./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43be482c-3151-4191-8545-a57b61819e6a/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43be482c-3151-4191-8545-a57b61819e6a/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43be482c-3151-4191-8545-a57b61819e6a/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43be482c-3151-4191-8545-a57b61819e6a/bin/utaipan-eEHZpOm5b7/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_43be482c-3151-4191-8545-a57b61819e6a/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43be482c-3151-4191-8545-a57b61819e6a/bin/utaipan-eEHZpOm5b7 --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 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:36:28,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:36:28,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:36:28,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:36:28,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:36:28,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:36:28,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:36:28,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:36:28,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:36:28,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:36:28,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:36:28,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:36:28,880 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:36:28,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:36:28,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:36:28,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:36:28,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:36:28,896 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:36:28,899 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:36:28,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:36:28,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:36:28,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:36:28,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:36:28,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:36:28,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:36:28,918 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:36:28,918 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:36:28,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:36:28,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:36:28,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:36:28,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:36:28,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:36:28,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:36:28,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:36:28,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:36:28,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:36:28,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:36:28,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:36:28,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:36:28,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:36:28,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:36:28,932 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43be482c-3151-4191-8545-a57b61819e6a/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 18:36:28,960 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:36:28,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:36:28,961 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:36:28,962 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:36:28,962 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:36:28,963 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:36:28,963 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:36:28,963 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:36:28,963 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:36:28,963 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:36:28,964 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:36:28,964 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:36:28,964 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:36:28,964 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:36:28,964 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:36:28,965 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:36:28,965 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:36:28,965 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:36:28,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:36:28,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:36:28,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:36:28,967 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:36:28,967 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:36:28,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:36:28,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:36:28,967 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:36:28,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:36:28,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:36:28,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:36:28,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:36:28,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:36:28,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:36:28,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:36:28,969 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:36:28,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:36:28,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:36:28,970 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:36:28,970 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:36:28,970 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_43be482c-3151-4191-8545-a57b61819e6a/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43be482c-3151-4191-8545-a57b61819e6a/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa7a67fd083bae0f32dee6a9d6b02333e5642185d7c291c7921a10d0fe0b84f2 [2021-11-25 18:36:29,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:36:29,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:36:29,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:36:29,248 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:36:29,249 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:36:29,250 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43be482c-3151-4191-8545-a57b61819e6a/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i [2021-11-25 18:36:29,360 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43be482c-3151-4191-8545-a57b61819e6a/bin/utaipan-eEHZpOm5b7/data/6e1075970/ed0bf647987f4a31993e0032f700aa96/FLAGb1e40dabe [2021-11-25 18:36:30,430 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:36:30,431 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43be482c-3151-4191-8545-a57b61819e6a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i [2021-11-25 18:36:30,513 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43be482c-3151-4191-8545-a57b61819e6a/bin/utaipan-eEHZpOm5b7/data/6e1075970/ed0bf647987f4a31993e0032f700aa96/FLAGb1e40dabe [2021-11-25 18:36:30,716 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43be482c-3151-4191-8545-a57b61819e6a/bin/utaipan-eEHZpOm5b7/data/6e1075970/ed0bf647987f4a31993e0032f700aa96 [2021-11-25 18:36:30,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:36:30,721 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:36:30,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:36:30,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:36:30,727 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:36:30,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:36:30" (1/1) ... [2021-11-25 18:36:30,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53cdb589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:30, skipping insertion in model container [2021-11-25 18:36:30,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:36:30" (1/1) ... [2021-11-25 18:36:30,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:36:30,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:36:36,323 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_43be482c-3151-4191-8545-a57b61819e6a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i[473889,473902] [2021-11-25 18:36:36,327 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_43be482c-3151-4191-8545-a57b61819e6a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i[474034,474047] [2021-11-25 18:36:36,390 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:36:36,453 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:36:37,080 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_43be482c-3151-4191-8545-a57b61819e6a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i[473889,473902] [2021-11-25 18:36:37,081 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_43be482c-3151-4191-8545-a57b61819e6a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i[474034,474047] [2021-11-25 18:36:37,089 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:36:37,573 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:36:37,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:37 WrapperNode [2021-11-25 18:36:37,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:36:37,575 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:36:37,576 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:36:37,576 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:36:37,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:37" (1/1) ... [2021-11-25 18:36:37,738 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:37" (1/1) ... [2021-11-25 18:36:37,990 INFO L137 Inliner]: procedures = 708, calls = 3039, calls flagged for inlining = 320, calls inlined = 256, statements flattened = 6484 [2021-11-25 18:36:37,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:36:37,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:36:37,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:36:37,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:36:38,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:37" (1/1) ... [2021-11-25 18:36:38,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:37" (1/1) ... [2021-11-25 18:36:38,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:37" (1/1) ... [2021-11-25 18:36:38,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:37" (1/1) ... [2021-11-25 18:36:38,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:37" (1/1) ... [2021-11-25 18:36:38,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:37" (1/1) ... [2021-11-25 18:36:38,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:37" (1/1) ... [2021-11-25 18:36:38,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:36:38,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:36:38,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:36:38,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:36:38,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:37" (1/1) ... [2021-11-25 18:36:38,434 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:36:38,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43be482c-3151-4191-8545-a57b61819e6a/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:36:38,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43be482c-3151-4191-8545-a57b61819e6a/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:36:38,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43be482c-3151-4191-8545-a57b61819e6a/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:36:38,514 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-25 18:36:38,514 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-25 18:36:38,514 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_u32 [2021-11-25 18:36:38,515 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_u32 [2021-11-25 18:36:38,515 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_total_size [2021-11-25 18:36:38,515 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_total_size [2021-11-25 18:36:38,515 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_count_get [2021-11-25 18:36:38,515 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_count_get [2021-11-25 18:36:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_port_list_get [2021-11-25 18:36:38,516 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_port_list_get [2021-11-25 18:36:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 18:36:38,516 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 18:36:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_option_get [2021-11-25 18:36:38,516 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_option_get [2021-11-25 18:36:38,517 INFO L130 BoogieDeclarations]: Found specification of procedure __team_change_mode [2021-11-25 18:36:38,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_change_mode [2021-11-25 18:36:38,517 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u32 [2021-11-25 18:36:38,517 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u32 [2021-11-25 18:36:38,517 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-25 18:36:38,518 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-25 18:36:38,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 18:36:38,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 18:36:38,518 INFO L130 BoogieDeclarations]: Found specification of procedure team_init [2021-11-25 18:36:38,518 INFO L138 BoogieDeclarations]: Found implementation of procedure team_init [2021-11-25 18:36:38,518 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_interval_set [2021-11-25 18:36:38,519 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_interval_set [2021-11-25 18:36:38,519 INFO L130 BoogieDeclarations]: Found specification of procedure team_del_slave [2021-11-25 18:36:38,519 INFO L138 BoogieDeclarations]: Found implementation of procedure team_del_slave [2021-11-25 18:36:38,519 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_port_list_get [2021-11-25 18:36:38,520 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_port_list_get [2021-11-25 18:36:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_set [2021-11-25 18:36:38,520 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_set [2021-11-25 18:36:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-25 18:36:38,520 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-25 18:36:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-25 18:36:38,521 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-25 18:36:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2021-11-25 18:36:38,522 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2021-11-25 18:36:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_enabled_check [2021-11-25 18:36:38,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_enabled_check [2021-11-25 18:36:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure team_priority_option_get [2021-11-25 18:36:38,522 INFO L138 BoogieDeclarations]: Found implementation of procedure team_priority_option_get [2021-11-25 18:36:38,523 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_override_fini [2021-11-25 18:36:38,523 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_override_fini [2021-11-25 18:36:38,523 INFO L130 BoogieDeclarations]: Found specification of procedure team_netpoll_cleanup [2021-11-25 18:36:38,524 INFO L138 BoogieDeclarations]: Found implementation of procedure team_netpoll_cleanup [2021-11-25 18:36:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_mtu [2021-11-25 18:36:38,524 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_mtu [2021-11-25 18:36:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-25 18:36:38,526 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-25 18:36:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-25 18:36:38,527 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-25 18:36:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_get_rtnl [2021-11-25 18:36:38,527 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_get_rtnl [2021-11-25 18:36:38,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 18:36:38,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 18:36:38,528 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_mac_address [2021-11-25 18:36:38,528 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_mac_address [2021-11-25 18:36:38,529 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_add [2021-11-25 18:36:38,529 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_add [2021-11-25 18:36:38,529 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_unicast [2021-11-25 18:36:38,530 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_unicast [2021-11-25 18:36:38,530 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_count_set [2021-11-25 18:36:38,530 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_count_set [2021-11-25 18:36:38,530 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_end [2021-11-25 18:36:38,530 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_end [2021-11-25 18:36:38,531 INFO L130 BoogieDeclarations]: Found specification of procedure team_poll_controller [2021-11-25 18:36:38,531 INFO L138 BoogieDeclarations]: Found implementation of procedure team_poll_controller [2021-11-25 18:36:38,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:36:38,531 INFO L130 BoogieDeclarations]: Found specification of procedure team_add_slave [2021-11-25 18:36:38,532 INFO L138 BoogieDeclarations]: Found implementation of procedure team_add_slave [2021-11-25 18:36:38,532 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_option [2021-11-25 18:36:38,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_option [2021-11-25 18:36:38,533 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_unregister [2021-11-25 18:36:38,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_unregister [2021-11-25 18:36:38,533 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_put [2021-11-25 18:36:38,533 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_put [2021-11-25 18:36:38,534 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-25 18:36:38,534 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-25 18:36:38,534 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_trylock [2021-11-25 18:36:38,534 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_trylock [2021-11-25 18:36:38,535 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-25 18:36:38,536 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-25 18:36:38,536 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_id_option_set [2021-11-25 18:36:38,536 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_id_option_set [2021-11-25 18:36:38,536 INFO L130 BoogieDeclarations]: Found specification of procedure team_refresh_port_linkup [2021-11-25 18:36:38,536 INFO L138 BoogieDeclarations]: Found implementation of procedure team_refresh_port_linkup [2021-11-25 18:36:38,537 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_new [2021-11-25 18:36:38,538 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_new [2021-11-25 18:36:38,538 INFO L130 BoogieDeclarations]: Found specification of procedure team_user_linkup_option_set [2021-11-25 18:36:38,538 INFO L138 BoogieDeclarations]: Found implementation of procedure team_user_linkup_option_set [2021-11-25 18:36:38,539 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers [2021-11-25 18:36:38,540 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers [2021-11-25 18:36:38,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 18:36:38,540 INFO L130 BoogieDeclarations]: Found specification of procedure __team_port_change_send [2021-11-25 18:36:38,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_port_change_send [2021-11-25 18:36:38,541 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_end [2021-11-25 18:36:38,541 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_end [2021-11-25 18:36:38,541 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_del_rcu [2021-11-25 18:36:38,541 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_del_rcu [2021-11-25 18:36:38,541 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_interval_get [2021-11-25 18:36:38,541 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_interval_get [2021-11-25 18:36:38,542 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_upper_dev_unlink [2021-11-25 18:36:38,542 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_upper_dev_unlink [2021-11-25 18:36:38,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 18:36:38,543 INFO L130 BoogieDeclarations]: Found specification of procedure __team_netpoll_cleanup [2021-11-25 18:36:38,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_netpoll_cleanup [2021-11-25 18:36:38,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 18:36:38,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 18:36:38,545 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u8 [2021-11-25 18:36:38,548 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u8 [2021-11-25 18:36:38,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:36:38,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-25 18:36:38,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-25 18:36:38,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 18:36:38,551 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 18:36:38,552 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_option_set [2021-11-25 18:36:38,552 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_option_set [2021-11-25 18:36:38,552 INFO L130 BoogieDeclarations]: Found specification of procedure __find_mode [2021-11-25 18:36:38,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_mode [2021-11-25 18:36:38,559 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_mode [2021-11-25 18:36:38,559 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_mode [2021-11-25 18:36:38,559 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-25 18:36:38,559 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-25 18:36:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-25 18:36:38,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-25 18:36:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure team_ethtool_get_drvinfo [2021-11-25 18:36:38,560 INFO L138 BoogieDeclarations]: Found implementation of procedure team_ethtool_get_drvinfo [2021-11-25 18:36:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-25 18:36:38,561 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-25 18:36:38,561 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-25 18:36:38,561 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-25 18:36:38,561 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_put [2021-11-25 18:36:38,561 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_put [2021-11-25 18:36:38,561 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_rx_mode [2021-11-25 18:36:38,562 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_rx_mode [2021-11-25 18:36:38,562 INFO L130 BoogieDeclarations]: Found specification of procedure team_setup [2021-11-25 18:36:38,562 INFO L138 BoogieDeclarations]: Found implementation of procedure team_setup [2021-11-25 18:36:38,562 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_index_hash [2021-11-25 18:36:38,562 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_index_hash [2021-11-25 18:36:38,563 INFO L130 BoogieDeclarations]: Found specification of procedure genl_info_net [2021-11-25 18:36:38,563 INFO L138 BoogieDeclarations]: Found implementation of procedure genl_info_net [2021-11-25 18:36:38,563 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-11-25 18:36:38,563 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-11-25 18:36:38,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:36:38,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-25 18:36:38,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-25 18:36:38,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-25 18:36:38,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-25 18:36:38,564 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-25 18:36:38,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-25 18:36:38,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:36:38,565 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_fini [2021-11-25 18:36:38,565 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_fini [2021-11-25 18:36:38,565 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-25 18:36:38,565 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-25 18:36:38,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 18:36:38,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 18:36:38,566 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_port [2021-11-25 18:36:38,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_port [2021-11-25 18:36:38,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:36:38,566 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 18:36:38,567 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 18:36:38,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 18:36:38,567 INFO L130 BoogieDeclarations]: Found specification of procedure team_user_linkup_en_option_get [2021-11-25 18:36:38,567 INFO L138 BoogieDeclarations]: Found implementation of procedure team_user_linkup_en_option_get [2021-11-25 18:36:38,567 INFO L130 BoogieDeclarations]: Found specification of procedure read_pnet [2021-11-25 18:36:38,567 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pnet [2021-11-25 18:36:38,568 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_en_option_set [2021-11-25 18:36:38,568 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_en_option_set [2021-11-25 18:36:38,568 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 18:36:38,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 18:36:38,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-25 18:36:38,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-25 18:36:38,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-25 18:36:38,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-25 18:36:38,705 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable [2021-11-25 18:36:38,705 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable [2021-11-25 18:36:38,705 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_set [2021-11-25 18:36:38,705 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_set [2021-11-25 18:36:38,705 INFO L130 BoogieDeclarations]: Found specification of procedure team_adjust_ops [2021-11-25 18:36:38,705 INFO L138 BoogieDeclarations]: Found implementation of procedure team_adjust_ops [2021-11-25 18:36:38,705 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_rx_handler_unregister [2021-11-25 18:36:38,706 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_rx_handler_unregister [2021-11-25 18:36:38,706 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-25 18:36:38,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-25 18:36:38,706 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 18:36:38,706 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 18:36:38,706 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_id_option_get [2021-11-25 18:36:38,706 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_id_option_get [2021-11-25 18:36:38,706 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_del [2021-11-25 18:36:38,706 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_del [2021-11-25 18:36:38,706 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-11-25 18:36:38,707 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-11-25 18:36:38,707 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_vids_del_by_dev [2021-11-25 18:36:38,707 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_vids_del_by_dev [2021-11-25 18:36:38,707 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin [2021-11-25 18:36:38,707 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin [2021-11-25 18:36:38,707 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_interval_get [2021-11-25 18:36:38,707 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_interval_get [2021-11-25 18:36:38,707 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-11-25 18:36:38,707 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-11-25 18:36:38,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:36:38,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:36:38,708 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_noop [2021-11-25 18:36:38,708 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_noop [2021-11-25 18:36:38,708 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_fini [2021-11-25 18:36:38,708 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_fini [2021-11-25 18:36:38,708 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_orig_dev_addr [2021-11-25 18:36:38,708 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_orig_dev_addr [2021-11-25 18:36:38,708 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_port_get [2021-11-25 18:36:38,709 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_port_get [2021-11-25 18:36:38,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdevice_notifier [2021-11-25 18:36:38,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdevice_notifier [2021-11-25 18:36:38,709 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_register [2021-11-25 18:36:38,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_register [2021-11-25 18:36:38,709 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_change_check [2021-11-25 18:36:38,709 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_change_check [2021-11-25 18:36:38,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 18:36:38,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 18:36:38,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 18:36:38,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 18:36:38,710 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-25 18:36:38,710 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-25 18:36:38,710 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_register [2021-11-25 18:36:38,710 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_register [2021-11-25 18:36:38,710 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-25 18:36:38,710 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-25 18:36:38,710 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_trim [2021-11-25 18:36:38,711 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_trim [2021-11-25 18:36:38,711 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_put [2021-11-25 18:36:38,711 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_put [2021-11-25 18:36:38,711 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_option [2021-11-25 18:36:38,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_option [2021-11-25 18:36:38,711 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-25 18:36:38,711 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_rcu [2021-11-25 18:36:38,711 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_rcu [2021-11-25 18:36:38,711 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_cancel [2021-11-25 18:36:38,712 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_cancel [2021-11-25 18:36:38,712 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-25 18:36:38,712 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-25 18:36:38,712 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_notifier [2021-11-25 18:36:38,712 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_notifier [2021-11-25 18:36:38,712 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_team_dev_addr [2021-11-25 18:36:38,712 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_team_dev_addr [2021-11-25 18:36:38,712 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-25 18:36:38,712 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-25 18:36:38,712 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_add_head_rcu [2021-11-25 18:36:38,712 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_add_head_rcu [2021-11-25 18:36:38,713 INFO L130 BoogieDeclarations]: Found specification of procedure __team_carrier_check [2021-11-25 18:36:38,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_carrier_check [2021-11-25 18:36:38,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:36:38,713 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:36:38,713 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_start [2021-11-25 18:36:38,713 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_start [2021-11-25 18:36:38,713 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_get [2021-11-25 18:36:38,713 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_get [2021-11-25 18:36:38,713 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_en_option_get [2021-11-25 18:36:38,714 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_en_option_get [2021-11-25 18:36:38,714 INFO L130 BoogieDeclarations]: Found specification of procedure nla_len [2021-11-25 18:36:38,714 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_len [2021-11-25 18:36:38,714 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net [2021-11-25 18:36:38,714 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net [2021-11-25 18:36:38,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:36:38,714 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-25 18:36:38,714 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-25 18:36:38,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_team_module_exit_24_2 [2021-11-25 18:36:38,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_team_module_exit_24_2 [2021-11-25 18:36:38,714 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable_netpoll [2021-11-25 18:36:38,715 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable_netpoll [2021-11-25 18:36:38,715 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_del [2021-11-25 18:36:38,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_del [2021-11-25 18:36:38,715 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-25 18:36:38,715 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-25 18:36:38,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:36:38,715 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-11-25 18:36:38,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-11-25 18:36:38,715 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail_rcu [2021-11-25 18:36:38,715 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail_rcu [2021-11-25 18:36:38,715 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_get [2021-11-25 18:36:38,716 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_get [2021-11-25 18:36:38,716 INFO L130 BoogieDeclarations]: Found specification of procedure team_user_linkup_en_option_set [2021-11-25 18:36:38,716 INFO L138 BoogieDeclarations]: Found implementation of procedure team_user_linkup_en_option_set [2021-11-25 18:36:38,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 18:36:38,716 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enabled [2021-11-25 18:36:38,716 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enabled [2021-11-25 18:36:38,716 INFO L130 BoogieDeclarations]: Found specification of procedure __team_find_option [2021-11-25 18:36:38,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_find_option [2021-11-25 18:36:38,716 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2021-11-25 18:36:38,716 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2021-11-25 18:36:38,716 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-25 18:36:38,717 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-25 18:36:38,717 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-25 18:36:38,717 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-25 18:36:38,717 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-25 18:36:38,717 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-25 18:36:38,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 18:36:38,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 18:36:38,717 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-25 18:36:38,717 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-25 18:36:38,717 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_option_get [2021-11-25 18:36:38,717 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_option_get [2021-11-25 18:36:38,718 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_interval_set [2021-11-25 18:36:38,718 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_interval_set [2021-11-25 18:36:38,718 INFO L130 BoogieDeclarations]: Found specification of procedure team_is_mode_set [2021-11-25 18:36:38,718 INFO L138 BoogieDeclarations]: Found implementation of procedure team_is_mode_set [2021-11-25 18:36:38,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-25 18:36:38,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-25 18:36:38,718 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_change_check [2021-11-25 18:36:38,718 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_change_check [2021-11-25 18:36:38,718 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-25 18:36:38,718 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-25 18:36:38,718 INFO L130 BoogieDeclarations]: Found specification of procedure call_netdevice_notifiers [2021-11-25 18:36:38,719 INFO L138 BoogieDeclarations]: Found implementation of procedure call_netdevice_notifiers [2021-11-25 18:36:38,719 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2021-11-25 18:36:38,719 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2021-11-25 18:36:38,719 INFO L130 BoogieDeclarations]: Found specification of procedure __team_compute_features [2021-11-25 18:36:38,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_compute_features [2021-11-25 18:36:38,719 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_leave [2021-11-25 18:36:38,719 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_leave [2021-11-25 18:36:38,719 INFO L130 BoogieDeclarations]: Found specification of procedure __send_and_alloc_skb [2021-11-25 18:36:38,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __send_and_alloc_skb [2021-11-25 18:36:38,719 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_count_set [2021-11-25 18:36:38,720 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_count_set [2021-11-25 18:36:38,720 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_put [2021-11-25 18:36:38,720 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_put [2021-11-25 18:36:38,720 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-25 18:36:38,720 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-25 18:36:38,720 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-11-25 18:36:38,720 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-11-25 18:36:38,720 INFO L130 BoogieDeclarations]: Found specification of procedure __team_get_qom_list [2021-11-25 18:36:38,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_get_qom_list [2021-11-25 18:36:38,721 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 18:36:38,721 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 18:36:38,721 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_cancel [2021-11-25 18:36:38,721 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_cancel [2021-11-25 18:36:38,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:36:38,721 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_get [2021-11-25 18:36:38,721 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_get [2021-11-25 18:36:38,721 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del [2021-11-25 18:36:38,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del [2021-11-25 18:36:38,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 18:36:38,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 18:36:38,722 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_options_get [2021-11-25 18:36:38,722 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_options_get [2021-11-25 18:36:38,722 INFO L130 BoogieDeclarations]: Found specification of procedure team_priority_option_set [2021-11-25 18:36:38,722 INFO L138 BoogieDeclarations]: Found implementation of procedure team_priority_option_set [2021-11-25 18:36:38,722 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_increment_features [2021-11-25 18:36:38,722 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_increment_features [2021-11-25 18:36:38,722 INFO L130 BoogieDeclarations]: Found specification of procedure team_open [2021-11-25 18:36:38,722 INFO L138 BoogieDeclarations]: Found implementation of procedure team_open [2021-11-25 18:36:38,722 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2021-11-25 18:36:38,723 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2021-11-25 18:36:38,723 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_port [2021-11-25 18:36:38,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_port [2021-11-25 18:36:38,723 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_add [2021-11-25 18:36:38,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_add [2021-11-25 18:36:38,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_90 [2021-11-25 18:36:38,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_90 [2021-11-25 18:36:38,723 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_change_check [2021-11-25 18:36:38,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_change_check [2021-11-25 18:36:38,724 INFO L130 BoogieDeclarations]: Found specification of procedure __set_port_dev_addr [2021-11-25 18:36:38,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_port_dev_addr [2021-11-25 18:36:38,724 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2021-11-25 18:36:38,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2021-11-25 18:36:38,724 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-11-25 18:36:38,724 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-11-25 18:36:38,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_91 [2021-11-25 18:36:38,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_91 [2021-11-25 18:36:38,724 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-25 18:36:38,724 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-25 18:36:38,724 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2021-11-25 18:36:38,727 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2021-11-25 18:36:38,727 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_count_get [2021-11-25 18:36:38,727 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_count_get [2021-11-25 18:36:38,728 INFO L130 BoogieDeclarations]: Found specification of procedure team_validate [2021-11-25 18:36:38,728 INFO L138 BoogieDeclarations]: Found implementation of procedure team_validate [2021-11-25 18:36:38,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 18:36:38,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 18:36:38,729 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_free [2021-11-25 18:36:38,729 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_free [2021-11-25 18:36:38,729 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-25 18:36:38,729 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-25 18:36:38,729 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable [2021-11-25 18:36:38,730 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable [2021-11-25 18:36:38,730 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-25 18:36:38,730 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-25 18:36:38,730 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_no_mode [2021-11-25 18:36:38,730 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_no_mode [2021-11-25 18:36:38,730 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_flag [2021-11-25 18:36:38,730 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_flag [2021-11-25 18:36:38,731 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 18:36:38,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 18:36:38,731 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable_netpoll [2021-11-25 18:36:38,731 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable_netpoll [2021-11-25 18:36:38,731 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enter [2021-11-25 18:36:38,731 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enter [2021-11-25 18:36:38,731 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-11-25 18:36:38,732 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-11-25 18:36:38,732 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-25 18:36:38,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_rx_handler_unregister [2021-11-25 18:36:38,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_rx_handler_unregister [2021-11-25 18:36:38,732 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_string [2021-11-25 18:36:38,732 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_string [2021-11-25 18:36:38,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:36:38,733 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 18:36:38,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 18:36:38,733 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_event_options_get [2021-11-25 18:36:38,733 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_event_options_get [2021-11-25 18:36:38,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-25 18:36:38,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-25 18:36:38,733 INFO L130 BoogieDeclarations]: Found specification of procedure team_close [2021-11-25 18:36:38,734 INFO L138 BoogieDeclarations]: Found implementation of procedure team_close [2021-11-25 18:36:38,734 INFO L130 BoogieDeclarations]: Found specification of procedure team_uninit [2021-11-25 18:36:38,734 INFO L138 BoogieDeclarations]: Found implementation of procedure team_uninit [2021-11-25 18:36:38,734 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add [2021-11-25 18:36:38,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add [2021-11-25 18:36:38,734 INFO L130 BoogieDeclarations]: Found specification of procedure team_user_linkup_option_get [2021-11-25 18:36:38,734 INFO L138 BoogieDeclarations]: Found implementation of procedure team_user_linkup_option_get [2021-11-25 18:36:39,825 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:36:39,830 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:36:40,123 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 18:36:45,694 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-25 18:36:45,887 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:36:47,625 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:36:47,625 INFO L301 CfgBuilder]: Removed 12 assume(true) statements. [2021-11-25 18:36:47,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:36:47 BoogieIcfgContainer [2021-11-25 18:36:47,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:36:47,634 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:36:47,634 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:36:47,638 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:36:47,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:36:30" (1/3) ... [2021-11-25 18:36:47,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a53d14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:36:47, skipping insertion in model container [2021-11-25 18:36:47,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:36:37" (2/3) ... [2021-11-25 18:36:47,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a53d14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:36:47, skipping insertion in model container [2021-11-25 18:36:47,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:36:47" (3/3) ... [2021-11-25 18:36:47,642 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i [2021-11-25 18:36:47,652 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:36:47,652 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:36:47,730 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:36:47,749 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 [2021-11-25 18:36:47,757 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:36:47,856 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) [2021-11-25 18:36:47,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2021-11-25 18:36:47,911 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:36:47,913 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] [2021-11-25 18:36:47,913 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:36:47,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:36:47,920 INFO L85 PathProgramCache]: Analyzing trace with hash -868692311, now seen corresponding path program 1 times [2021-11-25 18:36:47,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:36:47,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873048023] [2021-11-25 18:36:47,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:36:47,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:36:48,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:36:49,174 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6972 trivial. 0 not checked. [2021-11-25 18:36:49,175 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:36:49,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873048023] [2021-11-25 18:36:49,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873048023] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:36:49,176 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:36:49,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:36:49,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176646009] [2021-11-25 18:36:49,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:36:49,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:36:49,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:36:49,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:36:49,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:36:49,220 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) [2021-11-25 18:36:52,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:36:52,322 INFO L93 Difference]: Finished difference Result 6469 states and 9306 transitions. [2021-11-25 18:36:52,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:36:52,325 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 [2021-11-25 18:36:52,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:36:52,417 INFO L225 Difference]: With dead ends: 6469 [2021-11-25 18:36:52,418 INFO L226 Difference]: Without dead ends: 4257 [2021-11-25 18:36:52,447 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 [2021-11-25 18:36:52,455 INFO L933 BasicCegarLoop]: 3372 mSDtfsCounter, 2990 mSDsluCounter, 3124 mSDsCounter, 0 mSdLazyCounter, 824 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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, 2.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:36:52,457 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2990 Valid, 6100 Invalid, 829 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 824 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-25 18:36:52,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4257 states. [2021-11-25 18:36:52,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4257 to 4253. [2021-11-25 18:36:52,865 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) [2021-11-25 18:36:52,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4253 states to 4253 states and 5991 transitions. [2021-11-25 18:36:52,920 INFO L78 Accepts]: Start accepts. Automaton has 4253 states and 5991 transitions. Word has length 448 [2021-11-25 18:36:52,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:36:52,927 INFO L470 AbstractCegarLoop]: Abstraction has 4253 states and 5991 transitions. [2021-11-25 18:36:52,927 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) [2021-11-25 18:36:52,929 INFO L276 IsEmpty]: Start isEmpty. Operand 4253 states and 5991 transitions. [2021-11-25 18:36:52,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2021-11-25 18:36:52,956 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:36:52,957 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] [2021-11-25 18:36:52,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:36:52,958 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:36:52,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:36:52,960 INFO L85 PathProgramCache]: Analyzing trace with hash 841966645, now seen corresponding path program 1 times [2021-11-25 18:36:52,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:36:52,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194313920] [2021-11-25 18:36:52,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:36:52,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:36:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:36:53,551 INFO L134 CoverageAnalysis]: Checked inductivity of 7061 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7058 trivial. 0 not checked. [2021-11-25 18:36:53,551 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:36:53,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194313920] [2021-11-25 18:36:53,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194313920] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:36:53,552 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:36:53,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:36:53,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716096284] [2021-11-25 18:36:53,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:36:53,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:36:53,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:36:53,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:36:53,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:36:53,556 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) [2021-11-25 18:36:56,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:36:56,477 INFO L93 Difference]: Finished difference Result 10456 states and 14713 transitions. [2021-11-25 18:36:56,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:36:56,478 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 [2021-11-25 18:36:56,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:36:56,557 INFO L225 Difference]: With dead ends: 10456 [2021-11-25 18:36:56,557 INFO L226 Difference]: Without dead ends: 6288 [2021-11-25 18:36:56,578 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 [2021-11-25 18:36:56,580 INFO L933 BasicCegarLoop]: 3229 mSDtfsCounter, 2884 mSDsluCounter, 2991 mSDsCounter, 0 mSdLazyCounter, 826 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:36:56,580 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2884 Valid, 5838 Invalid, 834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 826 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 18:36:56,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6288 states. [2021-11-25 18:36:56,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6288 to 6286. [2021-11-25 18:36:56,929 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) [2021-11-25 18:36:56,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6286 states to 6286 states and 8840 transitions. [2021-11-25 18:36:56,986 INFO L78 Accepts]: Start accepts. Automaton has 6286 states and 8840 transitions. Word has length 467 [2021-11-25 18:36:56,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:36:56,993 INFO L470 AbstractCegarLoop]: Abstraction has 6286 states and 8840 transitions. [2021-11-25 18:36:56,993 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) [2021-11-25 18:36:56,994 INFO L276 IsEmpty]: Start isEmpty. Operand 6286 states and 8840 transitions. [2021-11-25 18:36:57,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2021-11-25 18:36:57,012 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:36:57,012 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] [2021-11-25 18:36:57,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:36:57,013 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:36:57,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:36:57,014 INFO L85 PathProgramCache]: Analyzing trace with hash 285284582, now seen corresponding path program 1 times [2021-11-25 18:36:57,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:36:57,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166565010] [2021-11-25 18:36:57,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:36:57,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:36:57,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:36:57,478 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6972 trivial. 0 not checked. [2021-11-25 18:36:57,478 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:36:57,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166565010] [2021-11-25 18:36:57,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166565010] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:36:57,479 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:36:57,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:36:57,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644480949] [2021-11-25 18:36:57,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:36:57,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:36:57,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:36:57,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:36:57,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:36:57,488 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) [2021-11-25 18:37:00,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:37:00,048 INFO L93 Difference]: Finished difference Result 12479 states and 17538 transitions. [2021-11-25 18:37:00,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:37:00,049 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 [2021-11-25 18:37:00,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:37:00,112 INFO L225 Difference]: With dead ends: 12479 [2021-11-25 18:37:00,112 INFO L226 Difference]: Without dead ends: 6278 [2021-11-25 18:37:00,144 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 [2021-11-25 18:37:00,145 INFO L933 BasicCegarLoop]: 3268 mSDtfsCounter, 2904 mSDsluCounter, 3052 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s 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, 2.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:37:00,146 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2904 Valid, 5926 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 817 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-25 18:37:00,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6278 states. [2021-11-25 18:37:00,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6278 to 6274. [2021-11-25 18:37:00,642 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) [2021-11-25 18:37:00,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6274 states to 6274 states and 8814 transitions. [2021-11-25 18:37:00,691 INFO L78 Accepts]: Start accepts. Automaton has 6274 states and 8814 transitions. Word has length 471 [2021-11-25 18:37:00,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:37:00,693 INFO L470 AbstractCegarLoop]: Abstraction has 6274 states and 8814 transitions. [2021-11-25 18:37:00,694 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) [2021-11-25 18:37:00,695 INFO L276 IsEmpty]: Start isEmpty. Operand 6274 states and 8814 transitions. [2021-11-25 18:37:00,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2021-11-25 18:37:00,711 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:37:00,711 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] [2021-11-25 18:37:00,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 18:37:00,712 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:37:00,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:37:00,713 INFO L85 PathProgramCache]: Analyzing trace with hash 2139055605, now seen corresponding path program 1 times [2021-11-25 18:37:00,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:37:00,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610155675] [2021-11-25 18:37:00,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:37:00,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:37:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:37:01,259 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6972 trivial. 0 not checked. [2021-11-25 18:37:01,259 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:37:01,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610155675] [2021-11-25 18:37:01,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610155675] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:37:01,260 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:37:01,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:37:01,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463735742] [2021-11-25 18:37:01,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:37:01,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:37:01,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:37:01,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:37:01,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:37:01,263 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) [2021-11-25 18:37:12,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:37:12,006 INFO L93 Difference]: Finished difference Result 14547 states and 20425 transitions. [2021-11-25 18:37:12,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 18:37:12,007 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 [2021-11-25 18:37:12,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:37:12,083 INFO L225 Difference]: With dead ends: 14547 [2021-11-25 18:37:12,083 INFO L226 Difference]: Without dead ends: 8358 [2021-11-25 18:37:12,116 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 [2021-11-25 18:37:12,117 INFO L933 BasicCegarLoop]: 3740 mSDtfsCounter, 7151 mSDsluCounter, 7139 mSDsCounter, 0 mSdLazyCounter, 4745 mSolverCounterSat, 1154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s 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, 9.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:37:12,118 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7240 Valid, 9703 Invalid, 5899 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1154 Valid, 4745 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2021-11-25 18:37:12,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8358 states. [2021-11-25 18:37:12,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8358 to 8345. [2021-11-25 18:37:12,572 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) [2021-11-25 18:37:12,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8345 states to 8345 states and 11716 transitions. [2021-11-25 18:37:12,620 INFO L78 Accepts]: Start accepts. Automaton has 8345 states and 11716 transitions. Word has length 476 [2021-11-25 18:37:12,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:37:12,622 INFO L470 AbstractCegarLoop]: Abstraction has 8345 states and 11716 transitions. [2021-11-25 18:37:12,623 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) [2021-11-25 18:37:12,623 INFO L276 IsEmpty]: Start isEmpty. Operand 8345 states and 11716 transitions. [2021-11-25 18:37:12,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2021-11-25 18:37:12,637 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:37:12,638 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] [2021-11-25 18:37:12,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 18:37:12,639 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:37:12,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:37:12,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1402800202, now seen corresponding path program 1 times [2021-11-25 18:37:12,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:37:12,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116838602] [2021-11-25 18:37:12,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:37:12,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:37:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:37:13,136 INFO L134 CoverageAnalysis]: Checked inductivity of 6974 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6974 trivial. 0 not checked. [2021-11-25 18:37:13,138 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:37:13,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116838602] [2021-11-25 18:37:13,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116838602] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:37:13,139 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:37:13,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:37:13,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791297434] [2021-11-25 18:37:13,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:37:13,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:37:13,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:37:13,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:37:13,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:37:13,141 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) [2021-11-25 18:37:16,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:37:16,003 INFO L93 Difference]: Finished difference Result 24617 states and 34810 transitions. [2021-11-25 18:37:16,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:37:16,004 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 [2021-11-25 18:37:16,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:37:16,150 INFO L225 Difference]: With dead ends: 24617 [2021-11-25 18:37:16,150 INFO L226 Difference]: Without dead ends: 16357 [2021-11-25 18:37:16,205 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 [2021-11-25 18:37:16,206 INFO L933 BasicCegarLoop]: 3303 mSDtfsCounter, 2882 mSDsluCounter, 3060 mSDsCounter, 0 mSdLazyCounter, 830 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2882 SdHoareTripleChecker+Valid, 5973 SdHoareTripleChecker+Invalid, 837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:37:16,206 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2882 Valid, 5973 Invalid, 837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 830 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 18:37:16,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16357 states. [2021-11-25 18:37:17,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16357 to 16343. [2021-11-25 18:37:17,299 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) [2021-11-25 18:37:17,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16343 states to 16343 states and 23188 transitions. [2021-11-25 18:37:17,391 INFO L78 Accepts]: Start accepts. Automaton has 16343 states and 23188 transitions. Word has length 476 [2021-11-25 18:37:17,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:37:17,393 INFO L470 AbstractCegarLoop]: Abstraction has 16343 states and 23188 transitions. [2021-11-25 18:37:17,393 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) [2021-11-25 18:37:17,394 INFO L276 IsEmpty]: Start isEmpty. Operand 16343 states and 23188 transitions. [2021-11-25 18:37:17,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2021-11-25 18:37:17,409 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:37:17,410 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] [2021-11-25 18:37:17,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 18:37:17,410 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:37:17,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:37:17,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1265583749, now seen corresponding path program 1 times [2021-11-25 18:37:17,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:37:17,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047958709] [2021-11-25 18:37:17,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:37:17,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:37:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:37:17,803 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6972 trivial. 0 not checked. [2021-11-25 18:37:17,804 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:37:17,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047958709] [2021-11-25 18:37:17,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047958709] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:37:17,805 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:37:17,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:37:17,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101914533] [2021-11-25 18:37:17,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:37:17,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:37:17,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:37:17,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:37:17,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:37:17,808 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) [2021-11-25 18:37:20,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:37:20,869 INFO L93 Difference]: Finished difference Result 32583 states and 46214 transitions. [2021-11-25 18:37:20,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:37:20,870 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 [2021-11-25 18:37:20,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:37:20,969 INFO L225 Difference]: With dead ends: 32583 [2021-11-25 18:37:20,970 INFO L226 Difference]: Without dead ends: 16325 [2021-11-25 18:37:21,040 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 [2021-11-25 18:37:21,041 INFO L933 BasicCegarLoop]: 3938 mSDtfsCounter, 2877 mSDsluCounter, 3052 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:37:21,042 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2877 Valid, 6596 Invalid, 915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 18:37:21,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16325 states. [2021-11-25 18:37:22,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16325 to 16319. [2021-11-25 18:37:22,096 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) [2021-11-25 18:37:22,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16319 states to 16319 states and 23132 transitions. [2021-11-25 18:37:22,192 INFO L78 Accepts]: Start accepts. Automaton has 16319 states and 23132 transitions. Word has length 484 [2021-11-25 18:37:22,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:37:22,193 INFO L470 AbstractCegarLoop]: Abstraction has 16319 states and 23132 transitions. [2021-11-25 18:37:22,194 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) [2021-11-25 18:37:22,194 INFO L276 IsEmpty]: Start isEmpty. Operand 16319 states and 23132 transitions. [2021-11-25 18:37:22,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2021-11-25 18:37:22,204 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:37:22,204 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] [2021-11-25 18:37:22,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 18:37:22,204 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:37:22,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:37:22,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1587395244, now seen corresponding path program 1 times [2021-11-25 18:37:22,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:37:22,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283537453] [2021-11-25 18:37:22,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:37:22,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:37:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:37:22,622 INFO L134 CoverageAnalysis]: Checked inductivity of 6981 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6981 trivial. 0 not checked. [2021-11-25 18:37:22,622 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:37:22,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283537453] [2021-11-25 18:37:22,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283537453] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:37:22,623 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:37:22,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:37:22,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593399310] [2021-11-25 18:37:22,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:37:22,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:37:22,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:37:22,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:37:22,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:37:22,625 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) [2021-11-25 18:37:25,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:37:25,282 INFO L93 Difference]: Finished difference Result 44366 states and 62808 transitions. [2021-11-25 18:37:25,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:37:25,283 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 [2021-11-25 18:37:25,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:37:25,678 INFO L225 Difference]: With dead ends: 44366 [2021-11-25 18:37:25,678 INFO L226 Difference]: Without dead ends: 28132 [2021-11-25 18:37:25,751 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 [2021-11-25 18:37:25,755 INFO L933 BasicCegarLoop]: 4119 mSDtfsCounter, 2830 mSDsluCounter, 3048 mSDsCounter, 0 mSdLazyCounter, 974 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.7s IncrementalHoareTripleChecker+Time [2021-11-25 18:37:25,756 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2830 Valid, 6772 Invalid, 980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 974 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-25 18:37:25,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28132 states. [2021-11-25 18:37:27,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28132 to 28118. [2021-11-25 18:37:27,366 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) [2021-11-25 18:37:27,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28118 states to 28118 states and 39758 transitions. [2021-11-25 18:37:27,552 INFO L78 Accepts]: Start accepts. Automaton has 28118 states and 39758 transitions. Word has length 508 [2021-11-25 18:37:27,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:37:27,554 INFO L470 AbstractCegarLoop]: Abstraction has 28118 states and 39758 transitions. [2021-11-25 18:37:27,554 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) [2021-11-25 18:37:27,554 INFO L276 IsEmpty]: Start isEmpty. Operand 28118 states and 39758 transitions. [2021-11-25 18:37:27,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2021-11-25 18:37:27,569 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:37:27,570 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] [2021-11-25 18:37:27,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 18:37:27,570 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:37:27,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:37:27,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1284860737, now seen corresponding path program 1 times [2021-11-25 18:37:27,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:37:27,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194800997] [2021-11-25 18:37:27,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:37:27,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:37:27,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:37:28,224 INFO L134 CoverageAnalysis]: Checked inductivity of 6979 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6979 trivial. 0 not checked. [2021-11-25 18:37:28,225 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:37:28,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194800997] [2021-11-25 18:37:28,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194800997] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:37:28,225 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:37:28,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:37:28,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897176572] [2021-11-25 18:37:28,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:37:28,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:37:28,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:37:28,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:37:28,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:37:28,229 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) [2021-11-25 18:37:32,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:37:32,622 INFO L93 Difference]: Finished difference Result 76888 states and 108712 transitions. [2021-11-25 18:37:32,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:37:32,623 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 [2021-11-25 18:37:32,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:37:33,035 INFO L225 Difference]: With dead ends: 76888 [2021-11-25 18:37:33,035 INFO L226 Difference]: Without dead ends: 48855 [2021-11-25 18:37:33,146 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 [2021-11-25 18:37:33,148 INFO L933 BasicCegarLoop]: 3737 mSDtfsCounter, 2903 mSDsluCounter, 3047 mSDsCounter, 0 mSdLazyCounter, 930 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s 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, 2.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:37:33,148 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2903 Valid, 6389 Invalid, 937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 930 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-25 18:37:33,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48855 states. [2021-11-25 18:37:35,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48855 to 48829. [2021-11-25 18:37:36,128 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) [2021-11-25 18:37:36,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48829 states to 48829 states and 68991 transitions. [2021-11-25 18:37:36,459 INFO L78 Accepts]: Start accepts. Automaton has 48829 states and 68991 transitions. Word has length 517 [2021-11-25 18:37:36,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:37:36,460 INFO L470 AbstractCegarLoop]: Abstraction has 48829 states and 68991 transitions. [2021-11-25 18:37:36,461 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) [2021-11-25 18:37:36,461 INFO L276 IsEmpty]: Start isEmpty. Operand 48829 states and 68991 transitions. [2021-11-25 18:37:36,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2021-11-25 18:37:36,481 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:37:36,482 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] [2021-11-25 18:37:36,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-25 18:37:36,482 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:37:36,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:37:36,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1025488083, now seen corresponding path program 1 times [2021-11-25 18:37:36,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:37:36,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265288409] [2021-11-25 18:37:36,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:37:36,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:37:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:37:37,359 INFO L134 CoverageAnalysis]: Checked inductivity of 7364 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 7357 trivial. 0 not checked. [2021-11-25 18:37:37,359 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:37:37,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265288409] [2021-11-25 18:37:37,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265288409] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:37:37,360 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:37:37,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:37:37,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103469798] [2021-11-25 18:37:37,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:37:37,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:37:37,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:37:37,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:37:37,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:37:37,364 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) [2021-11-25 18:37:42,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:37:42,342 INFO L93 Difference]: Finished difference Result 129289 states and 182821 transitions. [2021-11-25 18:37:42,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:37:42,343 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 [2021-11-25 18:37:42,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:37:42,917 INFO L225 Difference]: With dead ends: 129289 [2021-11-25 18:37:42,918 INFO L226 Difference]: Without dead ends: 81015 [2021-11-25 18:37:43,227 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 [2021-11-25 18:37:43,230 INFO L933 BasicCegarLoop]: 4381 mSDtfsCounter, 2918 mSDsluCounter, 3050 mSDsCounter, 0 mSdLazyCounter, 1068 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s 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, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:37:43,230 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2918 Valid, 7037 Invalid, 1072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1068 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 18:37:43,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81015 states. [2021-11-25 18:37:46,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81015 to 80997. [2021-11-25 18:37:46,553 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) [2021-11-25 18:37:47,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80997 states to 80997 states and 114503 transitions. [2021-11-25 18:37:47,159 INFO L78 Accepts]: Start accepts. Automaton has 80997 states and 114503 transitions. Word has length 516 [2021-11-25 18:37:47,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:37:47,161 INFO L470 AbstractCegarLoop]: Abstraction has 80997 states and 114503 transitions. [2021-11-25 18:37:47,161 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) [2021-11-25 18:37:47,161 INFO L276 IsEmpty]: Start isEmpty. Operand 80997 states and 114503 transitions. [2021-11-25 18:37:47,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2021-11-25 18:37:47,197 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:37:47,198 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] [2021-11-25 18:37:47,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-25 18:37:47,199 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:37:47,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:37:47,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1380791794, now seen corresponding path program 1 times [2021-11-25 18:37:47,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:37:47,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237544924] [2021-11-25 18:37:47,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:37:47,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:37:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:37:48,866 INFO L134 CoverageAnalysis]: Checked inductivity of 7568 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 7557 trivial. 0 not checked. [2021-11-25 18:37:48,866 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:37:48,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237544924] [2021-11-25 18:37:48,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237544924] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:37:48,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857344495] [2021-11-25 18:37:48,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:37:48,867 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:37:48,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43be482c-3151-4191-8545-a57b61819e6a/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:37:48,873 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43be482c-3151-4191-8545-a57b61819e6a/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:37:48,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43be482c-3151-4191-8545-a57b61819e6a/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:37:50,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:37:50,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 5236 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-25 18:37:50,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:38:39,198 INFO L134 CoverageAnalysis]: Checked inductivity of 7568 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7568 trivial. 0 not checked. [2021-11-25 18:38:39,199 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:38:39,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857344495] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:38:39,199 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 18:38:39,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2021-11-25 18:38:39,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206122641] [2021-11-25 18:38:39,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:38:39,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 18:38:39,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:38:39,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 18:38:39,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-11-25 18:38:39,203 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) [2021-11-25 18:38:43,543 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:38:55,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:38:55,170 INFO L93 Difference]: Finished difference Result 145479 states and 207240 transitions. [2021-11-25 18:38:55,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 18:38:55,170 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 [2021-11-25 18:38:55,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:38:56,012 INFO L225 Difference]: With dead ends: 145479 [2021-11-25 18:38:56,012 INFO L226 Difference]: Without dead ends: 145477 [2021-11-25 18:38:56,072 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 530 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-11-25 18:38:56,073 INFO L933 BasicCegarLoop]: 3197 mSDtfsCounter, 2296 mSDsluCounter, 12812 mSDsCounter, 0 mSdLazyCounter, 3129 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s 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, 9.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:38:56,073 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2297 Valid, 14339 Invalid, 3130 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3129 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2021-11-25 18:38:56,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145477 states. [2021-11-25 18:39:04,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145477 to 145357. [2021-11-25 18:39:04,378 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) [2021-11-25 18:39:05,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145357 states to 145357 states and 206999 transitions. [2021-11-25 18:39:05,328 INFO L78 Accepts]: Start accepts. Automaton has 145357 states and 206999 transitions. Word has length 532 [2021-11-25 18:39:05,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:39:05,329 INFO L470 AbstractCegarLoop]: Abstraction has 145357 states and 206999 transitions. [2021-11-25 18:39:05,330 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) [2021-11-25 18:39:05,330 INFO L276 IsEmpty]: Start isEmpty. Operand 145357 states and 206999 transitions. [2021-11-25 18:39:05,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 585 [2021-11-25 18:39:05,462 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:39:05,463 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] [2021-11-25 18:39:05,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43be482c-3151-4191-8545-a57b61819e6a/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-25 18:39:05,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43be482c-3151-4191-8545-a57b61819e6a/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:39:05,678 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:39:05,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:39:05,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1904357166, now seen corresponding path program 1 times [2021-11-25 18:39:05,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:39:05,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973024443] [2021-11-25 18:39:05,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:39:05,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:39:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:39:06,748 INFO L134 CoverageAnalysis]: Checked inductivity of 7394 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 7387 trivial. 0 not checked. [2021-11-25 18:39:06,749 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:39:06,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973024443] [2021-11-25 18:39:06,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973024443] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:39:06,749 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:39:06,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:39:06,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364092819] [2021-11-25 18:39:06,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:39:06,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:39:06,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:39:06,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:39:06,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:39:06,752 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) [2021-11-25 18:39:20,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:39:20,424 INFO L93 Difference]: Finished difference Result 362341 states and 516077 transitions. [2021-11-25 18:39:20,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:39:20,425 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 584 [2021-11-25 18:39:20,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted.