./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ce000a-7160-40c0-a64a-e80afcd9515a/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ce000a-7160-40c0-a64a-e80afcd9515a/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ce000a-7160-40c0-a64a-e80afcd9515a/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ce000a-7160-40c0-a64a-e80afcd9515a/bin/utaipan-7li7fVZpFI/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_54ce000a-7160-40c0-a64a-e80afcd9515a/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ce000a-7160-40c0-a64a-e80afcd9515a/bin/utaipan-7li7fVZpFI --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 01:41:40,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:41:40,894 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:41:40,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:41:40,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:41:40,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:41:40,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:41:40,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:41:40,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:41:40,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:41:40,957 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:41:40,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:41:40,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:41:40,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:41:40,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:41:40,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:41:40,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:41:40,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:41:40,970 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:41:40,979 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:41:40,980 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:41:40,982 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:41:40,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:41:40,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:41:40,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:41:40,995 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:41:40,995 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:41:40,997 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:41:40,997 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:41:40,998 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:41:40,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:41:41,000 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:41:41,001 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:41:41,002 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:41:41,003 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:41:41,004 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:41:41,004 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:41:41,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:41:41,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:41:41,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:41:41,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:41:41,007 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ce000a-7160-40c0-a64a-e80afcd9515a/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 01:41:41,050 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:41:41,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:41:41,051 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:41:41,051 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:41:41,052 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:41:41,052 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:41:41,052 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:41:41,052 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:41:41,053 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:41:41,053 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:41:41,054 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:41:41,054 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:41:41,055 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:41:41,055 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:41:41,055 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:41:41,055 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:41:41,056 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:41:41,056 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:41:41,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:41:41,057 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:41:41,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:41:41,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:41:41,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:41:41,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:41:41,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:41:41,058 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:41:41,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:41:41,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:41:41,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:41:41,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:41:41,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:41:41,060 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:41:41,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:41:41,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:41:41,061 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:41:41,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:41:41,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:41:41,061 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:41:41,062 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ce000a-7160-40c0-a64a-e80afcd9515a/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ce000a-7160-40c0-a64a-e80afcd9515a/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa7a67fd083bae0f32dee6a9d6b02333e5642185d7c291c7921a10d0fe0b84f2 [2022-11-03 01:41:41,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:41:41,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:41:41,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:41:41,346 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:41:41,348 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:41:41,350 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ce000a-7160-40c0-a64a-e80afcd9515a/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i [2022-11-03 01:41:41,425 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ce000a-7160-40c0-a64a-e80afcd9515a/bin/utaipan-7li7fVZpFI/data/4b470ffd5/d39322063458423dbfaa813c3476d7ce/FLAGaf185d138 [2022-11-03 01:41:42,454 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:41:42,456 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ce000a-7160-40c0-a64a-e80afcd9515a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i [2022-11-03 01:41:42,522 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ce000a-7160-40c0-a64a-e80afcd9515a/bin/utaipan-7li7fVZpFI/data/4b470ffd5/d39322063458423dbfaa813c3476d7ce/FLAGaf185d138 [2022-11-03 01:41:42,786 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ce000a-7160-40c0-a64a-e80afcd9515a/bin/utaipan-7li7fVZpFI/data/4b470ffd5/d39322063458423dbfaa813c3476d7ce [2022-11-03 01:41:42,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:41:42,791 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:41:42,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:41:42,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:41:42,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:41:42,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:41:42" (1/1) ... [2022-11-03 01:41:42,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cc0527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:42, skipping insertion in model container [2022-11-03 01:41:42,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:41:42" (1/1) ... [2022-11-03 01:41:42,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:41:43,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:41:47,958 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_54ce000a-7160-40c0-a64a-e80afcd9515a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i[473889,473902] [2022-11-03 01:41:47,961 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_54ce000a-7160-40c0-a64a-e80afcd9515a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i[474034,474047] [2022-11-03 01:41:47,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:41:48,051 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:41:48,669 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_54ce000a-7160-40c0-a64a-e80afcd9515a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i[473889,473902] [2022-11-03 01:41:48,670 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_54ce000a-7160-40c0-a64a-e80afcd9515a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i[474034,474047] [2022-11-03 01:41:48,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:41:49,119 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:41:49,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:49 WrapperNode [2022-11-03 01:41:49,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:41:49,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:41:49,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:41:49,121 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:41:49,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:49" (1/1) ... [2022-11-03 01:41:49,258 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:49" (1/1) ... [2022-11-03 01:41:49,471 INFO L138 Inliner]: procedures = 708, calls = 3039, calls flagged for inlining = 320, calls inlined = 256, statements flattened = 6484 [2022-11-03 01:41:49,471 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:41:49,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:41:49,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:41:49,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:41:49,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:49" (1/1) ... [2022-11-03 01:41:49,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:49" (1/1) ... [2022-11-03 01:41:49,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:49" (1/1) ... [2022-11-03 01:41:49,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:49" (1/1) ... [2022-11-03 01:41:49,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:49" (1/1) ... [2022-11-03 01:41:49,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:49" (1/1) ... [2022-11-03 01:41:49,785 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:49" (1/1) ... [2022-11-03 01:41:49,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:49" (1/1) ... [2022-11-03 01:41:49,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:41:49,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:41:49,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:41:49,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:41:49,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:49" (1/1) ... [2022-11-03 01:41:49,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:41:49,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ce000a-7160-40c0-a64a-e80afcd9515a/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:41:49,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ce000a-7160-40c0-a64a-e80afcd9515a/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:41:49,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ce000a-7160-40c0-a64a-e80afcd9515a/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:41:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-03 01:41:49,942 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-03 01:41:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_u32 [2022-11-03 01:41:49,942 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_u32 [2022-11-03 01:41:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_total_size [2022-11-03 01:41:49,943 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_total_size [2022-11-03 01:41:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_count_get [2022-11-03 01:41:49,943 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_count_get [2022-11-03 01:41:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_port_list_get [2022-11-03 01:41:49,943 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_port_list_get [2022-11-03 01:41:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 01:41:49,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 01:41:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_option_get [2022-11-03 01:41:49,944 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_option_get [2022-11-03 01:41:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure __team_change_mode [2022-11-03 01:41:49,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_change_mode [2022-11-03 01:41:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u32 [2022-11-03 01:41:49,945 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u32 [2022-11-03 01:41:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-03 01:41:49,945 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-03 01:41:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 01:41:49,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 01:41:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure team_init [2022-11-03 01:41:49,945 INFO L138 BoogieDeclarations]: Found implementation of procedure team_init [2022-11-03 01:41:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_interval_set [2022-11-03 01:41:49,946 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_interval_set [2022-11-03 01:41:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure team_del_slave [2022-11-03 01:41:49,946 INFO L138 BoogieDeclarations]: Found implementation of procedure team_del_slave [2022-11-03 01:41:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_port_list_get [2022-11-03 01:41:49,946 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_port_list_get [2022-11-03 01:41:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_set [2022-11-03 01:41:49,947 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_set [2022-11-03 01:41:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-03 01:41:49,947 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-03 01:41:49,948 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-03 01:41:49,948 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-03 01:41:49,948 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2022-11-03 01:41:49,948 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2022-11-03 01:41:49,949 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_enabled_check [2022-11-03 01:41:49,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_enabled_check [2022-11-03 01:41:49,949 INFO L130 BoogieDeclarations]: Found specification of procedure team_priority_option_get [2022-11-03 01:41:49,949 INFO L138 BoogieDeclarations]: Found implementation of procedure team_priority_option_get [2022-11-03 01:41:49,949 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_override_fini [2022-11-03 01:41:49,950 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_override_fini [2022-11-03 01:41:49,950 INFO L130 BoogieDeclarations]: Found specification of procedure team_netpoll_cleanup [2022-11-03 01:41:49,950 INFO L138 BoogieDeclarations]: Found implementation of procedure team_netpoll_cleanup [2022-11-03 01:41:49,951 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_mtu [2022-11-03 01:41:49,952 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_mtu [2022-11-03 01:41:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-03 01:41:49,952 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-03 01:41:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 01:41:49,953 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 01:41:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_get_rtnl [2022-11-03 01:41:49,953 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_get_rtnl [2022-11-03 01:41:49,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 01:41:49,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 01:41:49,954 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_mac_address [2022-11-03 01:41:49,955 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_mac_address [2022-11-03 01:41:49,955 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_add [2022-11-03 01:41:49,955 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_add [2022-11-03 01:41:49,956 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_unicast [2022-11-03 01:41:49,956 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_unicast [2022-11-03 01:41:49,956 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_count_set [2022-11-03 01:41:49,956 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_count_set [2022-11-03 01:41:49,956 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_end [2022-11-03 01:41:49,956 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_end [2022-11-03 01:41:49,956 INFO L130 BoogieDeclarations]: Found specification of procedure team_poll_controller [2022-11-03 01:41:49,957 INFO L138 BoogieDeclarations]: Found implementation of procedure team_poll_controller [2022-11-03 01:41:49,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:41:49,958 INFO L130 BoogieDeclarations]: Found specification of procedure team_add_slave [2022-11-03 01:41:49,958 INFO L138 BoogieDeclarations]: Found implementation of procedure team_add_slave [2022-11-03 01:41:49,958 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_option [2022-11-03 01:41:49,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_option [2022-11-03 01:41:49,958 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_unregister [2022-11-03 01:41:49,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_unregister [2022-11-03 01:41:49,959 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_put [2022-11-03 01:41:49,959 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_put [2022-11-03 01:41:49,959 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-03 01:41:49,959 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-03 01:41:49,960 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_trylock [2022-11-03 01:41:49,960 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_trylock [2022-11-03 01:41:49,960 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 01:41:49,960 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 01:41:49,961 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_id_option_set [2022-11-03 01:41:49,961 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_id_option_set [2022-11-03 01:41:49,961 INFO L130 BoogieDeclarations]: Found specification of procedure team_refresh_port_linkup [2022-11-03 01:41:49,962 INFO L138 BoogieDeclarations]: Found implementation of procedure team_refresh_port_linkup [2022-11-03 01:41:49,962 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_new [2022-11-03 01:41:49,962 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_new [2022-11-03 01:41:49,963 INFO L130 BoogieDeclarations]: Found specification of procedure team_user_linkup_option_set [2022-11-03 01:41:49,963 INFO L138 BoogieDeclarations]: Found implementation of procedure team_user_linkup_option_set [2022-11-03 01:41:49,963 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers [2022-11-03 01:41:49,964 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers [2022-11-03 01:41:49,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 01:41:49,964 INFO L130 BoogieDeclarations]: Found specification of procedure __team_port_change_send [2022-11-03 01:41:49,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_port_change_send [2022-11-03 01:41:49,964 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_end [2022-11-03 01:41:49,964 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_end [2022-11-03 01:41:49,965 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_del_rcu [2022-11-03 01:41:49,965 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_del_rcu [2022-11-03 01:41:49,965 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_interval_get [2022-11-03 01:41:49,965 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_interval_get [2022-11-03 01:41:49,966 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_upper_dev_unlink [2022-11-03 01:41:49,966 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_upper_dev_unlink [2022-11-03 01:41:49,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 01:41:49,966 INFO L130 BoogieDeclarations]: Found specification of procedure __team_netpoll_cleanup [2022-11-03 01:41:49,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_netpoll_cleanup [2022-11-03 01:41:49,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 01:41:49,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 01:41:49,970 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u8 [2022-11-03 01:41:49,970 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u8 [2022-11-03 01:41:49,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:41:49,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-03 01:41:49,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-03 01:41:49,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 01:41:49,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 01:41:49,972 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_option_set [2022-11-03 01:41:49,972 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_option_set [2022-11-03 01:41:49,979 INFO L130 BoogieDeclarations]: Found specification of procedure __find_mode [2022-11-03 01:41:49,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_mode [2022-11-03 01:41:49,979 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_mode [2022-11-03 01:41:49,980 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_mode [2022-11-03 01:41:49,980 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-03 01:41:49,980 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-03 01:41:49,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 01:41:49,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 01:41:49,980 INFO L130 BoogieDeclarations]: Found specification of procedure team_ethtool_get_drvinfo [2022-11-03 01:41:49,980 INFO L138 BoogieDeclarations]: Found implementation of procedure team_ethtool_get_drvinfo [2022-11-03 01:41:49,981 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-03 01:41:49,981 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-03 01:41:49,981 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-03 01:41:49,981 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-03 01:41:49,981 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_put [2022-11-03 01:41:49,981 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_put [2022-11-03 01:41:49,982 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_rx_mode [2022-11-03 01:41:49,982 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_rx_mode [2022-11-03 01:41:49,982 INFO L130 BoogieDeclarations]: Found specification of procedure team_setup [2022-11-03 01:41:49,982 INFO L138 BoogieDeclarations]: Found implementation of procedure team_setup [2022-11-03 01:41:49,982 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_index_hash [2022-11-03 01:41:49,982 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_index_hash [2022-11-03 01:41:49,982 INFO L130 BoogieDeclarations]: Found specification of procedure genl_info_net [2022-11-03 01:41:49,983 INFO L138 BoogieDeclarations]: Found implementation of procedure genl_info_net [2022-11-03 01:41:49,983 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-03 01:41:49,983 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-03 01:41:49,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:41:49,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-03 01:41:49,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-03 01:41:49,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-03 01:41:49,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-03 01:41:49,984 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-03 01:41:49,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-03 01:41:49,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:41:49,984 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_fini [2022-11-03 01:41:49,984 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_fini [2022-11-03 01:41:49,984 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-03 01:41:49,984 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-03 01:41:49,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 01:41:49,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 01:41:49,985 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_port [2022-11-03 01:41:49,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_port [2022-11-03 01:41:49,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:41:49,985 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 01:41:49,985 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 01:41:49,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 01:41:49,986 INFO L130 BoogieDeclarations]: Found specification of procedure team_user_linkup_en_option_get [2022-11-03 01:41:49,986 INFO L138 BoogieDeclarations]: Found implementation of procedure team_user_linkup_en_option_get [2022-11-03 01:41:49,986 INFO L130 BoogieDeclarations]: Found specification of procedure read_pnet [2022-11-03 01:41:49,986 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pnet [2022-11-03 01:41:49,986 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_en_option_set [2022-11-03 01:41:49,986 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_en_option_set [2022-11-03 01:41:49,987 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 01:41:49,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 01:41:49,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-03 01:41:49,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-03 01:41:49,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-03 01:41:49,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-03 01:41:49,987 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable [2022-11-03 01:41:49,988 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable [2022-11-03 01:41:49,988 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_set [2022-11-03 01:41:49,989 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_set [2022-11-03 01:41:49,989 INFO L130 BoogieDeclarations]: Found specification of procedure team_adjust_ops [2022-11-03 01:41:49,989 INFO L138 BoogieDeclarations]: Found implementation of procedure team_adjust_ops [2022-11-03 01:41:49,989 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_rx_handler_unregister [2022-11-03 01:41:49,989 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_rx_handler_unregister [2022-11-03 01:41:49,989 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 01:41:49,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 01:41:49,990 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 01:41:49,990 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 01:41:49,990 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_id_option_get [2022-11-03 01:41:49,990 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_id_option_get [2022-11-03 01:41:49,990 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_del [2022-11-03 01:41:49,990 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_del [2022-11-03 01:41:49,990 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-03 01:41:49,990 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-03 01:41:49,991 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_vids_del_by_dev [2022-11-03 01:41:49,991 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_vids_del_by_dev [2022-11-03 01:41:49,991 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin [2022-11-03 01:41:49,991 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin [2022-11-03 01:41:49,991 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_interval_get [2022-11-03 01:41:49,991 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_interval_get [2022-11-03 01:41:49,991 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-03 01:41:49,992 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-03 01:41:49,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:41:49,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:41:49,992 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_noop [2022-11-03 01:41:49,992 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_noop [2022-11-03 01:41:49,992 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_fini [2022-11-03 01:41:49,992 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_fini [2022-11-03 01:41:49,992 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_orig_dev_addr [2022-11-03 01:41:49,993 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_orig_dev_addr [2022-11-03 01:41:49,993 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_port_get [2022-11-03 01:41:49,993 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_port_get [2022-11-03 01:41:49,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdevice_notifier [2022-11-03 01:41:49,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdevice_notifier [2022-11-03 01:41:49,993 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_register [2022-11-03 01:41:49,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_register [2022-11-03 01:41:49,994 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_change_check [2022-11-03 01:41:49,994 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_change_check [2022-11-03 01:41:49,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 01:41:49,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 01:41:49,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 01:41:49,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 01:41:49,994 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-03 01:41:49,995 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-03 01:41:49,995 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_register [2022-11-03 01:41:49,995 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_register [2022-11-03 01:41:49,995 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 01:41:49,995 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 01:41:49,995 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_trim [2022-11-03 01:41:49,995 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_trim [2022-11-03 01:41:49,995 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_put [2022-11-03 01:41:49,996 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_put [2022-11-03 01:41:50,043 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_option [2022-11-03 01:41:50,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_option [2022-11-03 01:41:50,044 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-03 01:41:50,044 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_rcu [2022-11-03 01:41:50,044 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_rcu [2022-11-03 01:41:50,044 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_cancel [2022-11-03 01:41:50,044 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_cancel [2022-11-03 01:41:50,044 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-03 01:41:50,044 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-03 01:41:50,044 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_notifier [2022-11-03 01:41:50,044 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_notifier [2022-11-03 01:41:50,045 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_team_dev_addr [2022-11-03 01:41:50,045 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_team_dev_addr [2022-11-03 01:41:50,045 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 01:41:50,045 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 01:41:50,045 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_add_head_rcu [2022-11-03 01:41:50,045 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_add_head_rcu [2022-11-03 01:41:50,045 INFO L130 BoogieDeclarations]: Found specification of procedure __team_carrier_check [2022-11-03 01:41:50,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_carrier_check [2022-11-03 01:41:50,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 01:41:50,045 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 01:41:50,045 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_start [2022-11-03 01:41:50,045 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_start [2022-11-03 01:41:50,046 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_get [2022-11-03 01:41:50,046 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_get [2022-11-03 01:41:50,046 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_en_option_get [2022-11-03 01:41:50,046 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_en_option_get [2022-11-03 01:41:50,046 INFO L130 BoogieDeclarations]: Found specification of procedure nla_len [2022-11-03 01:41:50,046 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_len [2022-11-03 01:41:50,046 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net [2022-11-03 01:41:50,046 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net [2022-11-03 01:41:50,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:41:50,046 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 01:41:50,046 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 01:41:50,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_team_module_exit_24_2 [2022-11-03 01:41:50,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_team_module_exit_24_2 [2022-11-03 01:41:50,047 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable_netpoll [2022-11-03 01:41:50,047 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable_netpoll [2022-11-03 01:41:50,047 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_del [2022-11-03 01:41:50,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_del [2022-11-03 01:41:50,047 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 01:41:50,047 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 01:41:50,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 01:41:50,047 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-03 01:41:50,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-03 01:41:50,047 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail_rcu [2022-11-03 01:41:50,048 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail_rcu [2022-11-03 01:41:50,048 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_get [2022-11-03 01:41:50,048 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_get [2022-11-03 01:41:50,048 INFO L130 BoogieDeclarations]: Found specification of procedure team_user_linkup_en_option_set [2022-11-03 01:41:50,048 INFO L138 BoogieDeclarations]: Found implementation of procedure team_user_linkup_en_option_set [2022-11-03 01:41:50,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 01:41:50,048 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enabled [2022-11-03 01:41:50,048 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enabled [2022-11-03 01:41:50,048 INFO L130 BoogieDeclarations]: Found specification of procedure __team_find_option [2022-11-03 01:41:50,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_find_option [2022-11-03 01:41:50,048 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2022-11-03 01:41:50,048 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2022-11-03 01:41:50,049 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 01:41:50,049 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 01:41:50,049 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-03 01:41:50,049 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-03 01:41:50,049 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 01:41:50,049 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 01:41:50,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 01:41:50,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 01:41:50,049 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 01:41:50,049 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 01:41:50,049 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_option_get [2022-11-03 01:41:50,049 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_option_get [2022-11-03 01:41:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_interval_set [2022-11-03 01:41:50,050 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_interval_set [2022-11-03 01:41:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure team_is_mode_set [2022-11-03 01:41:50,055 INFO L138 BoogieDeclarations]: Found implementation of procedure team_is_mode_set [2022-11-03 01:41:50,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 01:41:50,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 01:41:50,055 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_change_check [2022-11-03 01:41:50,056 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_change_check [2022-11-03 01:41:50,056 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-03 01:41:50,056 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-03 01:41:50,056 INFO L130 BoogieDeclarations]: Found specification of procedure call_netdevice_notifiers [2022-11-03 01:41:50,056 INFO L138 BoogieDeclarations]: Found implementation of procedure call_netdevice_notifiers [2022-11-03 01:41:50,056 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2022-11-03 01:41:50,056 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2022-11-03 01:41:50,057 INFO L130 BoogieDeclarations]: Found specification of procedure __team_compute_features [2022-11-03 01:41:50,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_compute_features [2022-11-03 01:41:50,057 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_leave [2022-11-03 01:41:50,057 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_leave [2022-11-03 01:41:50,057 INFO L130 BoogieDeclarations]: Found specification of procedure __send_and_alloc_skb [2022-11-03 01:41:50,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __send_and_alloc_skb [2022-11-03 01:41:50,057 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_count_set [2022-11-03 01:41:50,058 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_count_set [2022-11-03 01:41:50,058 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_put [2022-11-03 01:41:50,058 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_put [2022-11-03 01:41:50,058 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 01:41:50,058 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 01:41:50,058 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-11-03 01:41:50,058 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-11-03 01:41:50,059 INFO L130 BoogieDeclarations]: Found specification of procedure __team_get_qom_list [2022-11-03 01:41:50,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_get_qom_list [2022-11-03 01:41:50,059 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 01:41:50,059 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 01:41:50,059 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_cancel [2022-11-03 01:41:50,059 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_cancel [2022-11-03 01:41:50,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:41:50,059 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_get [2022-11-03 01:41:50,060 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_get [2022-11-03 01:41:50,060 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del [2022-11-03 01:41:50,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del [2022-11-03 01:41:50,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 01:41:50,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 01:41:50,060 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_options_get [2022-11-03 01:41:50,060 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_options_get [2022-11-03 01:41:50,061 INFO L130 BoogieDeclarations]: Found specification of procedure team_priority_option_set [2022-11-03 01:41:50,061 INFO L138 BoogieDeclarations]: Found implementation of procedure team_priority_option_set [2022-11-03 01:41:50,061 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_increment_features [2022-11-03 01:41:50,061 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_increment_features [2022-11-03 01:41:50,061 INFO L130 BoogieDeclarations]: Found specification of procedure team_open [2022-11-03 01:41:50,061 INFO L138 BoogieDeclarations]: Found implementation of procedure team_open [2022-11-03 01:41:50,061 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2022-11-03 01:41:50,062 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2022-11-03 01:41:50,062 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_port [2022-11-03 01:41:50,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_port [2022-11-03 01:41:50,062 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_add [2022-11-03 01:41:50,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_add [2022-11-03 01:41:50,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_90 [2022-11-03 01:41:50,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_90 [2022-11-03 01:41:50,078 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_change_check [2022-11-03 01:41:50,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_change_check [2022-11-03 01:41:50,079 INFO L130 BoogieDeclarations]: Found specification of procedure __set_port_dev_addr [2022-11-03 01:41:50,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_port_dev_addr [2022-11-03 01:41:50,079 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2022-11-03 01:41:50,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2022-11-03 01:41:50,080 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-11-03 01:41:50,080 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-11-03 01:41:50,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_91 [2022-11-03 01:41:50,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_91 [2022-11-03 01:41:50,080 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-03 01:41:50,081 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-03 01:41:50,081 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2022-11-03 01:41:50,081 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2022-11-03 01:41:50,082 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_count_get [2022-11-03 01:41:50,083 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_count_get [2022-11-03 01:41:50,083 INFO L130 BoogieDeclarations]: Found specification of procedure team_validate [2022-11-03 01:41:50,083 INFO L138 BoogieDeclarations]: Found implementation of procedure team_validate [2022-11-03 01:41:50,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 01:41:50,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 01:41:50,083 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_free [2022-11-03 01:41:50,083 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_free [2022-11-03 01:41:50,084 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-03 01:41:50,084 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-03 01:41:50,084 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable [2022-11-03 01:41:50,084 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable [2022-11-03 01:41:50,084 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-03 01:41:50,084 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-03 01:41:50,084 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_no_mode [2022-11-03 01:41:50,084 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_no_mode [2022-11-03 01:41:50,088 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_flag [2022-11-03 01:41:50,088 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_flag [2022-11-03 01:41:50,089 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-03 01:41:50,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-03 01:41:50,089 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable_netpoll [2022-11-03 01:41:50,089 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable_netpoll [2022-11-03 01:41:50,089 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enter [2022-11-03 01:41:50,089 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enter [2022-11-03 01:41:50,089 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-03 01:41:50,089 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-03 01:41:50,090 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-03 01:41:50,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_rx_handler_unregister [2022-11-03 01:41:50,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_rx_handler_unregister [2022-11-03 01:41:50,090 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_string [2022-11-03 01:41:50,090 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_string [2022-11-03 01:41:50,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:41:50,090 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-03 01:41:50,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-03 01:41:50,091 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_event_options_get [2022-11-03 01:41:50,091 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_event_options_get [2022-11-03 01:41:50,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 01:41:50,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 01:41:50,091 INFO L130 BoogieDeclarations]: Found specification of procedure team_close [2022-11-03 01:41:50,091 INFO L138 BoogieDeclarations]: Found implementation of procedure team_close [2022-11-03 01:41:50,091 INFO L130 BoogieDeclarations]: Found specification of procedure team_uninit [2022-11-03 01:41:50,092 INFO L138 BoogieDeclarations]: Found implementation of procedure team_uninit [2022-11-03 01:41:50,092 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add [2022-11-03 01:41:50,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add [2022-11-03 01:41:50,092 INFO L130 BoogieDeclarations]: Found specification of procedure team_user_linkup_option_get [2022-11-03 01:41:50,092 INFO L138 BoogieDeclarations]: Found implementation of procedure team_user_linkup_option_get [2022-11-03 01:41:51,216 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:41:51,224 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:41:51,636 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 01:41:56,842 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-03 01:41:56,996 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:41:58,802 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:41:58,802 INFO L300 CfgBuilder]: Removed 12 assume(true) statements. [2022-11-03 01:41:58,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:41:58 BoogieIcfgContainer [2022-11-03 01:41:58,810 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:41:58,813 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:41:58,813 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:41:58,817 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:41:58,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:41:42" (1/3) ... [2022-11-03 01:41:58,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fe1d00a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:41:58, skipping insertion in model container [2022-11-03 01:41:58,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:41:49" (2/3) ... [2022-11-03 01:41:58,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fe1d00a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:41:58, skipping insertion in model container [2022-11-03 01:41:58,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:41:58" (3/3) ... [2022-11-03 01:41:58,820 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-team-team.cil.i [2022-11-03 01:41:58,842 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:41:58,843 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 01:41:58,958 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:41:58,965 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@93d1515, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:41:58,965 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 01:41:58,975 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) [2022-11-03 01:41:59,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2022-11-03 01:41:59,021 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:59,022 INFO L195 NwaCegarLoop]: 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] [2022-11-03 01:41:59,022 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:41:59,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:59,028 INFO L85 PathProgramCache]: Analyzing trace with hash -868692311, now seen corresponding path program 1 times [2022-11-03 01:41:59,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:59,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469240907] [2022-11-03 01:41:59,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:59,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:00,559 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6972 trivial. 0 not checked. [2022-11-03 01:42:00,559 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:00,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469240907] [2022-11-03 01:42:00,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469240907] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:00,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:00,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:42:00,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678517922] [2022-11-03 01:42:00,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:00,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:42:00,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:00,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:42:00,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:42:00,619 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) [2022-11-03 01:42:03,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:03,556 INFO L93 Difference]: Finished difference Result 6469 states and 9306 transitions. [2022-11-03 01:42:03,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:42:03,559 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 [2022-11-03 01:42:03,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:03,628 INFO L225 Difference]: With dead ends: 6469 [2022-11-03 01:42:03,628 INFO L226 Difference]: Without dead ends: 4257 [2022-11-03 01:42:03,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:42:03,656 INFO L413 NwaCegarLoop]: 3372 mSDtfsCounter, 2990 mSDsluCounter, 3124 mSDsCounter, 0 mSdLazyCounter, 824 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:03,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2990 Valid, 6100 Invalid, 829 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 824 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-03 01:42:03,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4257 states. [2022-11-03 01:42:04,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4257 to 4253. [2022-11-03 01:42:04,021 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) [2022-11-03 01:42:04,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4253 states to 4253 states and 5991 transitions. [2022-11-03 01:42:04,054 INFO L78 Accepts]: Start accepts. Automaton has 4253 states and 5991 transitions. Word has length 448 [2022-11-03 01:42:04,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:04,057 INFO L495 AbstractCegarLoop]: Abstraction has 4253 states and 5991 transitions. [2022-11-03 01:42:04,057 INFO L496 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) [2022-11-03 01:42:04,057 INFO L276 IsEmpty]: Start isEmpty. Operand 4253 states and 5991 transitions. [2022-11-03 01:42:04,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2022-11-03 01:42:04,073 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:04,074 INFO L195 NwaCegarLoop]: 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] [2022-11-03 01:42:04,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:42:04,075 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:42:04,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:04,075 INFO L85 PathProgramCache]: Analyzing trace with hash 841966645, now seen corresponding path program 1 times [2022-11-03 01:42:04,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:04,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380818223] [2022-11-03 01:42:04,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:04,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:04,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:04,822 INFO L134 CoverageAnalysis]: Checked inductivity of 7061 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7058 trivial. 0 not checked. [2022-11-03 01:42:04,822 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:04,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380818223] [2022-11-03 01:42:04,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380818223] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:04,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:04,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:42:04,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763744676] [2022-11-03 01:42:04,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:04,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:42:04,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:04,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:42:04,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:42:04,832 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) [2022-11-03 01:42:07,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:07,486 INFO L93 Difference]: Finished difference Result 10456 states and 14713 transitions. [2022-11-03 01:42:07,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:42:07,487 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 [2022-11-03 01:42:07,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:07,533 INFO L225 Difference]: With dead ends: 10456 [2022-11-03 01:42:07,533 INFO L226 Difference]: Without dead ends: 6288 [2022-11-03 01:42:07,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:42:07,553 INFO L413 NwaCegarLoop]: 3229 mSDtfsCounter, 2884 mSDsluCounter, 2991 mSDsCounter, 0 mSdLazyCounter, 826 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2884 SdHoareTripleChecker+Valid, 5838 SdHoareTripleChecker+Invalid, 834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:07,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2884 Valid, 5838 Invalid, 834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 826 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-03 01:42:07,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6288 states. [2022-11-03 01:42:07,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6288 to 6286. [2022-11-03 01:42:07,937 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) [2022-11-03 01:42:07,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6286 states to 6286 states and 8840 transitions. [2022-11-03 01:42:07,988 INFO L78 Accepts]: Start accepts. Automaton has 6286 states and 8840 transitions. Word has length 467 [2022-11-03 01:42:07,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:07,993 INFO L495 AbstractCegarLoop]: Abstraction has 6286 states and 8840 transitions. [2022-11-03 01:42:07,994 INFO L496 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) [2022-11-03 01:42:07,994 INFO L276 IsEmpty]: Start isEmpty. Operand 6286 states and 8840 transitions. [2022-11-03 01:42:08,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2022-11-03 01:42:08,013 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:08,013 INFO L195 NwaCegarLoop]: 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] [2022-11-03 01:42:08,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 01:42:08,014 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:42:08,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:08,016 INFO L85 PathProgramCache]: Analyzing trace with hash 285284582, now seen corresponding path program 1 times [2022-11-03 01:42:08,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:08,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144686744] [2022-11-03 01:42:08,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:08,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:08,821 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6972 trivial. 0 not checked. [2022-11-03 01:42:08,822 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:08,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144686744] [2022-11-03 01:42:08,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144686744] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:08,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:08,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:42:08,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086476629] [2022-11-03 01:42:08,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:08,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:42:08,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:08,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:42:08,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:42:08,826 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) [2022-11-03 01:42:11,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:11,228 INFO L93 Difference]: Finished difference Result 12479 states and 17538 transitions. [2022-11-03 01:42:11,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:42:11,228 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 [2022-11-03 01:42:11,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:11,267 INFO L225 Difference]: With dead ends: 12479 [2022-11-03 01:42:11,267 INFO L226 Difference]: Without dead ends: 6278 [2022-11-03 01:42:11,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:42:11,297 INFO L413 NwaCegarLoop]: 3268 mSDtfsCounter, 2904 mSDsluCounter, 3052 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 2.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:11,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2904 Valid, 5926 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 817 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-03 01:42:11,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6278 states. [2022-11-03 01:42:11,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6278 to 6274. [2022-11-03 01:42:11,605 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) [2022-11-03 01:42:11,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6274 states to 6274 states and 8814 transitions. [2022-11-03 01:42:11,643 INFO L78 Accepts]: Start accepts. Automaton has 6274 states and 8814 transitions. Word has length 471 [2022-11-03 01:42:11,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:11,644 INFO L495 AbstractCegarLoop]: Abstraction has 6274 states and 8814 transitions. [2022-11-03 01:42:11,645 INFO L496 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) [2022-11-03 01:42:11,646 INFO L276 IsEmpty]: Start isEmpty. Operand 6274 states and 8814 transitions. [2022-11-03 01:42:11,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2022-11-03 01:42:11,651 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:11,652 INFO L195 NwaCegarLoop]: 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] [2022-11-03 01:42:11,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 01:42:11,652 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:42:11,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:11,654 INFO L85 PathProgramCache]: Analyzing trace with hash 2139055605, now seen corresponding path program 1 times [2022-11-03 01:42:11,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:11,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068204528] [2022-11-03 01:42:11,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:11,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:11,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:12,375 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6972 trivial. 0 not checked. [2022-11-03 01:42:12,375 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:12,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068204528] [2022-11-03 01:42:12,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068204528] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:12,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:12,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:42:12,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683708833] [2022-11-03 01:42:12,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:12,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:42:12,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:12,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:42:12,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:42:12,380 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) [2022-11-03 01:42:22,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:22,377 INFO L93 Difference]: Finished difference Result 14547 states and 20425 transitions. [2022-11-03 01:42:22,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:42:22,378 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 [2022-11-03 01:42:22,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:22,432 INFO L225 Difference]: With dead ends: 14547 [2022-11-03 01:42:22,433 INFO L226 Difference]: Without dead ends: 8358 [2022-11-03 01:42:22,460 INFO L412 NwaCegarLoop]: 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 [2022-11-03 01:42:22,461 INFO L413 NwaCegarLoop]: 3740 mSDtfsCounter, 7151 mSDsluCounter, 7139 mSDsCounter, 0 mSdLazyCounter, 4745 mSolverCounterSat, 1154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s 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, 9.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:22,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7240 Valid, 9703 Invalid, 5899 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1154 Valid, 4745 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2022-11-03 01:42:22,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8358 states. [2022-11-03 01:42:22,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8358 to 8345. [2022-11-03 01:42:22,991 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) [2022-11-03 01:42:23,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8345 states to 8345 states and 11716 transitions. [2022-11-03 01:42:23,045 INFO L78 Accepts]: Start accepts. Automaton has 8345 states and 11716 transitions. Word has length 476 [2022-11-03 01:42:23,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:23,047 INFO L495 AbstractCegarLoop]: Abstraction has 8345 states and 11716 transitions. [2022-11-03 01:42:23,048 INFO L496 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) [2022-11-03 01:42:23,048 INFO L276 IsEmpty]: Start isEmpty. Operand 8345 states and 11716 transitions. [2022-11-03 01:42:23,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2022-11-03 01:42:23,054 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:23,054 INFO L195 NwaCegarLoop]: 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] [2022-11-03 01:42:23,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 01:42:23,055 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:42:23,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:23,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1402800202, now seen corresponding path program 1 times [2022-11-03 01:42:23,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:23,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635763996] [2022-11-03 01:42:23,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:23,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:23,535 INFO L134 CoverageAnalysis]: Checked inductivity of 6974 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6974 trivial. 0 not checked. [2022-11-03 01:42:23,535 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:23,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635763996] [2022-11-03 01:42:23,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635763996] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:23,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:23,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:42:23,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186145808] [2022-11-03 01:42:23,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:23,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:42:23,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:23,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:42:23,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:42:23,538 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) [2022-11-03 01:42:26,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:26,425 INFO L93 Difference]: Finished difference Result 24617 states and 34810 transitions. [2022-11-03 01:42:26,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:42:26,426 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 [2022-11-03 01:42:26,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:26,538 INFO L225 Difference]: With dead ends: 24617 [2022-11-03 01:42:26,538 INFO L226 Difference]: Without dead ends: 16357 [2022-11-03 01:42:26,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:42:26,585 INFO L413 NwaCegarLoop]: 3302 mSDtfsCounter, 2882 mSDsluCounter, 3060 mSDsCounter, 0 mSdLazyCounter, 830 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2882 SdHoareTripleChecker+Valid, 5972 SdHoareTripleChecker+Invalid, 837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:26,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2882 Valid, 5972 Invalid, 837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 830 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-03 01:42:26,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16357 states. [2022-11-03 01:42:27,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16357 to 16343. [2022-11-03 01:42:27,443 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) [2022-11-03 01:42:27,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16343 states to 16343 states and 23188 transitions. [2022-11-03 01:42:27,677 INFO L78 Accepts]: Start accepts. Automaton has 16343 states and 23188 transitions. Word has length 476 [2022-11-03 01:42:27,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:27,678 INFO L495 AbstractCegarLoop]: Abstraction has 16343 states and 23188 transitions. [2022-11-03 01:42:27,678 INFO L496 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) [2022-11-03 01:42:27,679 INFO L276 IsEmpty]: Start isEmpty. Operand 16343 states and 23188 transitions. [2022-11-03 01:42:27,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2022-11-03 01:42:27,685 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:27,685 INFO L195 NwaCegarLoop]: 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] [2022-11-03 01:42:27,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 01:42:27,685 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:42:27,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:27,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1265583749, now seen corresponding path program 1 times [2022-11-03 01:42:27,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:27,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091959028] [2022-11-03 01:42:27,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:27,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:28,210 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6972 trivial. 0 not checked. [2022-11-03 01:42:28,210 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:28,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091959028] [2022-11-03 01:42:28,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091959028] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:28,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:28,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:42:28,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828471821] [2022-11-03 01:42:28,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:28,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:42:28,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:28,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:42:28,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:42:28,213 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) [2022-11-03 01:42:31,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:31,302 INFO L93 Difference]: Finished difference Result 32583 states and 46214 transitions. [2022-11-03 01:42:31,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:42:31,302 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 [2022-11-03 01:42:31,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:31,390 INFO L225 Difference]: With dead ends: 32583 [2022-11-03 01:42:31,390 INFO L226 Difference]: Without dead ends: 16325 [2022-11-03 01:42:31,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:42:31,440 INFO L413 NwaCegarLoop]: 3938 mSDtfsCounter, 2877 mSDsluCounter, 3052 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s 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, 2.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:31,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2877 Valid, 6596 Invalid, 915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-03 01:42:31,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16325 states. [2022-11-03 01:42:32,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16325 to 16319. [2022-11-03 01:42:32,241 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) [2022-11-03 01:42:32,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16319 states to 16319 states and 23132 transitions. [2022-11-03 01:42:32,327 INFO L78 Accepts]: Start accepts. Automaton has 16319 states and 23132 transitions. Word has length 484 [2022-11-03 01:42:32,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:32,328 INFO L495 AbstractCegarLoop]: Abstraction has 16319 states and 23132 transitions. [2022-11-03 01:42:32,328 INFO L496 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) [2022-11-03 01:42:32,328 INFO L276 IsEmpty]: Start isEmpty. Operand 16319 states and 23132 transitions. [2022-11-03 01:42:32,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2022-11-03 01:42:32,336 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:32,337 INFO L195 NwaCegarLoop]: 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] [2022-11-03 01:42:32,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 01:42:32,337 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:42:32,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:32,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1587395244, now seen corresponding path program 1 times [2022-11-03 01:42:32,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:32,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2557941] [2022-11-03 01:42:32,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:32,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:32,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:32,815 INFO L134 CoverageAnalysis]: Checked inductivity of 6981 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6981 trivial. 0 not checked. [2022-11-03 01:42:32,816 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:32,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2557941] [2022-11-03 01:42:32,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2557941] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:32,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:32,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:42:32,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574242421] [2022-11-03 01:42:32,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:32,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:42:32,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:32,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:42:32,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:42:32,819 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) [2022-11-03 01:42:36,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:36,568 INFO L93 Difference]: Finished difference Result 44366 states and 62808 transitions. [2022-11-03 01:42:36,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:42:36,569 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 [2022-11-03 01:42:36,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:36,740 INFO L225 Difference]: With dead ends: 44366 [2022-11-03 01:42:36,740 INFO L226 Difference]: Without dead ends: 28132 [2022-11-03 01:42:36,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:42:36,804 INFO L413 NwaCegarLoop]: 4119 mSDtfsCounter, 2830 mSDsluCounter, 3048 mSDsCounter, 0 mSdLazyCounter, 974 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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, 2.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:36,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2830 Valid, 6772 Invalid, 980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 974 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-03 01:42:36,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28132 states. [2022-11-03 01:42:38,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28132 to 28118. [2022-11-03 01:42:38,597 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) [2022-11-03 01:42:38,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28118 states to 28118 states and 39758 transitions. [2022-11-03 01:42:38,742 INFO L78 Accepts]: Start accepts. Automaton has 28118 states and 39758 transitions. Word has length 508 [2022-11-03 01:42:38,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:38,743 INFO L495 AbstractCegarLoop]: Abstraction has 28118 states and 39758 transitions. [2022-11-03 01:42:38,743 INFO L496 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) [2022-11-03 01:42:38,744 INFO L276 IsEmpty]: Start isEmpty. Operand 28118 states and 39758 transitions. [2022-11-03 01:42:38,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2022-11-03 01:42:38,753 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:38,754 INFO L195 NwaCegarLoop]: 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] [2022-11-03 01:42:38,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 01:42:38,754 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:42:38,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:38,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1284860737, now seen corresponding path program 1 times [2022-11-03 01:42:38,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:38,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289902635] [2022-11-03 01:42:38,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:38,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:39,232 INFO L134 CoverageAnalysis]: Checked inductivity of 6979 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6979 trivial. 0 not checked. [2022-11-03 01:42:39,232 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:39,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289902635] [2022-11-03 01:42:39,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289902635] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:39,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:39,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:42:39,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792475036] [2022-11-03 01:42:39,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:39,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:42:39,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:39,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:42:39,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:42:39,235 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) [2022-11-03 01:42:43,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:43,694 INFO L93 Difference]: Finished difference Result 76888 states and 108712 transitions. [2022-11-03 01:42:43,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:42:43,695 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 [2022-11-03 01:42:43,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:43,989 INFO L225 Difference]: With dead ends: 76888 [2022-11-03 01:42:43,989 INFO L226 Difference]: Without dead ends: 48855 [2022-11-03 01:42:44,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:42:44,114 INFO L413 NwaCegarLoop]: 3737 mSDtfsCounter, 2903 mSDsluCounter, 3047 mSDsCounter, 0 mSdLazyCounter, 930 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s 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, 2.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:44,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2903 Valid, 6389 Invalid, 937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 930 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-03 01:42:44,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48855 states. [2022-11-03 01:42:46,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48855 to 48829. [2022-11-03 01:42:46,583 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) [2022-11-03 01:42:46,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48829 states to 48829 states and 68991 transitions. [2022-11-03 01:42:46,922 INFO L78 Accepts]: Start accepts. Automaton has 48829 states and 68991 transitions. Word has length 517 [2022-11-03 01:42:46,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:46,923 INFO L495 AbstractCegarLoop]: Abstraction has 48829 states and 68991 transitions. [2022-11-03 01:42:46,923 INFO L496 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) [2022-11-03 01:42:46,923 INFO L276 IsEmpty]: Start isEmpty. Operand 48829 states and 68991 transitions. [2022-11-03 01:42:46,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2022-11-03 01:42:46,942 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:46,943 INFO L195 NwaCegarLoop]: 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] [2022-11-03 01:42:46,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 01:42:46,943 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:42:46,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:46,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1025488083, now seen corresponding path program 1 times [2022-11-03 01:42:46,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:46,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632211731] [2022-11-03 01:42:46,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:46,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:47,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:47,809 INFO L134 CoverageAnalysis]: Checked inductivity of 7364 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 7357 trivial. 0 not checked. [2022-11-03 01:42:47,810 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:47,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632211731] [2022-11-03 01:42:47,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632211731] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:47,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:47,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:42:47,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941094473] [2022-11-03 01:42:47,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:47,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:42:47,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:47,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:42:47,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:42:47,813 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) [2022-11-03 01:42:53,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:53,701 INFO L93 Difference]: Finished difference Result 129289 states and 182821 transitions. [2022-11-03 01:42:53,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:42:53,702 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 [2022-11-03 01:42:53,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:54,441 INFO L225 Difference]: With dead ends: 129289 [2022-11-03 01:42:54,441 INFO L226 Difference]: Without dead ends: 81015 [2022-11-03 01:42:54,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:42:54,587 INFO L413 NwaCegarLoop]: 4381 mSDtfsCounter, 2918 mSDsluCounter, 3050 mSDsCounter, 0 mSdLazyCounter, 1068 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s 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, 2.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:54,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2918 Valid, 7037 Invalid, 1072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1068 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-03 01:42:54,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81015 states. [2022-11-03 01:42:58,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81015 to 80997. [2022-11-03 01:42:58,169 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) [2022-11-03 01:42:58,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80997 states to 80997 states and 114503 transitions. [2022-11-03 01:42:58,535 INFO L78 Accepts]: Start accepts. Automaton has 80997 states and 114503 transitions. Word has length 516 [2022-11-03 01:42:58,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:58,536 INFO L495 AbstractCegarLoop]: Abstraction has 80997 states and 114503 transitions. [2022-11-03 01:42:58,536 INFO L496 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) [2022-11-03 01:42:58,536 INFO L276 IsEmpty]: Start isEmpty. Operand 80997 states and 114503 transitions. [2022-11-03 01:42:58,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2022-11-03 01:42:58,560 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:58,561 INFO L195 NwaCegarLoop]: 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] [2022-11-03 01:42:58,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 01:42:58,561 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:42:58,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:58,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1380791794, now seen corresponding path program 1 times [2022-11-03 01:42:58,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:58,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923922789] [2022-11-03 01:42:58,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:58,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:07,250 INFO L134 CoverageAnalysis]: Checked inductivity of 7568 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 7557 trivial. 0 not checked. [2022-11-03 01:43:07,251 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:43:07,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923922789] [2022-11-03 01:43:07,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923922789] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:43:07,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428341905] [2022-11-03 01:43:07,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:43:07,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:43:07,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ce000a-7160-40c0-a64a-e80afcd9515a/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:43:07,258 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ce000a-7160-40c0-a64a-e80afcd9515a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:43:07,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ce000a-7160-40c0-a64a-e80afcd9515a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 01:43:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:43:08,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 5240 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-03 01:43:08,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:43:59,232 INFO L134 CoverageAnalysis]: Checked inductivity of 7568 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7568 trivial. 0 not checked. [2022-11-03 01:43:59,233 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:43:59,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [428341905] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:43:59,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 01:43:59,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2022-11-03 01:43:59,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849150500] [2022-11-03 01:43:59,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:43:59,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:43:59,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:43:59,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:43:59,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-11-03 01:43:59,236 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) [2022-11-03 01:44:16,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:44:16,735 INFO L93 Difference]: Finished difference Result 145479 states and 207240 transitions. [2022-11-03 01:44:16,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 01:44:16,736 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 [2022-11-03 01:44:16,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:44:17,856 INFO L225 Difference]: With dead ends: 145479 [2022-11-03 01:44:17,856 INFO L226 Difference]: Without dead ends: 145477 [2022-11-03 01:44:17,932 INFO L412 NwaCegarLoop]: 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 [2022-11-03 01:44:17,934 INFO L413 NwaCegarLoop]: 3197 mSDtfsCounter, 2296 mSDsluCounter, 12812 mSDsCounter, 0 mSdLazyCounter, 3129 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s 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, 9.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:44:17,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2297 Valid, 14339 Invalid, 3130 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3129 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2022-11-03 01:44:18,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145477 states.