fb-43a1-b4d7-7b1464000891/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i[474034,474047] [2021-11-21 01:04:08,854 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:04:09,214 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:04:09,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:04:09 WrapperNode [2021-11-21 01:04:09,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:04:09,216 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:04:09,216 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:04:09,216 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:04:09,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:04:09" (1/1) ... [2021-11-21 01:04:09,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:04:09" (1/1) ... [2021-11-21 01:04:09,634 INFO L137 Inliner]: procedures = 708, calls = 3039, calls flagged for inlining = 320, calls inlined = 256, statements flattened = 6484 [2021-11-21 01:04:09,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:04:09,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:04:09,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:04:09,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:04:09,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:04:09" (1/1) ... [2021-11-21 01:04:09,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:04:09" (1/1) ... [2021-11-21 01:04:09,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:04:09" (1/1) ... [2021-11-21 01:04:09,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:04:09" (1/1) ... [2021-11-21 01:04:09,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:04:09" (1/1) ... [2021-11-21 01:04:10,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:04:09" (1/1) ... [2021-11-21 01:04:10,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:04:09" (1/1) ... [2021-11-21 01:04:10,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:04:10,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:04:10,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:04:10,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:04:10,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:04:09" (1/1) ... [2021-11-21 01:04:10,160 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:04:10,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5eded06-08fb-43a1-b4d7-7b1464000891/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:04:10,189 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5eded06-08fb-43a1-b4d7-7b1464000891/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:04:10,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5eded06-08fb-43a1-b4d7-7b1464000891/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:04:10,250 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-21 01:04:10,250 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-21 01:04:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_u32 [2021-11-21 01:04:10,251 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_u32 [2021-11-21 01:04:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_total_size [2021-11-21 01:04:10,251 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_total_size [2021-11-21 01:04:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_count_get [2021-11-21 01:04:10,252 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_count_get [2021-11-21 01:04:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_port_list_get [2021-11-21 01:04:10,253 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_port_list_get [2021-11-21 01:04:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-21 01:04:10,253 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-21 01:04:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_option_get [2021-11-21 01:04:10,254 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_option_get [2021-11-21 01:04:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure __team_change_mode [2021-11-21 01:04:10,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_change_mode [2021-11-21 01:04:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u32 [2021-11-21 01:04:10,255 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u32 [2021-11-21 01:04:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-21 01:04:10,255 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-21 01:04:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-21 01:04:10,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-21 01:04:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure team_init [2021-11-21 01:04:10,256 INFO L138 BoogieDeclarations]: Found implementation of procedure team_init [2021-11-21 01:04:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_interval_set [2021-11-21 01:04:10,256 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_interval_set [2021-11-21 01:04:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure team_del_slave [2021-11-21 01:04:10,257 INFO L138 BoogieDeclarations]: Found implementation of procedure team_del_slave [2021-11-21 01:04:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_port_list_get [2021-11-21 01:04:10,257 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_port_list_get [2021-11-21 01:04:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_set [2021-11-21 01:04:10,257 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_set [2021-11-21 01:04:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-21 01:04:10,259 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-21 01:04:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-21 01:04:10,259 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-21 01:04:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2021-11-21 01:04:10,260 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2021-11-21 01:04:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_enabled_check [2021-11-21 01:04:10,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_enabled_check [2021-11-21 01:04:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure team_priority_option_get [2021-11-21 01:04:10,261 INFO L138 BoogieDeclarations]: Found implementation of procedure team_priority_option_get [2021-11-21 01:04:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_override_fini [2021-11-21 01:04:10,261 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_override_fini [2021-11-21 01:04:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure team_netpoll_cleanup [2021-11-21 01:04:10,262 INFO L138 BoogieDeclarations]: Found implementation of procedure team_netpoll_cleanup [2021-11-21 01:04:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_mtu [2021-11-21 01:04:10,263 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_mtu [2021-11-21 01:04:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-21 01:04:10,264 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-21 01:04:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-21 01:04:10,265 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-21 01:04:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_get_rtnl [2021-11-21 01:04:10,265 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_get_rtnl [2021-11-21 01:04:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-21 01:04:10,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-21 01:04:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_mac_address [2021-11-21 01:04:10,266 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_mac_address [2021-11-21 01:04:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_add [2021-11-21 01:04:10,267 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_add [2021-11-21 01:04:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_unicast [2021-11-21 01:04:10,268 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_unicast [2021-11-21 01:04:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_count_set [2021-11-21 01:04:10,268 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_count_set [2021-11-21 01:04:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_end [2021-11-21 01:04:10,268 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_end [2021-11-21 01:04:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure team_poll_controller [2021-11-21 01:04:10,269 INFO L138 BoogieDeclarations]: Found implementation of procedure team_poll_controller [2021-11-21 01:04:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:04:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure team_add_slave [2021-11-21 01:04:10,269 INFO L138 BoogieDeclarations]: Found implementation of procedure team_add_slave [2021-11-21 01:04:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_option [2021-11-21 01:04:10,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_option [2021-11-21 01:04:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_unregister [2021-11-21 01:04:10,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_unregister [2021-11-21 01:04:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_put [2021-11-21 01:04:10,270 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_put [2021-11-21 01:04:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-21 01:04:10,271 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-21 01:04:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_trylock [2021-11-21 01:04:10,271 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_trylock [2021-11-21 01:04:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-21 01:04:10,272 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-21 01:04:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_id_option_set [2021-11-21 01:04:10,273 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_id_option_set [2021-11-21 01:04:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure team_refresh_port_linkup [2021-11-21 01:04:10,273 INFO L138 BoogieDeclarations]: Found implementation of procedure team_refresh_port_linkup [2021-11-21 01:04:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_new [2021-11-21 01:04:10,274 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_new [2021-11-21 01:04:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure team_user_linkup_option_set [2021-11-21 01:04:10,275 INFO L138 BoogieDeclarations]: Found implementation of procedure team_user_linkup_option_set [2021-11-21 01:04:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers [2021-11-21 01:04:10,276 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers [2021-11-21 01:04:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-21 01:04:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure __team_port_change_send [2021-11-21 01:04:10,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_port_change_send [2021-11-21 01:04:10,277 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_end [2021-11-21 01:04:10,277 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_end [2021-11-21 01:04:10,277 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_del_rcu [2021-11-21 01:04:10,277 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_del_rcu [2021-11-21 01:04:10,277 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_interval_get [2021-11-21 01:04:10,278 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_interval_get [2021-11-21 01:04:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_upper_dev_unlink [2021-11-21 01:04:10,278 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_upper_dev_unlink [2021-11-21 01:04:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-21 01:04:10,279 INFO L130 BoogieDeclarations]: Found specification of procedure __team_netpoll_cleanup [2021-11-21 01:04:10,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_netpoll_cleanup [2021-11-21 01:04:10,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-21 01:04:10,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-21 01:04:10,280 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u8 [2021-11-21 01:04:10,283 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u8 [2021-11-21 01:04:10,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:04:10,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-21 01:04:10,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-21 01:04:10,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-21 01:04:10,284 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-21 01:04:10,284 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_option_set [2021-11-21 01:04:10,285 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_option_set [2021-11-21 01:04:10,285 INFO L130 BoogieDeclarations]: Found specification of procedure __find_mode [2021-11-21 01:04:10,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_mode [2021-11-21 01:04:10,292 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_mode [2021-11-21 01:04:10,292 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_mode [2021-11-21 01:04:10,292 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-21 01:04:10,292 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-21 01:04:10,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-21 01:04:10,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-21 01:04:10,293 INFO L130 BoogieDeclarations]: Found specification of procedure team_ethtool_get_drvinfo [2021-11-21 01:04:10,293 INFO L138 BoogieDeclarations]: Found implementation of procedure team_ethtool_get_drvinfo [2021-11-21 01:04:10,293 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-21 01:04:10,293 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-21 01:04:10,293 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-21 01:04:10,294 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-21 01:04:10,294 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_put [2021-11-21 01:04:10,294 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_put [2021-11-21 01:04:10,294 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_rx_mode [2021-11-21 01:04:10,294 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_rx_mode [2021-11-21 01:04:10,294 INFO L130 BoogieDeclarations]: Found specification of procedure team_setup [2021-11-21 01:04:10,295 INFO L138 BoogieDeclarations]: Found implementation of procedure team_setup [2021-11-21 01:04:10,295 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_index_hash [2021-11-21 01:04:10,295 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_index_hash [2021-11-21 01:04:10,295 INFO L130 BoogieDeclarations]: Found specification of procedure genl_info_net [2021-11-21 01:04:10,295 INFO L138 BoogieDeclarations]: Found implementation of procedure genl_info_net [2021-11-21 01:04:10,295 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-11-21 01:04:10,296 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-11-21 01:04:10,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:04:10,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-21 01:04:10,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-21 01:04:10,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-21 01:04:10,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-21 01:04:10,296 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-21 01:04:10,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-21 01:04:10,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:04:10,297 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_fini [2021-11-21 01:04:10,297 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_fini [2021-11-21 01:04:10,297 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-21 01:04:10,297 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-21 01:04:10,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-21 01:04:10,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-21 01:04:10,298 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_port [2021-11-21 01:04:10,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_port [2021-11-21 01:04:10,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:04:10,299 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-21 01:04:10,299 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 01:04:10,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 01:04:10,300 INFO L130 BoogieDeclarations]: Found specification of procedure team_user_linkup_en_option_get [2021-11-21 01:04:10,300 INFO L138 BoogieDeclarations]: Found implementation of procedure team_user_linkup_en_option_get [2021-11-21 01:04:10,300 INFO L130 BoogieDeclarations]: Found specification of procedure read_pnet [2021-11-21 01:04:10,300 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pnet [2021-11-21 01:04:10,300 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_en_option_set [2021-11-21 01:04:10,301 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_en_option_set [2021-11-21 01:04:10,301 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-21 01:04:10,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-21 01:04:10,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-21 01:04:10,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-21 01:04:10,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-21 01:04:10,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-21 01:04:10,302 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable [2021-11-21 01:04:10,302 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable [2021-11-21 01:04:10,303 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_set [2021-11-21 01:04:10,303 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_set [2021-11-21 01:04:10,303 INFO L130 BoogieDeclarations]: Found specification of procedure team_adjust_ops [2021-11-21 01:04:10,303 INFO L138 BoogieDeclarations]: Found implementation of procedure team_adjust_ops [2021-11-21 01:04:10,303 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_rx_handler_unregister [2021-11-21 01:04:10,303 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_rx_handler_unregister [2021-11-21 01:04:10,304 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-21 01:04:10,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-21 01:04:10,304 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-21 01:04:10,304 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-21 01:04:10,304 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_id_option_get [2021-11-21 01:04:10,304 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_id_option_get [2021-11-21 01:04:10,305 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_del [2021-11-21 01:04:10,305 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_del [2021-11-21 01:04:10,305 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-11-21 01:04:10,305 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-11-21 01:04:10,305 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_vids_del_by_dev [2021-11-21 01:04:10,305 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_vids_del_by_dev [2021-11-21 01:04:10,305 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin [2021-11-21 01:04:10,306 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin [2021-11-21 01:04:10,306 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_interval_get [2021-11-21 01:04:10,306 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_interval_get [2021-11-21 01:04:10,306 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-11-21 01:04:10,306 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-11-21 01:04:10,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:04:10,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:04:10,307 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_noop [2021-11-21 01:04:10,307 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_noop [2021-11-21 01:04:10,307 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_fini [2021-11-21 01:04:10,307 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_fini [2021-11-21 01:04:10,307 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_orig_dev_addr [2021-11-21 01:04:10,307 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_orig_dev_addr [2021-11-21 01:04:10,308 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_port_get [2021-11-21 01:04:10,308 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_port_get [2021-11-21 01:04:10,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdevice_notifier [2021-11-21 01:04:10,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdevice_notifier [2021-11-21 01:04:10,308 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_register [2021-11-21 01:04:10,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_register [2021-11-21 01:04:10,308 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_change_check [2021-11-21 01:04:10,309 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_change_check [2021-11-21 01:04:10,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-21 01:04:10,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-21 01:04:10,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-21 01:04:10,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-21 01:04:10,309 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-21 01:04:10,310 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-21 01:04:10,310 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_register [2021-11-21 01:04:10,310 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_register [2021-11-21 01:04:10,310 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-21 01:04:10,310 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-21 01:04:10,310 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_trim [2021-11-21 01:04:10,310 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_trim [2021-11-21 01:04:10,311 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_put [2021-11-21 01:04:10,311 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_put [2021-11-21 01:04:10,311 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_option [2021-11-21 01:04:10,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_option [2021-11-21 01:04:10,311 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-21 01:04:10,311 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_rcu [2021-11-21 01:04:10,312 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_rcu [2021-11-21 01:04:10,316 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_cancel [2021-11-21 01:04:10,316 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_cancel [2021-11-21 01:04:10,316 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-21 01:04:10,316 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-21 01:04:10,317 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_notifier [2021-11-21 01:04:10,317 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_notifier [2021-11-21 01:04:10,317 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_team_dev_addr [2021-11-21 01:04:10,317 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_team_dev_addr [2021-11-21 01:04:10,317 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-21 01:04:10,319 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-21 01:04:10,319 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_add_head_rcu [2021-11-21 01:04:10,319 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_add_head_rcu [2021-11-21 01:04:10,319 INFO L130 BoogieDeclarations]: Found specification of procedure __team_carrier_check [2021-11-21 01:04:10,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_carrier_check [2021-11-21 01:04:10,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:04:10,320 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:04:10,320 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_start [2021-11-21 01:04:10,320 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_start [2021-11-21 01:04:10,320 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_get [2021-11-21 01:04:10,320 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_get [2021-11-21 01:04:10,320 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_en_option_get [2021-11-21 01:04:10,320 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_en_option_get [2021-11-21 01:04:10,321 INFO L130 BoogieDeclarations]: Found specification of procedure nla_len [2021-11-21 01:04:10,321 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_len [2021-11-21 01:04:10,321 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net [2021-11-21 01:04:10,321 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net [2021-11-21 01:04:10,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:04:10,321 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-21 01:04:10,322 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-21 01:04:10,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_team_module_exit_24_2 [2021-11-21 01:04:10,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_team_module_exit_24_2 [2021-11-21 01:04:10,322 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable_netpoll [2021-11-21 01:04:10,322 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable_netpoll [2021-11-21 01:04:10,322 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_del [2021-11-21 01:04:10,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_del [2021-11-21 01:04:10,323 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-21 01:04:10,323 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-21 01:04:10,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:04:10,323 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-11-21 01:04:10,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-11-21 01:04:10,323 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail_rcu [2021-11-21 01:04:10,323 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail_rcu [2021-11-21 01:04:10,324 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_get [2021-11-21 01:04:10,324 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_get [2021-11-21 01:04:10,324 INFO L130 BoogieDeclarations]: Found specification of procedure team_user_linkup_en_option_set [2021-11-21 01:04:10,324 INFO L138 BoogieDeclarations]: Found implementation of procedure team_user_linkup_en_option_set [2021-11-21 01:04:10,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 01:04:10,324 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enabled [2021-11-21 01:04:10,324 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enabled [2021-11-21 01:04:10,325 INFO L130 BoogieDeclarations]: Found specification of procedure __team_find_option [2021-11-21 01:04:10,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_find_option [2021-11-21 01:04:10,325 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2021-11-21 01:04:10,325 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2021-11-21 01:04:10,325 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-21 01:04:10,325 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-21 01:04:10,325 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-21 01:04:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-21 01:04:10,326 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-21 01:04:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-21 01:04:10,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-21 01:04:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-21 01:04:10,326 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-21 01:04:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-21 01:04:10,327 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_option_get [2021-11-21 01:04:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_option_get [2021-11-21 01:04:10,327 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_interval_set [2021-11-21 01:04:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_interval_set [2021-11-21 01:04:10,327 INFO L130 BoogieDeclarations]: Found specification of procedure team_is_mode_set [2021-11-21 01:04:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure team_is_mode_set [2021-11-21 01:04:10,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-21 01:04:10,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-21 01:04:10,328 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_change_check [2021-11-21 01:04:10,328 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_change_check [2021-11-21 01:04:10,328 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-21 01:04:10,328 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-21 01:04:10,328 INFO L130 BoogieDeclarations]: Found specification of procedure call_netdevice_notifiers [2021-11-21 01:04:10,329 INFO L138 BoogieDeclarations]: Found implementation of procedure call_netdevice_notifiers [2021-11-21 01:04:10,329 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2021-11-21 01:04:10,329 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2021-11-21 01:04:10,329 INFO L130 BoogieDeclarations]: Found specification of procedure __team_compute_features [2021-11-21 01:04:10,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_compute_features [2021-11-21 01:04:10,329 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_leave [2021-11-21 01:04:10,329 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_leave [2021-11-21 01:04:10,330 INFO L130 BoogieDeclarations]: Found specification of procedure __send_and_alloc_skb [2021-11-21 01:04:10,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __send_and_alloc_skb [2021-11-21 01:04:10,330 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_count_set [2021-11-21 01:04:10,330 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_count_set [2021-11-21 01:04:10,330 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_put [2021-11-21 01:04:10,330 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_put [2021-11-21 01:04:10,330 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-21 01:04:10,331 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-21 01:04:10,331 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-11-21 01:04:10,331 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-11-21 01:04:10,331 INFO L130 BoogieDeclarations]: Found specification of procedure __team_get_qom_list [2021-11-21 01:04:10,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_get_qom_list [2021-11-21 01:04:10,331 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-21 01:04:10,331 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-21 01:04:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_cancel [2021-11-21 01:04:10,332 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_cancel [2021-11-21 01:04:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:04:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_get [2021-11-21 01:04:10,332 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_get [2021-11-21 01:04:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del [2021-11-21 01:04:10,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del [2021-11-21 01:04:10,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-21 01:04:10,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-21 01:04:10,333 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_options_get [2021-11-21 01:04:10,333 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_options_get [2021-11-21 01:04:10,333 INFO L130 BoogieDeclarations]: Found specification of procedure team_priority_option_set [2021-11-21 01:04:10,333 INFO L138 BoogieDeclarations]: Found implementation of procedure team_priority_option_set [2021-11-21 01:04:10,334 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_increment_features [2021-11-21 01:04:10,334 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_increment_features [2021-11-21 01:04:10,334 INFO L130 BoogieDeclarations]: Found specification of procedure team_open [2021-11-21 01:04:10,334 INFO L138 BoogieDeclarations]: Found implementation of procedure team_open [2021-11-21 01:04:10,334 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2021-11-21 01:04:10,334 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2021-11-21 01:04:10,334 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_port [2021-11-21 01:04:10,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_port [2021-11-21 01:04:10,335 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_add [2021-11-21 01:04:10,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_add [2021-11-21 01:04:10,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_90 [2021-11-21 01:04:10,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_90 [2021-11-21 01:04:10,335 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_change_check [2021-11-21 01:04:10,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_change_check [2021-11-21 01:04:10,336 INFO L130 BoogieDeclarations]: Found specification of procedure __set_port_dev_addr [2021-11-21 01:04:10,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_port_dev_addr [2021-11-21 01:04:10,336 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2021-11-21 01:04:10,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2021-11-21 01:04:10,336 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-11-21 01:04:10,336 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-11-21 01:04:10,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_91 [2021-11-21 01:04:10,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_91 [2021-11-21 01:04:10,337 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-21 01:04:10,337 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-21 01:04:10,337 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2021-11-21 01:04:10,337 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2021-11-21 01:04:10,337 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_count_get [2021-11-21 01:04:10,338 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_count_get [2021-11-21 01:04:10,338 INFO L130 BoogieDeclarations]: Found specification of procedure team_validate [2021-11-21 01:04:10,338 INFO L138 BoogieDeclarations]: Found implementation of procedure team_validate [2021-11-21 01:04:10,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-21 01:04:10,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-21 01:04:10,338 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_free [2021-11-21 01:04:10,338 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_free [2021-11-21 01:04:10,339 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-21 01:04:10,339 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-21 01:04:10,339 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable [2021-11-21 01:04:10,339 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable [2021-11-21 01:04:10,339 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-21 01:04:10,339 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-21 01:04:10,340 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_no_mode [2021-11-21 01:04:10,340 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_no_mode [2021-11-21 01:04:10,340 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_flag [2021-11-21 01:04:10,340 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_flag [2021-11-21 01:04:10,340 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-21 01:04:10,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-21 01:04:10,340 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable_netpoll [2021-11-21 01:04:10,341 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable_netpoll [2021-11-21 01:04:10,341 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enter [2021-11-21 01:04:10,341 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enter [2021-11-21 01:04:10,341 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-11-21 01:04:10,341 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-11-21 01:04:10,341 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-21 01:04:10,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_rx_handler_unregister [2021-11-21 01:04:10,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_rx_handler_unregister [2021-11-21 01:04:10,342 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_string [2021-11-21 01:04:10,342 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_string [2021-11-21 01:04:10,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:04:10,342 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-21 01:04:10,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-21 01:04:10,343 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_event_options_get [2021-11-21 01:04:10,343 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_event_options_get [2021-11-21 01:04:10,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-21 01:04:10,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-21 01:04:10,343 INFO L130 BoogieDeclarations]: Found specification of procedure team_close [2021-11-21 01:04:10,343 INFO L138 BoogieDeclarations]: Found implementation of procedure team_close [2021-11-21 01:04:10,343 INFO L130 BoogieDeclarations]: Found specification of procedure team_uninit [2021-11-21 01:04:10,343 INFO L138 BoogieDeclarations]: Found implementation of procedure team_uninit [2021-11-21 01:04:10,344 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add [2021-11-21 01:04:10,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add [2021-11-21 01:04:10,344 INFO L130 BoogieDeclarations]: Found specification of procedure team_user_linkup_option_get [2021-11-21 01:04:10,344 INFO L138 BoogieDeclarations]: Found implementation of procedure team_user_linkup_option_get [2021-11-21 01:04:11,546 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:04:11,554 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:04:11,883 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-21 01:04:17,593 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-21 01:04:17,729 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:04:19,590 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:04:19,590 INFO L301 CfgBuilder]: Removed 12 assume(true) statements. [2021-11-21 01:04:19,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:04:19 BoogieIcfgContainer [2021-11-21 01:04:19,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:04:19,598 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:04:19,598 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:04:19,602 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:04:19,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:04:02" (1/3) ... [2021-11-21 01:04:19,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@129c873f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:04:19, skipping insertion in model container [2021-11-21 01:04:19,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:04:09" (2/3) ... [2021-11-21 01:04:19,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@129c873f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:04:19, skipping insertion in model container [2021-11-21 01:04:19,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:04:19" (3/3) ... [2021-11-21 01:04:19,605 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i [2021-11-21 01:04:19,611 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:04:19,612 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 01:04:19,679 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:04:19,686 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 01:04:19,687 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 01:04:19,755 INFO L276 IsEmpty]: Start isEmpty. Operand has 2220 states, 1365 states have (on average 1.3501831501831503) internal successors, (1843), 1403 states have internal predecessors, (1843), 655 states have call successors, (655), 200 states have call predecessors, (655), 199 states have return successors, (649), 642 states have call predecessors, (649), 649 states have call successors, (649) [2021-11-21 01:04:19,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2021-11-21 01:04:19,854 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:04:19,855 INFO L514 BasicCegarLoop]: trace histogram [43, 42, 42, 42, 42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:04:19,856 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:04:19,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:04:19,862 INFO L85 PathProgramCache]: Analyzing trace with hash -868692311, now seen corresponding path program 1 times [2021-11-21 01:04:19,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:04:19,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807889989] [2021-11-21 01:04:19,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:04:19,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:04:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:04:21,057 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6972 trivial. 0 not checked. [2021-11-21 01:04:21,079 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:04:21,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807889989] [2021-11-21 01:04:21,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807889989] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:04:21,080 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:04:21,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:04:21,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109368094] [2021-11-21 01:04:21,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:04:21,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:04:21,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:04:21,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:04:21,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:04:21,163 INFO L87 Difference]: Start difference. First operand has 2220 states, 1365 states have (on average 1.3501831501831503) internal successors, (1843), 1403 states have internal predecessors, (1843), 655 states have call successors, (655), 200 states have call predecessors, (655), 199 states have return successors, (649), 642 states have call predecessors, (649), 649 states have call successors, (649) Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-21 01:04:24,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:04:24,002 INFO L93 Difference]: Finished difference Result 6469 states and 9306 transitions. [2021-11-21 01:04:24,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:04:24,005 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 448 [2021-11-21 01:04:24,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:04:24,081 INFO L225 Difference]: With dead ends: 6469 [2021-11-21 01:04:24,082 INFO L226 Difference]: Without dead ends: 4257 [2021-11-21 01:04:24,109 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:04:24,117 INFO L933 BasicCegarLoop]: 3372 mSDtfsCounter, 2990 mSDsluCounter, 3124 mSDsCounter, 0 mSdLazyCounter, 824 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2990 SdHoareTripleChecker+Valid, 6100 SdHoareTripleChecker+Invalid, 829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-21 01:04:24,120 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2990 Valid, 6100 Invalid, 829 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 824 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-21 01:04:24,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4257 states. [2021-11-21 01:04:24,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4257 to 4253. [2021-11-21 01:04:24,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4253 states, 2657 states have (on average 1.350771546857358) internal successors, (3589), 2733 states have internal predecessors, (3589), 1201 states have call successors, (1201), 394 states have call predecessors, (1201), 394 states have return successors, (1201), 1185 states have call predecessors, (1201), 1201 states have call successors, (1201) [2021-11-21 01:04:24,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4253 states to 4253 states and 5991 transitions. [2021-11-21 01:04:24,539 INFO L78 Accepts]: Start accepts. Automaton has 4253 states and 5991 transitions. Word has length 448 [2021-11-21 01:04:24,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:04:24,544 INFO L470 AbstractCegarLoop]: Abstraction has 4253 states and 5991 transitions. [2021-11-21 01:04:24,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-21 01:04:24,546 INFO L276 IsEmpty]: Start isEmpty. Operand 4253 states and 5991 transitions. [2021-11-21 01:04:24,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2021-11-21 01:04:24,566 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:04:24,567 INFO L514 BasicCegarLoop]: trace histogram [44, 42, 42, 42, 42, 42, 42, 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] [2021-11-21 01:04:24,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:04:24,568 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:04:24,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:04:24,569 INFO L85 PathProgramCache]: Analyzing trace with hash 841966645, now seen corresponding path program 1 times [2021-11-21 01:04:24,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:04:24,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371974998] [2021-11-21 01:04:24,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:04:24,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:04:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:04:25,031 INFO L134 CoverageAnalysis]: Checked inductivity of 7061 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7058 trivial. 0 not checked. [2021-11-21 01:04:25,032 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:04:25,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371974998] [2021-11-21 01:04:25,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371974998] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:04:25,033 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:04:25,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:04:25,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432446857] [2021-11-21 01:04:25,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:04:25,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:04:25,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:04:25,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:04:25,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:04:25,037 INFO L87 Difference]: Start difference. First operand 4253 states and 5991 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2021-11-21 01:04:27,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:04:27,739 INFO L93 Difference]: Finished difference Result 10456 states and 14713 transitions. [2021-11-21 01:04:27,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:04:27,740 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 467 [2021-11-21 01:04:27,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:04:27,813 INFO L225 Difference]: With dead ends: 10456 [2021-11-21 01:04:27,813 INFO L226 Difference]: Without dead ends: 6288 [2021-11-21 01:04:27,835 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:04:27,837 INFO L933 BasicCegarLoop]: 3229 mSDtfsCounter, 2884 mSDsluCounter, 2991 mSDsCounter, 0 mSdLazyCounter, 826 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2884 SdHoareTripleChecker+Valid, 5838 SdHoareTripleChecker+Invalid, 834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:04:27,838 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2884 Valid, 5838 Invalid, 834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 826 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-21 01:04:27,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6288 states. [2021-11-21 01:04:28,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6288 to 6286. [2021-11-21 01:04:28,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6286 states, 3937 states have (on average 1.3517907035814072) internal successors, (5322), 4049 states have internal predecessors, (5322), 1759 states have call successors, (1759), 589 states have call predecessors, (1759), 589 states have return successors, (1759), 1736 states have call predecessors, (1759), 1759 states have call successors, (1759) [2021-11-21 01:04:28,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6286 states to 6286 states and 8840 transitions. [2021-11-21 01:04:28,261 INFO L78 Accepts]: Start accepts. Automaton has 6286 states and 8840 transitions. Word has length 467 [2021-11-21 01:04:28,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:04:28,267 INFO L470 AbstractCegarLoop]: Abstraction has 6286 states and 8840 transitions. [2021-11-21 01:04:28,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2021-11-21 01:04:28,267 INFO L276 IsEmpty]: Start isEmpty. Operand 6286 states and 8840 transitions. [2021-11-21 01:04:28,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2021-11-21 01:04:28,284 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:04:28,284 INFO L514 BasicCegarLoop]: trace histogram [43, 42, 42, 42, 42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:04:28,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 01:04:28,285 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:04:28,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:04:28,286 INFO L85 PathProgramCache]: Analyzing trace with hash 285284582, now seen corresponding path program 1 times [2021-11-21 01:04:28,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:04:28,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628459398] [2021-11-21 01:04:28,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:04:28,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:04:28,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:04:28,789 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6972 trivial. 0 not checked. [2021-11-21 01:04:28,789 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:04:28,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628459398] [2021-11-21 01:04:28,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628459398] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:04:28,790 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:04:28,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:04:28,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130715727] [2021-11-21 01:04:28,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:04:28,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:04:28,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:04:28,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:04:28,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:04:28,797 INFO L87 Difference]: Start difference. First operand 6286 states and 8840 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2021-11-21 01:04:31,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:04:31,052 INFO L93 Difference]: Finished difference Result 12479 states and 17538 transitions. [2021-11-21 01:04:31,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:04:31,052 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 471 [2021-11-21 01:04:31,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:04:31,111 INFO L225 Difference]: With dead ends: 12479 [2021-11-21 01:04:31,112 INFO L226 Difference]: Without dead ends: 6278 [2021-11-21 01:04:31,143 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:04:31,147 INFO L933 BasicCegarLoop]: 3268 mSDtfsCounter, 2904 mSDsluCounter, 3052 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2904 SdHoareTripleChecker+Valid, 5926 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-21 01:04:31,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2904 Valid, 5926 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 817 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-21 01:04:31,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6278 states. [2021-11-21 01:04:31,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6278 to 6274. [2021-11-21 01:04:31,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6274 states, 3931 states have (on average 1.3502925464258457) internal successors, (5308), 4043 states have internal predecessors, (5308), 1753 states have call successors, (1753), 589 states have call predecessors, (1753), 589 states have return successors, (1753), 1730 states have call predecessors, (1753), 1753 states have call successors, (1753) [2021-11-21 01:04:31,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6274 states to 6274 states and 8814 transitions. [2021-11-21 01:04:31,583 INFO L78 Accepts]: Start accepts. Automaton has 6274 states and 8814 transitions. Word has length 471 [2021-11-21 01:04:31,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:04:31,584 INFO L470 AbstractCegarLoop]: Abstraction has 6274 states and 8814 transitions. [2021-11-21 01:04:31,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2021-11-21 01:04:31,585 INFO L276 IsEmpty]: Start isEmpty. Operand 6274 states and 8814 transitions. [2021-11-21 01:04:31,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2021-11-21 01:04:31,599 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:04:31,599 INFO L514 BasicCegarLoop]: trace histogram [43, 42, 42, 42, 42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:04:31,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-21 01:04:31,600 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:04:31,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:04:31,600 INFO L85 PathProgramCache]: Analyzing trace with hash 2139055605, now seen corresponding path program 1 times [2021-11-21 01:04:31,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:04:31,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866227686] [2021-11-21 01:04:31,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:04:31,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:04:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:04:32,104 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6972 trivial. 0 not checked. [2021-11-21 01:04:32,104 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:04:32,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866227686] [2021-11-21 01:04:32,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866227686] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:04:32,105 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:04:32,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 01:04:32,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869914523] [2021-11-21 01:04:32,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:04:32,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 01:04:32,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:04:32,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 01:04:32,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:04:32,109 INFO L87 Difference]: Start difference. First operand 6274 states and 8814 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2021-11-21 01:04:42,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:04:42,353 INFO L93 Difference]: Finished difference Result 14547 states and 20425 transitions. [2021-11-21 01:04:42,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 01:04:42,354 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 476 [2021-11-21 01:04:42,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:04:42,443 INFO L225 Difference]: With dead ends: 14547 [2021-11-21 01:04:42,444 INFO L226 Difference]: Without dead ends: 8358 [2021-11-21 01:04:42,482 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:04:42,486 INFO L933 BasicCegarLoop]: 3740 mSDtfsCounter, 7151 mSDsluCounter, 7139 mSDsCounter, 0 mSdLazyCounter, 4745 mSolverCounterSat, 1154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7240 SdHoareTripleChecker+Valid, 9703 SdHoareTripleChecker+Invalid, 5899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1154 IncrementalHoareTripleChecker+Valid, 4745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:04:42,488 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7240 Valid, 9703 Invalid, 5899 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1154 Valid, 4745 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2021-11-21 01:04:42,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8358 states. [2021-11-21 01:04:43,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8358 to 8345. [2021-11-21 01:04:43,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8345 states, 5231 states have (on average 1.3507933473523226) internal successors, (7066), 5382 states have internal predecessors, (7066), 2325 states have call successors, (2325), 788 states have call predecessors, (2325), 788 states have return successors, (2325), 2293 states have call predecessors, (2325), 2325 states have call successors, (2325) [2021-11-21 01:04:43,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8345 states to 8345 states and 11716 transitions. [2021-11-21 01:04:43,076 INFO L78 Accepts]: Start accepts. Automaton has 8345 states and 11716 transitions. Word has length 476 [2021-11-21 01:04:43,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:04:43,078 INFO L470 AbstractCegarLoop]: Abstraction has 8345 states and 11716 transitions. [2021-11-21 01:04:43,078 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2021-11-21 01:04:43,079 INFO L276 IsEmpty]: Start isEmpty. Operand 8345 states and 11716 transitions. [2021-11-21 01:04:43,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2021-11-21 01:04:43,095 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:04:43,095 INFO L514 BasicCegarLoop]: trace histogram [43, 42, 42, 42, 42, 42, 42, 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] [2021-11-21 01:04:43,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-21 01:04:43,096 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:04:43,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:04:43,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1402800202, now seen corresponding path program 1 times [2021-11-21 01:04:43,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:04:43,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149077899] [2021-11-21 01:04:43,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:04:43,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:04:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:04:43,522 INFO L134 CoverageAnalysis]: Checked inductivity of 6974 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6974 trivial. 0 not checked. [2021-11-21 01:04:43,522 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:04:43,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149077899] [2021-11-21 01:04:43,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149077899] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:04:43,522 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:04:43,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:04:43,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239506402] [2021-11-21 01:04:43,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:04:43,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:04:43,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:04:43,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:04:43,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:04:43,525 INFO L87 Difference]: Start difference. First operand 8345 states and 11716 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2021-11-21 01:04:45,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:04:45,989 INFO L93 Difference]: Finished difference Result 24617 states and 34810 transitions. [2021-11-21 01:04:45,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:04:45,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 476 [2021-11-21 01:04:45,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:04:46,117 INFO L225 Difference]: With dead ends: 24617 [2021-11-21 01:04:46,117 INFO L226 Difference]: Without dead ends: 16357 [2021-11-21 01:04:46,165 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:04:46,166 INFO L933 BasicCegarLoop]: 3301 mSDtfsCounter, 2882 mSDsluCounter, 3060 mSDsCounter, 0 mSdLazyCounter, 830 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2882 SdHoareTripleChecker+Valid, 5971 SdHoareTripleChecker+Invalid, 837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:04:46,166 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2882 Valid, 5971 Invalid, 837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 830 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-21 01:04:46,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16357 states. [2021-11-21 01:04:47,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16357 to 16343. [2021-11-21 01:04:47,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16343 states, 10218 states have (on average 1.3442943824623215) internal successors, (13736), 10528 states have internal predecessors, (13736), 4556 states have call successors, (4556), 1572 states have call predecessors, (4556), 1568 states have return successors, (4896), 4480 states have call predecessors, (4896), 4556 states have call successors, (4896) [2021-11-21 01:04:47,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16343 states to 16343 states and 23188 transitions. [2021-11-21 01:04:47,190 INFO L78 Accepts]: Start accepts. Automaton has 16343 states and 23188 transitions. Word has length 476 [2021-11-21 01:04:47,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:04:47,191 INFO L470 AbstractCegarLoop]: Abstraction has 16343 states and 23188 transitions. [2021-11-21 01:04:47,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2021-11-21 01:04:47,191 INFO L276 IsEmpty]: Start isEmpty. Operand 16343 states and 23188 transitions. [2021-11-21 01:04:47,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2021-11-21 01:04:47,205 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:04:47,205 INFO L514 BasicCegarLoop]: trace histogram [43, 42, 42, 42, 42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:04:47,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-21 01:04:47,206 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:04:47,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:04:47,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1265583749, now seen corresponding path program 1 times [2021-11-21 01:04:47,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:04:47,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222081501] [2021-11-21 01:04:47,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:04:47,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:04:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:04:47,566 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6972 trivial. 0 not checked. [2021-11-21 01:04:47,567 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:04:47,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222081501] [2021-11-21 01:04:47,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222081501] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:04:47,567 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:04:47,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:04:47,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239390373] [2021-11-21 01:04:47,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:04:47,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:04:47,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:04:47,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:04:47,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:04:47,570 INFO L87 Difference]: Start difference. First operand 16343 states and 23188 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2021-11-21 01:04:50,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:04:50,204 INFO L93 Difference]: Finished difference Result 32583 states and 46214 transitions. [2021-11-21 01:04:50,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:04:50,205 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 484 [2021-11-21 01:04:50,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:04:50,306 INFO L225 Difference]: With dead ends: 32583 [2021-11-21 01:04:50,306 INFO L226 Difference]: Without dead ends: 16325 [2021-11-21 01:04:50,379 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:04:50,380 INFO L933 BasicCegarLoop]: 3938 mSDtfsCounter, 2877 mSDsluCounter, 3052 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2877 SdHoareTripleChecker+Valid, 6596 SdHoareTripleChecker+Invalid, 915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:04:50,380 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2877 Valid, 6596 Invalid, 915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-21 01:04:50,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16325 states. [2021-11-21 01:04:51,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16325 to 16319. [2021-11-21 01:04:51,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16319 states, 10206 states have (on average 1.3431314912796395) internal successors, (13708), 10516 states have internal predecessors, (13708), 4544 states have call successors, (4544), 1572 states have call predecessors, (4544), 1568 states have return successors, (4880), 4468 states have call predecessors, (4880), 4544 states have call successors, (4880) [2021-11-21 01:04:51,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16319 states to 16319 states and 23132 transitions. [2021-11-21 01:04:51,418 INFO L78 Accepts]: Start accepts. Automaton has 16319 states and 23132 transitions. Word has length 484 [2021-11-21 01:04:51,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:04:51,420 INFO L470 AbstractCegarLoop]: Abstraction has 16319 states and 23132 transitions. [2021-11-21 01:04:51,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2021-11-21 01:04:51,420 INFO L276 IsEmpty]: Start isEmpty. Operand 16319 states and 23132 transitions. [2021-11-21 01:04:51,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2021-11-21 01:04:51,432 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:04:51,433 INFO L514 BasicCegarLoop]: trace histogram [43, 42, 42, 42, 42, 42, 42, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:04:51,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-21 01:04:51,433 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:04:51,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:04:51,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1587395244, now seen corresponding path program 1 times [2021-11-21 01:04:51,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:04:51,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400025292] [2021-11-21 01:04:51,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:04:51,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:04:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:04:51,876 INFO L134 CoverageAnalysis]: Checked inductivity of 6981 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6981 trivial. 0 not checked. [2021-11-21 01:04:51,876 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:04:51,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400025292] [2021-11-21 01:04:51,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400025292] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:04:51,877 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:04:51,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:04:51,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170211810] [2021-11-21 01:04:51,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:04:51,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:04:51,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:04:51,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:04:51,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:04:51,880 INFO L87 Difference]: Start difference. First operand 16319 states and 23132 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2021-11-21 01:04:54,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:04:54,819 INFO L93 Difference]: Finished difference Result 44366 states and 62808 transitions. [2021-11-21 01:04:54,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:04:54,819 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) Word has length 508 [2021-11-21 01:04:54,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:04:54,962 INFO L225 Difference]: With dead ends: 44366 [2021-11-21 01:04:54,962 INFO L226 Difference]: Without dead ends: 28132 [2021-11-21 01:04:55,015 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:04:55,016 INFO L933 BasicCegarLoop]: 4119 mSDtfsCounter, 2830 mSDsluCounter, 3048 mSDsCounter, 0 mSdLazyCounter, 974 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2830 SdHoareTripleChecker+Valid, 6772 SdHoareTripleChecker+Invalid, 980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-21 01:04:55,016 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2830 Valid, 6772 Invalid, 980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 974 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-21 01:04:55,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28132 states. [2021-11-21 01:04:56,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28132 to 28118. [2021-11-21 01:04:56,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28118 states, 17598 states have (on average 1.342311626321173) internal successors, (23622), 18124 states have internal predecessors, (23622), 7777 states have call successors, (7777), 2755 states have call predecessors, (7777), 2742 states have return successors, (8359), 7624 states have call predecessors, (8359), 7777 states have call successors, (8359) [2021-11-21 01:04:56,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28118 states to 28118 states and 39758 transitions. [2021-11-21 01:04:56,538 INFO L78 Accepts]: Start accepts. Automaton has 28118 states and 39758 transitions. Word has length 508 [2021-11-21 01:04:56,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:04:56,539 INFO L470 AbstractCegarLoop]: Abstraction has 28118 states and 39758 transitions. [2021-11-21 01:04:56,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2021-11-21 01:04:56,540 INFO L276 IsEmpty]: Start isEmpty. Operand 28118 states and 39758 transitions. [2021-11-21 01:04:56,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2021-11-21 01:04:56,553 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:04:56,554 INFO L514 BasicCegarLoop]: trace histogram [43, 42, 42, 42, 42, 42, 42, 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] [2021-11-21 01:04:56,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-21 01:04:56,554 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:04:56,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:04:56,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1284860737, now seen corresponding path program 1 times [2021-11-21 01:04:56,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:04:56,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124980405] [2021-11-21 01:04:56,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:04:56,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:04:56,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:04:57,475 INFO L134 CoverageAnalysis]: Checked inductivity of 6979 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6979 trivial. 0 not checked. [2021-11-21 01:04:57,475 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:04:57,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124980405] [2021-11-21 01:04:57,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124980405] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:04:57,476 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:04:57,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:04:57,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493076934] [2021-11-21 01:04:57,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:04:57,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:04:57,478 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:04:57,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:04:57,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:04:57,478 INFO L87 Difference]: Start difference. First operand 28118 states and 39758 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2021-11-21 01:05:00,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:05:00,970 INFO L93 Difference]: Finished difference Result 76888 states and 108712 transitions. [2021-11-21 01:05:00,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:05:00,970 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) Word has length 517 [2021-11-21 01:05:00,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:05:01,244 INFO L225 Difference]: With dead ends: 76888 [2021-11-21 01:05:01,244 INFO L226 Difference]: Without dead ends: 48855 [2021-11-21 01:05:01,333 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:05:01,334 INFO L933 BasicCegarLoop]: 3737 mSDtfsCounter, 2903 mSDsluCounter, 3047 mSDsCounter, 0 mSdLazyCounter, 930 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2903 SdHoareTripleChecker+Valid, 6389 SdHoareTripleChecker+Invalid, 937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 930 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:05:01,335 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2903 Valid, 6389 Invalid, 937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 930 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-21 01:05:01,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48855 states. [2021-11-21 01:05:03,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48855 to 48829. [2021-11-21 01:05:03,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48829 states, 30565 states have (on average 1.342417798135122) internal successors, (41031), 31517 states have internal predecessors, (41031), 13484 states have call successors, (13484), 4803 states have call predecessors, (13484), 4779 states have return successors, (14476), 13187 states have call predecessors, (14476), 13484 states have call successors, (14476) [2021-11-21 01:05:04,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48829 states to 48829 states and 68991 transitions. [2021-11-21 01:05:04,100 INFO L78 Accepts]: Start accepts. Automaton has 48829 states and 68991 transitions. Word has length 517 [2021-11-21 01:05:04,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:05:04,101 INFO L470 AbstractCegarLoop]: Abstraction has 48829 states and 68991 transitions. [2021-11-21 01:05:04,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2021-11-21 01:05:04,102 INFO L276 IsEmpty]: Start isEmpty. Operand 48829 states and 68991 transitions. [2021-11-21 01:05:04,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2021-11-21 01:05:04,117 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:05:04,117 INFO L514 BasicCegarLoop]: trace histogram [47, 42, 42, 42, 42, 42, 42, 4, 4, 3, 3, 3, 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] [2021-11-21 01:05:04,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-21 01:05:04,118 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:05:04,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:05:04,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1025488083, now seen corresponding path program 1 times [2021-11-21 01:05:04,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:05:04,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984779638] [2021-11-21 01:05:04,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:05:04,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:05:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:05:04,456 INFO L134 CoverageAnalysis]: Checked inductivity of 7364 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 7357 trivial. 0 not checked. [2021-11-21 01:05:04,456 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:05:04,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984779638] [2021-11-21 01:05:04,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984779638] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:05:04,457 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:05:04,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:05:04,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634669630] [2021-11-21 01:05:04,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:05:04,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:05:04,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:05:04,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:05:04,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:05:04,460 INFO L87 Difference]: Start difference. First operand 48829 states and 68991 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2021-11-21 01:05:08,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:05:08,562 INFO L93 Difference]: Finished difference Result 129289 states and 182821 transitions. [2021-11-21 01:05:08,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:05:08,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 516 [2021-11-21 01:05:08,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:05:08,985 INFO L225 Difference]: With dead ends: 129289 [2021-11-21 01:05:08,986 INFO L226 Difference]: Without dead ends: 81015 [2021-11-21 01:05:09,141 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:05:09,144 INFO L933 BasicCegarLoop]: 4381 mSDtfsCounter, 2918 mSDsluCounter, 3050 mSDsCounter, 0 mSdLazyCounter, 1068 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2918 SdHoareTripleChecker+Valid, 7037 SdHoareTripleChecker+Invalid, 1072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-21 01:05:09,144 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2918 Valid, 7037 Invalid, 1072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1068 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-21 01:05:09,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81015 states. [2021-11-21 01:05:12,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81015 to 80997. [2021-11-21 01:05:12,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80997 states, 50677 states have (on average 1.3430747676460721) internal successors, (68063), 52269 states have internal predecessors, (68063), 22388 states have call successors, (22388), 7971 states have call predecessors, (22388), 7931 states have return successors, (24052), 21883 states have call predecessors, (24052), 22388 states have call successors, (24052) [2021-11-21 01:05:12,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80997 states to 80997 states and 114503 transitions. [2021-11-21 01:05:12,734 INFO L78 Accepts]: Start accepts. Automaton has 80997 states and 114503 transitions. Word has length 516 [2021-11-21 01:05:12,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:05:12,735 INFO L470 AbstractCegarLoop]: Abstraction has 80997 states and 114503 transitions. [2021-11-21 01:05:12,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2021-11-21 01:05:12,736 INFO L276 IsEmpty]: Start isEmpty. Operand 80997 states and 114503 transitions. [2021-11-21 01:05:12,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2021-11-21 01:05:12,765 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:05:12,765 INFO L514 BasicCegarLoop]: trace histogram [49, 42, 42, 42, 42, 42, 42, 4, 4, 4, 4, 4, 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] [2021-11-21 01:05:12,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-21 01:05:12,766 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:05:12,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:05:12,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1380791794, now seen corresponding path program 1 times [2021-11-21 01:05:12,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:05:12,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050322854] [2021-11-21 01:05:12,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:05:12,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:05:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:05:14,332 INFO L134 CoverageAnalysis]: Checked inductivity of 7568 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 7557 trivial. 0 not checked. [2021-11-21 01:05:14,333 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:05:14,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050322854] [2021-11-21 01:05:14,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050322854] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:05:14,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312019472] [2021-11-21 01:05:14,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:05:14,334 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:05:14,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5eded06-08fb-43a1-b4d7-7b1464000891/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:05:14,335 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5eded06-08fb-43a1-b4d7-7b1464000891/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:05:14,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5eded06-08fb-43a1-b4d7-7b1464000891/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:05:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:05:15,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 5198 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-21 01:05:15,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:05:54,916 INFO L134 CoverageAnalysis]: Checked inductivity of 7568 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7568 trivial. 0 not checked. [2021-11-21 01:05:54,916 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:05:54,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312019472] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:05:54,916 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:05:54,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2021-11-21 01:05:54,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802615361] [2021-11-21 01:05:54,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:05:54,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 01:05:54,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:05:54,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 01:05:54,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-11-21 01:05:54,919 INFO L87 Difference]: Start difference. First operand 80997 states and 114503 transitions. Second operand has 6 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (57), 1 states have call predecessors, (57), 2 states have return successors, (54), 2 states have call predecessors, (54), 1 states have call successors, (54) [2021-11-21 01:06:07,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:06:07,336 INFO L93 Difference]: Finished difference Result 145479 states and 207240 transitions. [2021-11-21 01:06:07,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 01:06:07,337 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (57), 1 states have call predecessors, (57), 2 states have return successors, (54), 2 states have call predecessors, (54), 1 states have call successors, (54) Word has length 532 [2021-11-21 01:06:07,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:06:08,029 INFO L225 Difference]: With dead ends: 145479 [2021-11-21 01:06:08,029 INFO L226 Difference]: Without dead ends: 145477 [2021-11-21 01:06:08,085 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 530 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-11-21 01:06:08,086 INFO L933 BasicCegarLoop]: 3197 mSDtfsCounter, 2296 mSDsluCounter, 12812 mSDsCounter, 0 mSdLazyCounter, 3129 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2297 SdHoareTripleChecker+Valid, 14339 SdHoareTripleChecker+Invalid, 3130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2021-11-21 01:06:08,086 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2297 Valid, 14339 Invalid, 3130 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3129 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2021-11-21 01:06:08,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145477 states. [2021-11-21 01:06:14,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145477 to 145357. [2021-11-21 01:06:14,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145357 states, 91709 states have (on average 1.3469888451515117) internal successors, (123531), 94405 states have internal predecessors, (123531), 39356 states have call successors, (39356), 14411 states have call predecessors, (39356), 14291 states have return successors, (44112), 38507 states have call predecessors, (44112), 39356 states have call successors, (44112) [2021-11-21 01:06:15,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145357 states to 145357 states and 206999 transitions. [2021-11-21 01:06:15,486 INFO L78 Accepts]: Start accepts. Automaton has 145357 states and 206999 transitions. Word has length 532 [2021-11-21 01:06:15,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:06:15,487 INFO L470 AbstractCegarLoop]: Abstraction has 145357 states and 206999 transitions. [2021-11-21 01:06:15,488 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (57), 1 states have call predecessors, (57), 2 states have return successors, (54), 2 states have call predecessors, (54), 1 states have call successors, (54) [2021-11-21 01:06:15,488 INFO L276 IsEmpty]: Start isEmpty. Operand 145357 states and 206999 transitions. [2021-11-21 01:06:15,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 585 [2021-11-21 01:06:15,572 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:06:15,573 INFO L514 BasicCegarLoop]: trace histogram [47, 42, 42, 42, 42, 42, 42, 6, 6, 3, 3, 3, 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] [2021-11-21 01:06:15,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5eded06-08fb-43a1-b4d7-7b1464000891/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:06:15,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5eded06-08fb-43a1-b4d7-7b1464000891/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-21 01:06:15,787 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:06:15,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:06:15,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1904357166, now seen corresponding path program 1 times [2021-11-21 01:06:15,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:06:15,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577808695] [2021-11-21 01:06:15,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:06:15,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:06:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:06:16,713 INFO L134 CoverageAnalysis]: Checked inductivity of 7394 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 7387 trivial. 0 not checked. [2021-11-21 01:06:16,714 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:06:16,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577808695] [2021-11-21 01:06:16,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577808695] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:06:16,714 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:06:16,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:06:16,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061536748] [2021-11-21 01:06:16,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:06:16,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:06:16,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:06:16,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:06:16,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:06:16,718 INFO L87 Difference]: Start difference. First operand 145357 states and 206999 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 3 states have call successors, (69), 2 states have call predecessors, (69), 1 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63)