./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/bin/utaipan-Q6hlc19bkW --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 7f12a6ac4bce089f19ef4066a141af18d92e5ee667df37b5c066d5e53dadcb49 --- 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-4e7fbc6 [2022-11-23 15:48:50,621 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:48:50,623 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:48:50,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:48:50,647 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:48:50,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:48:50,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:48:50,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:48:50,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:48:50,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:48:50,657 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:48:50,658 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:48:50,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:48:50,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:48:50,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:48:50,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:48:50,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:48:50,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:48:50,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:48:50,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:48:50,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:48:50,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:48:50,679 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:48:50,684 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:48:50,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:48:50,695 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:48:50,696 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:48:50,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:48:50,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:48:50,699 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:48:50,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:48:50,702 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:48:50,703 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:48:50,705 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:48:50,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:48:50,708 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:48:50,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:48:50,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:48:50,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:48:50,712 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:48:50,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:48:50,716 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 15:48:50,765 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:48:50,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:48:50,766 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:48:50,766 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:48:50,768 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:48:50,768 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:48:50,768 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:48:50,768 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:48:50,769 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:48:50,769 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:48:50,770 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:48:50,771 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:48:50,771 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:48:50,771 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:48:50,772 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:48:50,772 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:48:50,772 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:48:50,772 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:48:50,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:48:50,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:48:50,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:48:50,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:48:50,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:48:50,775 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:48:50,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:48:50,776 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:48:50,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:48:50,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:48:50,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:48:50,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:48:50,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:48:50,778 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:48:50,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:48:50,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:48:50,779 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:48:50,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:48:50,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:48:50,780 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:48:50,780 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_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f12a6ac4bce089f19ef4066a141af18d92e5ee667df37b5c066d5e53dadcb49 [2022-11-23 15:48:51,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:48:51,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:48:51,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:48:51,209 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:48:51,210 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:48:51,211 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i [2022-11-23 15:48:54,363 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:48:55,415 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:48:55,416 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i [2022-11-23 15:48:55,514 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/bin/utaipan-Q6hlc19bkW/data/9961d1786/77b86e99a2c247f49497af857234b3fa/FLAG100e6cb8f [2022-11-23 15:48:55,537 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/bin/utaipan-Q6hlc19bkW/data/9961d1786/77b86e99a2c247f49497af857234b3fa [2022-11-23 15:48:55,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:48:55,544 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:48:55,549 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:48:55,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:48:55,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:48:55,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:55" (1/1) ... [2022-11-23 15:48:55,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@598a431b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:55, skipping insertion in model container [2022-11-23 15:48:55,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:55" (1/1) ... [2022-11-23 15:48:55,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:48:55,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:49:04,090 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_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[695830,695843] [2022-11-23 15:49:04,098 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_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[695975,695988] [2022-11-23 15:49:04,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:49:04,294 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:49:05,228 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_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[695830,695843] [2022-11-23 15:49:05,229 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_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[695975,695988] [2022-11-23 15:49:05,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:49:05,859 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:49:05,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:05 WrapperNode [2022-11-23 15:49:05,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:49:05,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:49:05,863 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:49:05,863 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:49:05,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:05" (1/1) ... [2022-11-23 15:49:06,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:05" (1/1) ... [2022-11-23 15:49:06,688 INFO L138 Inliner]: procedures = 829, calls = 8748, calls flagged for inlining = 380, calls inlined = 326, statements flattened = 16748 [2022-11-23 15:49:06,703 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:49:06,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:49:06,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:49:06,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:49:06,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:05" (1/1) ... [2022-11-23 15:49:06,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:05" (1/1) ... [2022-11-23 15:49:06,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:05" (1/1) ... [2022-11-23 15:49:06,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:05" (1/1) ... [2022-11-23 15:49:07,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:05" (1/1) ... [2022-11-23 15:49:07,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:05" (1/1) ... [2022-11-23 15:49:07,671 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:05" (1/1) ... [2022-11-23 15:49:07,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:05" (1/1) ... [2022-11-23 15:49:07,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:49:07,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:49:07,896 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:49:07,896 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:49:07,897 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:05" (1/1) ... [2022-11-23 15:49:07,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:49:07,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:49:07,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:49:08,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:49:08,123 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resolve_flow_ctrl [2022-11-23 15:49:08,123 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resolve_flow_ctrl [2022-11-23 15:49:08,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_126 [2022-11-23 15:49:08,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_126 [2022-11-23 15:49:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-23 15:49:08,124 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-23 15:49:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-23 15:49:08,124 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-23 15:49:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read_dword [2022-11-23 15:49:08,125 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read_dword [2022-11-23 15:49:08,125 INFO L130 BoogieDeclarations]: Found specification of procedure get_l2_fhdr [2022-11-23 15:49:08,125 INFO L138 BoogieDeclarations]: Found implementation of procedure get_l2_fhdr [2022-11-23 15:49:08,125 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_stop [2022-11-23 15:49:08,125 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_stop [2022-11-23 15:49:08,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_143 [2022-11-23 15:49:08,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_143 [2022-11-23 15:49:08,126 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rx_context [2022-11-23 15:49:08,126 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rx_context [2022-11-23 15:49:08,127 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-23 15:49:08,127 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-23 15:49:08,127 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-23 15:49:08,128 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-23 15:49:08,128 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resume [2022-11-23 15:49:08,129 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resume [2022-11-23 15:49:08,129 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2022-11-23 15:49:08,129 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2022-11-23 15:49:08,130 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-23 15:49:08,130 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-23 15:49:08,130 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_data [2022-11-23 15:49:08,131 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_data [2022-11-23 15:49:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_phy [2022-11-23 15:49:08,131 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_phy [2022-11-23 15:49:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-23 15:49:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-23 15:49:08,132 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-23 15:49:08,132 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-23 15:49:08,132 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-23 15:49:08,132 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_napi [2022-11-23 15:49:08,133 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_napi [2022-11-23 15:49:08,133 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_read_phy [2022-11-23 15:49:08,133 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_read_phy [2022-11-23 15:49:08,146 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-23 15:49:08,146 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-23 15:49:08,146 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-23 15:49:08,147 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-23 15:49:08,147 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-23 15:49:08,147 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-23 15:49:08,148 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-23 15:49:08,148 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-23 15:49:08,148 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-23 15:49:08,149 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-23 15:49:08,149 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2022-11-23 15:49:08,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2022-11-23 15:49:08,149 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_mode [2022-11-23 15:49:08,149 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_mode [2022-11-23 15:49:08,149 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-23 15:49:08,150 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-23 15:49:08,150 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_wol [2022-11-23 15:49:08,150 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_wol [2022-11-23 15:49:08,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-23 15:49:08,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-23 15:49:08,151 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_nic [2022-11-23 15:49:08,151 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_nic [2022-11-23 15:49:08,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:49:08,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_indirect_lock_of_bnx2 [2022-11-23 15:49:08,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_indirect_lock_of_bnx2 [2022-11-23 15:49:08,151 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_channels [2022-11-23 15:49:08,152 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_channels [2022-11-23 15:49:08,152 INFO L130 BoogieDeclarations]: Found specification of procedure __bnx2_free_irq [2022-11-23 15:49:08,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __bnx2_free_irq [2022-11-23 15:49:08,153 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-23 15:49:08,153 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-23 15:49:08,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-23 15:49:08,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-23 15:49:08,154 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-23 15:49:08,155 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-23 15:49:08,155 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-23 15:49:08,155 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-23 15:49:08,155 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_open [2022-11-23 15:49:08,156 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_open [2022-11-23 15:49:08,156 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_chip [2022-11-23 15:49:08,156 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_chip [2022-11-23 15:49:08,157 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_settings [2022-11-23 15:49:08,157 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_settings [2022-11-23 15:49:08,157 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-23 15:49:08,157 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-23 15:49:08,157 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2022-11-23 15:49:08,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2022-11-23 15:49:08,158 INFO L130 BoogieDeclarations]: Found specification of procedure check_mips_fw_entry [2022-11-23 15:49:08,158 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mips_fw_entry [2022-11-23 15:49:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_start [2022-11-23 15:49:08,159 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_start [2022-11-23 15:49:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_rd [2022-11-23 15:49:08,159 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_rd [2022-11-23 15:49:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_link [2022-11-23 15:49:08,160 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_link [2022-11-23 15:49:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:49:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-11-23 15:49:08,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-11-23 15:49:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-23 15:49:08,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-23 15:49:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:49:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_indirect_lock_of_bnx2 [2022-11-23 15:49:08,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_indirect_lock_of_bnx2 [2022-11-23 15:49:08,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 15:49:08,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 15:49:08,162 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-23 15:49:08,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-23 15:49:08,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:49:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-23 15:49:08,167 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-23 15:49:08,167 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-23 15:49:08,167 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_pauseparam [2022-11-23 15:49:08,168 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_pauseparam [2022-11-23 15:49:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-23 15:49:08,169 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-23 15:49:08,170 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_one [2022-11-23 15:49:08,170 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_one [2022-11-23 15:49:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-23 15:49:08,174 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-23 15:49:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-23 15:49:08,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-23 15:49:08,187 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2022-11-23 15:49:08,187 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2022-11-23 15:49:08,187 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remove_one [2022-11-23 15:49:08,188 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remove_one [2022-11-23 15:49:08,188 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-23 15:49:08,188 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-23 15:49:08,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-23 15:49:08,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-23 15:49:08,188 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2022-11-23 15:49:08,189 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2022-11-23 15:49:08,189 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_access [2022-11-23 15:49:08,189 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_access [2022-11-23 15:49:08,189 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-23 15:49:08,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-23 15:49:08,189 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-23 15:49:08,190 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-23 15:49:08,190 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2022-11-23 15:49:08,190 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2022-11-23 15:49:08,190 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_run_loopback [2022-11-23 15:49:08,190 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_run_loopback [2022-11-23 15:49:08,190 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_disable [2022-11-23 15:49:08,191 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_disable [2022-11-23 15:49:08,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:49:08,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:49:08,191 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-23 15:49:08,191 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-23 15:49:08,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 15:49:08,192 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-23 15:49:08,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-23 15:49:08,192 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-23 15:49:08,192 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-23 15:49:08,192 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_int [2022-11-23 15:49:08,192 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_int [2022-11-23 15:49:08,193 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-23 15:49:08,193 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-23 15:49:08,193 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-23 15:49:08,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-23 15:49:08,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-23 15:49:08,193 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-23 15:49:08,194 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-23 15:49:08,194 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_nvram_access [2022-11-23 15:49:08,194 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_nvram_access [2022-11-23 15:49:08,194 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_mem [2022-11-23 15:49:08,194 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_mem [2022-11-23 15:49:08,194 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-23 15:49:08,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-23 15:49:08,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 15:49:08,195 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 15:49:08,195 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_nvram_lock [2022-11-23 15:49:08,195 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_nvram_lock [2022-11-23 15:49:08,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-23 15:49:08,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-23 15:49:08,196 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-11-23 15:49:08,196 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-11-23 15:49:08,196 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-23 15:49:08,196 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-23 15:49:08,197 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_avail [2022-11-23 15:49:08,197 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_avail [2022-11-23 15:49:08,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_110 [2022-11-23 15:49:08,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_110 [2022-11-23 15:49:08,197 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-23 15:49:08,197 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-23 15:49:08,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:49:08,198 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_phy [2022-11-23 15:49:08,198 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_phy [2022-11-23 15:49:08,198 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nvram [2022-11-23 15:49:08,198 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nvram [2022-11-23 15:49:08,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:49:08,199 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_remote_link [2022-11-23 15:49:08,199 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_remote_link [2022-11-23 15:49:08,199 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_io_resume [2022-11-23 15:49:08,199 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_io_resume [2022-11-23 15:49:08,199 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_write_phy [2022-11-23 15:49:08,199 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_write_phy [2022-11-23 15:49:08,200 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-23 15:49:08,200 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-23 15:49:08,200 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-23 15:49:08,200 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-23 15:49:08,200 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-23 15:49:08,200 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-23 15:49:08,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_phy_lock_of_bnx2 [2022-11-23 15:49:08,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_phy_lock_of_bnx2 [2022-11-23 15:49:08,201 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_phy_get_pause_adv [2022-11-23 15:49:08,201 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_phy_get_pause_adv [2022-11-23 15:49:08,201 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remote_phy_event [2022-11-23 15:49:08,201 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remote_phy_event [2022-11-23 15:49:08,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-23 15:49:08,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-23 15:49:08,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_104 [2022-11-23 15:49:08,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_104 [2022-11-23 15:49:08,202 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-23 15:49:08,202 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-23 15:49:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-23 15:49:08,203 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-23 15:49:08,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-11-23 15:49:08,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-11-23 15:49:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-23 15:49:08,219 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-23 15:49:08,219 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_cnic_irq_info [2022-11-23 15:49:08,220 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_cnic_irq_info [2022-11-23 15:49:08,220 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-23 15:49:08,220 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-23 15:49:08,220 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_suspend [2022-11-23 15:49:08,220 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_suspend [2022-11-23 15:49:08,220 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mtu [2022-11-23 15:49:08,220 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mtu [2022-11-23 15:49:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:49:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_ringparam [2022-11-23 15:49:08,221 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_ringparam [2022-11-23 15:49:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 15:49:08,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 15:49:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2022-11-23 15:49:08,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2022-11-23 15:49:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_send_heart_beat [2022-11-23 15:49:08,222 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_send_heart_beat [2022-11-23 15:49:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_eeprom_len [2022-11-23 15:49:08,222 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_eeprom_len [2022-11-23 15:49:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-23 15:49:08,222 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-23 15:49:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_firmware [2022-11-23 15:49:08,223 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_firmware [2022-11-23 15:49:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-23 15:49:08,223 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-23 15:49:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_regs_len [2022-11-23 15:49:08,223 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_regs_len [2022-11-23 15:49:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_close [2022-11-23 15:49:08,223 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_close [2022-11-23 15:49:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-23 15:49:08,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-23 15:49:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_coalesce [2022-11-23 15:49:08,224 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_coalesce [2022-11-23 15:49:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_125 [2022-11-23 15:49:08,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_125 [2022-11-23 15:49:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-23 15:49:08,224 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-23 15:49:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-23 15:49:08,224 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-23 15:49:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-23 15:49:08,225 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-23 15:49:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_ring_size [2022-11-23 15:49:08,225 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_ring_size [2022-11-23 15:49:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-23 15:49:08,225 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-23 15:49:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure load_rv2p_fw [2022-11-23 15:49:08,225 INFO L138 BoogieDeclarations]: Found implementation of procedure load_rv2p_fw [2022-11-23 15:49:08,225 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_bmsr1 [2022-11-23 15:49:08,226 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_bmsr1 [2022-11-23 15:49:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-11-23 15:49:08,226 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-11-23 15:49:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int [2022-11-23 15:49:08,226 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int [2022-11-23 15:49:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-23 15:49:08,226 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-23 15:49:08,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 15:49:08,226 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 15:49:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rxbd_rings [2022-11-23 15:49:08,227 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rxbd_rings [2022-11-23 15:49:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-23 15:49:08,227 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-23 15:49:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 15:49:08,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 15:49:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_start [2022-11-23 15:49:08,227 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_start [2022-11-23 15:49:08,227 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_int_mode [2022-11-23 15:49:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_int_mode [2022-11-23 15:49:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-23 15:49:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-23 15:49:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_bmsr1 [2022-11-23 15:49:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_bmsr1 [2022-11-23 15:49:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_11_4 [2022-11-23 15:49:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_11_4 [2022-11-23 15:49:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_forced_2g5 [2022-11-23 15:49:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_forced_2g5 [2022-11-23 15:49:08,228 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-23 15:49:08,229 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-23 15:49:08,229 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_xceiver_str [2022-11-23 15:49:08,229 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_xceiver_str [2022-11-23 15:49:08,229 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-23 15:49:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-23 15:49:08,230 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_ctx_wr [2022-11-23 15:49:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_ctx_wr [2022-11-23 15:49:08,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2022-11-23 15:49:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2022-11-23 15:49:08,231 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-23 15:49:08,231 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-23 15:49:08,231 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_remote_phy [2022-11-23 15:49:08,231 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_remote_phy [2022-11-23 15:49:08,231 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2022-11-23 15:49:08,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2022-11-23 15:49:08,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-23 15:49:08,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-23 15:49:08,232 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-23 15:49:08,232 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-23 15:49:08,232 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-23 15:49:08,235 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-23 15:49:08,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 15:49:08,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 15:49:08,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2022-11-23 15:49:08,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2022-11-23 15:49:08,235 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-23 15:49:08,235 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-23 15:49:08,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:49:08,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-23 15:49:08,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-23 15:49:08,236 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-23 15:49:08,236 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-23 15:49:08,236 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_request_irq [2022-11-23 15:49:08,236 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_request_irq [2022-11-23 15:49:08,237 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_wr_ind [2022-11-23 15:49:08,237 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_wr_ind [2022-11-23 15:49:08,237 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-23 15:49:08,237 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-23 15:49:08,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 15:49:08,237 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_intr [2022-11-23 15:49:08,237 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_intr [2022-11-23 15:49:08,237 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nic [2022-11-23 15:49:08,238 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nic [2022-11-23 15:49:08,238 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-23 15:49:08,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-23 15:49:08,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 15:49:08,238 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_addr [2022-11-23 15:49:08,238 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_addr [2022-11-23 15:49:08,238 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2022-11-23 15:49:08,238 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2022-11-23 15:49:08,239 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_msi [2022-11-23 15:49:08,239 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_msi [2022-11-23 15:49:08,239 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-23 15:49:08,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-23 15:49:08,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-23 15:49:08,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-23 15:49:08,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 15:49:08,239 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 15:49:08,240 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_skbs [2022-11-23 15:49:08,240 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_skbs [2022-11-23 15:49:08,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-23 15:49:08,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-23 15:49:08,240 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_and_enable_2g5 [2022-11-23 15:49:08,240 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_and_enable_2g5 [2022-11-23 15:49:08,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-23 15:49:08,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-23 15:49:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_59 [2022-11-23 15:49:08,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_59 [2022-11-23 15:49:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_self_test [2022-11-23 15:49:08,241 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_self_test [2022-11-23 15:49:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-23 15:49:08,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-23 15:49:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2022-11-23 15:49:08,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2022-11-23 15:49:08,242 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_msix_tbl [2022-11-23 15:49:08,242 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_msix_tbl [2022-11-23 15:49:08,242 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int_sync [2022-11-23 15:49:08,242 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int_sync [2022-11-23 15:49:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_del_napi [2022-11-23 15:49:08,260 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_del_napi [2022-11-23 15:49:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-23 15:49:08,260 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-23 15:49:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_timer [2022-11-23 15:49:08,260 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_timer [2022-11-23 15:49:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-23 15:49:08,261 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-23 15:49:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_enable [2022-11-23 15:49:08,261 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_enable [2022-11-23 15:49:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_29 [2022-11-23 15:49:08,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_29 [2022-11-23 15:49:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_wol [2022-11-23 15:49:08,261 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_wol [2022-11-23 15:49:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 15:49:08,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 15:49:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-23 15:49:08,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-23 15:49:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_timeout [2022-11-23 15:49:08,262 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_timeout [2022-11-23 15:49:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-23 15:49:08,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-23 15:49:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-23 15:49:08,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-23 15:49:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_find_info_keyword [2022-11-23 15:49:08,263 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_find_info_keyword [2022-11-23 15:49:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_acquire_nvram_lock [2022-11-23 15:49:08,263 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_acquire_nvram_lock [2022-11-23 15:49:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-23 15:49:08,263 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-23 15:49:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_53 [2022-11-23 15:49:08,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_53 [2022-11-23 15:49:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_52 [2022-11-23 15:49:08,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_52 [2022-11-23 15:49:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-23 15:49:08,264 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-23 15:49:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_49 [2022-11-23 15:49:08,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_49 [2022-11-23 15:49:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-11-23 15:49:08,265 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-11-23 15:49:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-23 15:49:08,265 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-23 15:49:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-23 15:49:08,265 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-23 15:49:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure check_fw_section [2022-11-23 15:49:08,265 INFO L138 BoogieDeclarations]: Found implementation of procedure check_fw_section [2022-11-23 15:49:08,266 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_settings [2022-11-23 15:49:08,266 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_settings [2022-11-23 15:49:08,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_40 [2022-11-23 15:49:08,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_40 [2022-11-23 15:49:08,266 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-23 15:49:08,266 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-23 15:49:08,266 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-23 15:49:08,266 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-23 15:49:08,267 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-23 15:49:08,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-23 15:49:08,267 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_write_dword [2022-11-23 15:49:08,267 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_write_dword [2022-11-23 15:49:08,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 15:49:08,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 15:49:08,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 15:49:08,267 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_link [2022-11-23 15:49:08,267 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_link [2022-11-23 15:49:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_166 [2022-11-23 15:49:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_166 [2022-11-23 15:49:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-23 15:49:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-23 15:49:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-23 15:49:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-23 15:49:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_phy_lock_of_bnx2 [2022-11-23 15:49:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_phy_lock_of_bnx2 [2022-11-23 15:49:08,269 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-23 15:49:08,269 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-23 15:49:08,269 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nway_reset [2022-11-23 15:49:08,269 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nway_reset [2022-11-23 15:49:08,269 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_work [2022-11-23 15:49:08,269 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_work [2022-11-23 15:49:08,269 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_fast_work [2022-11-23 15:49:08,269 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_fast_work [2022-11-23 15:49:08,270 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-23 15:49:08,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-23 15:49:08,270 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_link [2022-11-23 15:49:08,270 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_link [2022-11-23 15:49:08,270 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-23 15:49:08,270 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-23 15:49:08,270 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_report_link [2022-11-23 15:49:08,270 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_report_link [2022-11-23 15:49:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_phy [2022-11-23 15:49:08,271 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_phy [2022-11-23 15:49:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-23 15:49:08,271 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-23 15:49:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_rx_cons [2022-11-23 15:49:08,271 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_rx_cons [2022-11-23 15:49:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-23 15:49:08,272 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-23 15:49:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_ring_size [2022-11-23 15:49:08,272 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_ring_size [2022-11-23 15:49:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_power_state [2022-11-23 15:49:08,272 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_power_state [2022-11-23 15:49:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure load_cpu_fw [2022-11-23 15:49:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure load_cpu_fw [2022-11-23 15:49:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-11-23 15:49:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-11-23 15:49:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 15:49:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_tx_cons [2022-11-23 15:49:08,277 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_tx_cons [2022-11-23 15:49:08,277 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_info_field_size [2022-11-23 15:49:08,278 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_info_field_size [2022-11-23 15:49:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-23 15:49:08,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-23 15:49:08,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-23 15:49:08,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-23 15:49:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_fw_sync [2022-11-23 15:49:08,279 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_fw_sync [2022-11-23 15:49:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_wr [2022-11-23 15:49:08,279 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_wr [2022-11-23 15:49:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_5706s_force_link_dn [2022-11-23 15:49:08,279 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_5706s_force_link_dn [2022-11-23 15:49:08,279 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-23 15:49:08,280 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-23 15:49:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_link [2022-11-23 15:49:08,280 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_link [2022-11-23 15:49:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-23 15:49:08,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-23 15:49:08,280 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-23 15:49:08,281 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-23 15:49:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read [2022-11-23 15:49:08,282 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read [2022-11-23 15:49:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mac_addr [2022-11-23 15:49:08,282 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mac_addr [2022-11-23 15:49:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_fw_cap [2022-11-23 15:49:08,283 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_fw_cap [2022-11-23 15:49:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_rd_ind [2022-11-23 15:49:08,283 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_rd_ind [2022-11-23 15:49:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_write [2022-11-23 15:49:08,283 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_write [2022-11-23 15:49:08,283 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-23 15:49:08,284 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-23 15:49:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-23 15:49:08,284 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-23 15:49:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-23 15:49:08,284 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-23 15:49:08,284 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown [2022-11-23 15:49:08,285 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown [2022-11-23 15:49:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_forced_2g5 [2022-11-23 15:49:08,285 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_forced_2g5 [2022-11-23 15:49:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 15:49:08,285 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 15:49:08,285 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_stop [2022-11-23 15:49:08,286 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_stop [2022-11-23 15:49:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_find_max_ring [2022-11-23 15:49:08,286 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_find_max_ring [2022-11-23 15:49:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_coalesce [2022-11-23 15:49:08,286 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_coalesce [2022-11-23 15:49:08,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_111 [2022-11-23 15:49:08,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_111 [2022-11-23 15:49:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-23 15:49:08,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-23 15:49:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_page [2022-11-23 15:49:08,287 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_page [2022-11-23 15:49:08,287 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-23 15:49:08,287 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-23 15:49:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_105 [2022-11-23 15:49:08,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_105 [2022-11-23 15:49:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-23 15:49:08,288 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-23 15:49:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-23 15:49:08,289 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-23 15:49:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown_chip [2022-11-23 15:49:08,289 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown_chip [2022-11-23 15:49:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_mem [2022-11-23 15:49:08,289 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_mem [2022-11-23 15:49:08,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-23 15:49:08,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-23 15:49:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-23 15:49:08,290 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-23 15:49:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-23 15:49:08,290 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-23 15:49:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-23 15:49:08,290 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-23 15:49:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-23 15:49:08,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-23 15:49:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-23 15:49:08,291 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-23 15:49:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:49:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_irq [2022-11-23 15:49:08,292 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_irq [2022-11-23 15:49:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure poll_bnx2 [2022-11-23 15:49:08,292 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_bnx2 [2022-11-23 15:49:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_features [2022-11-23 15:49:08,292 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_features [2022-11-23 15:49:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-23 15:49:08,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-23 15:49:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_dump_mcp_state [2022-11-23 15:49:08,293 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_dump_mcp_state [2022-11-23 15:49:10,425 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:49:10,436 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:49:11,060 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 15:52:03,084 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:52:12,426 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:52:12,426 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-23 15:52:12,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:52:12 BoogieIcfgContainer [2022-11-23 15:52:12,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:52:12,440 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:52:12,440 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:52:12,443 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:52:12,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:48:55" (1/3) ... [2022-11-23 15:52:12,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23e2d12b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:52:12, skipping insertion in model container [2022-11-23 15:52:12,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:05" (2/3) ... [2022-11-23 15:52:12,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23e2d12b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:52:12, skipping insertion in model container [2022-11-23 15:52:12,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:52:12" (3/3) ... [2022-11-23 15:52:12,446 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i [2022-11-23 15:52:12,468 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:52:12,468 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 15:52:12,622 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:52:12,631 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;@43d8756f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:52:12,631 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 15:52:12,650 INFO L276 IsEmpty]: Start isEmpty. Operand has 4551 states, 2701 states have (on average 1.2832284339133655) internal successors, (3466), 2798 states have internal predecessors, (3466), 1573 states have call successors, (1573), 275 states have call predecessors, (1573), 274 states have return successors, (1566), 1545 states have call predecessors, (1566), 1566 states have call successors, (1566) [2022-11-23 15:52:12,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-23 15:52:12,668 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:52:12,669 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:52:12,670 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:52:12,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:52:12,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1202916225, now seen corresponding path program 1 times [2022-11-23 15:52:12,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:52:12,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820403209] [2022-11-23 15:52:12,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:52:12,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:52:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:52:16,646 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-11-23 15:52:16,647 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:52:16,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820403209] [2022-11-23 15:52:16,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820403209] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:52:16,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:52:16,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:52:16,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507837519] [2022-11-23 15:52:16,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:52:16,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:52:16,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:52:16,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:52:16,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:52:16,717 INFO L87 Difference]: Start difference. First operand has 4551 states, 2701 states have (on average 1.2832284339133655) internal successors, (3466), 2798 states have internal predecessors, (3466), 1573 states have call successors, (1573), 275 states have call predecessors, (1573), 274 states have return successors, (1566), 1545 states have call predecessors, (1566), 1566 states have call successors, (1566) Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-23 15:52:22,885 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 [] [2022-11-23 15:52:24,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:52:29,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:52:35,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:52:37,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:52:40,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:52:44,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:52:51,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:52:53,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:52:54,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:52:54,743 INFO L93 Difference]: Finished difference Result 9084 states and 13308 transitions. [2022-11-23 15:52:54,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:52:54,746 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 106 [2022-11-23 15:52:54,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:52:54,815 INFO L225 Difference]: With dead ends: 9084 [2022-11-23 15:52:54,815 INFO L226 Difference]: Without dead ends: 4520 [2022-11-23 15:52:54,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:52:54,882 INFO L413 NwaCegarLoop]: 5934 mSDtfsCounter, 5 mSDsluCounter, 11861 mSDsCounter, 0 mSdLazyCounter, 1985 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 17795 SdHoareTripleChecker+Invalid, 1992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1985 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:52:54,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 17795 Invalid, 1992 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1985 Invalid, 7 Unknown, 0 Unchecked, 37.2s Time] [2022-11-23 15:52:54,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4520 states. [2022-11-23 15:52:55,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4520 to 4518. [2022-11-23 15:52:55,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4518 states, 2696 states have (on average 1.2793026706231454) internal successors, (3449), 2787 states have internal predecessors, (3449), 1547 states have call successors, (1547), 273 states have call predecessors, (1547), 273 states have return successors, (1547), 1526 states have call predecessors, (1547), 1547 states have call successors, (1547) [2022-11-23 15:52:55,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4518 states to 4518 states and 6543 transitions. [2022-11-23 15:52:55,379 INFO L78 Accepts]: Start accepts. Automaton has 4518 states and 6543 transitions. Word has length 106 [2022-11-23 15:52:55,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:52:55,380 INFO L495 AbstractCegarLoop]: Abstraction has 4518 states and 6543 transitions. [2022-11-23 15:52:55,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-23 15:52:55,381 INFO L276 IsEmpty]: Start isEmpty. Operand 4518 states and 6543 transitions. [2022-11-23 15:52:55,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-23 15:52:55,388 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:52:55,389 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:52:55,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:52:55,390 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:52:55,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:52:55,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1410454236, now seen corresponding path program 1 times [2022-11-23 15:52:55,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:52:55,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901782062] [2022-11-23 15:52:55,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:52:55,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:52:55,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:53:07,618 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-11-23 15:53:07,619 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:53:07,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901782062] [2022-11-23 15:53:07,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901782062] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:53:07,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:53:07,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 15:53:07,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770373111] [2022-11-23 15:53:07,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:53:07,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:53:07,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:53:07,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:53:07,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:53:07,623 INFO L87 Difference]: Start difference. First operand 4518 states and 6543 transitions. Second operand has 6 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-23 15:53:12,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:20,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:22,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:24,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:26,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:29,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:38,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:40,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:42,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:44,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:46,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:52,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:54,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:55,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:58,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:00,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:04,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:11,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:14,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:16,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:18,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:20,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:35,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:38,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:40,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:54:40,183 INFO L93 Difference]: Finished difference Result 6851 states and 9941 transitions. [2022-11-23 15:54:40,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 15:54:40,184 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 123 [2022-11-23 15:54:40,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:54:40,255 INFO L225 Difference]: With dead ends: 6851 [2022-11-23 15:54:40,256 INFO L226 Difference]: Without dead ends: 6849 [2022-11-23 15:54:40,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:54:40,264 INFO L413 NwaCegarLoop]: 6964 mSDtfsCounter, 3229 mSDsluCounter, 25192 mSDsCounter, 0 mSdLazyCounter, 5186 mSolverCounterSat, 7 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 88.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3233 SdHoareTripleChecker+Valid, 32156 SdHoareTripleChecker+Invalid, 5206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5186 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 90.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:54:40,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3233 Valid, 32156 Invalid, 5206 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7 Valid, 5186 Invalid, 13 Unknown, 0 Unchecked, 90.6s Time] [2022-11-23 15:54:40,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6849 states. [2022-11-23 15:54:41,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6849 to 6838. [2022-11-23 15:54:41,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6838 states, 4076 states have (on average 1.2845927379784101) internal successors, (5236), 4253 states have internal predecessors, (5236), 2301 states have call successors, (2301), 480 states have call predecessors, (2301), 459 states have return successors, (2386), 2203 states have call predecessors, (2386), 2301 states have call successors, (2386) [2022-11-23 15:54:41,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6838 states to 6838 states and 9923 transitions. [2022-11-23 15:54:41,252 INFO L78 Accepts]: Start accepts. Automaton has 6838 states and 9923 transitions. Word has length 123 [2022-11-23 15:54:41,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:54:41,252 INFO L495 AbstractCegarLoop]: Abstraction has 6838 states and 9923 transitions. [2022-11-23 15:54:41,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-23 15:54:41,254 INFO L276 IsEmpty]: Start isEmpty. Operand 6838 states and 9923 transitions. [2022-11-23 15:54:41,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-11-23 15:54:41,278 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:54:41,279 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 5, 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] [2022-11-23 15:54:41,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:54:41,279 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:54:41,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:54:41,287 INFO L85 PathProgramCache]: Analyzing trace with hash 295806574, now seen corresponding path program 1 times [2022-11-23 15:54:41,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:54:41,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143889678] [2022-11-23 15:54:41,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:54:41,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:54:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:54:45,153 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-11-23 15:54:45,154 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:54:45,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143889678] [2022-11-23 15:54:45,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143889678] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:54:45,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:54:45,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 15:54:45,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824514666] [2022-11-23 15:54:45,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:54:45,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:54:45,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:54:45,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:54:45,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:54:45,157 INFO L87 Difference]: Start difference. First operand 6838 states and 9923 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-23 15:54:54,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:01,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:08,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:10,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:12,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:18,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:21,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:23,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:25,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:34,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:37,158 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 [] [2022-11-23 15:55:38,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:55:38,639 INFO L93 Difference]: Finished difference Result 13676 states and 20044 transitions. [2022-11-23 15:55:38,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:55:38,640 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) Word has length 159 [2022-11-23 15:55:38,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:55:38,697 INFO L225 Difference]: With dead ends: 13676 [2022-11-23 15:55:38,697 INFO L226 Difference]: Without dead ends: 6854 [2022-11-23 15:55:38,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:55:38,752 INFO L413 NwaCegarLoop]: 5880 mSDtfsCounter, 4 mSDsluCounter, 23509 mSDsCounter, 0 mSdLazyCounter, 3300 mSolverCounterSat, 0 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 29389 SdHoareTripleChecker+Invalid, 3308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3300 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:55:38,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 29389 Invalid, 3308 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 3300 Invalid, 8 Unknown, 0 Unchecked, 52.7s Time] [2022-11-23 15:55:38,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6854 states. [2022-11-23 15:55:39,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6854 to 6846. [2022-11-23 15:55:39,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6846 states, 4082 states have (on average 1.284174424301813) internal successors, (5242), 4259 states have internal predecessors, (5242), 2301 states have call successors, (2301), 480 states have call predecessors, (2301), 461 states have return successors, (2394), 2205 states have call predecessors, (2394), 2301 states have call successors, (2394) [2022-11-23 15:55:39,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6846 states to 6846 states and 9937 transitions. [2022-11-23 15:55:39,549 INFO L78 Accepts]: Start accepts. Automaton has 6846 states and 9937 transitions. Word has length 159 [2022-11-23 15:55:39,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:55:39,552 INFO L495 AbstractCegarLoop]: Abstraction has 6846 states and 9937 transitions. [2022-11-23 15:55:39,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-23 15:55:39,553 INFO L276 IsEmpty]: Start isEmpty. Operand 6846 states and 9937 transitions. [2022-11-23 15:55:39,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-11-23 15:55:39,565 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:55:39,566 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:55:39,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:55:39,566 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:55:39,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:55:39,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1590849887, now seen corresponding path program 1 times [2022-11-23 15:55:39,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:55:39,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929457106] [2022-11-23 15:55:39,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:55:39,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:55:39,818 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:55:39,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [657541380] [2022-11-23 15:55:39,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:55:39,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:55:39,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:55:39,823 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:55:39,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:55:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:55:43,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 7901 conjuncts, 37 conjunts are in the unsatisfiable core [2022-11-23 15:55:43,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:56:25,520 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-11-23 15:56:25,520 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:56:25,520 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:56:25,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929457106] [2022-11-23 15:56:25,521 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:56:25,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657541380] [2022-11-23 15:56:25,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657541380] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:56:25,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:56:25,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:56:25,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879663305] [2022-11-23 15:56:25,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:56:25,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:56:25,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:56:25,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:56:25,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:56:25,524 INFO L87 Difference]: Start difference. First operand 6846 states and 9937 transitions. Second operand has 6 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) [2022-11-23 15:56:38,229 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 [] [2022-11-23 15:56:41,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:56:50,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:56:51,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:56:53,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:56:55,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:56:58,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:56:59,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:03,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:09,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:10,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:13,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:20,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:25,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:27,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:29,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:31,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:43,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:46,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:48,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:57:48,145 INFO L93 Difference]: Finished difference Result 9168 states and 13331 transitions. [2022-11-23 15:57:48,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:57:48,146 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) Word has length 176 [2022-11-23 15:57:48,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:57:48,332 INFO L225 Difference]: With dead ends: 9168 [2022-11-23 15:57:48,333 INFO L226 Difference]: Without dead ends: 9166 [2022-11-23 15:57:48,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:57:48,340 INFO L413 NwaCegarLoop]: 6981 mSDtfsCounter, 3104 mSDsluCounter, 25264 mSDsCounter, 0 mSdLazyCounter, 5172 mSolverCounterSat, 0 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 78.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3108 SdHoareTripleChecker+Valid, 32245 SdHoareTripleChecker+Invalid, 5183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5172 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 80.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:57:48,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3108 Valid, 32245 Invalid, 5183 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 5172 Invalid, 11 Unknown, 0 Unchecked, 80.8s Time] [2022-11-23 15:57:48,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9166 states. [2022-11-23 15:57:49,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9166 to 9161. [2022-11-23 15:57:49,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9161 states, 5460 states have (on average 1.2866300366300367) internal successors, (7025), 5722 states have internal predecessors, (7025), 3052 states have call successors, (3052), 688 states have call predecessors, (3052), 647 states have return successors, (3247), 2878 states have call predecessors, (3247), 3052 states have call successors, (3247) [2022-11-23 15:57:49,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9161 states to 9161 states and 13324 transitions. [2022-11-23 15:57:49,459 INFO L78 Accepts]: Start accepts. Automaton has 9161 states and 13324 transitions. Word has length 176 [2022-11-23 15:57:49,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:57:49,460 INFO L495 AbstractCegarLoop]: Abstraction has 9161 states and 13324 transitions. [2022-11-23 15:57:49,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (33), 1 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) [2022-11-23 15:57:49,461 INFO L276 IsEmpty]: Start isEmpty. Operand 9161 states and 13324 transitions. [2022-11-23 15:57:49,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2022-11-23 15:57:49,502 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:57:49,503 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:57:49,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:57:49,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:57:49,731 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:57:49,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:57:49,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1026227614, now seen corresponding path program 1 times [2022-11-23 15:57:49,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:57:49,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602593732] [2022-11-23 15:57:49,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:57:49,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:57:50,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:57:50,791 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2022-11-23 15:57:50,792 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:57:50,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602593732] [2022-11-23 15:57:50,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602593732] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:57:50,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:57:50,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:57:50,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209712426] [2022-11-23 15:57:50,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:57:50,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:57:50,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:57:50,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:57:50,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:57:50,794 INFO L87 Difference]: Start difference. First operand 9161 states and 13324 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-11-23 15:57:56,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:59,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:58:05,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:58:08,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:58:16,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:58:18,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:58:19,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:58:19,653 INFO L93 Difference]: Finished difference Result 13688 states and 20345 transitions. [2022-11-23 15:58:19,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:58:19,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 312 [2022-11-23 15:58:19,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:58:19,714 INFO L225 Difference]: With dead ends: 13688 [2022-11-23 15:58:19,714 INFO L226 Difference]: Without dead ends: 9182 [2022-11-23 15:58:19,752 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 [2022-11-23 15:58:19,753 INFO L413 NwaCegarLoop]: 5969 mSDtfsCounter, 13 mSDsluCounter, 5953 mSDsCounter, 0 mSdLazyCounter, 1324 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 11922 SdHoareTripleChecker+Invalid, 1329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1324 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:58:19,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 11922 Invalid, 1329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1324 Invalid, 5 Unknown, 0 Unchecked, 27.9s Time] [2022-11-23 15:58:19,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9182 states. [2022-11-23 15:58:20,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9182 to 9162. [2022-11-23 15:58:20,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9162 states, 5461 states have (on average 1.2865775498992857) internal successors, (7026), 5723 states have internal predecessors, (7026), 3052 states have call successors, (3052), 688 states have call predecessors, (3052), 647 states have return successors, (3247), 2878 states have call predecessors, (3247), 3052 states have call successors, (3247) [2022-11-23 15:58:20,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9162 states to 9162 states and 13325 transitions. [2022-11-23 15:58:20,811 INFO L78 Accepts]: Start accepts. Automaton has 9162 states and 13325 transitions. Word has length 312 [2022-11-23 15:58:20,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:58:20,812 INFO L495 AbstractCegarLoop]: Abstraction has 9162 states and 13325 transitions. [2022-11-23 15:58:20,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-11-23 15:58:20,813 INFO L276 IsEmpty]: Start isEmpty. Operand 9162 states and 13325 transitions. [2022-11-23 15:58:20,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-11-23 15:58:20,847 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:58:20,847 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:58:20,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 15:58:20,848 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:58:20,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:58:20,848 INFO L85 PathProgramCache]: Analyzing trace with hash 680959439, now seen corresponding path program 1 times [2022-11-23 15:58:20,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:58:20,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255881758] [2022-11-23 15:58:20,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:58:20,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:58:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:58:21,821 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2022-11-23 15:58:21,821 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:58:21,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255881758] [2022-11-23 15:58:21,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255881758] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:58:21,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:58:21,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:58:21,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144243048] [2022-11-23 15:58:21,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:58:21,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:58:21,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:58:21,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:58:21,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:58:21,823 INFO L87 Difference]: Start difference. First operand 9162 states and 13325 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 3 states have call successors, (57), 2 states have call predecessors, (57), 3 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-11-23 15:58:28,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:58:34,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:58:40,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:58:44,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:58:47,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:58:54,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:58:56,799 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 [] [2022-11-23 15:58:58,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:58:58,310 INFO L93 Difference]: Finished difference Result 13678 states and 20187 transitions. [2022-11-23 15:58:58,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:58:58,311 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 3 states have call successors, (57), 2 states have call predecessors, (57), 3 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 293 [2022-11-23 15:58:58,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:58:58,375 INFO L225 Difference]: With dead ends: 13678 [2022-11-23 15:58:58,375 INFO L226 Difference]: Without dead ends: 9171 [2022-11-23 15:58:58,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:58:58,416 INFO L413 NwaCegarLoop]: 5871 mSDtfsCounter, 17 mSDsluCounter, 11702 mSDsCounter, 0 mSdLazyCounter, 2012 mSolverCounterSat, 8 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 17573 SdHoareTripleChecker+Invalid, 2027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2012 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:58:58,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 17573 Invalid, 2027 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2012 Invalid, 7 Unknown, 0 Unchecked, 35.5s Time] [2022-11-23 15:58:58,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9171 states. [2022-11-23 15:58:59,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9171 to 9171. [2022-11-23 15:58:59,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9171 states, 5466 states have (on average 1.2863154043175997) internal successors, (7031), 5728 states have internal predecessors, (7031), 3055 states have call successors, (3055), 691 states have call predecessors, (3055), 648 states have return successors, (3250), 2879 states have call predecessors, (3250), 3055 states have call successors, (3250) [2022-11-23 15:58:59,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9171 states to 9171 states and 13336 transitions. [2022-11-23 15:58:59,410 INFO L78 Accepts]: Start accepts. Automaton has 9171 states and 13336 transitions. Word has length 293 [2022-11-23 15:58:59,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:58:59,411 INFO L495 AbstractCegarLoop]: Abstraction has 9171 states and 13336 transitions. [2022-11-23 15:58:59,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 3 states have call successors, (57), 2 states have call predecessors, (57), 3 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-11-23 15:58:59,412 INFO L276 IsEmpty]: Start isEmpty. Operand 9171 states and 13336 transitions. [2022-11-23 15:58:59,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2022-11-23 15:58:59,450 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:58:59,450 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:58:59,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 15:58:59,451 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:58:59,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:58:59,451 INFO L85 PathProgramCache]: Analyzing trace with hash -594178520, now seen corresponding path program 1 times [2022-11-23 15:58:59,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:58:59,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459892357] [2022-11-23 15:58:59,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:58:59,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:58:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:59:00,386 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2022-11-23 15:59:00,386 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:59:00,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459892357] [2022-11-23 15:59:00,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459892357] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:59:00,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:59:00,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:59:00,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983766266] [2022-11-23 15:59:00,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:59:00,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:59:00,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:59:00,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:59:00,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:59:00,389 INFO L87 Difference]: Start difference. First operand 9171 states and 13336 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2022-11-23 15:59:06,275 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 [] [2022-11-23 15:59:07,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:59:10,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:59:12,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:59:17,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:59:21,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:59:24,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:59:30,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:59:32,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:59:33,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:59:33,544 INFO L93 Difference]: Finished difference Result 13696 states and 20219 transitions. [2022-11-23 15:59:33,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:59:33,547 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 335 [2022-11-23 15:59:33,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:59:33,619 INFO L225 Difference]: With dead ends: 13696 [2022-11-23 15:59:33,619 INFO L226 Difference]: Without dead ends: 9184 [2022-11-23 15:59:33,657 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 [2022-11-23 15:59:33,658 INFO L413 NwaCegarLoop]: 5885 mSDtfsCounter, 11 mSDsluCounter, 5874 mSDsCounter, 0 mSdLazyCounter, 1320 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 11759 SdHoareTripleChecker+Invalid, 1326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1320 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:59:33,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 11759 Invalid, 1326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1320 Invalid, 6 Unknown, 0 Unchecked, 32.1s Time] [2022-11-23 15:59:33,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9184 states. [2022-11-23 15:59:34,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9184 to 9172. [2022-11-23 15:59:34,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9172 states, 5467 states have (on average 1.286263032741906) internal successors, (7032), 5729 states have internal predecessors, (7032), 3055 states have call successors, (3055), 691 states have call predecessors, (3055), 648 states have return successors, (3250), 2879 states have call predecessors, (3250), 3055 states have call successors, (3250) [2022-11-23 15:59:34,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9172 states to 9172 states and 13337 transitions. [2022-11-23 15:59:34,805 INFO L78 Accepts]: Start accepts. Automaton has 9172 states and 13337 transitions. Word has length 335 [2022-11-23 15:59:34,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:59:34,806 INFO L495 AbstractCegarLoop]: Abstraction has 9172 states and 13337 transitions. [2022-11-23 15:59:34,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2022-11-23 15:59:34,807 INFO L276 IsEmpty]: Start isEmpty. Operand 9172 states and 13337 transitions. [2022-11-23 15:59:34,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2022-11-23 15:59:34,837 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:59:34,837 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:59:34,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 15:59:34,838 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:59:34,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:59:34,838 INFO L85 PathProgramCache]: Analyzing trace with hash -301699286, now seen corresponding path program 1 times [2022-11-23 15:59:34,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:59:34,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023211304] [2022-11-23 15:59:34,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:59:34,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:59:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:59:49,616 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2022-11-23 15:59:49,616 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:59:49,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023211304] [2022-11-23 15:59:49,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023211304] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:59:49,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [992883291] [2022-11-23 15:59:49,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:59:49,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:59:49,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:59:49,622 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:59:49,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 15:59:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:59:53,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 8600 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 15:59:53,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:59:53,291 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2022-11-23 15:59:53,291 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:59:53,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [992883291] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:59:53,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:59:53,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-11-23 15:59:53,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721380637] [2022-11-23 15:59:53,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:59:53,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:59:53,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:59:53,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:59:53,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-23 15:59:53,295 INFO L87 Difference]: Start difference. First operand 9172 states and 13337 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-11-23 15:59:58,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:00:02,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:00:07,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:00:11,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:00:14,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:00:19,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:00:22,100 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 [] [2022-11-23 16:00:23,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:00:23,542 INFO L93 Difference]: Finished difference Result 18273 states and 26830 transitions. [2022-11-23 16:00:23,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:00:23,543 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 275 [2022-11-23 16:00:23,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:00:23,608 INFO L225 Difference]: With dead ends: 18273 [2022-11-23 16:00:23,608 INFO L226 Difference]: Without dead ends: 9117 [2022-11-23 16:00:23,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-23 16:00:23,684 INFO L413 NwaCegarLoop]: 5823 mSDtfsCounter, 2 mSDsluCounter, 5822 mSDsCounter, 0 mSdLazyCounter, 1306 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11645 SdHoareTripleChecker+Invalid, 1313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1306 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.2s IncrementalHoareTripleChecker+Time [2022-11-23 16:00:23,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11645 Invalid, 1313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1306 Invalid, 7 Unknown, 0 Unchecked, 29.2s Time] [2022-11-23 16:00:23,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9117 states. [2022-11-23 16:00:24,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9117 to 9117. [2022-11-23 16:00:24,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9117 states, 5436 states have (on average 1.2853200883002207) internal successors, (6987), 5694 states have internal predecessors, (6987), 3032 states have call successors, (3032), 690 states have call predecessors, (3032), 647 states have return successors, (3219), 2858 states have call predecessors, (3219), 3032 states have call successors, (3219) [2022-11-23 16:00:24,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9117 states to 9117 states and 13238 transitions. [2022-11-23 16:00:24,684 INFO L78 Accepts]: Start accepts. Automaton has 9117 states and 13238 transitions. Word has length 275 [2022-11-23 16:00:24,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:00:24,684 INFO L495 AbstractCegarLoop]: Abstraction has 9117 states and 13238 transitions. [2022-11-23 16:00:24,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-11-23 16:00:24,684 INFO L276 IsEmpty]: Start isEmpty. Operand 9117 states and 13238 transitions. [2022-11-23 16:00:24,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2022-11-23 16:00:24,717 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:00:24,718 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:00:24,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 16:00:24,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:00:24,931 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:00:24,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:00:24,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1208024797, now seen corresponding path program 1 times [2022-11-23 16:00:24,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:00:24,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089264176] [2022-11-23 16:00:24,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:00:24,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:00:25,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:00:25,873 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2022-11-23 16:00:25,874 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:00:25,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089264176] [2022-11-23 16:00:25,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089264176] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 16:00:25,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700320429] [2022-11-23 16:00:25,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:00:25,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:00:25,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:00:25,876 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 16:00:25,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 16:00:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:00:29,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 8666 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 16:00:29,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 16:00:29,435 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-23 16:00:29,435 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 16:00:29,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [700320429] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:00:29,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 16:00:29,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-23 16:00:29,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331699313] [2022-11-23 16:00:29,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:00:29,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:00:29,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:00:29,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:00:29,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 16:00:29,438 INFO L87 Difference]: Start difference. First operand 9117 states and 13238 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2022-11-23 16:00:35,294 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 [] [2022-11-23 16:00:39,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:00:42,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:00:45,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:00:49,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:00:51,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:00:53,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:00:58,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:01:00,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:01:02,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:01:02,055 INFO L93 Difference]: Finished difference Result 13613 states and 20226 transitions. [2022-11-23 16:01:02,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:01:02,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 347 [2022-11-23 16:01:02,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:01:02,114 INFO L225 Difference]: With dead ends: 13613 [2022-11-23 16:01:02,114 INFO L226 Difference]: Without dead ends: 9135 [2022-11-23 16:01:02,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 16:01:02,156 INFO L413 NwaCegarLoop]: 5840 mSDtfsCounter, 11 mSDsluCounter, 5825 mSDsCounter, 0 mSdLazyCounter, 1315 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 11665 SdHoareTripleChecker+Invalid, 1322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1315 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.7s IncrementalHoareTripleChecker+Time [2022-11-23 16:01:02,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 11665 Invalid, 1322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1315 Invalid, 7 Unknown, 0 Unchecked, 31.7s Time] [2022-11-23 16:01:02,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9135 states. [2022-11-23 16:01:03,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9135 to 9118. [2022-11-23 16:01:03,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9118 states, 5437 states have (on average 1.2852676108147876) internal successors, (6988), 5695 states have internal predecessors, (6988), 3032 states have call successors, (3032), 690 states have call predecessors, (3032), 647 states have return successors, (3219), 2858 states have call predecessors, (3219), 3032 states have call successors, (3219) [2022-11-23 16:01:03,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9118 states to 9118 states and 13239 transitions. [2022-11-23 16:01:03,182 INFO L78 Accepts]: Start accepts. Automaton has 9118 states and 13239 transitions. Word has length 347 [2022-11-23 16:01:03,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:01:03,183 INFO L495 AbstractCegarLoop]: Abstraction has 9118 states and 13239 transitions. [2022-11-23 16:01:03,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2022-11-23 16:01:03,183 INFO L276 IsEmpty]: Start isEmpty. Operand 9118 states and 13239 transitions. [2022-11-23 16:01:03,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-11-23 16:01:03,201 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:01:03,202 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:01:03,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 16:01:03,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:01:03,403 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 16:01:03,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:01:03,404 INFO L85 PathProgramCache]: Analyzing trace with hash 83387521, now seen corresponding path program 1 times [2022-11-23 16:01:03,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:01:03,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701153710] [2022-11-23 16:01:03,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:01:03,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:01:03,675 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 16:01:03,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [450683754] [2022-11-23 16:01:03,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:01:03,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 16:01:03,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:01:03,677 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 16:01:03,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d90ddfc5-d05a-4b4e-a0ef-9d0be0aa9651/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 16:01:07,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:01:07,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 8802 conjuncts, 95 conjunts are in the unsatisfiable core [2022-11-23 16:01:07,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 16:02:20,882 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2022-11-23 16:02:20,882 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 16:02:20,882 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:02:20,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701153710] [2022-11-23 16:02:20,883 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 16:02:20,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450683754] [2022-11-23 16:02:20,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450683754] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:02:20,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:02:20,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 16:02:20,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823504796] [2022-11-23 16:02:20,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:02:20,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 16:02:20,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:02:20,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 16:02:20,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-23 16:02:20,885 INFO L87 Difference]: Start difference. First operand 9118 states and 13239 transitions. Second operand has 6 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 1 states have call successors, (47), 1 states have call predecessors, (47), 2 states have return successors, (36), 2 states have call predecessors, (36), 1 states have call successors, (36)