./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/bin/utaipan-TEXQjIfE4P/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_e832a699-3277-4369-9fad-c72982248a81/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/bin/utaipan-TEXQjIfE4P --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 --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:40:58,392 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:40:58,394 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:40:58,430 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:40:58,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:40:58,432 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:40:58,433 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:40:58,436 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:40:58,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:40:58,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:40:58,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:40:58,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:40:58,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:40:58,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:40:58,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:40:58,447 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:40:58,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:40:58,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:40:58,452 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:40:58,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:40:58,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:40:58,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:40:58,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:40:58,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:40:58,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:40:58,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:40:58,467 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:40:58,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:40:58,468 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:40:58,470 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:40:58,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:40:58,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:40:58,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:40:58,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:40:58,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:40:58,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:40:58,484 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:40:58,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:40:58,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:40:58,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:40:58,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:40:58,491 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-21 01:40:58,545 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:40:58,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:40:58,546 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:40:58,546 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:40:58,554 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:40:58,554 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:40:58,554 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:40:58,554 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:40:58,555 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:40:58,555 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:40:58,556 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:40:58,556 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:40:58,556 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:40:58,556 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:40:58,557 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:40:58,557 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:40:58,557 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:40:58,557 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:40:58,558 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:40:58,559 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:40:58,559 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:40:58,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:40:58,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:40:58,560 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:40:58,560 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:40:58,560 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:40:58,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:40:58,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:40:58,562 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:40:58,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:40:58,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:40:58,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:40:58,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:40:58,563 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:40:58,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:40:58,564 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:40:58,564 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:40:58,564 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:40:58,564 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f12a6ac4bce089f19ef4066a141af18d92e5ee667df37b5c066d5e53dadcb49 [2021-11-21 01:40:58,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:40:58,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:40:58,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:40:58,864 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:40:58,865 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:40:58,866 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-21 01:40:58,947 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/bin/utaipan-TEXQjIfE4P/data/d9e38a12d/6b8fd12e5f2e471babedf51bc6d2bec1/FLAGe63861a96 [2021-11-21 01:41:00,077 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:41:00,078 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-21 01:41:00,154 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/bin/utaipan-TEXQjIfE4P/data/d9e38a12d/6b8fd12e5f2e471babedf51bc6d2bec1/FLAGe63861a96 [2021-11-21 01:41:00,297 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/bin/utaipan-TEXQjIfE4P/data/d9e38a12d/6b8fd12e5f2e471babedf51bc6d2bec1 [2021-11-21 01:41:00,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:41:00,304 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:41:00,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:41:00,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:41:00,314 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:41:00,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:41:00" (1/1) ... [2021-11-21 01:41:00,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59c048f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:00, skipping insertion in model container [2021-11-21 01:41:00,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:41:00" (1/1) ... [2021-11-21 01:41:00,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:41:00,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:41:09,080 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[695830,695843] [2021-11-21 01:41:09,082 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[695975,695988] [2021-11-21 01:41:09,124 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:41:09,213 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:41:10,078 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[695830,695843] [2021-11-21 01:41:10,079 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[695975,695988] [2021-11-21 01:41:10,088 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:41:10,834 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:41:10,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:10 WrapperNode [2021-11-21 01:41:10,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:41:10,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:41:10,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:41:10,836 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:41:10,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:10" (1/1) ... [2021-11-21 01:41:11,164 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:10" (1/1) ... [2021-11-21 01:41:11,606 INFO L137 Inliner]: procedures = 829, calls = 8738, calls flagged for inlining = 380, calls inlined = 326, statements flattened = 16788 [2021-11-21 01:41:11,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:41:11,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:41:11,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:41:11,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:41:11,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:10" (1/1) ... [2021-11-21 01:41:11,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:10" (1/1) ... [2021-11-21 01:41:11,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:10" (1/1) ... [2021-11-21 01:41:11,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:10" (1/1) ... [2021-11-21 01:41:12,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:10" (1/1) ... [2021-11-21 01:41:12,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:10" (1/1) ... [2021-11-21 01:41:12,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:10" (1/1) ... [2021-11-21 01:41:12,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:41:12,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:41:12,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:41:12,643 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:41:12,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:10" (1/1) ... [2021-11-21 01:41:12,663 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:41:12,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:41:12,728 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:41:12,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:41:12,866 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resolve_flow_ctrl [2021-11-21 01:41:12,866 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resolve_flow_ctrl [2021-11-21 01:41:12,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_126 [2021-11-21 01:41:12,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_126 [2021-11-21 01:41:12,867 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-21 01:41:12,867 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-21 01:41:12,867 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-21 01:41:12,868 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-21 01:41:12,868 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read_dword [2021-11-21 01:41:12,868 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read_dword [2021-11-21 01:41:12,868 INFO L130 BoogieDeclarations]: Found specification of procedure get_l2_fhdr [2021-11-21 01:41:12,868 INFO L138 BoogieDeclarations]: Found implementation of procedure get_l2_fhdr [2021-11-21 01:41:12,868 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_stop [2021-11-21 01:41:12,869 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_stop [2021-11-21 01:41:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_143 [2021-11-21 01:41:12,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_143 [2021-11-21 01:41:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rx_context [2021-11-21 01:41:12,869 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rx_context [2021-11-21 01:41:12,870 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-21 01:41:12,870 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-21 01:41:12,870 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-21 01:41:12,870 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-21 01:41:12,870 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resume [2021-11-21 01:41:12,870 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resume [2021-11-21 01:41:12,871 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2021-11-21 01:41:12,871 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2021-11-21 01:41:12,871 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-21 01:41:12,871 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-21 01:41:12,871 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_data [2021-11-21 01:41:12,871 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_data [2021-11-21 01:41:12,872 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_phy [2021-11-21 01:41:12,872 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_phy [2021-11-21 01:41:12,872 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 01:41:12,872 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-21 01:41:12,872 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-21 01:41:12,873 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-21 01:41:12,873 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-21 01:41:12,873 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_napi [2021-11-21 01:41:12,873 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_napi [2021-11-21 01:41:12,873 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_read_phy [2021-11-21 01:41:12,873 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_read_phy [2021-11-21 01:41:12,874 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-21 01:41:12,874 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-21 01:41:12,874 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-21 01:41:12,874 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-21 01:41:12,874 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-21 01:41:12,875 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-21 01:41:12,875 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-21 01:41:12,875 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-21 01:41:12,875 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-21 01:41:12,875 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-21 01:41:12,876 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-11-21 01:41:12,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-11-21 01:41:12,876 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_mode [2021-11-21 01:41:12,876 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_mode [2021-11-21 01:41:12,876 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-21 01:41:12,876 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-21 01:41:12,890 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_wol [2021-11-21 01:41:12,890 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_wol [2021-11-21 01:41:12,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-21 01:41:12,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-21 01:41:12,891 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_nic [2021-11-21 01:41:12,891 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_nic [2021-11-21 01:41:12,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:41:12,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_indirect_lock_of_bnx2 [2021-11-21 01:41:12,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_indirect_lock_of_bnx2 [2021-11-21 01:41:12,892 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_channels [2021-11-21 01:41:12,892 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_channels [2021-11-21 01:41:12,892 INFO L130 BoogieDeclarations]: Found specification of procedure __bnx2_free_irq [2021-11-21 01:41:12,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __bnx2_free_irq [2021-11-21 01:41:12,893 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-21 01:41:12,893 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-21 01:41:12,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-21 01:41:12,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-21 01:41:12,893 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-21 01:41:12,894 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-21 01:41:12,894 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-21 01:41:12,894 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-21 01:41:12,894 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_open [2021-11-21 01:41:12,894 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_open [2021-11-21 01:41:12,894 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_chip [2021-11-21 01:41:12,895 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_chip [2021-11-21 01:41:12,895 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_settings [2021-11-21 01:41:12,895 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_settings [2021-11-21 01:41:12,895 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-21 01:41:12,895 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-21 01:41:12,896 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2021-11-21 01:41:12,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2021-11-21 01:41:12,896 INFO L130 BoogieDeclarations]: Found specification of procedure check_mips_fw_entry [2021-11-21 01:41:12,896 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mips_fw_entry [2021-11-21 01:41:12,896 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_start [2021-11-21 01:41:12,896 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_start [2021-11-21 01:41:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_rd [2021-11-21 01:41:12,897 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_rd [2021-11-21 01:41:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_link [2021-11-21 01:41:12,897 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_link [2021-11-21 01:41:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:41:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-11-21 01:41:12,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-11-21 01:41:12,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-21 01:41:12,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-21 01:41:12,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:41:12,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_indirect_lock_of_bnx2 [2021-11-21 01:41:12,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_indirect_lock_of_bnx2 [2021-11-21 01:41:12,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-21 01:41:12,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-21 01:41:12,899 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-21 01:41:12,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-21 01:41:12,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:41:12,900 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-21 01:41:12,900 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-21 01:41:12,900 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-21 01:41:12,900 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_pauseparam [2021-11-21 01:41:12,900 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_pauseparam [2021-11-21 01:41:12,900 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-21 01:41:12,901 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-21 01:41:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_one [2021-11-21 01:41:12,901 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_one [2021-11-21 01:41:12,901 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-21 01:41:12,901 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-21 01:41:12,902 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-21 01:41:12,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-21 01:41:12,902 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2021-11-21 01:41:12,902 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2021-11-21 01:41:12,902 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remove_one [2021-11-21 01:41:12,902 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remove_one [2021-11-21 01:41:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-21 01:41:12,903 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-21 01:41:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-21 01:41:12,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-21 01:41:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2021-11-21 01:41:12,903 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2021-11-21 01:41:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_access [2021-11-21 01:41:12,904 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_access [2021-11-21 01:41:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-21 01:41:12,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-21 01:41:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-21 01:41:12,904 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-21 01:41:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-11-21 01:41:12,905 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-11-21 01:41:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_run_loopback [2021-11-21 01:41:12,905 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_run_loopback [2021-11-21 01:41:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_disable [2021-11-21 01:41:12,905 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_disable [2021-11-21 01:41:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:41:12,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:41:12,906 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-21 01:41:12,906 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-21 01:41:12,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-21 01:41:12,906 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-21 01:41:12,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-21 01:41:12,907 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-21 01:41:12,907 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-21 01:41:12,907 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_int [2021-11-21 01:41:12,907 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_int [2021-11-21 01:41:12,907 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-21 01:41:12,907 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-21 01:41:12,907 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-21 01:41:12,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-21 01:41:12,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-21 01:41:12,922 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-21 01:41:12,923 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-21 01:41:12,923 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_nvram_access [2021-11-21 01:41:12,923 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_nvram_access [2021-11-21 01:41:12,923 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_mem [2021-11-21 01:41:12,923 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_mem [2021-11-21 01:41:12,923 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-21 01:41:12,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-21 01:41:12,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:41:12,924 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:41:12,924 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_nvram_lock [2021-11-21 01:41:12,924 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_nvram_lock [2021-11-21 01:41:12,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-21 01:41:12,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-21 01:41:12,924 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-11-21 01:41:12,924 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-11-21 01:41:12,924 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-21 01:41:12,925 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-21 01:41:12,925 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_avail [2021-11-21 01:41:12,925 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_avail [2021-11-21 01:41:12,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_110 [2021-11-21 01:41:12,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_110 [2021-11-21 01:41:12,925 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-21 01:41:12,925 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-21 01:41:12,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:41:12,925 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_phy [2021-11-21 01:41:12,926 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_phy [2021-11-21 01:41:12,926 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nvram [2021-11-21 01:41:12,926 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nvram [2021-11-21 01:41:12,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:41:12,926 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_remote_link [2021-11-21 01:41:12,926 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_remote_link [2021-11-21 01:41:12,926 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_io_resume [2021-11-21 01:41:12,927 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_io_resume [2021-11-21 01:41:12,927 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_write_phy [2021-11-21 01:41:12,927 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_write_phy [2021-11-21 01:41:12,927 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-21 01:41:12,927 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-21 01:41:12,927 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-21 01:41:12,927 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-21 01:41:12,928 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-21 01:41:12,928 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-21 01:41:12,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_phy_lock_of_bnx2 [2021-11-21 01:41:12,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_phy_lock_of_bnx2 [2021-11-21 01:41:12,928 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_phy_get_pause_adv [2021-11-21 01:41:12,928 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_phy_get_pause_adv [2021-11-21 01:41:12,928 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remote_phy_event [2021-11-21 01:41:12,929 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remote_phy_event [2021-11-21 01:41:12,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-21 01:41:12,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-21 01:41:12,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_104 [2021-11-21 01:41:12,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_104 [2021-11-21 01:41:12,929 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-21 01:41:12,930 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-21 01:41:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-21 01:41:12,930 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-21 01:41:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-11-21 01:41:12,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-11-21 01:41:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-21 01:41:12,931 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-21 01:41:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_cnic_irq_info [2021-11-21 01:41:12,931 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_cnic_irq_info [2021-11-21 01:41:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-21 01:41:12,931 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-21 01:41:12,932 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_suspend [2021-11-21 01:41:12,932 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_suspend [2021-11-21 01:41:12,932 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mtu [2021-11-21 01:41:12,932 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mtu [2021-11-21 01:41:12,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:41:12,932 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_ringparam [2021-11-21 01:41:12,933 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_ringparam [2021-11-21 01:41:12,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-21 01:41:12,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-21 01:41:12,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2021-11-21 01:41:12,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2021-11-21 01:41:12,933 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_send_heart_beat [2021-11-21 01:41:12,933 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_send_heart_beat [2021-11-21 01:41:12,934 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_eeprom_len [2021-11-21 01:41:12,936 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_eeprom_len [2021-11-21 01:41:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-21 01:41:12,937 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-21 01:41:12,937 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_firmware [2021-11-21 01:41:12,937 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_firmware [2021-11-21 01:41:12,938 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-21 01:41:12,938 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-21 01:41:12,939 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_regs_len [2021-11-21 01:41:12,939 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_regs_len [2021-11-21 01:41:12,945 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_close [2021-11-21 01:41:12,945 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_close [2021-11-21 01:41:12,945 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-21 01:41:12,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-21 01:41:12,946 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_coalesce [2021-11-21 01:41:12,946 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_coalesce [2021-11-21 01:41:12,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_125 [2021-11-21 01:41:12,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_125 [2021-11-21 01:41:12,946 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-21 01:41:12,946 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-21 01:41:12,947 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-21 01:41:12,947 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-21 01:41:12,947 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-21 01:41:12,947 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-21 01:41:12,947 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_ring_size [2021-11-21 01:41:12,947 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_ring_size [2021-11-21 01:41:12,947 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-21 01:41:12,948 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-21 01:41:12,948 INFO L130 BoogieDeclarations]: Found specification of procedure load_rv2p_fw [2021-11-21 01:41:12,948 INFO L138 BoogieDeclarations]: Found implementation of procedure load_rv2p_fw [2021-11-21 01:41:12,948 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_bmsr1 [2021-11-21 01:41:12,948 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_bmsr1 [2021-11-21 01:41:12,948 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-21 01:41:12,948 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-21 01:41:12,949 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int [2021-11-21 01:41:12,949 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int [2021-11-21 01:41:12,949 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-21 01:41:12,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-21 01:41:12,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-21 01:41:12,949 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-21 01:41:12,949 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rxbd_rings [2021-11-21 01:41:12,950 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rxbd_rings [2021-11-21 01:41:12,950 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-21 01:41:12,950 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-21 01:41:12,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-21 01:41:12,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-21 01:41:12,950 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_start [2021-11-21 01:41:12,950 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_start [2021-11-21 01:41:12,951 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_int_mode [2021-11-21 01:41:12,951 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_int_mode [2021-11-21 01:41:12,951 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-21 01:41:12,951 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-21 01:41:12,951 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_bmsr1 [2021-11-21 01:41:12,951 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_bmsr1 [2021-11-21 01:41:12,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_11_4 [2021-11-21 01:41:12,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_11_4 [2021-11-21 01:41:12,952 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_forced_2g5 [2021-11-21 01:41:12,952 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_forced_2g5 [2021-11-21 01:41:12,952 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-21 01:41:12,952 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-21 01:41:12,952 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_xceiver_str [2021-11-21 01:41:12,953 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_xceiver_str [2021-11-21 01:41:12,953 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-21 01:41:12,953 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-21 01:41:12,953 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_ctx_wr [2021-11-21 01:41:12,953 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_ctx_wr [2021-11-21 01:41:12,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2021-11-21 01:41:12,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2021-11-21 01:41:12,954 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-21 01:41:12,954 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-21 01:41:12,954 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_remote_phy [2021-11-21 01:41:12,954 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_remote_phy [2021-11-21 01:41:12,954 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2021-11-21 01:41:12,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2021-11-21 01:41:12,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-21 01:41:12,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-21 01:41:12,955 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-21 01:41:12,955 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-21 01:41:12,955 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-21 01:41:12,955 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-21 01:41:12,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-21 01:41:12,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-21 01:41:12,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2021-11-21 01:41:12,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2021-11-21 01:41:12,956 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-21 01:41:12,956 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-21 01:41:12,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:41:12,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-21 01:41:12,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-21 01:41:12,957 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-21 01:41:12,957 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-21 01:41:12,957 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_request_irq [2021-11-21 01:41:12,957 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_request_irq [2021-11-21 01:41:12,957 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_wr_ind [2021-11-21 01:41:12,957 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_wr_ind [2021-11-21 01:41:12,957 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-21 01:41:12,958 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-21 01:41:12,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-21 01:41:12,958 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_intr [2021-11-21 01:41:12,958 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_intr [2021-11-21 01:41:12,958 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nic [2021-11-21 01:41:12,958 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nic [2021-11-21 01:41:12,958 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-21 01:41:12,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-21 01:41:12,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-21 01:41:12,959 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_addr [2021-11-21 01:41:12,959 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_addr [2021-11-21 01:41:12,959 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2021-11-21 01:41:12,959 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2021-11-21 01:41:12,959 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_msi [2021-11-21 01:41:12,960 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_msi [2021-11-21 01:41:12,960 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-21 01:41:12,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-21 01:41:12,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-21 01:41:12,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-21 01:41:12,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-21 01:41:12,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-21 01:41:12,961 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_skbs [2021-11-21 01:41:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_skbs [2021-11-21 01:41:12,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-21 01:41:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-21 01:41:12,961 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_and_enable_2g5 [2021-11-21 01:41:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_and_enable_2g5 [2021-11-21 01:41:12,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-21 01:41:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-21 01:41:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_59 [2021-11-21 01:41:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_59 [2021-11-21 01:41:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_self_test [2021-11-21 01:41:12,965 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_self_test [2021-11-21 01:41:12,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-21 01:41:12,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-21 01:41:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2021-11-21 01:41:12,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2021-11-21 01:41:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_msix_tbl [2021-11-21 01:41:12,966 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_msix_tbl [2021-11-21 01:41:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int_sync [2021-11-21 01:41:12,966 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int_sync [2021-11-21 01:41:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_del_napi [2021-11-21 01:41:12,968 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_del_napi [2021-11-21 01:41:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-21 01:41:12,968 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-21 01:41:12,969 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_timer [2021-11-21 01:41:12,969 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_timer [2021-11-21 01:41:12,969 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-21 01:41:12,969 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-21 01:41:12,969 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_enable [2021-11-21 01:41:12,969 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_enable [2021-11-21 01:41:12,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_29 [2021-11-21 01:41:12,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_29 [2021-11-21 01:41:12,970 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_wol [2021-11-21 01:41:12,970 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_wol [2021-11-21 01:41:12,970 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 01:41:12,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 01:41:12,970 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-21 01:41:12,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-21 01:41:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_timeout [2021-11-21 01:41:12,971 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_timeout [2021-11-21 01:41:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-21 01:41:12,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-21 01:41:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-21 01:41:12,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-21 01:41:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_find_info_keyword [2021-11-21 01:41:12,972 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_find_info_keyword [2021-11-21 01:41:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_acquire_nvram_lock [2021-11-21 01:41:12,972 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_acquire_nvram_lock [2021-11-21 01:41:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-21 01:41:12,972 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-21 01:41:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_53 [2021-11-21 01:41:12,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_53 [2021-11-21 01:41:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_52 [2021-11-21 01:41:12,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_52 [2021-11-21 01:41:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-21 01:41:12,973 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-21 01:41:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_49 [2021-11-21 01:41:12,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_49 [2021-11-21 01:41:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-11-21 01:41:12,974 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-11-21 01:41:12,974 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-21 01:41:12,974 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-21 01:41:12,974 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-21 01:41:12,974 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-21 01:41:12,974 INFO L130 BoogieDeclarations]: Found specification of procedure check_fw_section [2021-11-21 01:41:12,974 INFO L138 BoogieDeclarations]: Found implementation of procedure check_fw_section [2021-11-21 01:41:12,975 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_settings [2021-11-21 01:41:12,975 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_settings [2021-11-21 01:41:12,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_40 [2021-11-21 01:41:12,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_40 [2021-11-21 01:41:12,975 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-21 01:41:12,975 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-21 01:41:12,975 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-21 01:41:12,975 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-21 01:41:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-21 01:41:12,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-21 01:41:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_write_dword [2021-11-21 01:41:12,976 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_write_dword [2021-11-21 01:41:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-21 01:41:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-21 01:41:12,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-21 01:41:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_link [2021-11-21 01:41:12,977 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_link [2021-11-21 01:41:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_166 [2021-11-21 01:41:12,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_166 [2021-11-21 01:41:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-21 01:41:12,977 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-21 01:41:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-21 01:41:12,978 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-21 01:41:12,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_phy_lock_of_bnx2 [2021-11-21 01:41:12,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_phy_lock_of_bnx2 [2021-11-21 01:41:12,978 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-21 01:41:12,978 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-21 01:41:12,978 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nway_reset [2021-11-21 01:41:12,978 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nway_reset [2021-11-21 01:41:12,979 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_work [2021-11-21 01:41:12,979 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_work [2021-11-21 01:41:12,979 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_fast_work [2021-11-21 01:41:12,979 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_fast_work [2021-11-21 01:41:12,979 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-21 01:41:12,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-21 01:41:12,979 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_link [2021-11-21 01:41:12,980 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_link [2021-11-21 01:41:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-21 01:41:12,980 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-21 01:41:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_report_link [2021-11-21 01:41:12,980 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_report_link [2021-11-21 01:41:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_phy [2021-11-21 01:41:12,980 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_phy [2021-11-21 01:41:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-21 01:41:12,981 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-21 01:41:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_rx_cons [2021-11-21 01:41:12,981 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_rx_cons [2021-11-21 01:41:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-21 01:41:12,981 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-21 01:41:12,981 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_ring_size [2021-11-21 01:41:12,981 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_ring_size [2021-11-21 01:41:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_power_state [2021-11-21 01:41:12,982 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_power_state [2021-11-21 01:41:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure load_cpu_fw [2021-11-21 01:41:12,982 INFO L138 BoogieDeclarations]: Found implementation of procedure load_cpu_fw [2021-11-21 01:41:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2021-11-21 01:41:12,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2021-11-21 01:41:12,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 01:41:12,983 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_tx_cons [2021-11-21 01:41:12,983 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_tx_cons [2021-11-21 01:41:12,983 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_info_field_size [2021-11-21 01:41:12,983 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_info_field_size [2021-11-21 01:41:12,983 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-21 01:41:12,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-21 01:41:12,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-21 01:41:12,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-21 01:41:12,984 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_fw_sync [2021-11-21 01:41:12,984 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_fw_sync [2021-11-21 01:41:12,984 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_wr [2021-11-21 01:41:12,984 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_wr [2021-11-21 01:41:12,984 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_5706s_force_link_dn [2021-11-21 01:41:12,984 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_5706s_force_link_dn [2021-11-21 01:41:12,984 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-21 01:41:12,985 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-21 01:41:12,985 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_link [2021-11-21 01:41:12,985 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_link [2021-11-21 01:41:12,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-21 01:41:12,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-21 01:41:12,985 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-11-21 01:41:12,985 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-11-21 01:41:12,986 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read [2021-11-21 01:41:12,986 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read [2021-11-21 01:41:12,986 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mac_addr [2021-11-21 01:41:12,986 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mac_addr [2021-11-21 01:41:12,986 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_fw_cap [2021-11-21 01:41:12,986 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_fw_cap [2021-11-21 01:41:12,986 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_rd_ind [2021-11-21 01:41:12,986 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_rd_ind [2021-11-21 01:41:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_write [2021-11-21 01:41:12,987 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_write [2021-11-21 01:41:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-21 01:41:12,987 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-21 01:41:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-21 01:41:12,987 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-21 01:41:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-11-21 01:41:12,988 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-11-21 01:41:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown [2021-11-21 01:41:12,988 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown [2021-11-21 01:41:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_forced_2g5 [2021-11-21 01:41:12,988 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_forced_2g5 [2021-11-21 01:41:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-21 01:41:12,988 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-21 01:41:12,989 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_stop [2021-11-21 01:41:12,989 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_stop [2021-11-21 01:41:12,989 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_find_max_ring [2021-11-21 01:41:12,989 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_find_max_ring [2021-11-21 01:41:12,989 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_coalesce [2021-11-21 01:41:12,989 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_coalesce [2021-11-21 01:41:12,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_111 [2021-11-21 01:41:12,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_111 [2021-11-21 01:41:12,990 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-21 01:41:12,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-21 01:41:12,990 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_page [2021-11-21 01:41:12,990 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_page [2021-11-21 01:41:12,990 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-21 01:41:12,990 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-21 01:41:12,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_105 [2021-11-21 01:41:12,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_105 [2021-11-21 01:41:12,991 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-21 01:41:12,991 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-21 01:41:12,991 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-21 01:41:12,991 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-21 01:41:12,991 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown_chip [2021-11-21 01:41:12,991 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown_chip [2021-11-21 01:41:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_mem [2021-11-21 01:41:12,992 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_mem [2021-11-21 01:41:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-21 01:41:12,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-21 01:41:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-21 01:41:12,992 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-21 01:41:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-21 01:41:12,993 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-21 01:41:12,993 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-21 01:41:12,993 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-21 01:41:12,993 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-21 01:41:12,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-21 01:41:12,993 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-21 01:41:12,993 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-21 01:41:12,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:41:12,994 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_irq [2021-11-21 01:41:12,994 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_irq [2021-11-21 01:41:12,994 INFO L130 BoogieDeclarations]: Found specification of procedure poll_bnx2 [2021-11-21 01:41:12,994 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_bnx2 [2021-11-21 01:41:12,994 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_features [2021-11-21 01:41:12,994 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_features [2021-11-21 01:41:12,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-21 01:41:12,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-21 01:41:12,995 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_dump_mcp_state [2021-11-21 01:41:12,995 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_dump_mcp_state [2021-11-21 01:41:14,930 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:41:14,936 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:41:15,383 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-21 01:43:55,131 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:44:02,864 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:44:02,865 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-21 01:44:02,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:44:02 BoogieIcfgContainer [2021-11-21 01:44:02,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:44:02,875 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:44:02,875 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:44:02,879 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:44:02,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:41:00" (1/3) ... [2021-11-21 01:44:02,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c7560d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:44:02, skipping insertion in model container [2021-11-21 01:44:02,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:10" (2/3) ... [2021-11-21 01:44:02,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c7560d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:44:02, skipping insertion in model container [2021-11-21 01:44:02,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:44:02" (3/3) ... [2021-11-21 01:44:02,882 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-21 01:44:02,888 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:44:02,888 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-21 01:44:02,961 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:44:02,968 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 01:44:02,969 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-21 01:44:03,074 INFO L276 IsEmpty]: Start isEmpty. Operand has 4550 states, 2700 states have (on average 1.2829629629629629) internal successors, (3464), 2797 states have internal predecessors, (3464), 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) [2021-11-21 01:44:03,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-21 01:44:03,100 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:44:03,101 INFO L514 BasicCegarLoop]: 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] [2021-11-21 01:44:03,102 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:44:03,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:44:03,111 INFO L85 PathProgramCache]: Analyzing trace with hash 228552281, now seen corresponding path program 1 times [2021-11-21 01:44:03,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:44:03,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506064616] [2021-11-21 01:44:03,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:44:03,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:44:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:44:04,370 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-11-21 01:44:04,370 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:44:04,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506064616] [2021-11-21 01:44:04,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506064616] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:44:04,372 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:44:04,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:44:04,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444251288] [2021-11-21 01:44:04,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:44:04,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:44:04,380 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:44:04,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:44:04,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:44:04,425 INFO L87 Difference]: Start difference. First operand has 4550 states, 2700 states have (on average 1.2829629629629629) internal successors, (3464), 2797 states have internal predecessors, (3464), 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) [2021-11-21 01:44:10,059 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:44:15,216 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:44:17,239 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:44:21,880 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:44:27,153 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:44:29,431 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:44:33,035 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:44:36,689 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:44:38,957 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:44:41,342 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:44:43,676 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:44:44,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:44:44,632 INFO L93 Difference]: Finished difference Result 9082 states and 13304 transitions. [2021-11-21 01:44:44,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:44:44,635 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 [2021-11-21 01:44:44,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:44:44,707 INFO L225 Difference]: With dead ends: 9082 [2021-11-21 01:44:44,707 INFO L226 Difference]: Without dead ends: 4519 [2021-11-21 01:44:44,760 INFO L932 BasicCegarLoop]: 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 [2021-11-21 01:44:44,764 INFO L933 BasicCegarLoop]: 5923 mSDtfsCounter, 5 mSDsluCounter, 13167 mSDsCounter, 0 mSdLazyCounter, 2004 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 17764 SdHoareTripleChecker+Invalid, 2013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2004 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:44:44,765 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 17764 Invalid, 2013 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2004 Invalid, 9 Unknown, 0 Unchecked, 39.6s Time] [2021-11-21 01:44:44,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4519 states. [2021-11-21 01:44:45,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4519 to 4517. [2021-11-21 01:44:45,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4517 states, 2695 states have (on average 1.2790352504638218) internal successors, (3447), 2786 states have internal predecessors, (3447), 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) [2021-11-21 01:44:45,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4517 states to 4517 states and 6541 transitions. [2021-11-21 01:44:45,466 INFO L78 Accepts]: Start accepts. Automaton has 4517 states and 6541 transitions. Word has length 106 [2021-11-21 01:44:45,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:44:45,468 INFO L470 AbstractCegarLoop]: Abstraction has 4517 states and 6541 transitions. [2021-11-21 01:44:45,468 INFO L471 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) [2021-11-21 01:44:45,468 INFO L276 IsEmpty]: Start isEmpty. Operand 4517 states and 6541 transitions. [2021-11-21 01:44:45,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-21 01:44:45,474 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:44:45,475 INFO L514 BasicCegarLoop]: 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] [2021-11-21 01:44:45,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:44:45,475 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:44:45,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:44:45,476 INFO L85 PathProgramCache]: Analyzing trace with hash 279873093, now seen corresponding path program 1 times [2021-11-21 01:44:45,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:44:45,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871617128] [2021-11-21 01:44:45,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:44:45,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:44:45,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:44:47,372 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2021-11-21 01:44:47,373 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:44:47,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871617128] [2021-11-21 01:44:47,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871617128] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:44:47,373 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:44:47,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-21 01:44:47,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868388265] [2021-11-21 01:44:47,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:44:47,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 01:44:47,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:44:47,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 01:44:47,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-21 01:44:47,376 INFO L87 Difference]: Start difference. First operand 4517 states and 6541 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) [2021-11-21 01:45:00,467 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:45:11,416 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:45:12,427 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:45:14,451 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:45:18,262 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:45:20,290 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:45:28,576 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:45:35,450 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:45:39,592 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:45:46,468 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:45:51,694 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:45:54,256 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:45:57,034 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:45:59,344 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:46:01,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:46:01,280 INFO L93 Difference]: Finished difference Result 6840 states and 9921 transitions. [2021-11-21 01:46:01,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-21 01:46:01,281 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 [2021-11-21 01:46:01,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:46:01,355 INFO L225 Difference]: With dead ends: 6840 [2021-11-21 01:46:01,355 INFO L226 Difference]: Without dead ends: 6838 [2021-11-21 01:46:01,359 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-21 01:46:01,361 INFO L933 BasicCegarLoop]: 6809 mSDtfsCounter, 3213 mSDsluCounter, 27453 mSDsCounter, 0 mSdLazyCounter, 5109 mSolverCounterSat, 8 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3216 SdHoareTripleChecker+Valid, 31546 SdHoareTripleChecker+Invalid, 5129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 5109 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:46:01,361 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3216 Valid, 31546 Invalid, 5129 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8 Valid, 5109 Invalid, 12 Unknown, 0 Unchecked, 72.2s Time] [2021-11-21 01:46:01,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6838 states. [2021-11-21 01:46:01,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6838 to 6827. [2021-11-21 01:46:01,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6827 states, 4069 states have (on average 1.2843450479233227) internal successors, (5226), 4246 states have internal predecessors, (5226), 2298 states have call successors, (2298), 481 states have call predecessors, (2298), 458 states have return successors, (2379), 2198 states have call predecessors, (2379), 2298 states have call successors, (2379) [2021-11-21 01:46:01,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6827 states to 6827 states and 9903 transitions. [2021-11-21 01:46:01,947 INFO L78 Accepts]: Start accepts. Automaton has 6827 states and 9903 transitions. Word has length 123 [2021-11-21 01:46:01,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:46:01,950 INFO L470 AbstractCegarLoop]: Abstraction has 6827 states and 9903 transitions. [2021-11-21 01:46:01,951 INFO L471 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) [2021-11-21 01:46:01,952 INFO L276 IsEmpty]: Start isEmpty. Operand 6827 states and 9903 transitions. [2021-11-21 01:46:01,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-21 01:46:01,975 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:46:01,976 INFO L514 BasicCegarLoop]: 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] [2021-11-21 01:46:01,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 01:46:01,977 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:46:01,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:46:01,978 INFO L85 PathProgramCache]: Analyzing trace with hash 955808002, now seen corresponding path program 1 times [2021-11-21 01:46:01,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:46:01,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952209172] [2021-11-21 01:46:01,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:01,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:46:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:46:02,918 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-11-21 01:46:02,919 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:46:02,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952209172] [2021-11-21 01:46:02,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952209172] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:46:02,919 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:46:02,919 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-21 01:46:02,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193997348] [2021-11-21 01:46:02,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:46:02,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 01:46:02,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:46:02,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 01:46:02,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-21 01:46:02,921 INFO L87 Difference]: Start difference. First operand 6827 states and 9903 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) [2021-11-21 01:46:11,270 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:46:17,881 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:46:18,929 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:46:21,600 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:46:36,577 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:46:39,600 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:46:43,217 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:46:45,491 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:46:47,856 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:46:52,638 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:46:54,971 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:46:56,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:46:56,576 INFO L93 Difference]: Finished difference Result 13654 states and 20002 transitions. [2021-11-21 01:46:56,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 01:46:56,577 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 [2021-11-21 01:46:56,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:46:56,652 INFO L225 Difference]: With dead ends: 13654 [2021-11-21 01:46:56,653 INFO L226 Difference]: Without dead ends: 6843 [2021-11-21 01:46:56,714 INFO L932 BasicCegarLoop]: 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 [2021-11-21 01:46:56,715 INFO L933 BasicCegarLoop]: 5869 mSDtfsCounter, 4 mSDsluCounter, 26114 mSDsCounter, 0 mSdLazyCounter, 3328 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 29338 SdHoareTripleChecker+Invalid, 3337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3328 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:46:56,716 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 29338 Invalid, 3337 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 3328 Invalid, 9 Unknown, 0 Unchecked, 53.1s Time] [2021-11-21 01:46:56,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6843 states. [2021-11-21 01:46:57,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6843 to 6835. [2021-11-21 01:46:57,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6835 states, 4075 states have (on average 1.2839263803680983) internal successors, (5232), 4252 states have internal predecessors, (5232), 2298 states have call successors, (2298), 481 states have call predecessors, (2298), 460 states have return successors, (2387), 2200 states have call predecessors, (2387), 2298 states have call successors, (2387) [2021-11-21 01:46:57,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6835 states to 6835 states and 9917 transitions. [2021-11-21 01:46:57,355 INFO L78 Accepts]: Start accepts. Automaton has 6835 states and 9917 transitions. Word has length 159 [2021-11-21 01:46:57,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:46:57,356 INFO L470 AbstractCegarLoop]: Abstraction has 6835 states and 9917 transitions. [2021-11-21 01:46:57,356 INFO L471 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) [2021-11-21 01:46:57,356 INFO L276 IsEmpty]: Start isEmpty. Operand 6835 states and 9917 transitions. [2021-11-21 01:46:57,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-21 01:46:57,373 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:46:57,373 INFO L514 BasicCegarLoop]: 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] [2021-11-21 01:46:57,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-21 01:46:57,374 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:46:57,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:46:57,375 INFO L85 PathProgramCache]: Analyzing trace with hash -2079869830, now seen corresponding path program 1 times [2021-11-21 01:46:57,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:46:57,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907489597] [2021-11-21 01:46:57,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:57,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:46:57,663 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:46:57,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [995292807] [2021-11-21 01:46:57,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:57,664 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:46:57,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:46:57,668 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:46:57,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:47:00,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:47:00,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 7716 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-21 01:47:00,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:47:37,726 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2021-11-21 01:47:37,726 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:47:37,726 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:47:37,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907489597] [2021-11-21 01:47:37,727 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:47:37,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995292807] [2021-11-21 01:47:37,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [995292807] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:47:37,727 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:47:37,728 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 01:47:37,728 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741060733] [2021-11-21 01:47:37,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:47:37,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 01:47:37,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:47:37,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 01:47:37,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-21 01:47:37,730 INFO L87 Difference]: Start difference. First operand 6835 states and 9917 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) [2021-11-21 01:47:47,557 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:47:49,594 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:47:51,621 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:47:53,640 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:48:01,924 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:48:04,500 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:48:06,535 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:48:12,430 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:48:15,541 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:48:25,271 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:48:31,807 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:48:33,739 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:48:38,245 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:48:41,469 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:48:44,167 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:48:50,188 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:48:52,490 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:48:53,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:48:53,818 INFO L93 Difference]: Finished difference Result 9168 states and 13327 transitions. [2021-11-21 01:48:53,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 01:48:53,819 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 [2021-11-21 01:48:53,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:48:53,908 INFO L225 Difference]: With dead ends: 9168 [2021-11-21 01:48:53,908 INFO L226 Difference]: Without dead ends: 9166 [2021-11-21 01:48:53,916 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-21 01:48:53,917 INFO L933 BasicCegarLoop]: 6955 mSDtfsCounter, 3118 mSDsluCounter, 23631 mSDsCounter, 0 mSdLazyCounter, 4849 mSolverCounterSat, 1 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 71.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3122 SdHoareTripleChecker+Valid, 28072 SdHoareTripleChecker+Invalid, 4863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4849 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 74.9s IncrementalHoareTripleChecker+Time [2021-11-21 01:48:53,918 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3122 Valid, 28072 Invalid, 4863 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 4849 Invalid, 13 Unknown, 0 Unchecked, 74.9s Time] [2021-11-21 01:48:53,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9166 states. [2021-11-21 01:48:54,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9166 to 9160. [2021-11-21 01:48:54,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9160 states, 5458 states have (on average 1.2861854159032613) internal successors, (7020), 5720 states have internal predecessors, (7020), 3052 states have call successors, (3052), 689 states have call predecessors, (3052), 648 states have return successors, (3247), 2878 states have call predecessors, (3247), 3052 states have call successors, (3247) [2021-11-21 01:48:54,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9160 states to 9160 states and 13319 transitions. [2021-11-21 01:48:54,788 INFO L78 Accepts]: Start accepts. Automaton has 9160 states and 13319 transitions. Word has length 176 [2021-11-21 01:48:54,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:48:54,790 INFO L470 AbstractCegarLoop]: Abstraction has 9160 states and 13319 transitions. [2021-11-21 01:48:54,790 INFO L471 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) [2021-11-21 01:48:54,790 INFO L276 IsEmpty]: Start isEmpty. Operand 9160 states and 13319 transitions. [2021-11-21 01:48:54,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-11-21 01:48:54,824 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:48:54,825 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:48:54,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:48:55,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:48:55,051 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:48:55,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:48:55,051 INFO L85 PathProgramCache]: Analyzing trace with hash 2146719782, now seen corresponding path program 1 times [2021-11-21 01:48:55,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:48:55,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531422421] [2021-11-21 01:48:55,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:48:55,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:48:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:48:59,225 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2021-11-21 01:48:59,225 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:48:59,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531422421] [2021-11-21 01:48:59,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531422421] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:48:59,225 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:48:59,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-21 01:48:59,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151787702] [2021-11-21 01:48:59,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:48:59,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 01:48:59,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:48:59,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 01:48:59,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-21 01:48:59,227 INFO L87 Difference]: Start difference. First operand 9160 states and 13319 transitions. Second operand has 6 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-21 01:49:10,674 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:49:19,297 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:49:20,592 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:49:21,599 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:49:22,666 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:49:26,011 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:49:28,635 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:49:35,620 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:49:41,456 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:49:47,116 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:49:49,135 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:49:50,688 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:49:52,705 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:49:54,354 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:49:59,233 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:50:02,545 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:50:05,270 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:50:11,351 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:50:13,674 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:50:15,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:50:15,564 INFO L93 Difference]: Finished difference Result 9172 states and 13338 transitions. [2021-11-21 01:50:15,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-21 01:50:15,564 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) Word has length 213 [2021-11-21 01:50:15,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:50:15,613 INFO L225 Difference]: With dead ends: 9172 [2021-11-21 01:50:15,613 INFO L226 Difference]: Without dead ends: 9170 [2021-11-21 01:50:15,618 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-21 01:50:15,619 INFO L933 BasicCegarLoop]: 6806 mSDtfsCounter, 3175 mSDsluCounter, 27452 mSDsCounter, 0 mSdLazyCounter, 5166 mSolverCounterSat, 8 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 71.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3178 SdHoareTripleChecker+Valid, 31516 SdHoareTripleChecker+Invalid, 5184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 5166 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 74.4s IncrementalHoareTripleChecker+Time [2021-11-21 01:50:15,619 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3178 Valid, 31516 Invalid, 5184 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 5166 Invalid, 10 Unknown, 0 Unchecked, 74.4s Time] [2021-11-21 01:50:15,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9170 states. [2021-11-21 01:50:16,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9170 to 9160. [2021-11-21 01:50:16,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9160 states, 5458 states have (on average 1.2860021986075485) internal successors, (7019), 5720 states have internal predecessors, (7019), 3052 states have call successors, (3052), 689 states have call predecessors, (3052), 648 states have return successors, (3247), 2878 states have call predecessors, (3247), 3052 states have call successors, (3247) [2021-11-21 01:50:16,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9160 states to 9160 states and 13318 transitions. [2021-11-21 01:50:16,493 INFO L78 Accepts]: Start accepts. Automaton has 9160 states and 13318 transitions. Word has length 213 [2021-11-21 01:50:16,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:50:16,493 INFO L470 AbstractCegarLoop]: Abstraction has 9160 states and 13318 transitions. [2021-11-21 01:50:16,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-21 01:50:16,494 INFO L276 IsEmpty]: Start isEmpty. Operand 9160 states and 13318 transitions. [2021-11-21 01:50:16,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2021-11-21 01:50:16,541 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:50:16,542 INFO L514 BasicCegarLoop]: 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] [2021-11-21 01:50:16,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-21 01:50:16,543 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:50:16,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:50:16,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1346202660, now seen corresponding path program 1 times [2021-11-21 01:50:16,543 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:50:16,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053595186] [2021-11-21 01:50:16,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:50:16,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:50:16,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:50:17,121 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2021-11-21 01:50:17,121 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:50:17,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053595186] [2021-11-21 01:50:17,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053595186] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:50:17,121 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:50:17,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:50:17,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635508165] [2021-11-21 01:50:17,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:50:17,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:50:17,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:50:17,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:50:17,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:50:17,123 INFO L87 Difference]: Start difference. First operand 9160 states and 13318 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) [2021-11-21 01:50:22,601 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:50:33,653 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:50:36,478 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:50:38,498 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:50:41,201 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:50:43,382 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:50:45,638 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:50:49,259 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:50:51,564 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:50:52,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:50:52,389 INFO L93 Difference]: Finished difference Result 13686 states and 20337 transitions. [2021-11-21 01:50:52,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:50:52,390 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 [2021-11-21 01:50:52,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:50:52,448 INFO L225 Difference]: With dead ends: 13686 [2021-11-21 01:50:52,448 INFO L226 Difference]: Without dead ends: 9181 [2021-11-21 01:50:52,485 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:50:52,486 INFO L933 BasicCegarLoop]: 5958 mSDtfsCounter, 13 mSDsluCounter, 6607 mSDsCounter, 0 mSdLazyCounter, 1337 mSolverCounterSat, 0 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 11900 SdHoareTripleChecker+Invalid, 1345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1337 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.4s IncrementalHoareTripleChecker+Time [2021-11-21 01:50:52,486 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 11900 Invalid, 1345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1337 Invalid, 8 Unknown, 0 Unchecked, 34.4s Time] [2021-11-21 01:50:52,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9181 states. [2021-11-21 01:50:53,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9181 to 9161. [2021-11-21 01:50:53,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9161 states, 5459 states have (on average 1.2859498076570801) internal successors, (7020), 5721 states have internal predecessors, (7020), 3052 states have call successors, (3052), 689 states have call predecessors, (3052), 648 states have return successors, (3247), 2878 states have call predecessors, (3247), 3052 states have call successors, (3247) [2021-11-21 01:50:53,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9161 states to 9161 states and 13319 transitions. [2021-11-21 01:50:53,586 INFO L78 Accepts]: Start accepts. Automaton has 9161 states and 13319 transitions. Word has length 312 [2021-11-21 01:50:53,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:50:53,588 INFO L470 AbstractCegarLoop]: Abstraction has 9161 states and 13319 transitions. [2021-11-21 01:50:53,588 INFO L471 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) [2021-11-21 01:50:53,588 INFO L276 IsEmpty]: Start isEmpty. Operand 9161 states and 13319 transitions. [2021-11-21 01:50:53,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2021-11-21 01:50:53,630 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:50:53,631 INFO L514 BasicCegarLoop]: 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] [2021-11-21 01:50:53,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-21 01:50:53,631 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:50:53,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:50:53,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1374588792, now seen corresponding path program 1 times [2021-11-21 01:50:53,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:50:53,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859999548] [2021-11-21 01:50:53,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:50:53,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:50:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:50:54,200 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2021-11-21 01:50:54,201 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:50:54,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859999548] [2021-11-21 01:50:54,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859999548] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:50:54,201 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:50:54,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:50:54,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680506390] [2021-11-21 01:50:54,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:50:54,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:50:54,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:50:54,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:50:54,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:50:54,203 INFO L87 Difference]: Start difference. First operand 9161 states and 13319 transitions. Second operand has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 3 states have call successors, (59), 2 states have call predecessors, (59), 3 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2021-11-21 01:50:59,758 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:51:04,385 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:51:12,665 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:51:16,503 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:51:19,751 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:51:21,959 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:51:24,298 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:51:27,896 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:51:30,208 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:51:31,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:51:31,696 INFO L93 Difference]: Finished difference Result 13676 states and 20179 transitions. [2021-11-21 01:51:31,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 01:51:31,697 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 3 states have call successors, (59), 2 states have call predecessors, (59), 3 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) Word has length 333 [2021-11-21 01:51:31,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:51:31,764 INFO L225 Difference]: With dead ends: 13676 [2021-11-21 01:51:31,764 INFO L226 Difference]: Without dead ends: 9170 [2021-11-21 01:51:31,802 INFO L932 BasicCegarLoop]: 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 [2021-11-21 01:51:31,803 INFO L933 BasicCegarLoop]: 5860 mSDtfsCounter, 17 mSDsluCounter, 13005 mSDsCounter, 0 mSdLazyCounter, 2033 mSolverCounterSat, 8 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 17540 SdHoareTripleChecker+Invalid, 2050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2033 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.7s IncrementalHoareTripleChecker+Time [2021-11-21 01:51:31,803 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 17540 Invalid, 2050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 2033 Invalid, 9 Unknown, 0 Unchecked, 36.7s Time] [2021-11-21 01:51:31,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9170 states. [2021-11-21 01:51:32,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9170 to 9170. [2021-11-21 01:51:32,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9170 states, 5464 states have (on average 1.285688140556369) internal successors, (7025), 5726 states have internal predecessors, (7025), 3055 states have call successors, (3055), 692 states have call predecessors, (3055), 649 states have return successors, (3250), 2879 states have call predecessors, (3250), 3055 states have call successors, (3250) [2021-11-21 01:51:32,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9170 states to 9170 states and 13330 transitions. [2021-11-21 01:51:32,745 INFO L78 Accepts]: Start accepts. Automaton has 9170 states and 13330 transitions. Word has length 333 [2021-11-21 01:51:32,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:51:32,747 INFO L470 AbstractCegarLoop]: Abstraction has 9170 states and 13330 transitions. [2021-11-21 01:51:32,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 3 states have call successors, (59), 2 states have call predecessors, (59), 3 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2021-11-21 01:51:32,747 INFO L276 IsEmpty]: Start isEmpty. Operand 9170 states and 13330 transitions. [2021-11-21 01:51:32,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-11-21 01:51:32,794 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:51:32,794 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1] [2021-11-21 01:51:32,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-21 01:51:32,795 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:51:32,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:51:32,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1074261196, now seen corresponding path program 1 times [2021-11-21 01:51:32,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:51:32,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546285034] [2021-11-21 01:51:32,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:51:32,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:51:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:51:33,332 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2021-11-21 01:51:33,332 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:51:33,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546285034] [2021-11-21 01:51:33,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546285034] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:51:33,333 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:51:33,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:51:33,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060936154] [2021-11-21 01:51:33,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:51:33,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:51:33,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:51:33,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:51:33,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:51:33,335 INFO L87 Difference]: Start difference. First operand 9170 states and 13330 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2021-11-21 01:51:35,896 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:51:39,604 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:51:44,235 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:51:45,463 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:51:50,703 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:51:54,602 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:51:57,383 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:52:00,342 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:52:03,813 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:52:06,131 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:52:08,340 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:52:10,697 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:52:11,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:52:11,804 INFO L93 Difference]: Finished difference Result 13694 states and 20211 transitions. [2021-11-21 01:52:11,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:52:11,805 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) Word has length 297 [2021-11-21 01:52:11,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:52:11,878 INFO L225 Difference]: With dead ends: 13694 [2021-11-21 01:52:11,878 INFO L226 Difference]: Without dead ends: 9183 [2021-11-21 01:52:11,920 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:52:11,921 INFO L933 BasicCegarLoop]: 5874 mSDtfsCounter, 11 mSDsluCounter, 6526 mSDsCounter, 0 mSdLazyCounter, 1332 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 11737 SdHoareTripleChecker+Invalid, 1341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1332 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:52:11,922 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 11737 Invalid, 1341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1332 Invalid, 9 Unknown, 0 Unchecked, 37.6s Time] [2021-11-21 01:52:11,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9183 states. [2021-11-21 01:52:12,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9183 to 9171. [2021-11-21 01:52:12,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9171 states, 5465 states have (on average 1.2856358645928636) internal successors, (7026), 5727 states have internal predecessors, (7026), 3055 states have call successors, (3055), 692 states have call predecessors, (3055), 649 states have return successors, (3250), 2879 states have call predecessors, (3250), 3055 states have call successors, (3250) [2021-11-21 01:52:12,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9171 states to 9171 states and 13331 transitions. [2021-11-21 01:52:12,882 INFO L78 Accepts]: Start accepts. Automaton has 9171 states and 13331 transitions. Word has length 297 [2021-11-21 01:52:12,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:52:12,883 INFO L470 AbstractCegarLoop]: Abstraction has 9171 states and 13331 transitions. [2021-11-21 01:52:12,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2021-11-21 01:52:12,883 INFO L276 IsEmpty]: Start isEmpty. Operand 9171 states and 13331 transitions. [2021-11-21 01:52:12,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-11-21 01:52:12,904 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:52:12,904 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:52:12,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-21 01:52:12,905 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:52:12,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:52:12,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1850191539, now seen corresponding path program 1 times [2021-11-21 01:52:12,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:52:12,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386537122] [2021-11-21 01:52:12,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:52:12,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:52:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:52:13,557 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2021-11-21 01:52:13,558 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:52:13,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386537122] [2021-11-21 01:52:13,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386537122] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:52:13,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326805556] [2021-11-21 01:52:13,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:52:13,559 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:52:13,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:52:13,564 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:52:13,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:52:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:52:16,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 8212 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-21 01:52:16,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:52:17,455 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2021-11-21 01:52:17,455 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:52:17,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1326805556] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:52:17,456 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:52:17,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-21 01:52:17,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790235444] [2021-11-21 01:52:17,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:52:17,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:52:17,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:52:17,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:52:17,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:52:17,459 INFO L87 Difference]: Start difference. First operand 9171 states and 13331 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2021-11-21 01:52:22,459 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:52:24,585 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:52:26,976 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:52:28,086 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:52:33,536 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:52:36,563 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:52:39,951 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:52:43,007 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:52:46,077 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:52:48,400 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:52:50,611 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:52:52,964 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:52:54,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:52:54,127 INFO L93 Difference]: Finished difference Result 13701 states and 20393 transitions. [2021-11-21 01:52:54,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:52:54,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 304 [2021-11-21 01:52:54,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:52:54,202 INFO L225 Difference]: With dead ends: 13701 [2021-11-21 01:52:54,202 INFO L226 Difference]: Without dead ends: 9189 [2021-11-21 01:52:54,244 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:52:54,248 INFO L933 BasicCegarLoop]: 5980 mSDtfsCounter, 11 mSDsluCounter, 6627 mSDsCounter, 0 mSdLazyCounter, 1332 mSolverCounterSat, 0 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 11945 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1332 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.8s IncrementalHoareTripleChecker+Time [2021-11-21 01:52:54,248 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 11945 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1332 Invalid, 10 Unknown, 0 Unchecked, 35.8s Time] [2021-11-21 01:52:54,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9189 states. [2021-11-21 01:52:55,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9189 to 9172. [2021-11-21 01:52:55,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9172 states, 5466 states have (on average 1.2855836077570435) internal successors, (7027), 5728 states have internal predecessors, (7027), 3055 states have call successors, (3055), 692 states have call predecessors, (3055), 649 states have return successors, (3250), 2879 states have call predecessors, (3250), 3055 states have call successors, (3250) [2021-11-21 01:52:55,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9172 states to 9172 states and 13332 transitions. [2021-11-21 01:52:55,097 INFO L78 Accepts]: Start accepts. Automaton has 9172 states and 13332 transitions. Word has length 304 [2021-11-21 01:52:55,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:52:55,099 INFO L470 AbstractCegarLoop]: Abstraction has 9172 states and 13332 transitions. [2021-11-21 01:52:55,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2021-11-21 01:52:55,100 INFO L276 IsEmpty]: Start isEmpty. Operand 9172 states and 13332 transitions. [2021-11-21 01:52:55,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-11-21 01:52:55,131 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:52:55,132 INFO L514 BasicCegarLoop]: 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] [2021-11-21 01:52:55,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:52:55,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:52:55,351 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:52:55,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:52:55,351 INFO L85 PathProgramCache]: Analyzing trace with hash 2034767163, now seen corresponding path program 1 times [2021-11-21 01:52:55,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:52:55,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294548234] [2021-11-21 01:52:55,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:52:55,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:52:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:53:00,359 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2021-11-21 01:53:00,360 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:53:00,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294548234] [2021-11-21 01:53:00,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294548234] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:53:00,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670654777] [2021-11-21 01:53:00,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:53:00,361 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:53:00,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:53:00,367 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:53:00,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:53:02,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:53:02,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 8419 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:53:02,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:53:04,124 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2021-11-21 01:53:04,125 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:53:04,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1670654777] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:53:04,125 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:53:04,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2021-11-21 01:53:04,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005619027] [2021-11-21 01:53:04,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:53:04,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:53:04,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:53:04,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:53:04,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-11-21 01:53:04,128 INFO L87 Difference]: Start difference. First operand 9172 states and 13332 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) [2021-11-21 01:53:08,798 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:53:13,291 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:53:18,474 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:53:21,422 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:53:25,152 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:53:26,155 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:53:29,266 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:53:32,694 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:53:35,008 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:53:37,244 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:53:39,607 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:53:40,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:53:40,949 INFO L93 Difference]: Finished difference Result 18273 states and 26820 transitions. [2021-11-21 01:53:40,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:53:40,950 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 [2021-11-21 01:53:40,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:53:41,013 INFO L225 Difference]: With dead ends: 18273 [2021-11-21 01:53:41,013 INFO L226 Difference]: Without dead ends: 9117 [2021-11-21 01:53:41,067 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-11-21 01:53:41,068 INFO L933 BasicCegarLoop]: 5812 mSDtfsCounter, 2 mSDsluCounter, 6470 mSDsCounter, 0 mSdLazyCounter, 1320 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11623 SdHoareTripleChecker+Invalid, 1329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1320 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.8s IncrementalHoareTripleChecker+Time [2021-11-21 01:53:41,069 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 11623 Invalid, 1329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1320 Invalid, 9 Unknown, 0 Unchecked, 35.8s Time] [2021-11-21 01:53:41,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9117 states. [2021-11-21 01:53:41,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9117 to 9117. [2021-11-21 01:53:41,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9117 states, 5435 states have (on average 1.2846366145354187) internal successors, (6982), 5693 states have internal predecessors, (6982), 3032 states have call successors, (3032), 691 states have call predecessors, (3032), 648 states have return successors, (3219), 2858 states have call predecessors, (3219), 3032 states have call successors, (3219) [2021-11-21 01:53:41,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9117 states to 9117 states and 13233 transitions. [2021-11-21 01:53:41,909 INFO L78 Accepts]: Start accepts. Automaton has 9117 states and 13233 transitions. Word has length 275 [2021-11-21 01:53:41,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:53:41,910 INFO L470 AbstractCegarLoop]: Abstraction has 9117 states and 13233 transitions. [2021-11-21 01:53:41,910 INFO L471 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) [2021-11-21 01:53:41,910 INFO L276 IsEmpty]: Start isEmpty. Operand 9117 states and 13233 transitions. [2021-11-21 01:53:41,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-11-21 01:53:41,929 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:53:41,929 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:53:41,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-21 01:53:42,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-21 01:53:42,131 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:53:42,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:53:42,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1000843972, now seen corresponding path program 1 times [2021-11-21 01:53:42,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:53:42,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476739089] [2021-11-21 01:53:42,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:53:42,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:53:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:53:42,739 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2021-11-21 01:53:42,739 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:53:42,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476739089] [2021-11-21 01:53:42,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476739089] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:53:42,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392837161] [2021-11-21 01:53:42,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:53:42,740 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:53:42,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:53:42,741 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:53:42,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e832a699-3277-4369-9fad-c72982248a81/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 01:53:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:53:45,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 8511 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:53:45,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:53:46,765 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 56 proven. 1 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-21 01:53:46,766 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:53:48,597 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2021-11-21 01:53:48,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392837161] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:53:48,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [431552614] [2021-11-21 01:53:48,629 INFO L159 IcfgInterpreter]: Started Sifa with 255 locations of interest [2021-11-21 01:53:48,630 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:53:48,636 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:53:48,641 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:53:48,641 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs