./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_462221a0-5bf9-4f1e-9476-ba79d5f70f88/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462221a0-5bf9-4f1e-9476-ba79d5f70f88/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462221a0-5bf9-4f1e-9476-ba79d5f70f88/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462221a0-5bf9-4f1e-9476-ba79d5f70f88/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462221a0-5bf9-4f1e-9476-ba79d5f70f88/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462221a0-5bf9-4f1e-9476-ba79d5f70f88/bin/utaipan-g80aRyZoba --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 1f86bd80e1dfdf8246d3fbc9ed5a7a7eb69a7621f24c545347c1a1ff0b611568 --- 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-b5237d8 [2022-11-22 01:45:16,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:45:16,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:45:16,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:45:16,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:45:16,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:45:16,340 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:45:16,345 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:45:16,347 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:45:16,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:45:16,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:45:16,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:45:16,359 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:45:16,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:45:16,366 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:45:16,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:45:16,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:45:16,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:45:16,370 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:45:16,372 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:45:16,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:45:16,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:45:16,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:45:16,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:45:16,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:45:16,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:45:16,395 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:45:16,398 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:45:16,398 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:45:16,399 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:45:16,400 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:45:16,401 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:45:16,403 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:45:16,404 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:45:16,405 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:45:16,405 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:45:16,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:45:16,406 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:45:16,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:45:16,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:45:16,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:45:16,409 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462221a0-5bf9-4f1e-9476-ba79d5f70f88/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 01:45:16,433 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:45:16,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:45:16,434 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:45:16,434 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:45:16,435 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:45:16,435 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:45:16,436 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:45:16,436 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:45:16,436 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:45:16,436 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:45:16,437 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:45:16,437 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:45:16,437 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:45:16,437 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:45:16,438 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:45:16,438 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:45:16,438 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:45:16,438 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:45:16,439 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:45:16,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:45:16,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:45:16,440 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:45:16,440 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:45:16,440 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:45:16,441 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:45:16,441 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:45:16,441 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:45:16,441 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:45:16,442 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:45:16,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:45:16,442 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:45:16,443 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:45:16,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:45:16,443 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:45:16,443 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:45:16,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:45:16,444 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:45:16,444 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:45:16,444 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_462221a0-5bf9-4f1e-9476-ba79d5f70f88/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462221a0-5bf9-4f1e-9476-ba79d5f70f88/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f86bd80e1dfdf8246d3fbc9ed5a7a7eb69a7621f24c545347c1a1ff0b611568 [2022-11-22 01:45:16,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:45:16,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:45:16,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:45:16,724 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:45:16,725 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:45:16,726 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462221a0-5bf9-4f1e-9476-ba79d5f70f88/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-22 01:45:19,814 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:45:20,747 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:45:20,747 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462221a0-5bf9-4f1e-9476-ba79d5f70f88/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-22 01:45:20,858 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462221a0-5bf9-4f1e-9476-ba79d5f70f88/bin/utaipan-g80aRyZoba/data/70a4a494f/ad6d9c34e99a42529f52e41c5cc82862/FLAG20fc2df2c [2022-11-22 01:45:20,878 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462221a0-5bf9-4f1e-9476-ba79d5f70f88/bin/utaipan-g80aRyZoba/data/70a4a494f/ad6d9c34e99a42529f52e41c5cc82862 [2022-11-22 01:45:20,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:45:20,885 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:45:20,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:45:20,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:45:20,891 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:45:20,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:45:20" (1/1) ... [2022-11-22 01:45:20,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b4ce450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:45:20, skipping insertion in model container [2022-11-22 01:45:20,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:45:20" (1/1) ... [2022-11-22 01:45:20,902 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:45:21,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:45:31,294 WARN L237 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_462221a0-5bf9-4f1e-9476-ba79d5f70f88/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[950924,950937] [2022-11-22 01:45:31,299 WARN L237 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_462221a0-5bf9-4f1e-9476-ba79d5f70f88/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[951069,951082] [2022-11-22 01:45:31,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:45:31,471 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:45:32,426 WARN L237 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_462221a0-5bf9-4f1e-9476-ba79d5f70f88/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[950924,950937] [2022-11-22 01:45:32,427 WARN L237 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_462221a0-5bf9-4f1e-9476-ba79d5f70f88/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[951069,951082] [2022-11-22 01:45:32,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:45:33,132 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:45:33,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:45:33 WrapperNode [2022-11-22 01:45:33,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:45:33,149 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:45:33,149 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:45:33,149 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:45:33,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:45:33" (1/1) ... [2022-11-22 01:45:33,552 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:45:33" (1/1) ... [2022-11-22 01:45:34,566 INFO L138 Inliner]: procedures = 866, calls = 16616, calls flagged for inlining = 427, calls inlined = 364, statements flattened = 28764 [2022-11-22 01:45:34,581 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:45:34,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:45:34,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:45:34,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:45:34,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:45:33" (1/1) ... [2022-11-22 01:45:34,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:45:33" (1/1) ... [2022-11-22 01:45:34,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:45:33" (1/1) ... [2022-11-22 01:45:35,018 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:45:33" (1/1) ... [2022-11-22 01:45:35,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:45:33" (1/1) ... [2022-11-22 01:45:35,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:45:33" (1/1) ... [2022-11-22 01:45:36,130 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:45:33" (1/1) ... [2022-11-22 01:45:36,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:45:33" (1/1) ... [2022-11-22 01:45:36,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:45:36,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:45:36,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:45:36,397 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:45:36,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:45:33" (1/1) ... [2022-11-22 01:45:36,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:45:36,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462221a0-5bf9-4f1e-9476-ba79d5f70f88/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:45:36,434 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462221a0-5bf9-4f1e-9476-ba79d5f70f88/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:45:36,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_462221a0-5bf9-4f1e-9476-ba79d5f70f88/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:45:36,488 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_fc_after_link_up [2022-11-22 01:45:36,489 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_fc_after_link_up [2022-11-22 01:45:36,489 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-22 01:45:36,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-22 01:45:36,489 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_collision_dist [2022-11-22 01:45:36,489 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_collision_dist [2022-11-22 01:45:36,490 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_ee_clk [2022-11-22 01:45:36,490 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_ee_clk [2022-11-22 01:45:36,491 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-22 01:45:36,491 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-22 01:45:36,491 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-11-22 01:45:36,491 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-11-22 01:45:36,491 INFO L130 BoogieDeclarations]: Found specification of procedure reg_pattern_test [2022-11-22 01:45:36,491 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_pattern_test [2022-11-22 01:45:36,492 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-22 01:45:36,492 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-22 01:45:36,492 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-22 01:45:36,492 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-22 01:45:36,492 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_unmap_and_free_tx_resource [2022-11-22 01:45:36,492 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_unmap_and_free_tx_resource [2022-11-22 01:45:36,493 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-22 01:45:36,493 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-22 01:45:36,493 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-22 01:45:36,494 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-22 01:45:36,494 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_rctl [2022-11-22 01:45:36,494 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_rctl [2022-11-22 01:45:36,495 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-22 01:45:36,495 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-22 01:45:36,495 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2022-11-22 01:45:36,495 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2022-11-22 01:45:36,495 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset [2022-11-22 01:45:36,496 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset [2022-11-22 01:45:36,496 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-11-22 01:45:36,496 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-11-22 01:45:36,496 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-22 01:45:36,496 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-22 01:45:36,497 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-22 01:45:36,497 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-22 01:45:36,497 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-22 01:45:36,497 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-22 01:45:36,497 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-22 01:45:36,497 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-22 01:45:36,497 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg [2022-11-22 01:45:36,498 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg [2022-11-22 01:45:36,498 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_speed_and_duplex [2022-11-22 01:45:36,498 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_speed_and_duplex [2022-11-22 01:45:36,498 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2022-11-22 01:45:36,499 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2022-11-22 01:45:36,499 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-22 01:45:36,499 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-22 01:45:36,499 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-22 01:45:36,499 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-22 01:45:36,500 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-22 01:45:36,500 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-22 01:45:36,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_113 [2022-11-22 01:45:36,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_113 [2022-11-22 01:45:36,612 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link [2022-11-22 01:45:36,612 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link [2022-11-22 01:45:36,613 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_irq [2022-11-22 01:45:36,613 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_irq [2022-11-22 01:45:36,613 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-22 01:45:36,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-22 01:45:36,613 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_vlan_mode [2022-11-22 01:45:36,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_vlan_mode [2022-11-22 01:45:36,613 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-22 01:45:36,613 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-22 01:45:36,614 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_dsp_after_link_change [2022-11-22 01:45:36,614 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_dsp_after_link_change [2022-11-22 01:45:36,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-22 01:45:36,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-22 01:45:36,614 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_maybe_stop_tx [2022-11-22 01:45:36,614 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_maybe_stop_tx [2022-11-22 01:45:36,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:45:36,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_108 [2022-11-22 01:45:36,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_108 [2022-11-22 01:45:36,615 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_used [2022-11-22 01:45:36,615 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_used [2022-11-22 01:45:36,615 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_force_mac_fc [2022-11-22 01:45:36,615 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_force_mac_fc [2022-11-22 01:45:36,615 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-22 01:45:36,615 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-22 01:45:36,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-22 01:45:36,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-22 01:45:36,616 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_leave_82542_rst [2022-11-22 01:45:36,616 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_leave_82542_rst [2022-11-22 01:45:36,616 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-22 01:45:36,616 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-22 01:45:36,616 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_tx_resources [2022-11-22 01:45:36,616 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_tx_resources [2022-11-22 01:45:36,616 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-22 01:45:36,617 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-22 01:45:36,617 INFO L130 BoogieDeclarations]: Found specification of procedure reg_set_and_check [2022-11-22 01:45:36,617 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_set_and_check [2022-11-22 01:45:36,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:45:36,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-22 01:45:36,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-22 01:45:36,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-22 01:45:36,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-22 01:45:36,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-22 01:45:36,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-11-22 01:45:36,618 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_netpoll [2022-11-22 01:45:36,618 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_netpoll [2022-11-22 01:45:36,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:45:36,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-22 01:45:36,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-22 01:45:36,618 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-22 01:45:36,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-22 01:45:36,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:45:36,619 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_rx_mode [2022-11-22 01:45:36,619 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_rx_mode [2022-11-22 01:45:36,619 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-22 01:45:36,619 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-22 01:45:36,619 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-22 01:45:36,619 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_hw_reset [2022-11-22 01:45:36,619 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_hw_reset [2022-11-22 01:45:36,620 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-22 01:45:36,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-22 01:45:36,621 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_ee_bits [2022-11-22 01:45:36,624 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_ee_bits [2022-11-22 01:45:36,625 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-22 01:45:36,625 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-22 01:45:36,625 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_ee_clk [2022-11-22 01:45:36,625 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_ee_clk [2022-11-22 01:45:36,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-22 01:45:36,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-22 01:45:36,625 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2022-11-22 01:45:36,625 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2022-11-22 01:45:36,625 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-22 01:45:36,626 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-22 01:45:36,626 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-22 01:45:36,626 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-22 01:45:36,626 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom [2022-11-22 01:45:36,626 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom [2022-11-22 01:45:36,626 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_enter_82542_rst [2022-11-22 01:45:36,626 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_enter_82542_rst [2022-11-22 01:45:36,626 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-22 01:45:36,627 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-22 01:45:36,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:45:36,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:45:36,627 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_down_phy [2022-11-22 01:45:36,627 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_down_phy [2022-11-22 01:45:36,627 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-11-22 01:45:36,627 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-11-22 01:45:36,627 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_spi_eeprom_ready [2022-11-22 01:45:36,628 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_spi_eeprom_ready [2022-11-22 01:45:36,628 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_clear_mwi [2022-11-22 01:45:36,628 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_clear_mwi [2022-11-22 01:45:36,628 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-22 01:45:36,628 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-22 01:45:36,628 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_up_phy [2022-11-22 01:45:36,628 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_up_phy [2022-11-22 01:45:36,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 01:45:36,628 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-22 01:45:36,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-22 01:45:36,629 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg_ex [2022-11-22 01:45:36,629 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg_ex [2022-11-22 01:45:36,629 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-22 01:45:36,629 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-22 01:45:36,629 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-22 01:45:36,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-22 01:45:36,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-22 01:45:36,630 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_resume [2022-11-22 01:45:36,630 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_resume [2022-11-22 01:45:36,630 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-22 01:45:36,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-22 01:45:36,630 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-22 01:45:36,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-22 01:45:36,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 01:45:36,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 01:45:36,631 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_mdi_clk [2022-11-22 01:45:36,631 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_mdi_clk [2022-11-22 01:45:36,631 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_mac_to_phy [2022-11-22 01:45:36,631 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_mac_to_phy [2022-11-22 01:45:36,631 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-11-22 01:45:36,631 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-11-22 01:45:36,631 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-22 01:45:36,631 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-22 01:45:36,631 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset_clk_and_crs [2022-11-22 01:45:36,632 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset_clk_and_crs [2022-11-22 01:45:36,632 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-22 01:45:36,632 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-22 01:45:36,646 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-22 01:45:36,646 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-22 01:45:36,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:45:36,646 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-22 01:45:36,646 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-22 01:45:36,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_119 [2022-11-22 01:45:36,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_119 [2022-11-22 01:45:36,647 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_regs_len [2022-11-22 01:45:36,647 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_regs_len [2022-11-22 01:45:36,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:45:36,647 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-22 01:45:36,647 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-22 01:45:36,647 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_tx_resources [2022-11-22 01:45:36,647 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_tx_resources [2022-11-22 01:45:36,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2022-11-22 01:45:36,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2022-11-22 01:45:36,648 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_setup_autoneg [2022-11-22 01:45:36,648 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_setup_autoneg [2022-11-22 01:45:36,648 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_mng_vlan [2022-11-22 01:45:36,649 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_mng_vlan [2022-11-22 01:45:36,649 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_filter_on_off [2022-11-22 01:45:36,649 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_filter_on_off [2022-11-22 01:45:36,649 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-22 01:45:36,649 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-22 01:45:36,650 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_nway_reset [2022-11-22 01:45:36,650 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_nway_reset [2022-11-22 01:45:36,650 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-22 01:45:36,650 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-22 01:45:36,650 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-22 01:45:36,650 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-22 01:45:36,650 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_all_rx_rings [2022-11-22 01:45:36,651 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_all_rx_rings [2022-11-22 01:45:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-22 01:45:36,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-22 01:45:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reinit_locked [2022-11-22 01:45:36,651 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reinit_locked [2022-11-22 01:45:36,652 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2022-11-22 01:45:36,652 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2022-11-22 01:45:36,652 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_phy_reg [2022-11-22 01:45:36,652 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_phy_reg [2022-11-22 01:45:36,652 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_rx_resources [2022-11-22 01:45:36,652 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_rx_resources [2022-11-22 01:45:36,653 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-22 01:45:36,653 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-22 01:45:36,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-11-22 01:45:36,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-11-22 01:45:36,653 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_copper_link_rtl_setup [2022-11-22 01:45:36,653 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_copper_link_rtl_setup [2022-11-22 01:45:36,653 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_desc_rings [2022-11-22 01:45:36,653 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_desc_rings [2022-11-22 01:45:36,654 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-22 01:45:36,654 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-22 01:45:36,654 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-22 01:45:36,654 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-22 01:45:36,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:45:36,655 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_64k_bound [2022-11-22 01:45:36,658 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_64k_bound [2022-11-22 01:45:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 01:45:36,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 01:45:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_request_irq [2022-11-22 01:45:36,660 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_request_irq [2022-11-22 01:45:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-22 01:45:36,661 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-22 01:45:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_eeprom [2022-11-22 01:45:36,661 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_eeprom [2022-11-22 01:45:36,664 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw [2022-11-22 01:45:36,664 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw [2022-11-22 01:45:36,664 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_disable [2022-11-22 01:45:36,664 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_disable [2022-11-22 01:45:36,664 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-22 01:45:36,664 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-22 01:45:36,664 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_tx_ring [2022-11-22 01:45:36,664 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_tx_ring [2022-11-22 01:45:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-22 01:45:36,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-22 01:45:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_manageability [2022-11-22 01:45:36,665 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_manageability [2022-11-22 01:45:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-22 01:45:36,665 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-22 01:45:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-22 01:45:36,665 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-22 01:45:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_112 [2022-11-22 01:45:36,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_112 [2022-11-22 01:45:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-22 01:45:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-22 01:45:36,666 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-22 01:45:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_rx_ring [2022-11-22 01:45:36,666 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_rx_ring [2022-11-22 01:45:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-22 01:45:36,666 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-22 01:45:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 01:45:36,666 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 01:45:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-22 01:45:36,667 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-22 01:45:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_eeprom [2022-11-22 01:45:36,667 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_eeprom [2022-11-22 01:45:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 01:45:36,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 01:45:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_manageability [2022-11-22 01:45:36,667 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_manageability [2022-11-22 01:45:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_in_ee_bits [2022-11-22 01:45:36,667 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_in_ee_bits [2022-11-22 01:45:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down_and_stop [2022-11-22 01:45:36,668 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down_and_stop [2022-11-22 01:45:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-22 01:45:36,668 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-22 01:45:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-22 01:45:36,668 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-22 01:45:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-22 01:45:36,668 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-22 01:45:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-22 01:45:36,669 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-22 01:45:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_get_info [2022-11-22 01:45:36,669 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_get_info [2022-11-22 01:45:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_do_read_eeprom [2022-11-22 01:45:36,669 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_do_read_eeprom [2022-11-22 01:45:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set [2022-11-22 01:45:36,669 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set [2022-11-22 01:45:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_eeprom_params [2022-11-22 01:45:36,669 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_eeprom_params [2022-11-22 01:45:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2022-11-22 01:45:36,670 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2022-11-22 01:45:36,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-22 01:45:36,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-22 01:45:36,670 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-22 01:45:36,670 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-22 01:45:36,670 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-22 01:45:36,671 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-22 01:45:36,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 01:45:36,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 01:45:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-22 01:45:36,672 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-22 01:45:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:45:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_standby_eeprom [2022-11-22 01:45:36,672 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_standby_eeprom [2022-11-22 01:45:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure_rx [2022-11-22 01:45:36,672 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure_rx [2022-11-22 01:45:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_hw_dev [2022-11-22 01:45:36,673 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_hw_dev [2022-11-22 01:45:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_stats [2022-11-22 01:45:36,673 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_stats [2022-11-22 01:45:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_validate_option [2022-11-22 01:45:36,673 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_validate_option [2022-11-22 01:45:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-22 01:45:36,673 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-22 01:45:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 01:45:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_link [2022-11-22 01:45:36,673 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_link [2022-11-22 01:45:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset [2022-11-22 01:45:36,674 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset [2022-11-22 01:45:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 01:45:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-22 01:45:36,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-22 01:45:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-22 01:45:36,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-22 01:45:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shutdown [2022-11-22 01:45:36,674 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shutdown [2022-11-22 01:45:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-22 01:45:36,675 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-22 01:45:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_disable_receiver [2022-11-22 01:45:36,675 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_disable_receiver [2022-11-22 01:45:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_kill_vid [2022-11-22 01:45:36,675 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_kill_vid [2022-11-22 01:45:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-22 01:45:36,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-22 01:45:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-22 01:45:36,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-22 01:45:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-22 01:45:36,676 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-22 01:45:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-22 01:45:36,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-22 01:45:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_has_link [2022-11-22 01:45:36,676 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_has_link [2022-11-22 01:45:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-22 01:45:36,676 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-22 01:45:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-11-22 01:45:36,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-11-22 01:45:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure pci_wake_from_d3 [2022-11-22 01:45:36,677 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_wake_from_d3 [2022-11-22 01:45:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-22 01:45:36,677 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-22 01:45:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-22 01:45:36,678 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-22 01:45:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-22 01:45:36,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-22 01:45:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-22 01:45:36,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-22 01:45:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-22 01:45:36,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-22 01:45:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_open [2022-11-22 01:45:36,681 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_open [2022-11-22 01:45:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-22 01:45:36,681 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-22 01:45:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_vfta [2022-11-22 01:45:36,681 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_vfta [2022-11-22 01:45:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_remove [2022-11-22 01:45:36,682 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_remove [2022-11-22 01:45:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure [2022-11-22 01:45:36,682 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure [2022-11-22 01:45:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-22 01:45:36,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-22 01:45:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-22 01:45:36,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-22 01:45:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-22 01:45:36,683 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-22 01:45:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_cable_length [2022-11-22 01:45:36,683 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_cable_length [2022-11-22 01:45:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-22 01:45:36,683 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-22 01:45:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_rx_resources [2022-11-22 01:45:36,683 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_rx_resources [2022-11-22 01:45:36,684 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_add_vid [2022-11-22 01:45:36,684 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_add_vid [2022-11-22 01:45:36,684 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-22 01:45:36,684 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-22 01:45:36,684 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_write [2022-11-22 01:45:36,684 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_write [2022-11-22 01:45:36,684 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-22 01:45:36,685 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-22 01:45:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_resume [2022-11-22 01:45:36,685 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_resume [2022-11-22 01:45:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-22 01:45:36,685 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-22 01:45:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_acquire_eeprom [2022-11-22 01:45:36,685 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_acquire_eeprom [2022-11-22 01:45:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-22 01:45:36,686 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-22 01:45:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 01:45:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 01:45:36,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 01:45:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-22 01:45:36,686 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-22 01:45:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-22 01:45:36,687 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-22 01:45:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-22 01:45:36,687 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-22 01:45:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_polarity [2022-11-22 01:45:36,687 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_polarity [2022-11-22 01:45:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-22 01:45:36,687 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-22 01:45:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-22 01:45:36,688 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-22 01:45:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom_len [2022-11-22 01:45:36,688 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom_len [2022-11-22 01:45:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-22 01:45:36,688 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-22 01:45:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_rx_resources [2022-11-22 01:45:36,688 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_rx_resources [2022-11-22 01:45:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-22 01:45:36,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-22 01:45:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_close [2022-11-22 01:45:36,689 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_close [2022-11-22 01:45:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-22 01:45:36,689 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-22 01:45:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-22 01:45:36,689 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-22 01:45:36,690 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-22 01:45:36,690 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-22 01:45:36,690 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-22 01:45:36,690 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-22 01:45:36,690 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-22 01:45:36,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-22 01:45:36,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:45:36,690 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_media_type [2022-11-22 01:45:36,691 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_media_type [2022-11-22 01:45:36,691 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_eeprom [2022-11-22 01:45:36,691 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_eeprom [2022-11-22 01:45:36,691 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_phy_loopback [2022-11-22 01:45:36,691 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_phy_loopback [2022-11-22 01:45:36,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-22 01:45:36,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-22 01:45:36,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-22 01:45:36,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-22 01:45:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-22 01:45:36,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-22 01:45:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_enable [2022-11-22 01:45:36,692 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_enable [2022-11-22 01:45:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_up [2022-11-22 01:45:36,692 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_up [2022-11-22 01:45:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_tx_timeout [2022-11-22 01:45:36,693 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_tx_timeout [2022-11-22 01:45:36,693 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_mdi_clk [2022-11-22 01:45:36,693 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_mdi_clk [2022-11-22 01:45:36,693 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-22 01:45:36,693 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-22 01:45:36,693 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-22 01:45:36,693 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-22 01:45:36,693 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-22 01:45:36,694 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-22 01:45:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_eeprom [2022-11-22 01:45:36,694 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_eeprom [2022-11-22 01:45:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_set_mwi [2022-11-22 01:45:36,694 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_set_mwi [2022-11-22 01:45:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_stats_lock_of_e1000_adapter [2022-11-22 01:45:36,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_stats_lock_of_e1000_adapter [2022-11-22 01:45:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_polarity_reversal_workaround [2022-11-22 01:45:36,695 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_polarity_reversal_workaround [2022-11-22 01:45:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-22 01:45:36,695 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-22 01:45:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-22 01:45:36,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-22 01:45:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 01:45:36,695 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 01:45:36,696 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_link_test [2022-11-22 01:45:36,696 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_link_test [2022-11-22 01:45:36,696 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_mdi_bits [2022-11-22 01:45:36,696 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_mdi_bits [2022-11-22 01:45:36,696 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_spd_dplx [2022-11-22 01:45:36,696 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_spd_dplx [2022-11-22 01:45:36,696 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2022-11-22 01:45:36,696 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2022-11-22 01:45:36,697 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down [2022-11-22 01:45:36,697 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down [2022-11-22 01:45:36,697 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-22 01:45:36,697 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-22 01:45:36,697 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_init_script [2022-11-22 01:45:36,697 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_init_script [2022-11-22 01:45:36,697 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-22 01:45:36,697 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-22 01:45:36,698 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-22 01:45:36,698 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-22 01:45:36,698 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-22 01:45:36,698 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-22 01:45:36,698 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_shutdown [2022-11-22 01:45:36,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_shutdown [2022-11-22 01:45:36,698 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_tx_resources [2022-11-22 01:45:36,698 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_tx_resources [2022-11-22 01:45:36,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-22 01:45:36,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-22 01:45:36,699 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-22 01:45:36,699 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-22 01:45:36,699 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-22 01:45:36,699 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-22 01:45:36,699 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-22 01:45:36,700 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-22 01:45:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_wol_exclusion [2022-11-22 01:45:36,700 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_wol_exclusion [2022-11-22 01:45:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-22 01:45:36,700 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-22 01:45:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_e1000_exit_module_13_2 [2022-11-22 01:45:36,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_e1000_exit_module_13_2 [2022-11-22 01:45:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-22 01:45:36,701 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-22 01:45:36,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_e1000_phy_lock [2022-11-22 01:45:36,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_e1000_phy_lock [2022-11-22 01:45:36,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:45:36,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-22 01:45:36,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-22 01:45:36,701 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-22 01:45:39,057 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:45:39,070 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:45:40,857 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 01:46:42,054 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-22 01:46:42,517 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:46:50,203 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:46:50,203 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-22 01:46:50,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:46:50 BoogieIcfgContainer [2022-11-22 01:46:50,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:46:50,218 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:46:50,218 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:46:50,222 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:46:50,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:45:20" (1/3) ... [2022-11-22 01:46:50,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f0b0bcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:46:50, skipping insertion in model container [2022-11-22 01:46:50,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:45:33" (2/3) ... [2022-11-22 01:46:50,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f0b0bcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:46:50, skipping insertion in model container [2022-11-22 01:46:50,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:46:50" (3/3) ... [2022-11-22 01:46:50,226 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-22 01:46:50,249 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:46:50,249 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-22 01:46:50,425 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:46:50,433 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;@5fe93d5a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:46:50,434 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-22 01:46:50,459 INFO L276 IsEmpty]: Start isEmpty. Operand has 6806 states, 4330 states have (on average 1.3404157043879907) internal successors, (5804), 4423 states have internal predecessors, (5804), 2222 states have call successors, (2222), 255 states have call predecessors, (2222), 254 states have return successors, (2216), 2208 states have call predecessors, (2216), 2216 states have call successors, (2216) [2022-11-22 01:46:50,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2022-11-22 01:46:50,517 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:46:50,518 INFO L195 NwaCegarLoop]: trace histogram [24, 23, 23, 23, 23, 23, 23, 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] [2022-11-22 01:46:50,519 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:46:50,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:46:50,524 INFO L85 PathProgramCache]: Analyzing trace with hash -399983492, now seen corresponding path program 1 times [2022-11-22 01:46:50,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:46:50,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143516581] [2022-11-22 01:46:50,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:46:50,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:46:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:46:52,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2073 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2073 trivial. 0 not checked. [2022-11-22 01:46:52,512 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:46:52,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143516581] [2022-11-22 01:46:52,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143516581] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:46:52,513 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:46:52,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:46:52,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516837841] [2022-11-22 01:46:52,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:46:52,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:46:52,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:46:52,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:46:52,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:46:52,563 INFO L87 Difference]: Start difference. First operand has 6806 states, 4330 states have (on average 1.3404157043879907) internal successors, (5804), 4423 states have internal predecessors, (5804), 2222 states have call successors, (2222), 255 states have call predecessors, (2222), 254 states have return successors, (2216), 2208 states have call predecessors, (2216), 2216 states have call successors, (2216) Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-22 01:46:59,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:47:01,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:47:10,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:47:12,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:47:15,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:47:18,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:47:18,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:47:18,408 INFO L93 Difference]: Finished difference Result 18495 states and 27912 transitions. [2022-11-22 01:47:18,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:47:18,412 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 280 [2022-11-22 01:47:18,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:47:18,533 INFO L225 Difference]: With dead ends: 18495 [2022-11-22 01:47:18,533 INFO L226 Difference]: Without dead ends: 11662 [2022-11-22 01:47:18,593 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 [2022-11-22 01:47:18,596 INFO L413 NwaCegarLoop]: 11011 mSDtfsCounter, 7397 mSDsluCounter, 9294 mSDsCounter, 0 mSdLazyCounter, 1722 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7397 SdHoareTripleChecker+Valid, 20305 SdHoareTripleChecker+Invalid, 1732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1722 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:47:18,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7397 Valid, 20305 Invalid, 1732 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1722 Invalid, 3 Unknown, 0 Unchecked, 24.9s Time] [2022-11-22 01:47:18,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11662 states. [2022-11-22 01:47:19,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11662 to 11655. [2022-11-22 01:47:19,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11655 states, 7450 states have (on average 1.3361073825503356) internal successors, (9954), 7598 states have internal predecessors, (9954), 3745 states have call successors, (3745), 459 states have call predecessors, (3745), 458 states have return successors, (3745), 3731 states have call predecessors, (3745), 3745 states have call successors, (3745) [2022-11-22 01:47:20,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11655 states to 11655 states and 17444 transitions. [2022-11-22 01:47:20,032 INFO L78 Accepts]: Start accepts. Automaton has 11655 states and 17444 transitions. Word has length 280 [2022-11-22 01:47:20,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:47:20,034 INFO L495 AbstractCegarLoop]: Abstraction has 11655 states and 17444 transitions. [2022-11-22 01:47:20,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-22 01:47:20,036 INFO L276 IsEmpty]: Start isEmpty. Operand 11655 states and 17444 transitions. [2022-11-22 01:47:20,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2022-11-22 01:47:20,045 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:47:20,046 INFO L195 NwaCegarLoop]: trace histogram [24, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:47:20,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:47:20,046 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:47:20,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:47:20,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1194407578, now seen corresponding path program 1 times [2022-11-22 01:47:20,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:47:20,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178238584] [2022-11-22 01:47:20,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:47:20,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:47:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:47:22,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2070 trivial. 0 not checked. [2022-11-22 01:47:22,212 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:47:22,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178238584] [2022-11-22 01:47:22,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178238584] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:47:22,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:47:22,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:47:22,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286782831] [2022-11-22 01:47:22,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:47:22,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:47:22,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:47:22,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:47:22,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:47:22,217 INFO L87 Difference]: Start difference. First operand 11655 states and 17444 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-22 01:47:26,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:47:34,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:47:36,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:47:38,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:47:40,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:47:43,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:47:48,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:47:50,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:47:52,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:47:53,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:47:53,641 INFO L93 Difference]: Finished difference Result 29137 states and 43621 transitions. [2022-11-22 01:47:53,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:47:53,642 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 280 [2022-11-22 01:47:53,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:47:53,780 INFO L225 Difference]: With dead ends: 29137 [2022-11-22 01:47:53,780 INFO L226 Difference]: Without dead ends: 17529 [2022-11-22 01:47:53,861 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 [2022-11-22 01:47:53,862 INFO L413 NwaCegarLoop]: 16373 mSDtfsCounter, 8615 mSDsluCounter, 9282 mSDsCounter, 0 mSdLazyCounter, 2266 mSolverCounterSat, 17 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8616 SdHoareTripleChecker+Valid, 25655 SdHoareTripleChecker+Invalid, 2286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 2266 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:47:53,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8616 Valid, 25655 Invalid, 2286 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 2266 Invalid, 3 Unknown, 0 Unchecked, 30.4s Time] [2022-11-22 01:47:53,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17529 states. [2022-11-22 01:47:55,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17529 to 17521. [2022-11-22 01:47:55,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17521 states, 11192 states have (on average 1.3325589706933525) internal successors, (14914), 11417 states have internal predecessors, (14914), 5647 states have call successors, (5647), 681 states have call predecessors, (5647), 680 states have return successors, (5648), 5623 states have call predecessors, (5648), 5647 states have call successors, (5648) [2022-11-22 01:47:55,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17521 states to 17521 states and 26209 transitions. [2022-11-22 01:47:55,474 INFO L78 Accepts]: Start accepts. Automaton has 17521 states and 26209 transitions. Word has length 280 [2022-11-22 01:47:55,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:47:55,475 INFO L495 AbstractCegarLoop]: Abstraction has 17521 states and 26209 transitions. [2022-11-22 01:47:55,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-22 01:47:55,476 INFO L276 IsEmpty]: Start isEmpty. Operand 17521 states and 26209 transitions. [2022-11-22 01:47:55,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2022-11-22 01:47:55,487 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:47:55,488 INFO L195 NwaCegarLoop]: trace histogram [27, 23, 23, 23, 23, 23, 23, 4, 4, 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] [2022-11-22 01:47:55,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:47:55,488 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:47:55,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:47:55,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1259581342, now seen corresponding path program 1 times [2022-11-22 01:47:55,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:47:55,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062118969] [2022-11-22 01:47:55,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:47:55,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:47:55,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:47:57,323 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2238 trivial. 0 not checked. [2022-11-22 01:47:57,324 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:47:57,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062118969] [2022-11-22 01:47:57,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062118969] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:47:57,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:47:57,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:47:57,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297043084] [2022-11-22 01:47:57,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:47:57,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:47:57,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:47:57,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:47:57,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:47:57,330 INFO L87 Difference]: Start difference. First operand 17521 states and 26209 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, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-22 01:48:01,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:48:08,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:48:09,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:48:11,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:48:14,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:48:19,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:48:20,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:48:22,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:48:25,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:48:25,191 INFO L93 Difference]: Finished difference Result 40874 states and 61155 transitions. [2022-11-22 01:48:25,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:48:25,191 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, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 327 [2022-11-22 01:48:25,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:48:25,347 INFO L225 Difference]: With dead ends: 40874 [2022-11-22 01:48:25,347 INFO L226 Difference]: Without dead ends: 23400 [2022-11-22 01:48:25,453 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 [2022-11-22 01:48:25,456 INFO L413 NwaCegarLoop]: 17250 mSDtfsCounter, 8615 mSDsluCounter, 9274 mSDsCounter, 0 mSdLazyCounter, 2370 mSolverCounterSat, 15 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8616 SdHoareTripleChecker+Valid, 26524 SdHoareTripleChecker+Invalid, 2389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 2370 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:48:25,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8616 Valid, 26524 Invalid, 2389 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 2370 Invalid, 4 Unknown, 0 Unchecked, 26.9s Time] [2022-11-22 01:48:25,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23400 states. [2022-11-22 01:48:27,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23400 to 23392. [2022-11-22 01:48:27,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23392 states, 14934 states have (on average 1.3307888040712468) internal successors, (19874), 15236 states have internal predecessors, (19874), 7552 states have call successors, (7552), 905 states have call predecessors, (7552), 904 states have return successors, (7554), 7518 states have call predecessors, (7554), 7552 states have call successors, (7554) [2022-11-22 01:48:27,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23392 states to 23392 states and 34980 transitions. [2022-11-22 01:48:27,526 INFO L78 Accepts]: Start accepts. Automaton has 23392 states and 34980 transitions. Word has length 327 [2022-11-22 01:48:27,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:48:27,527 INFO L495 AbstractCegarLoop]: Abstraction has 23392 states and 34980 transitions. [2022-11-22 01:48:27,527 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, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-22 01:48:27,527 INFO L276 IsEmpty]: Start isEmpty. Operand 23392 states and 34980 transitions. [2022-11-22 01:48:27,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2022-11-22 01:48:27,537 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:48:27,537 INFO L195 NwaCegarLoop]: trace histogram [29, 23, 23, 23, 23, 23, 23, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2022-11-22 01:48:27,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:48:27,538 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:48:27,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:48:27,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1718502755, now seen corresponding path program 1 times [2022-11-22 01:48:27,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:48:27,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448163058] [2022-11-22 01:48:27,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:48:27,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:48:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:48:47,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2441 trivial. 0 not checked. [2022-11-22 01:48:47,150 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:48:47,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448163058] [2022-11-22 01:48:47,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448163058] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:48:47,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:48:47,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 01:48:47,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896967978] [2022-11-22 01:48:47,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:48:47,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:48:47,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:48:47,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:48:47,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:48:47,152 INFO L87 Difference]: Start difference. First operand 23392 states and 34980 transitions. Second operand has 6 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-22 01:48:57,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:48:59,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:49:16,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:49:18,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:49:25,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:49:26,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:49:29,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:49:31,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:49:34,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:49:51,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:50:00,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:50:00,766 INFO L93 Difference]: Finished difference Result 39042 states and 58233 transitions. [2022-11-22 01:50:00,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 01:50:00,766 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42) Word has length 389 [2022-11-22 01:50:00,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:50:01,037 INFO L225 Difference]: With dead ends: 39042 [2022-11-22 01:50:01,037 INFO L226 Difference]: Without dead ends: 39040 [2022-11-22 01:50:01,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-22 01:50:01,074 INFO L413 NwaCegarLoop]: 13105 mSDtfsCounter, 6848 mSDsluCounter, 45444 mSDsCounter, 0 mSdLazyCounter, 8709 mSolverCounterSat, 8 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6857 SdHoareTripleChecker+Valid, 58549 SdHoareTripleChecker+Invalid, 8722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 8709 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:50:01,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6857 Valid, 58549 Invalid, 8722 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [8 Valid, 8709 Invalid, 5 Unknown, 0 Unchecked, 70.4s Time] [2022-11-22 01:50:01,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39040 states. [2022-11-22 01:50:04,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39040 to 39022. [2022-11-22 01:50:04,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39022 states, 24742 states have (on average 1.3243876808665427) internal successors, (32768), 25463 states have internal predecessors, (32768), 12618 states have call successors, (12618), 1693 states have call predecessors, (12618), 1660 states have return successors, (12825), 12355 states have call predecessors, (12825), 12618 states have call successors, (12825) [2022-11-22 01:50:05,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39022 states to 39022 states and 58211 transitions. [2022-11-22 01:50:05,223 INFO L78 Accepts]: Start accepts. Automaton has 39022 states and 58211 transitions. Word has length 389 [2022-11-22 01:50:05,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:50:05,224 INFO L495 AbstractCegarLoop]: Abstraction has 39022 states and 58211 transitions. [2022-11-22 01:50:05,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-22 01:50:05,225 INFO L276 IsEmpty]: Start isEmpty. Operand 39022 states and 58211 transitions. [2022-11-22 01:50:05,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2022-11-22 01:50:05,235 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:50:05,236 INFO L195 NwaCegarLoop]: trace histogram [29, 23, 23, 23, 23, 23, 23, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-22 01:50:05,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:50:05,236 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:50:05,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:50:05,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1944388496, now seen corresponding path program 1 times [2022-11-22 01:50:05,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:50:05,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380085920] [2022-11-22 01:50:05,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:50:05,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:50:05,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:50:06,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2452 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 2428 trivial. 0 not checked. [2022-11-22 01:50:06,884 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:50:06,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380085920] [2022-11-22 01:50:06,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380085920] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:50:06,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:50:06,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:50:06,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142015901] [2022-11-22 01:50:06,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:50:06,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:50:06,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:50:06,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:50:06,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:50:06,886 INFO L87 Difference]: Start difference. First operand 39022 states and 58211 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-11-22 01:50:11,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:50:19,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:50:21,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:50:42,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:50:45,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:50:47,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:50:52,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:51:01,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:51:01,634 INFO L93 Difference]: Finished difference Result 88011 states and 131187 transitions. [2022-11-22 01:51:01,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:51:01,635 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 410 [2022-11-22 01:51:01,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:51:01,976 INFO L225 Difference]: With dead ends: 88011 [2022-11-22 01:51:01,977 INFO L226 Difference]: Without dead ends: 49036 [2022-11-22 01:51:02,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:51:02,196 INFO L413 NwaCegarLoop]: 17271 mSDtfsCounter, 8794 mSDsluCounter, 22518 mSDsCounter, 0 mSdLazyCounter, 7653 mSolverCounterSat, 16 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8795 SdHoareTripleChecker+Valid, 39789 SdHoareTripleChecker+Invalid, 7675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 7653 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:51:02,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8795 Valid, 39789 Invalid, 7675 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [16 Valid, 7653 Invalid, 6 Unknown, 0 Unchecked, 50.5s Time] [2022-11-22 01:51:02,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49036 states. [2022-11-22 01:51:06,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49036 to 49022. [2022-11-22 01:51:06,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49022 states, 31047 states have (on average 1.3222211485811834) internal successors, (41051), 31954 states have internal predecessors, (41051), 15839 states have call successors, (15839), 2175 states have call predecessors, (15839), 2134 states have return successors, (16092), 15505 states have call predecessors, (16092), 15839 states have call successors, (16092) [2022-11-22 01:51:07,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49022 states to 49022 states and 72982 transitions. [2022-11-22 01:51:07,093 INFO L78 Accepts]: Start accepts. Automaton has 49022 states and 72982 transitions. Word has length 410 [2022-11-22 01:51:07,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:51:07,096 INFO L495 AbstractCegarLoop]: Abstraction has 49022 states and 72982 transitions. [2022-11-22 01:51:07,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-11-22 01:51:07,096 INFO L276 IsEmpty]: Start isEmpty. Operand 49022 states and 72982 transitions. [2022-11-22 01:51:07,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2022-11-22 01:51:07,112 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:51:07,113 INFO L195 NwaCegarLoop]: trace histogram [31, 23, 23, 23, 23, 23, 23, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2022-11-22 01:51:07,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 01:51:07,113 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:51:07,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:51:07,114 INFO L85 PathProgramCache]: Analyzing trace with hash 703919380, now seen corresponding path program 1 times [2022-11-22 01:51:07,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:51:07,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935643386] [2022-11-22 01:51:07,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:51:07,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:51:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:51:09,269 INFO L134 CoverageAnalysis]: Checked inductivity of 2669 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 2624 trivial. 0 not checked. [2022-11-22 01:51:09,270 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:51:09,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935643386] [2022-11-22 01:51:09,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935643386] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:51:09,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:51:09,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:51:09,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130811008] [2022-11-22 01:51:09,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:51:09,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:51:09,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:51:09,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:51:09,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:51:09,273 INFO L87 Difference]: Start difference. First operand 49022 states and 72982 transitions. Second operand has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 2 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-11-22 01:51:13,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:51:17,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:51:24,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:51:26,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:51:29,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:51:31,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:51:40,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:51:43,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:51:46,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:51:50,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:51:50,142 INFO L93 Difference]: Finished difference Result 109019 states and 163457 transitions. [2022-11-22 01:51:50,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:51:50,143 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 2 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 465 [2022-11-22 01:51:50,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:51:50,634 INFO L225 Difference]: With dead ends: 109019 [2022-11-22 01:51:50,634 INFO L226 Difference]: Without dead ends: 60044 [2022-11-22 01:51:50,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:51:50,943 INFO L413 NwaCegarLoop]: 10965 mSDtfsCounter, 2457 mSDsluCounter, 19413 mSDsCounter, 0 mSdLazyCounter, 2679 mSolverCounterSat, 1010 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2457 SdHoareTripleChecker+Valid, 30378 SdHoareTripleChecker+Invalid, 3693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1010 IncrementalHoareTripleChecker+Valid, 2679 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.7s IncrementalHoareTripleChecker+Time [2022-11-22 01:51:50,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2457 Valid, 30378 Invalid, 3693 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1010 Valid, 2679 Invalid, 4 Unknown, 0 Unchecked, 35.7s Time] [2022-11-22 01:51:51,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60044 states. [2022-11-22 01:51:56,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60044 to 49030. [2022-11-22 01:51:56,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49030 states, 31055 states have (on average 1.3221381420061182) internal successors, (41059), 31962 states have internal predecessors, (41059), 15839 states have call successors, (15839), 2175 states have call predecessors, (15839), 2134 states have return successors, (16092), 15505 states have call predecessors, (16092), 15839 states have call successors, (16092) [2022-11-22 01:51:57,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49030 states to 49030 states and 72990 transitions. [2022-11-22 01:51:57,624 INFO L78 Accepts]: Start accepts. Automaton has 49030 states and 72990 transitions. Word has length 465 [2022-11-22 01:51:57,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:51:57,625 INFO L495 AbstractCegarLoop]: Abstraction has 49030 states and 72990 transitions. [2022-11-22 01:51:57,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 2 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-11-22 01:51:57,626 INFO L276 IsEmpty]: Start isEmpty. Operand 49030 states and 72990 transitions. [2022-11-22 01:51:57,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2022-11-22 01:51:57,639 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:51:57,639 INFO L195 NwaCegarLoop]: trace histogram [31, 23, 23, 23, 23, 23, 23, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2022-11-22 01:51:57,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 01:51:57,640 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:51:57,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:51:57,641 INFO L85 PathProgramCache]: Analyzing trace with hash -63560654, now seen corresponding path program 1 times [2022-11-22 01:51:57,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:51:57,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898638321] [2022-11-22 01:51:57,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:51:57,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:51:58,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:51:59,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2669 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 2624 trivial. 0 not checked. [2022-11-22 01:51:59,610 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:51:59,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898638321] [2022-11-22 01:51:59,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898638321] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:51:59,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:51:59,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:51:59,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909119085] [2022-11-22 01:51:59,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:51:59,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:51:59,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:51:59,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:51:59,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:51:59,614 INFO L87 Difference]: Start difference. First operand 49030 states and 72990 transitions. Second operand has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 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) [2022-11-22 01:52:04,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:52:10,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:52:15,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:52:17,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:52:19,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:52:30,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:52:43,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:52:45,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:52:52,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:52:52,756 INFO L93 Difference]: Finished difference Result 107833 states and 160565 transitions. [2022-11-22 01:52:52,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:52:52,761 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 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 465 [2022-11-22 01:52:52,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:52:53,020 INFO L225 Difference]: With dead ends: 107833 [2022-11-22 01:52:53,020 INFO L226 Difference]: Without dead ends: 58850 [2022-11-22 01:52:53,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:52:53,369 INFO L413 NwaCegarLoop]: 15628 mSDtfsCounter, 8631 mSDsluCounter, 21097 mSDsCounter, 0 mSdLazyCounter, 7123 mSolverCounterSat, 13 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8632 SdHoareTripleChecker+Valid, 36725 SdHoareTripleChecker+Invalid, 7140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 7123 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.7s IncrementalHoareTripleChecker+Time [2022-11-22 01:52:53,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8632 Valid, 36725 Invalid, 7140 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [13 Valid, 7123 Invalid, 4 Unknown, 0 Unchecked, 47.7s Time] [2022-11-22 01:52:53,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58850 states. [2022-11-22 01:52:58,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58850 to 58840. [2022-11-22 01:52:58,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58840 states, 37276 states have (on average 1.3217619916300032) internal successors, (49270), 38365 states have internal predecessors, (49270), 19010 states have call successors, (19010), 2601 states have call predecessors, (19010), 2552 states have return successors, (19309), 18609 states have call predecessors, (19309), 19010 states have call successors, (19309) [2022-11-22 01:52:58,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58840 states to 58840 states and 87589 transitions. [2022-11-22 01:52:58,433 INFO L78 Accepts]: Start accepts. Automaton has 58840 states and 87589 transitions. Word has length 465 [2022-11-22 01:52:58,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:52:58,434 INFO L495 AbstractCegarLoop]: Abstraction has 58840 states and 87589 transitions. [2022-11-22 01:52:58,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 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) [2022-11-22 01:52:58,435 INFO L276 IsEmpty]: Start isEmpty. Operand 58840 states and 87589 transitions. [2022-11-22 01:52:58,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2022-11-22 01:52:58,442 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:52:58,442 INFO L195 NwaCegarLoop]: trace histogram [32, 25, 25, 25, 25, 25, 25, 11, 11, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:52:58,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 01:52:58,443 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:52:58,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:52:58,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1041089764, now seen corresponding path program 1 times [2022-11-22 01:52:58,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:52:58,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021715411] [2022-11-22 01:52:58,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:52:58,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:52:59,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:53:00,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2996 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2996 trivial. 0 not checked. [2022-11-22 01:53:00,979 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:53:00,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021715411] [2022-11-22 01:53:00,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021715411] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:53:00,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:53:00,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:53:00,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771077375] [2022-11-22 01:53:00,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:53:00,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:53:00,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:53:00,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:53:00,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:53:00,984 INFO L87 Difference]: Start difference. First operand 58840 states and 87589 transitions. Second operand has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 2 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2022-11-22 01:53:04,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:53:15,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:53:17,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:53:31,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:53:39,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:53:47,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:53:55,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:53:55,669 INFO L93 Difference]: Finished difference Result 158510 states and 240227 transitions. [2022-11-22 01:53:55,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:53:55,670 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 2 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 479 [2022-11-22 01:53:55,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:53:56,682 INFO L225 Difference]: With dead ends: 158510 [2022-11-22 01:53:56,682 INFO L226 Difference]: Without dead ends: 99717 [2022-11-22 01:53:57,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:53:57,158 INFO L413 NwaCegarLoop]: 13790 mSDtfsCounter, 3805 mSDsluCounter, 23424 mSDsCounter, 0 mSdLazyCounter, 3447 mSolverCounterSat, 1009 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4851 SdHoareTripleChecker+Valid, 37214 SdHoareTripleChecker+Invalid, 4460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1009 IncrementalHoareTripleChecker+Valid, 3447 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:53:57,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4851 Valid, 37214 Invalid, 4460 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1009 Valid, 3447 Invalid, 4 Unknown, 0 Unchecked, 42.3s Time] [2022-11-22 01:53:57,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99717 states.