./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.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_e75e48dd-ba92-4fb8-8c00-356a0dfac86a/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75e48dd-ba92-4fb8-8c00-356a0dfac86a/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_e75e48dd-ba92-4fb8-8c00-356a0dfac86a/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75e48dd-ba92-4fb8-8c00-356a0dfac86a/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75e48dd-ba92-4fb8-8c00-356a0dfac86a/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_e75e48dd-ba92-4fb8-8c00-356a0dfac86a/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 6162e3697ecc88478a9c00bc18778c9599dfc320129b47fc6800efff4bcaa814 --- 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 00:26:54,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:26:54,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:26:54,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:26:54,627 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:26:54,630 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:26:54,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:26:54,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:26:54,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:26:54,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:26:54,649 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:26:54,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:26:54,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:26:54,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:26:54,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:26:54,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:26:54,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:26:54,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:26:54,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:26:54,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:26:54,668 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:26:54,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:26:54,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:26:54,673 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:26:54,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:26:54,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:26:54,683 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:26:54,685 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:26:54,685 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:26:54,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:26:54,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:26:54,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:26:54,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:26:54,695 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:26:54,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:26:54,697 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:26:54,697 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:26:54,698 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:26:54,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:26:54,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:26:54,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:26:54,702 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75e48dd-ba92-4fb8-8c00-356a0dfac86a/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 00:26:54,725 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:26:54,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:26:54,726 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 00:26:54,726 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 00:26:54,727 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:26:54,727 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 00:26:54,728 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 00:26:54,728 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 00:26:54,728 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 00:26:54,729 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 00:26:54,729 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 00:26:54,729 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 00:26:54,729 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 00:26:54,730 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 00:26:54,730 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 00:26:54,730 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 00:26:54,731 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 00:26:54,731 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 00:26:54,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:26:54,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:26:54,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:26:54,733 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:26:54,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:26:54,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:26:54,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:26:54,734 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:26:54,734 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:26:54,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:26:54,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 00:26:54,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:26:54,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:26:54,735 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 00:26:54,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:26:54,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:26:54,736 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 00:26:54,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:26:54,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:26:54,737 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 00:26:54,737 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_e75e48dd-ba92-4fb8-8c00-356a0dfac86a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75e48dd-ba92-4fb8-8c00-356a0dfac86a/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6162e3697ecc88478a9c00bc18778c9599dfc320129b47fc6800efff4bcaa814 [2022-11-22 00:26:55,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:26:55,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:26:55,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:26:55,102 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:26:55,102 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:26:55,103 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75e48dd-ba92-4fb8-8c00-356a0dfac86a/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-11-22 00:26:58,128 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:26:58,929 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:26:58,930 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75e48dd-ba92-4fb8-8c00-356a0dfac86a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-11-22 00:26:58,999 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75e48dd-ba92-4fb8-8c00-356a0dfac86a/bin/utaipan-g80aRyZoba/data/d7b33d347/334bf6e8f220418d9873b8c9b56297d7/FLAG6f68a8f1f [2022-11-22 00:26:59,026 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75e48dd-ba92-4fb8-8c00-356a0dfac86a/bin/utaipan-g80aRyZoba/data/d7b33d347/334bf6e8f220418d9873b8c9b56297d7 [2022-11-22 00:26:59,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:26:59,032 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:26:59,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:26:59,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:26:59,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:26:59,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:26:59" (1/1) ... [2022-11-22 00:26:59,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b0c3d6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:59, skipping insertion in model container [2022-11-22 00:26:59,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:26:59" (1/1) ... [2022-11-22 00:26:59,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:26:59,311 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:27:04,811 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_e75e48dd-ba92-4fb8-8c00-356a0dfac86a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[551922,551935] [2022-11-22 00:27:04,822 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_e75e48dd-ba92-4fb8-8c00-356a0dfac86a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552067,552080] [2022-11-22 00:27:04,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:27:04,964 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:27:05,515 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_e75e48dd-ba92-4fb8-8c00-356a0dfac86a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[551922,551935] [2022-11-22 00:27:05,516 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_e75e48dd-ba92-4fb8-8c00-356a0dfac86a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552067,552080] [2022-11-22 00:27:05,525 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:27:05,945 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:27:05,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:05 WrapperNode [2022-11-22 00:27:05,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:27:05,948 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:27:05,948 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:27:05,948 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:27:05,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:05" (1/1) ... [2022-11-22 00:27:06,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:05" (1/1) ... [2022-11-22 00:27:06,651 INFO L138 Inliner]: procedures = 696, calls = 6668, calls flagged for inlining = 358, calls inlined = 317, statements flattened = 11820 [2022-11-22 00:27:06,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:27:06,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:27:06,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:27:06,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:27:06,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:05" (1/1) ... [2022-11-22 00:27:06,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:05" (1/1) ... [2022-11-22 00:27:06,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:05" (1/1) ... [2022-11-22 00:27:06,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:05" (1/1) ... [2022-11-22 00:27:06,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:05" (1/1) ... [2022-11-22 00:27:07,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:05" (1/1) ... [2022-11-22 00:27:07,065 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:05" (1/1) ... [2022-11-22 00:27:07,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:05" (1/1) ... [2022-11-22 00:27:07,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:27:07,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:27:07,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:27:07,146 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:27:07,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:05" (1/1) ... [2022-11-22 00:27:07,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:27:07,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75e48dd-ba92-4fb8-8c00-356a0dfac86a/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:27:07,179 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75e48dd-ba92-4fb8-8c00-356a0dfac86a/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 00:27:07,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e75e48dd-ba92-4fb8-8c00-356a0dfac86a/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 00:27:07,289 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-22 00:27:07,289 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-22 00:27:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_disable [2022-11-22 00:27:07,297 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_disable [2022-11-22 00:27:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 00:27:07,297 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 00:27:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-22 00:27:07,297 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-22 00:27:07,297 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_intr [2022-11-22 00:27:07,298 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_intr [2022-11-22 00:27:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-22 00:27:07,298 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-22 00:27:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 00:27:07,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 00:27:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_minnow_platform_init [2022-11-22 00:27:07,298 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_minnow_platform_init [2022-11-22 00:27:07,298 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_open [2022-11-22 00:27:07,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_open [2022-11-22 00:27:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-22 00:27:07,300 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-22 00:27:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reinit_locked [2022-11-22 00:27:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reinit_locked [2022-11-22 00:27:07,301 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_up_phy [2022-11-22 00:27:07,302 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_up_phy [2022-11-22 00:27:07,302 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_tx_resources [2022-11-22 00:27:07,302 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_tx_resources [2022-11-22 00:27:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-22 00:27:07,303 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-22 00:27:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-22 00:27:07,303 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-22 00:27:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-22 00:27:07,304 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-22 00:27:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_netpoll [2022-11-22 00:27:07,304 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_netpoll [2022-11-22 00:27:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_init_hw [2022-11-22 00:27:07,304 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_init_hw [2022-11-22 00:27:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_rx_resources [2022-11-22 00:27:07,305 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_rx_resources [2022-11-22 00:27:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_tx_resources [2022-11-22 00:27:07,322 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_tx_resources [2022-11-22 00:27:07,322 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-22 00:27:07,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-22 00:27:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2022-11-22 00:27:07,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2022-11-22 00:27:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-22 00:27:07,323 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-22 00:27:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-22 00:27:07,324 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-22 00:27:07,324 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-11-22 00:27:07,324 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-11-22 00:27:07,324 INFO L130 BoogieDeclarations]: Found specification of procedure pch_set_station_address [2022-11-22 00:27:07,324 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_set_station_address [2022-11-22 00:27:07,324 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-22 00:27:07,324 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-22 00:27:07,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-22 00:27:07,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-22 00:27:07,325 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_write [2022-11-22 00:27:07,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_write [2022-11-22 00:27:07,325 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-22 00:27:07,325 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-22 00:27:07,325 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-22 00:27:07,325 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-22 00:27:07,325 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-22 00:27:07,325 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-22 00:27:07,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 00:27:07,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 00:27:07,326 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-22 00:27:07,326 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-22 00:27:07,326 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-22 00:27:07,326 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-22 00:27:07,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 00:27:07,326 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_up [2022-11-22 00:27:07,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_up [2022-11-22 00:27:07,326 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-22 00:27:07,327 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-22 00:27:07,327 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_resume [2022-11-22 00:27:07,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_resume [2022-11-22 00:27:07,327 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-22 00:27:07,327 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-22 00:27:07,327 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_write [2022-11-22 00:27:07,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_write [2022-11-22 00:27:07,327 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-22 00:27:07,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-22 00:27:07,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 00:27:07,328 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-22 00:27:07,328 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-22 00:27:07,328 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-22 00:27:07,328 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-22 00:27:07,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-22 00:27:07,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-22 00:27:07,328 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-22 00:27:07,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-22 00:27:07,328 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_enable_dma_rx [2022-11-22 00:27:07,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_enable_dma_rx [2022-11-22 00:27:07,328 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_configure_rx [2022-11-22 00:27:07,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_configure_rx [2022-11-22 00:27:07,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 00:27:07,329 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_wait_clr_bit [2022-11-22 00:27:07,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_wait_clr_bit [2022-11-22 00:27:07,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-22 00:27:07,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-22 00:27:07,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 00:27:07,329 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-22 00:27:07,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-22 00:27:07,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-22 00:27:07,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-22 00:27:07,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-22 00:27:07,335 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-22 00:27:07,335 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_remove [2022-11-22 00:27:07,336 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_remove [2022-11-22 00:27:07,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-22 00:27:07,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-22 00:27:07,336 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-22 00:27:07,336 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-22 00:27:07,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-22 00:27:07,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-22 00:27:07,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-22 00:27:07,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-22 00:27:07,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-22 00:27:07,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-22 00:27:07,343 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-22 00:27:07,343 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-22 00:27:07,343 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_force_mac_fc [2022-11-22 00:27:07,343 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_force_mac_fc [2022-11-22 00:27:07,344 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_suspend [2022-11-22 00:27:07,344 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_suspend [2022-11-22 00:27:07,344 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-22 00:27:07,344 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-22 00:27:07,344 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-22 00:27:07,344 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-22 00:27:07,344 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-22 00:27:07,344 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-22 00:27:07,345 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2022-11-22 00:27:07,345 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2022-11-22 00:27:07,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 00:27:07,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-22 00:27:07,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-22 00:27:07,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-22 00:27:07,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-22 00:27:07,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-22 00:27:07,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-22 00:27:07,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-11-22 00:27:07,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-11-22 00:27:07,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-22 00:27:07,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-22 00:27:07,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-22 00:27:07,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-22 00:27:07,346 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-22 00:27:07,347 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-22 00:27:07,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 00:27:07,347 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-22 00:27:07,347 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-22 00:27:07,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-22 00:27:07,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-22 00:27:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-22 00:27:07,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-22 00:27:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 00:27:07,348 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 00:27:07,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 00:27:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-22 00:27:07,349 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-22 00:27:07,349 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-22 00:27:07,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-22 00:27:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-22 00:27:07,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-22 00:27:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-22 00:27:07,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-22 00:27:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-22 00:27:07,350 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-22 00:27:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-11-22 00:27:07,350 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-11-22 00:27:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-22 00:27:07,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-22 00:27:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_set_wol_event [2022-11-22 00:27:07,351 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_set_wol_event [2022-11-22 00:27:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-22 00:27:07,351 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-22 00:27:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_ctrl_miim [2022-11-22 00:27:07,351 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_ctrl_miim [2022-11-22 00:27:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-22 00:27:07,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-22 00:27:07,352 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_get_regs_len [2022-11-22 00:27:07,352 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_get_regs_len [2022-11-22 00:27:07,352 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-22 00:27:07,352 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-22 00:27:07,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:27:07,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:27:07,352 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_alloc_rx_buffers [2022-11-22 00:27:07,353 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_alloc_rx_buffers [2022-11-22 00:27:07,353 INFO L130 BoogieDeclarations]: Found specification of procedure __pch_gbe_suspend [2022-11-22 00:27:07,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __pch_gbe_suspend [2022-11-22 00:27:07,353 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-22 00:27:07,353 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-22 00:27:07,353 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_get_bus_info [2022-11-22 00:27:07,353 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_get_bus_info [2022-11-22 00:27:07,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-22 00:27:07,354 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-22 00:27:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_down [2022-11-22 00:27:07,355 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_down [2022-11-22 00:27:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 00:27:07,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 00:27:07,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 00:27:07,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 00:27:07,357 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-11-22 00:27:07,357 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-11-22 00:27:07,357 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_update_stats [2022-11-22 00:27:07,357 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_update_stats [2022-11-22 00:27:07,357 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-22 00:27:07,358 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-22 00:27:07,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-22 00:27:07,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-22 00:27:07,359 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum [2022-11-22 00:27:07,359 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum [2022-11-22 00:27:07,359 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_read [2022-11-22 00:27:07,359 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_read [2022-11-22 00:27:07,359 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_rx_ring [2022-11-22 00:27:07,359 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_rx_ring [2022-11-22 00:27:07,360 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-22 00:27:07,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-22 00:27:07,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2022-11-22 00:27:07,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2022-11-22 00:27:07,361 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_up [2022-11-22 00:27:07,361 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_up [2022-11-22 00:27:07,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 00:27:07,361 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 00:27:07,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_120 [2022-11-22 00:27:07,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_120 [2022-11-22 00:27:07,361 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-22 00:27:07,361 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-22 00:27:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-22 00:27:07,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-22 00:27:07,364 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2022-11-22 00:27:07,365 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2022-11-22 00:27:07,365 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_tx_ring [2022-11-22 00:27:07,365 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_tx_ring [2022-11-22 00:27:07,365 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reset [2022-11-22 00:27:07,365 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reset [2022-11-22 00:27:07,368 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-22 00:27:07,368 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-22 00:27:07,368 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2022-11-22 00:27:07,369 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2022-11-22 00:27:07,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_14_2 [2022-11-22 00:27:07,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_14_2 [2022-11-22 00:27:07,371 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_stop [2022-11-22 00:27:07,371 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_stop [2022-11-22 00:27:07,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 00:27:07,372 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2022-11-22 00:27:07,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2022-11-22 00:27:07,373 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-22 00:27:07,373 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-22 00:27:07,373 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-22 00:27:07,373 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-22 00:27:07,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 00:27:07,373 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_io_resume [2022-11-22 00:27:07,373 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_io_resume [2022-11-22 00:27:07,373 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2022-11-22 00:27:07,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2022-11-22 00:27:07,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_105 [2022-11-22 00:27:07,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_105 [2022-11-22 00:27:07,374 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_read [2022-11-22 00:27:07,374 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_read [2022-11-22 00:27:07,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 00:27:07,374 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-22 00:27:07,374 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-22 00:27:07,374 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-22 00:27:07,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-22 00:27:07,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-22 00:27:07,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-22 00:27:07,375 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_nway_reset [2022-11-22 00:27:07,375 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_nway_reset [2022-11-22 00:27:07,375 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-22 00:27:07,375 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-22 00:27:07,375 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-22 00:27:07,375 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-22 00:27:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_enable [2022-11-22 00:27:07,376 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_enable [2022-11-22 00:27:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-22 00:27:07,376 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-22 00:27:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_hw_reset [2022-11-22 00:27:07,376 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_hw_reset [2022-11-22 00:27:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_tx_timeout [2022-11-22 00:27:07,376 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_tx_timeout [2022-11-22 00:27:07,377 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2022-11-22 00:27:07,377 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2022-11-22 00:27:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-22 00:27:07,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-22 00:27:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-22 00:27:07,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-22 00:27:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2022-11-22 00:27:07,378 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2022-11-22 00:27:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_down_phy [2022-11-22 00:27:07,378 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_down_phy [2022-11-22 00:27:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-22 00:27:07,378 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-22 00:27:07,379 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_mode [2022-11-22 00:27:07,379 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_mode [2022-11-22 00:27:07,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-11-22 00:27:07,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-11-22 00:27:07,379 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-22 00:27:07,379 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-22 00:27:07,379 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-22 00:27:07,379 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-22 00:27:07,379 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rx_resources [2022-11-22 00:27:07,380 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rx_resources [2022-11-22 00:27:07,380 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-22 00:27:07,380 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-22 00:27:07,380 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 00:27:07,380 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 00:27:07,380 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_validate_option [2022-11-22 00:27:07,380 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_validate_option [2022-11-22 00:27:07,380 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_reset_hw [2022-11-22 00:27:07,380 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_reset_hw [2022-11-22 00:27:07,380 INFO L130 BoogieDeclarations]: Found specification of procedure udp_hdr [2022-11-22 00:27:07,381 INFO L138 BoogieDeclarations]: Found implementation of procedure udp_hdr [2022-11-22 00:27:07,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 00:27:07,381 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rctl [2022-11-22 00:27:07,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rctl [2022-11-22 00:27:07,381 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_sw_reset [2022-11-22 00:27:07,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_sw_reset [2022-11-22 00:27:07,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 00:27:07,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 00:27:07,381 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_phy_hw_reset [2022-11-22 00:27:07,382 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_phy_hw_reset [2022-11-22 00:27:07,382 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_write_reg_miic [2022-11-22 00:27:07,382 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_write_reg_miic [2022-11-22 00:27:07,382 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-22 00:27:07,382 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-22 00:27:07,382 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-22 00:27:07,382 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-22 00:27:07,382 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_control_write [2022-11-22 00:27:07,382 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_control_write [2022-11-22 00:27:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_multi [2022-11-22 00:27:07,383 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_multi [2022-11-22 00:27:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_shutdown [2022-11-22 00:27:07,383 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_shutdown [2022-11-22 00:27:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-22 00:27:07,383 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-22 00:27:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-22 00:27:07,383 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-22 00:27:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_read_reg_miic [2022-11-22 00:27:07,383 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_read_reg_miic [2022-11-22 00:27:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-22 00:27:07,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-22 00:27:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_read_mac_addr [2022-11-22 00:27:07,384 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_read_mac_addr [2022-11-22 00:27:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_rgmii_ctrl [2022-11-22 00:27:07,384 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_rgmii_ctrl [2022-11-22 00:27:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2022-11-22 00:27:07,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2022-11-22 00:27:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_down [2022-11-22 00:27:07,384 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_down [2022-11-22 00:27:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_122 [2022-11-22 00:27:07,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_122 [2022-11-22 00:27:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_irq [2022-11-22 00:27:07,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_irq [2022-11-22 00:27:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 00:27:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_mar_set [2022-11-22 00:27:07,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_mar_set [2022-11-22 00:27:07,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-22 00:27:07,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-22 00:27:08,744 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:27:08,753 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:27:09,294 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 00:27:29,591 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-22 00:27:30,284 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:27:33,554 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:27:33,556 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-22 00:27:33,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:27:33 BoogieIcfgContainer [2022-11-22 00:27:33,565 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:27:33,567 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 00:27:33,568 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 00:27:33,572 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 00:27:33,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:26:59" (1/3) ... [2022-11-22 00:27:33,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1843ed03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:27:33, skipping insertion in model container [2022-11-22 00:27:33,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:05" (2/3) ... [2022-11-22 00:27:33,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1843ed03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:27:33, skipping insertion in model container [2022-11-22 00:27:33,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:27:33" (3/3) ... [2022-11-22 00:27:33,577 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-11-22 00:27:33,598 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 00:27:33,598 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-22 00:27:33,722 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 00:27:33,731 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;@cfb98b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 00:27:33,732 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-22 00:27:33,746 INFO L276 IsEmpty]: Start isEmpty. Operand has 2557 states, 1507 states have (on average 1.2893165228931653) internal successors, (1943), 1549 states have internal predecessors, (1943), 878 states have call successors, (878), 172 states have call predecessors, (878), 171 states have return successors, (868), 852 states have call predecessors, (868), 868 states have call successors, (868) [2022-11-22 00:27:33,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-11-22 00:27:33,802 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:27:33,803 INFO L195 NwaCegarLoop]: trace histogram [22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:27:33,803 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 00:27:33,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:27:33,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1835680942, now seen corresponding path program 1 times [2022-11-22 00:27:33,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:27:33,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424658875] [2022-11-22 00:27:33,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:27:33,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:27:34,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:27:35,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2022-11-22 00:27:35,552 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:27:35,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424658875] [2022-11-22 00:27:35,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424658875] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:27:35,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:27:35,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:27:35,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528316903] [2022-11-22 00:27:35,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:27:35,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:27:35,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:27:35,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:27:35,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:27:35,610 INFO L87 Difference]: Start difference. First operand has 2557 states, 1507 states have (on average 1.2893165228931653) internal successors, (1943), 1549 states have internal predecessors, (1943), 878 states have call successors, (878), 172 states have call predecessors, (878), 171 states have return successors, (868), 852 states have call predecessors, (868), 868 states have call successors, (868) Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-22 00:27:41,184 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 00:27:43,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:27:45,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:27:48,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:27:48,431 INFO L93 Difference]: Finished difference Result 7167 states and 10536 transitions. [2022-11-22 00:27:48,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:27:48,433 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 248 [2022-11-22 00:27:48,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:27:48,487 INFO L225 Difference]: With dead ends: 7167 [2022-11-22 00:27:48,488 INFO L226 Difference]: Without dead ends: 4582 [2022-11-22 00:27:48,517 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 00:27:48,521 INFO L413 NwaCegarLoop]: 3827 mSDtfsCounter, 3000 mSDsluCounter, 3067 mSDsCounter, 0 mSdLazyCounter, 1161 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3000 SdHoareTripleChecker+Valid, 6894 SdHoareTripleChecker+Invalid, 1181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1161 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2022-11-22 00:27:48,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3000 Valid, 6894 Invalid, 1181 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 1161 Invalid, 1 Unknown, 0 Unchecked, 12.2s Time] [2022-11-22 00:27:48,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4582 states. [2022-11-22 00:27:48,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4582 to 4577. [2022-11-22 00:27:48,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4577 states, 2729 states have (on average 1.2773909857090509) internal successors, (3486), 2804 states have internal predecessors, (3486), 1518 states have call successors, (1518), 328 states have call predecessors, (1518), 328 states have return successors, (1518), 1487 states have call predecessors, (1518), 1518 states have call successors, (1518) [2022-11-22 00:27:49,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4577 states to 4577 states and 6522 transitions. [2022-11-22 00:27:49,046 INFO L78 Accepts]: Start accepts. Automaton has 4577 states and 6522 transitions. Word has length 248 [2022-11-22 00:27:49,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:27:49,051 INFO L495 AbstractCegarLoop]: Abstraction has 4577 states and 6522 transitions. [2022-11-22 00:27:49,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-22 00:27:49,052 INFO L276 IsEmpty]: Start isEmpty. Operand 4577 states and 6522 transitions. [2022-11-22 00:27:49,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-11-22 00:27:49,065 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:27:49,066 INFO L195 NwaCegarLoop]: trace histogram [22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:27:49,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 00:27:49,068 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 00:27:49,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:27:49,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1575632452, now seen corresponding path program 1 times [2022-11-22 00:27:49,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:27:49,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748334542] [2022-11-22 00:27:49,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:27:49,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:27:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:27:50,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2022-11-22 00:27:50,200 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:27:50,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748334542] [2022-11-22 00:27:50,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748334542] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:27:50,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:27:50,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:27:50,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971002726] [2022-11-22 00:27:50,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:27:50,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:27:50,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:27:50,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:27:50,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:27:50,205 INFO L87 Difference]: Start difference. First operand 4577 states and 6522 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-22 00:27:55,909 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 00:28:00,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:28:00,810 INFO L93 Difference]: Finished difference Result 13270 states and 18871 transitions. [2022-11-22 00:28:00,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:28:00,811 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 249 [2022-11-22 00:28:00,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:28:00,873 INFO L225 Difference]: With dead ends: 13270 [2022-11-22 00:28:00,873 INFO L226 Difference]: Without dead ends: 8736 [2022-11-22 00:28:00,897 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 00:28:00,898 INFO L413 NwaCegarLoop]: 4384 mSDtfsCounter, 3098 mSDsluCounter, 2983 mSDsCounter, 0 mSdLazyCounter, 1292 mSolverCounterSat, 29 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3098 SdHoareTripleChecker+Valid, 7367 SdHoareTripleChecker+Invalid, 1322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1292 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:28:00,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3098 Valid, 7367 Invalid, 1322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1292 Invalid, 1 Unknown, 0 Unchecked, 10.0s Time] [2022-11-22 00:28:00,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8736 states. [2022-11-22 00:28:01,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8736 to 8727. [2022-11-22 00:28:01,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8727 states, 5180 states have (on average 1.2675675675675675) internal successors, (6566), 5332 states have internal predecessors, (6566), 2892 states have call successors, (2892), 653 states have call predecessors, (2892), 653 states have return successors, (2892), 2826 states have call predecessors, (2892), 2892 states have call successors, (2892) [2022-11-22 00:28:01,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8727 states to 8727 states and 12350 transitions. [2022-11-22 00:28:01,447 INFO L78 Accepts]: Start accepts. Automaton has 8727 states and 12350 transitions. Word has length 249 [2022-11-22 00:28:01,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:28:01,448 INFO L495 AbstractCegarLoop]: Abstraction has 8727 states and 12350 transitions. [2022-11-22 00:28:01,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-22 00:28:01,450 INFO L276 IsEmpty]: Start isEmpty. Operand 8727 states and 12350 transitions. [2022-11-22 00:28:01,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-11-22 00:28:01,461 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:28:01,462 INFO L195 NwaCegarLoop]: trace histogram [22, 21, 21, 21, 21, 21, 21, 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] [2022-11-22 00:28:01,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 00:28:01,463 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 00:28:01,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:28:01,473 INFO L85 PathProgramCache]: Analyzing trace with hash -2062868396, now seen corresponding path program 1 times [2022-11-22 00:28:01,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:28:01,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089638629] [2022-11-22 00:28:01,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:28:01,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:28:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:28:02,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1725 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1725 trivial. 0 not checked. [2022-11-22 00:28:02,306 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:28:02,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089638629] [2022-11-22 00:28:02,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089638629] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:28:02,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:28:02,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:28:02,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158716446] [2022-11-22 00:28:02,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:28:02,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:28:02,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:28:02,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:28:02,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:28:02,311 INFO L87 Difference]: Start difference. First operand 8727 states and 12350 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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 00:28:08,343 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 00:28:10,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:28:13,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:28:13,159 INFO L93 Difference]: Finished difference Result 25508 states and 36064 transitions. [2022-11-22 00:28:13,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:28:13,160 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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 273 [2022-11-22 00:28:13,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:28:13,311 INFO L225 Difference]: With dead ends: 25508 [2022-11-22 00:28:13,311 INFO L226 Difference]: Without dead ends: 16824 [2022-11-22 00:28:13,371 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 00:28:13,375 INFO L413 NwaCegarLoop]: 4523 mSDtfsCounter, 3221 mSDsluCounter, 3017 mSDsCounter, 0 mSdLazyCounter, 1285 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3221 SdHoareTripleChecker+Valid, 7540 SdHoareTripleChecker+Invalid, 1299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1285 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:28:13,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3221 Valid, 7540 Invalid, 1299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1285 Invalid, 1 Unknown, 0 Unchecked, 10.1s Time] [2022-11-22 00:28:13,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16824 states. [2022-11-22 00:28:14,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16824 to 16811. [2022-11-22 00:28:14,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16811 states, 9999 states have (on average 1.2646264626462647) internal successors, (12645), 10290 states have internal predecessors, (12645), 5541 states have call successors, (5541), 1269 states have call predecessors, (5541), 1269 states have return successors, (5541), 5416 states have call predecessors, (5541), 5541 states have call successors, (5541) [2022-11-22 00:28:14,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16811 states to 16811 states and 23727 transitions. [2022-11-22 00:28:14,848 INFO L78 Accepts]: Start accepts. Automaton has 16811 states and 23727 transitions. Word has length 273 [2022-11-22 00:28:14,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:28:14,849 INFO L495 AbstractCegarLoop]: Abstraction has 16811 states and 23727 transitions. [2022-11-22 00:28:14,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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 00:28:14,849 INFO L276 IsEmpty]: Start isEmpty. Operand 16811 states and 23727 transitions. [2022-11-22 00:28:14,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2022-11-22 00:28:14,860 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:28:14,860 INFO L195 NwaCegarLoop]: trace histogram [22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:28:14,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 00:28:14,861 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 00:28:14,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:28:14,862 INFO L85 PathProgramCache]: Analyzing trace with hash -2019124049, now seen corresponding path program 1 times [2022-11-22 00:28:14,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:28:14,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341878342] [2022-11-22 00:28:14,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:28:14,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:28:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:28:15,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2022-11-22 00:28:15,488 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:28:15,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341878342] [2022-11-22 00:28:15,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341878342] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:28:15,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:28:15,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:28:15,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850802557] [2022-11-22 00:28:15,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:28:15,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:28:15,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:28:15,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:28:15,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:28:15,492 INFO L87 Difference]: Start difference. First operand 16811 states and 23727 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-22 00:28:19,366 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 00:28:26,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:28:26,012 INFO L93 Difference]: Finished difference Result 45835 states and 64599 transitions. [2022-11-22 00:28:26,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:28:26,013 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 268 [2022-11-22 00:28:26,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:28:26,222 INFO L225 Difference]: With dead ends: 45835 [2022-11-22 00:28:26,223 INFO L226 Difference]: Without dead ends: 29067 [2022-11-22 00:28:26,324 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 00:28:26,329 INFO L413 NwaCegarLoop]: 3747 mSDtfsCounter, 2698 mSDsluCounter, 2982 mSDsCounter, 0 mSdLazyCounter, 1157 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2698 SdHoareTripleChecker+Valid, 6729 SdHoareTripleChecker+Invalid, 1165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1157 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-11-22 00:28:26,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2698 Valid, 6729 Invalid, 1165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1157 Invalid, 1 Unknown, 0 Unchecked, 9.2s Time] [2022-11-22 00:28:26,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29067 states. [2022-11-22 00:28:28,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29067 to 29054. [2022-11-22 00:28:28,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29054 states, 17231 states have (on average 1.2521618014044456) internal successors, (21576), 17731 states have internal predecessors, (21576), 9532 states have call successors, (9532), 2310 states have call predecessors, (9532), 2289 states have return successors, (9777), 9273 states have call predecessors, (9777), 9532 states have call successors, (9777) [2022-11-22 00:28:28,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29054 states to 29054 states and 40885 transitions. [2022-11-22 00:28:28,561 INFO L78 Accepts]: Start accepts. Automaton has 29054 states and 40885 transitions. Word has length 268 [2022-11-22 00:28:28,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:28:28,565 INFO L495 AbstractCegarLoop]: Abstraction has 29054 states and 40885 transitions. [2022-11-22 00:28:28,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-22 00:28:28,566 INFO L276 IsEmpty]: Start isEmpty. Operand 29054 states and 40885 transitions. [2022-11-22 00:28:28,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2022-11-22 00:28:28,580 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:28:28,580 INFO L195 NwaCegarLoop]: trace histogram [24, 21, 21, 21, 21, 21, 21, 3, 3, 3, 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] [2022-11-22 00:28:28,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 00:28:28,581 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 00:28:28,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:28:28,581 INFO L85 PathProgramCache]: Analyzing trace with hash 81507971, now seen corresponding path program 1 times [2022-11-22 00:28:28,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:28:28,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884629154] [2022-11-22 00:28:28,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:28:28,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:28:28,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:28:29,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1828 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1822 trivial. 0 not checked. [2022-11-22 00:28:29,289 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:28:29,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884629154] [2022-11-22 00:28:29,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884629154] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:28:29,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:28:29,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:28:29,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111032022] [2022-11-22 00:28:29,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:28:29,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:28:29,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:28:29,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:28:29,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:28:29,294 INFO L87 Difference]: Start difference. First operand 29054 states and 40885 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-22 00:28:33,835 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 00:28:39,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:28:39,810 INFO L93 Difference]: Finished difference Result 58736 states and 82516 transitions. [2022-11-22 00:28:39,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:28:39,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 286 [2022-11-22 00:28:39,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:28:39,972 INFO L225 Difference]: With dead ends: 58736 [2022-11-22 00:28:39,973 INFO L226 Difference]: Without dead ends: 29725 [2022-11-22 00:28:40,089 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 00:28:40,090 INFO L413 NwaCegarLoop]: 3183 mSDtfsCounter, 730 mSDsluCounter, 3008 mSDsCounter, 0 mSdLazyCounter, 1118 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 730 SdHoareTripleChecker+Valid, 6191 SdHoareTripleChecker+Invalid, 1125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1118 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-11-22 00:28:40,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [730 Valid, 6191 Invalid, 1125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1118 Invalid, 1 Unknown, 0 Unchecked, 9.2s Time] [2022-11-22 00:28:40,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29725 states. [2022-11-22 00:28:41,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29725 to 29725. [2022-11-22 00:28:41,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29725 states, 17649 states have (on average 1.2499291744574763) internal successors, (22060), 18154 states have internal predecessors, (22060), 9692 states have call successors, (9692), 2403 states have call predecessors, (9692), 2382 states have return successors, (9937), 9432 states have call predecessors, (9937), 9692 states have call successors, (9937) [2022-11-22 00:28:41,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29725 states to 29725 states and 41689 transitions. [2022-11-22 00:28:41,628 INFO L78 Accepts]: Start accepts. Automaton has 29725 states and 41689 transitions. Word has length 286 [2022-11-22 00:28:41,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:28:41,629 INFO L495 AbstractCegarLoop]: Abstraction has 29725 states and 41689 transitions. [2022-11-22 00:28:41,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-22 00:28:41,629 INFO L276 IsEmpty]: Start isEmpty. Operand 29725 states and 41689 transitions. [2022-11-22 00:28:41,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2022-11-22 00:28:41,640 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:28:41,640 INFO L195 NwaCegarLoop]: trace histogram [25, 21, 21, 21, 21, 21, 21, 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] [2022-11-22 00:28:41,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 00:28:41,641 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 00:28:41,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:28:41,641 INFO L85 PathProgramCache]: Analyzing trace with hash 531390763, now seen corresponding path program 1 times [2022-11-22 00:28:41,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:28:41,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273009181] [2022-11-22 00:28:41,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:28:41,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:28:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:28:42,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1881 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1878 trivial. 0 not checked. [2022-11-22 00:28:42,709 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:28:42,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273009181] [2022-11-22 00:28:42,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273009181] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:28:42,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:28:42,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:28:42,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312074367] [2022-11-22 00:28:42,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:28:42,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:28:42,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:28:42,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:28:42,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:28:42,713 INFO L87 Difference]: Start difference. First operand 29725 states and 41689 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-22 00:28:47,968 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 00:28:53,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:28:53,842 INFO L93 Difference]: Finished difference Result 71765 states and 100684 transitions. [2022-11-22 00:28:53,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:28:53,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 297 [2022-11-22 00:28:53,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:28:54,066 INFO L225 Difference]: With dead ends: 71765 [2022-11-22 00:28:54,067 INFO L226 Difference]: Without dead ends: 42626 [2022-11-22 00:28:54,179 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 00:28:54,180 INFO L413 NwaCegarLoop]: 4623 mSDtfsCounter, 2923 mSDsluCounter, 2991 mSDsCounter, 0 mSdLazyCounter, 1392 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2923 SdHoareTripleChecker+Valid, 7614 SdHoareTripleChecker+Invalid, 1408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1392 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-11-22 00:28:54,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2923 Valid, 7614 Invalid, 1408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1392 Invalid, 1 Unknown, 0 Unchecked, 9.3s Time] [2022-11-22 00:28:54,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42626 states. [2022-11-22 00:28:56,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42626 to 42614. [2022-11-22 00:28:56,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42614 states, 25329 states have (on average 1.248371431955466) internal successors, (31620), 26052 states have internal predecessors, (31620), 13837 states have call successors, (13837), 3476 states have call predecessors, (13837), 3446 states have return successors, (14180), 13466 states have call predecessors, (14180), 13837 states have call successors, (14180) [2022-11-22 00:28:56,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42614 states to 42614 states and 59637 transitions. [2022-11-22 00:28:56,985 INFO L78 Accepts]: Start accepts. Automaton has 42614 states and 59637 transitions. Word has length 297 [2022-11-22 00:28:56,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:28:56,988 INFO L495 AbstractCegarLoop]: Abstraction has 42614 states and 59637 transitions. [2022-11-22 00:28:56,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-22 00:28:56,988 INFO L276 IsEmpty]: Start isEmpty. Operand 42614 states and 59637 transitions. [2022-11-22 00:28:57,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2022-11-22 00:28:57,016 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:28:57,016 INFO L195 NwaCegarLoop]: trace histogram [27, 21, 21, 21, 21, 21, 21, 5, 5, 4, 4, 4, 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] [2022-11-22 00:28:57,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 00:28:57,017 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 00:28:57,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:28:57,017 INFO L85 PathProgramCache]: Analyzing trace with hash 393229066, now seen corresponding path program 1 times [2022-11-22 00:28:57,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:28:57,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114983320] [2022-11-22 00:28:57,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:28:57,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:28:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:28:57,762 INFO L134 CoverageAnalysis]: Checked inductivity of 2021 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 2001 trivial. 0 not checked. [2022-11-22 00:28:57,762 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:28:57,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114983320] [2022-11-22 00:28:57,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114983320] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:28:57,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:28:57,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:28:57,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004245001] [2022-11-22 00:28:57,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:28:57,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:28:57,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:28:57,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:28:57,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:28:57,766 INFO L87 Difference]: Start difference. First operand 42614 states and 59637 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-22 00:29:02,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:29:04,976 WARN L539 Checker$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 00:29:07,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:29:09,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:29:15,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:29:15,344 INFO L93 Difference]: Finished difference Result 104320 states and 146118 transitions. [2022-11-22 00:29:15,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:29:15,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 330 [2022-11-22 00:29:15,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:29:15,650 INFO L225 Difference]: With dead ends: 104320 [2022-11-22 00:29:15,651 INFO L226 Difference]: Without dead ends: 62292 [2022-11-22 00:29:15,809 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 00:29:15,811 INFO L413 NwaCegarLoop]: 5941 mSDtfsCounter, 3434 mSDsluCounter, 3015 mSDsCounter, 0 mSdLazyCounter, 1663 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3434 SdHoareTripleChecker+Valid, 8956 SdHoareTripleChecker+Invalid, 1674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1663 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:29:15,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3434 Valid, 8956 Invalid, 1674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1663 Invalid, 2 Unknown, 0 Unchecked, 15.1s Time] [2022-11-22 00:29:15,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62292 states. [2022-11-22 00:29:18,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62292 to 62264. [2022-11-22 00:29:18,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62264 states, 37052 states have (on average 1.2482996869264817) internal successors, (46252), 38106 states have internal predecessors, (46252), 20187 states have call successors, (20187), 5065 states have call predecessors, (20187), 5023 states have return successors, (20680), 19650 states have call predecessors, (20680), 20187 states have call successors, (20680) [2022-11-22 00:29:19,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62264 states to 62264 states and 87119 transitions. [2022-11-22 00:29:19,125 INFO L78 Accepts]: Start accepts. Automaton has 62264 states and 87119 transitions. Word has length 330 [2022-11-22 00:29:19,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:29:19,126 INFO L495 AbstractCegarLoop]: Abstraction has 62264 states and 87119 transitions. [2022-11-22 00:29:19,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-22 00:29:19,126 INFO L276 IsEmpty]: Start isEmpty. Operand 62264 states and 87119 transitions. [2022-11-22 00:29:19,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2022-11-22 00:29:19,151 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:29:19,151 INFO L195 NwaCegarLoop]: trace histogram [27, 21, 21, 21, 21, 21, 21, 8, 8, 3, 3, 3, 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] [2022-11-22 00:29:19,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 00:29:19,152 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 00:29:19,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:29:19,152 INFO L85 PathProgramCache]: Analyzing trace with hash 490621592, now seen corresponding path program 1 times [2022-11-22 00:29:19,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:29:19,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559442842] [2022-11-22 00:29:19,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:29:19,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:29:19,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:29:31,136 INFO L134 CoverageAnalysis]: Checked inductivity of 2072 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2072 trivial. 0 not checked. [2022-11-22 00:29:31,136 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:29:31,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559442842] [2022-11-22 00:29:31,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559442842] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:29:31,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:29:31,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 00:29:31,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531797517] [2022-11-22 00:29:31,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:29:31,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 00:29:31,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:29:31,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 00:29:31,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-22 00:29:31,139 INFO L87 Difference]: Start difference. First operand 62264 states and 87119 transitions. Second operand has 6 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-22 00:29:45,439 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 00:29:58,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:29:58,629 INFO L93 Difference]: Finished difference Result 87329 states and 122725 transitions. [2022-11-22 00:29:58,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 00:29:58,629 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) Word has length 359 [2022-11-22 00:29:58,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:29:59,014 INFO L225 Difference]: With dead ends: 87329 [2022-11-22 00:29:59,014 INFO L226 Difference]: Without dead ends: 87327 [2022-11-22 00:29:59,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-22 00:29:59,055 INFO L413 NwaCegarLoop]: 3766 mSDtfsCounter, 2489 mSDsluCounter, 12961 mSDsCounter, 0 mSdLazyCounter, 4242 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2502 SdHoareTripleChecker+Valid, 16727 SdHoareTripleChecker+Invalid, 4248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 4242 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:29:59,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2502 Valid, 16727 Invalid, 4248 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5 Valid, 4242 Invalid, 1 Unknown, 0 Unchecked, 22.0s Time] [2022-11-22 00:29:59,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87327 states. [2022-11-22 00:30:05,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87327 to 87285. [2022-11-22 00:30:05,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87285 states, 51899 states have (on average 1.2428563170774003) internal successors, (64503), 53449 states have internal predecessors, (64503), 28171 states have call successors, (28171), 7286 states have call predecessors, (28171), 7213 states have return successors, (29995), 27307 states have call predecessors, (29995), 28171 states have call successors, (29995) [2022-11-22 00:30:05,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87285 states to 87285 states and 122669 transitions. [2022-11-22 00:30:05,950 INFO L78 Accepts]: Start accepts. Automaton has 87285 states and 122669 transitions. Word has length 359 [2022-11-22 00:30:05,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:30:05,951 INFO L495 AbstractCegarLoop]: Abstraction has 87285 states and 122669 transitions. [2022-11-22 00:30:05,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-22 00:30:05,952 INFO L276 IsEmpty]: Start isEmpty. Operand 87285 states and 122669 transitions. [2022-11-22 00:30:06,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2022-11-22 00:30:06,019 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:30:06,020 INFO L195 NwaCegarLoop]: trace histogram [29, 21, 21, 21, 21, 21, 21, 5, 5, 5, 5, 5, 3, 3, 3, 3, 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] [2022-11-22 00:30:06,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 00:30:06,020 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 00:30:06,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:30:06,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1226698028, now seen corresponding path program 1 times [2022-11-22 00:30:06,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:30:06,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147268992] [2022-11-22 00:30:06,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:30:06,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:30:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:30:07,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2157 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2136 trivial. 0 not checked. [2022-11-22 00:30:07,077 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:30:07,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147268992] [2022-11-22 00:30:07,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147268992] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:30:07,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:30:07,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:30:07,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946339837] [2022-11-22 00:30:07,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:30:07,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:30:07,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:30:07,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:30:07,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:30:07,081 INFO L87 Difference]: Start difference. First operand 87285 states and 122669 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-11-22 00:30:17,796 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 []