./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d62356a-cd7a-4fc5-856a-041782935599/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d62356a-cd7a-4fc5-856a-041782935599/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d62356a-cd7a-4fc5-856a-041782935599/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d62356a-cd7a-4fc5-856a-041782935599/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d62356a-cd7a-4fc5-856a-041782935599/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d62356a-cd7a-4fc5-856a-041782935599/bin/utaipan-eEHZpOm5b7 --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 685a5495a615388cc9b013e733459d717ac35dd65edbd21694d2de3571df9ab1 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:23:09,349 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:23:09,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:23:09,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:23:09,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:23:09,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:23:09,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:23:09,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:23:09,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:23:09,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:23:09,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:23:09,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:23:09,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:23:09,423 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:23:09,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:23:09,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:23:09,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:23:09,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:23:09,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:23:09,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:23:09,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:23:09,446 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:23:09,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:23:09,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:23:09,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:23:09,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:23:09,460 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:23:09,463 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:23:09,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:23:09,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:23:09,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:23:09,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:23:09,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:23:09,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:23:09,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:23:09,471 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:23:09,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:23:09,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:23:09,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:23:09,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:23:09,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:23:09,475 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d62356a-cd7a-4fc5-856a-041782935599/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 18:23:09,521 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:23:09,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:23:09,521 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:23:09,521 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:23:09,525 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:23:09,526 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:23:09,526 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:23:09,526 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:23:09,526 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:23:09,526 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:23:09,528 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:23:09,528 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:23:09,528 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:23:09,529 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:23:09,529 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:23:09,529 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:23:09,529 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:23:09,529 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:23:09,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:23:09,531 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:23:09,531 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:23:09,531 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:23:09,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:23:09,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:23:09,532 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:23:09,533 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:23:09,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:23:09,535 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:23:09,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:23:09,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:23:09,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:23:09,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:23:09,536 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:23:09,536 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:23:09,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:23:09,537 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:23:09,537 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:23:09,537 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:23:09,537 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_7d62356a-cd7a-4fc5-856a-041782935599/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d62356a-cd7a-4fc5-856a-041782935599/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 685a5495a615388cc9b013e733459d717ac35dd65edbd21694d2de3571df9ab1 [2021-11-25 18:23:09,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:23:09,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:23:09,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:23:09,846 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:23:09,847 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:23:09,848 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d62356a-cd7a-4fc5-856a-041782935599/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-25 18:23:09,923 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d62356a-cd7a-4fc5-856a-041782935599/bin/utaipan-eEHZpOm5b7/data/341952e21/dea75cd75a0443c2804accfe77c66fd9/FLAGd9e296e13 [2021-11-25 18:23:11,076 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:23:11,076 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d62356a-cd7a-4fc5-856a-041782935599/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-25 18:23:11,161 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d62356a-cd7a-4fc5-856a-041782935599/bin/utaipan-eEHZpOm5b7/data/341952e21/dea75cd75a0443c2804accfe77c66fd9/FLAGd9e296e13 [2021-11-25 18:23:11,305 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d62356a-cd7a-4fc5-856a-041782935599/bin/utaipan-eEHZpOm5b7/data/341952e21/dea75cd75a0443c2804accfe77c66fd9 [2021-11-25 18:23:11,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:23:11,309 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:23:11,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:23:11,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:23:11,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:23:11,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:23:11" (1/1) ... [2021-11-25 18:23:11,316 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c5358fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:11, skipping insertion in model container [2021-11-25 18:23:11,317 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:23:11" (1/1) ... [2021-11-25 18:23:11,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:23:11,621 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:23:20,126 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_7d62356a-cd7a-4fc5-856a-041782935599/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[705498,705511] [2021-11-25 18:23:20,129 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_7d62356a-cd7a-4fc5-856a-041782935599/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[705643,705656] [2021-11-25 18:23:20,166 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:23:20,294 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:23:20,983 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_7d62356a-cd7a-4fc5-856a-041782935599/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[705498,705511] [2021-11-25 18:23:20,984 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_7d62356a-cd7a-4fc5-856a-041782935599/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[705643,705656] [2021-11-25 18:23:20,992 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:23:21,486 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:23:21,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:21 WrapperNode [2021-11-25 18:23:21,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:23:21,488 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:23:21,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:23:21,488 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:23:21,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:21" (1/1) ... [2021-11-25 18:23:21,809 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:21" (1/1) ... [2021-11-25 18:23:22,395 INFO L137 Inliner]: procedures = 848, calls = 8804, calls flagged for inlining = 413, calls inlined = 359, statements flattened = 16865 [2021-11-25 18:23:22,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:23:22,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:23:22,398 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:23:22,398 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:23:22,407 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:21" (1/1) ... [2021-11-25 18:23:22,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:21" (1/1) ... [2021-11-25 18:23:22,551 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:21" (1/1) ... [2021-11-25 18:23:22,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:21" (1/1) ... [2021-11-25 18:23:23,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:21" (1/1) ... [2021-11-25 18:23:23,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:21" (1/1) ... [2021-11-25 18:23:23,286 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:21" (1/1) ... [2021-11-25 18:23:23,443 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:23:23,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:23:23,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:23:23,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:23:23,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:21" (1/1) ... [2021-11-25 18:23:23,453 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:23:23,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d62356a-cd7a-4fc5-856a-041782935599/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:23:23,484 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d62356a-cd7a-4fc5-856a-041782935599/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:23:23,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d62356a-cd7a-4fc5-856a-041782935599/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:23:23,527 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resolve_flow_ctrl [2021-11-25 18:23:23,527 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resolve_flow_ctrl [2021-11-25 18:23:23,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_126 [2021-11-25 18:23:23,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_126 [2021-11-25 18:23:23,528 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-25 18:23:23,528 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-25 18:23:23,528 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-25 18:23:23,528 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-25 18:23:23,528 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read_dword [2021-11-25 18:23:23,528 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read_dword [2021-11-25 18:23:23,529 INFO L130 BoogieDeclarations]: Found specification of procedure get_l2_fhdr [2021-11-25 18:23:23,529 INFO L138 BoogieDeclarations]: Found implementation of procedure get_l2_fhdr [2021-11-25 18:23:23,529 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_stop [2021-11-25 18:23:23,529 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_stop [2021-11-25 18:23:23,529 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rx_context [2021-11-25 18:23:23,529 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rx_context [2021-11-25 18:23:23,530 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-25 18:23:23,530 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-25 18:23:23,530 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-25 18:23:23,530 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-25 18:23:23,530 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resume [2021-11-25 18:23:23,530 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resume [2021-11-25 18:23:23,531 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2021-11-25 18:23:23,531 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2021-11-25 18:23:23,531 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-25 18:23:23,531 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-25 18:23:23,531 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_data [2021-11-25 18:23:23,531 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_data [2021-11-25 18:23:23,532 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_phy [2021-11-25 18:23:23,532 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_phy [2021-11-25 18:23:23,532 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 18:23:23,532 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-25 18:23:23,532 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-25 18:23:23,532 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-25 18:23:23,533 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-25 18:23:23,533 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_napi [2021-11-25 18:23:23,533 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_napi [2021-11-25 18:23:23,533 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_read_phy [2021-11-25 18:23:23,533 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_read_phy [2021-11-25 18:23:23,533 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-25 18:23:23,534 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-25 18:23:23,534 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-25 18:23:23,534 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-25 18:23:23,534 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-25 18:23:23,534 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-25 18:23:23,534 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-25 18:23:23,535 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-25 18:23:23,535 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-25 18:23:23,535 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-25 18:23:23,535 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-11-25 18:23:23,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-11-25 18:23:23,535 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_mode [2021-11-25 18:23:23,536 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_mode [2021-11-25 18:23:23,536 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 18:23:23,536 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 18:23:23,536 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_wol [2021-11-25 18:23:23,536 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_wol [2021-11-25 18:23:23,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 18:23:23,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 18:23:23,537 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_nic [2021-11-25 18:23:23,537 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_nic [2021-11-25 18:23:23,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:23:23,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_indirect_lock_of_bnx2 [2021-11-25 18:23:23,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_indirect_lock_of_bnx2 [2021-11-25 18:23:23,538 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_channels [2021-11-25 18:23:23,538 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_channels [2021-11-25 18:23:23,538 INFO L130 BoogieDeclarations]: Found specification of procedure __bnx2_free_irq [2021-11-25 18:23:23,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __bnx2_free_irq [2021-11-25 18:23:23,538 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-25 18:23:23,538 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-25 18:23:23,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-25 18:23:23,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-25 18:23:23,539 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-25 18:23:23,539 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-25 18:23:23,539 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-25 18:23:23,539 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-25 18:23:23,539 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_open [2021-11-25 18:23:23,540 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_open [2021-11-25 18:23:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_chip [2021-11-25 18:23:23,540 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_chip [2021-11-25 18:23:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_settings [2021-11-25 18:23:23,540 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_settings [2021-11-25 18:23:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-25 18:23:23,541 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-25 18:23:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2021-11-25 18:23:23,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2021-11-25 18:23:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure check_mips_fw_entry [2021-11-25 18:23:23,541 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mips_fw_entry [2021-11-25 18:23:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_start [2021-11-25 18:23:23,542 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_start [2021-11-25 18:23:23,542 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_rd [2021-11-25 18:23:23,542 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_rd [2021-11-25 18:23:23,542 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_link [2021-11-25 18:23:23,542 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_link [2021-11-25 18:23:23,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:23:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-25 18:23:23,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-25 18:23:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-25 18:23:23,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-25 18:23:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-25 18:23:23,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-25 18:23:23,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-25 18:23:23,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-25 18:23:23,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-25 18:23:23,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-25 18:23:23,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:23:23,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_indirect_lock_of_bnx2 [2021-11-25 18:23:23,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_indirect_lock_of_bnx2 [2021-11-25 18:23:23,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 18:23:23,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 18:23:23,545 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-25 18:23:23,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-25 18:23:23,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:23:23,546 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-25 18:23:23,546 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-25 18:23:23,546 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 18:23:23,546 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_pauseparam [2021-11-25 18:23:23,546 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_pauseparam [2021-11-25 18:23:23,546 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-25 18:23:23,547 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-25 18:23:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_one [2021-11-25 18:23:23,547 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_one [2021-11-25 18:23:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-25 18:23:23,547 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-25 18:23:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-25 18:23:23,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-25 18:23:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2021-11-25 18:23:23,548 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2021-11-25 18:23:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remove_one [2021-11-25 18:23:23,548 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remove_one [2021-11-25 18:23:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 18:23:23,549 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 18:23:23,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-25 18:23:23,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-25 18:23:23,549 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2021-11-25 18:23:23,549 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2021-11-25 18:23:23,549 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_access [2021-11-25 18:23:23,549 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_access [2021-11-25 18:23:23,550 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-25 18:23:23,550 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-25 18:23:23,550 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-11-25 18:23:23,550 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-11-25 18:23:23,550 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_run_loopback [2021-11-25 18:23:23,550 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_run_loopback [2021-11-25 18:23:23,550 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_disable [2021-11-25 18:23:23,551 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_disable [2021-11-25 18:23:23,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:23:23,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:23:23,562 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-25 18:23:23,562 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-25 18:23:23,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 18:23:23,563 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 18:23:23,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 18:23:23,563 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-25 18:23:23,563 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-25 18:23:23,563 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_int [2021-11-25 18:23:23,563 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_int [2021-11-25 18:23:23,564 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-25 18:23:23,564 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-25 18:23:23,564 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-25 18:23:23,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-25 18:23:23,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-25 18:23:23,564 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-25 18:23:23,564 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-25 18:23:23,565 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_nvram_access [2021-11-25 18:23:23,565 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_nvram_access [2021-11-25 18:23:23,565 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_mem [2021-11-25 18:23:23,565 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_mem [2021-11-25 18:23:23,565 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-25 18:23:23,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-25 18:23:23,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:23:23,566 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:23:23,566 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_nvram_lock [2021-11-25 18:23:23,566 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_nvram_lock [2021-11-25 18:23:23,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-25 18:23:23,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-25 18:23:23,566 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-11-25 18:23:23,567 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-11-25 18:23:23,567 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-25 18:23:23,567 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-25 18:23:23,567 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_avail [2021-11-25 18:23:23,567 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_avail [2021-11-25 18:23:23,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_110 [2021-11-25 18:23:23,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_110 [2021-11-25 18:23:23,568 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-25 18:23:23,568 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-25 18:23:23,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:23:23,568 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_phy [2021-11-25 18:23:23,568 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_phy [2021-11-25 18:23:23,568 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nvram [2021-11-25 18:23:23,569 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nvram [2021-11-25 18:23:23,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:23:23,569 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_remote_link [2021-11-25 18:23:23,569 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_remote_link [2021-11-25 18:23:23,569 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_io_resume [2021-11-25 18:23:23,569 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_io_resume [2021-11-25 18:23:23,569 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_write_phy [2021-11-25 18:23:23,570 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_write_phy [2021-11-25 18:23:23,570 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-25 18:23:23,570 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-25 18:23:23,570 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-25 18:23:23,570 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-25 18:23:23,570 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-25 18:23:23,571 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-25 18:23:23,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_phy_lock_of_bnx2 [2021-11-25 18:23:23,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_phy_lock_of_bnx2 [2021-11-25 18:23:23,571 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_phy_get_pause_adv [2021-11-25 18:23:23,571 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_phy_get_pause_adv [2021-11-25 18:23:23,571 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remote_phy_event [2021-11-25 18:23:23,571 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remote_phy_event [2021-11-25 18:23:23,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-25 18:23:23,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-25 18:23:23,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_104 [2021-11-25 18:23:23,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_104 [2021-11-25 18:23:23,572 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-25 18:23:23,572 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-25 18:23:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-25 18:23:23,573 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-25 18:23:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-11-25 18:23:23,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-11-25 18:23:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-25 18:23:23,573 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-25 18:23:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_cnic_irq_info [2021-11-25 18:23:23,574 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_cnic_irq_info [2021-11-25 18:23:23,574 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-25 18:23:23,574 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-25 18:23:23,574 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_suspend [2021-11-25 18:23:23,574 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_suspend [2021-11-25 18:23:23,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:23:23,574 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_ringparam [2021-11-25 18:23:23,575 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_ringparam [2021-11-25 18:23:23,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 18:23:23,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 18:23:23,575 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_send_heart_beat [2021-11-25 18:23:23,575 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_send_heart_beat [2021-11-25 18:23:23,575 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_eeprom_len [2021-11-25 18:23:23,576 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_eeprom_len [2021-11-25 18:23:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-25 18:23:23,578 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-25 18:23:23,578 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_firmware [2021-11-25 18:23:23,579 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_firmware [2021-11-25 18:23:23,579 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-25 18:23:23,579 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-25 18:23:23,580 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_regs_len [2021-11-25 18:23:23,580 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_regs_len [2021-11-25 18:23:23,581 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_close [2021-11-25 18:23:23,581 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_close [2021-11-25 18:23:23,587 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-25 18:23:23,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-25 18:23:23,587 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_coalesce [2021-11-25 18:23:23,587 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_coalesce [2021-11-25 18:23:23,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_125 [2021-11-25 18:23:23,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_125 [2021-11-25 18:23:23,588 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-25 18:23:23,588 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-25 18:23:23,588 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-25 18:23:23,588 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-25 18:23:23,588 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-25 18:23:23,588 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-25 18:23:23,589 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_ring_size [2021-11-25 18:23:23,589 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_ring_size [2021-11-25 18:23:23,589 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-25 18:23:23,589 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-25 18:23:23,589 INFO L130 BoogieDeclarations]: Found specification of procedure load_rv2p_fw [2021-11-25 18:23:23,589 INFO L138 BoogieDeclarations]: Found implementation of procedure load_rv2p_fw [2021-11-25 18:23:23,589 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_bmsr1 [2021-11-25 18:23:23,590 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_bmsr1 [2021-11-25 18:23:23,590 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-25 18:23:23,590 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-25 18:23:23,590 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int [2021-11-25 18:23:23,590 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int [2021-11-25 18:23:23,590 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-25 18:23:23,590 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-25 18:23:23,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 18:23:23,591 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 18:23:23,591 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rxbd_rings [2021-11-25 18:23:23,591 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rxbd_rings [2021-11-25 18:23:23,591 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-25 18:23:23,591 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-25 18:23:23,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 18:23:23,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 18:23:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_start [2021-11-25 18:23:23,592 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_start [2021-11-25 18:23:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_int_mode [2021-11-25 18:23:23,592 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_int_mode [2021-11-25 18:23:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-25 18:23:23,592 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-25 18:23:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_bmsr1 [2021-11-25 18:23:23,593 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_bmsr1 [2021-11-25 18:23:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_forced_2g5 [2021-11-25 18:23:23,593 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_forced_2g5 [2021-11-25 18:23:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-25 18:23:23,593 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-25 18:23:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_xceiver_str [2021-11-25 18:23:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_xceiver_str [2021-11-25 18:23:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-25 18:23:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-25 18:23:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_ctx_wr [2021-11-25 18:23:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_ctx_wr [2021-11-25 18:23:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_bnx2_pci_driver_exit_16_2 [2021-11-25 18:23:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_bnx2_pci_driver_exit_16_2 [2021-11-25 18:23:23,595 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-25 18:23:23,595 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-25 18:23:23,595 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_remote_phy [2021-11-25 18:23:23,595 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_remote_phy [2021-11-25 18:23:23,595 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2021-11-25 18:23:23,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2021-11-25 18:23:23,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 18:23:23,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 18:23:23,596 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-25 18:23:23,596 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-25 18:23:23,596 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-25 18:23:23,596 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-25 18:23:23,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 18:23:23,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 18:23:23,596 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-25 18:23:23,597 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-25 18:23:23,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:23:23,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-25 18:23:23,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-25 18:23:23,597 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-25 18:23:23,597 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-25 18:23:23,597 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_request_irq [2021-11-25 18:23:23,598 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_request_irq [2021-11-25 18:23:23,598 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_wr_ind [2021-11-25 18:23:23,598 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_wr_ind [2021-11-25 18:23:23,598 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-25 18:23:23,598 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-25 18:23:23,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 18:23:23,598 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_intr [2021-11-25 18:23:23,599 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_intr [2021-11-25 18:23:23,599 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nic [2021-11-25 18:23:23,599 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nic [2021-11-25 18:23:23,599 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-25 18:23:23,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-25 18:23:23,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 18:23:23,599 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_addr [2021-11-25 18:23:23,600 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_addr [2021-11-25 18:23:23,600 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2021-11-25 18:23:23,600 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2021-11-25 18:23:23,600 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_msi [2021-11-25 18:23:23,600 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_msi [2021-11-25 18:23:23,600 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-25 18:23:23,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-25 18:23:23,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-25 18:23:23,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-25 18:23:23,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 18:23:23,601 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 18:23:23,601 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_skbs [2021-11-25 18:23:23,601 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_skbs [2021-11-25 18:23:23,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-25 18:23:23,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-25 18:23:23,602 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_and_enable_2g5 [2021-11-25 18:23:23,602 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_and_enable_2g5 [2021-11-25 18:23:23,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-25 18:23:23,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-25 18:23:23,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-25 18:23:23,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-25 18:23:23,602 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_msix_tbl [2021-11-25 18:23:23,603 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_msix_tbl [2021-11-25 18:23:23,603 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int_sync [2021-11-25 18:23:23,603 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int_sync [2021-11-25 18:23:23,603 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_del_napi [2021-11-25 18:23:23,603 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_del_napi [2021-11-25 18:23:23,603 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-25 18:23:23,607 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-25 18:23:23,607 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-25 18:23:23,607 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-25 18:23:23,607 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_enable [2021-11-25 18:23:23,607 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_enable [2021-11-25 18:23:23,607 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_wol [2021-11-25 18:23:23,608 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_wol [2021-11-25 18:23:23,608 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 18:23:23,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 18:23:23,609 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 18:23:23,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 18:23:23,610 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_timeout [2021-11-25 18:23:23,610 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_timeout [2021-11-25 18:23:23,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-25 18:23:23,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-25 18:23:23,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-25 18:23:23,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-25 18:23:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_find_info_keyword [2021-11-25 18:23:23,611 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_find_info_keyword [2021-11-25 18:23:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_acquire_nvram_lock [2021-11-25 18:23:23,611 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_acquire_nvram_lock [2021-11-25 18:23:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-25 18:23:23,611 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-25 18:23:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-25 18:23:23,612 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-25 18:23:23,612 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-11-25 18:23:23,612 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-11-25 18:23:23,612 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-25 18:23:23,612 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-25 18:23:23,612 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-25 18:23:23,612 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-25 18:23:23,612 INFO L130 BoogieDeclarations]: Found specification of procedure check_fw_section [2021-11-25 18:23:23,613 INFO L138 BoogieDeclarations]: Found implementation of procedure check_fw_section [2021-11-25 18:23:23,613 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_settings [2021-11-25 18:23:23,613 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_settings [2021-11-25 18:23:23,613 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-25 18:23:23,613 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-25 18:23:23,613 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-25 18:23:23,613 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-25 18:23:23,614 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-25 18:23:23,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-25 18:23:23,614 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_write_dword [2021-11-25 18:23:23,614 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_write_dword [2021-11-25 18:23:23,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 18:23:23,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 18:23:23,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 18:23:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_link [2021-11-25 18:23:23,615 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_link [2021-11-25 18:23:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-25 18:23:23,615 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-25 18:23:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-25 18:23:23,615 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-25 18:23:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_phy_lock_of_bnx2 [2021-11-25 18:23:23,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_phy_lock_of_bnx2 [2021-11-25 18:23:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-25 18:23:23,616 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-25 18:23:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nway_reset [2021-11-25 18:23:23,616 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nway_reset [2021-11-25 18:23:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_work [2021-11-25 18:23:23,616 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_work [2021-11-25 18:23:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_fast_work [2021-11-25 18:23:23,617 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_fast_work [2021-11-25 18:23:23,617 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-25 18:23:23,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-25 18:23:23,617 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_link [2021-11-25 18:23:23,617 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_link [2021-11-25 18:23:23,617 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-25 18:23:23,617 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-25 18:23:23,618 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_report_link [2021-11-25 18:23:23,618 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_report_link [2021-11-25 18:23:23,618 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_phy [2021-11-25 18:23:23,618 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_phy [2021-11-25 18:23:23,618 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-25 18:23:23,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-25 18:23:23,618 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_rx_cons [2021-11-25 18:23:23,619 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_rx_cons [2021-11-25 18:23:23,619 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-25 18:23:23,619 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-25 18:23:23,619 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_ring_size [2021-11-25 18:23:23,619 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_ring_size [2021-11-25 18:23:23,619 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_power_state [2021-11-25 18:23:23,619 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_power_state [2021-11-25 18:23:23,619 INFO L130 BoogieDeclarations]: Found specification of procedure load_cpu_fw [2021-11-25 18:23:23,620 INFO L138 BoogieDeclarations]: Found implementation of procedure load_cpu_fw [2021-11-25 18:23:23,620 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2021-11-25 18:23:23,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2021-11-25 18:23:23,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 18:23:23,620 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_tx_cons [2021-11-25 18:23:23,620 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_tx_cons [2021-11-25 18:23:23,620 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_info_field_size [2021-11-25 18:23:23,621 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_info_field_size [2021-11-25 18:23:23,621 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 18:23:23,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 18:23:23,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-25 18:23:23,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-25 18:23:23,621 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_fw_sync [2021-11-25 18:23:23,621 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_fw_sync [2021-11-25 18:23:23,622 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_wr [2021-11-25 18:23:23,622 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_wr [2021-11-25 18:23:23,622 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_5706s_force_link_dn [2021-11-25 18:23:23,622 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_5706s_force_link_dn [2021-11-25 18:23:23,622 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-25 18:23:23,622 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-25 18:23:23,622 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_link [2021-11-25 18:23:23,622 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_link [2021-11-25 18:23:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 18:23:23,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 18:23:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-11-25 18:23:23,623 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-11-25 18:23:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read [2021-11-25 18:23:23,623 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read [2021-11-25 18:23:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mac_addr [2021-11-25 18:23:23,624 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mac_addr [2021-11-25 18:23:23,624 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_fw_cap [2021-11-25 18:23:23,624 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_fw_cap [2021-11-25 18:23:23,624 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_rd_ind [2021-11-25 18:23:23,624 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_rd_ind [2021-11-25 18:23:23,624 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_write [2021-11-25 18:23:23,624 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_write [2021-11-25 18:23:23,625 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-25 18:23:23,625 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-25 18:23:23,625 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-25 18:23:23,625 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-25 18:23:23,625 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-11-25 18:23:23,625 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-11-25 18:23:23,625 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown [2021-11-25 18:23:23,625 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown [2021-11-25 18:23:23,626 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_forced_2g5 [2021-11-25 18:23:23,626 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_forced_2g5 [2021-11-25 18:23:23,626 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 18:23:23,626 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 18:23:23,626 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_stop [2021-11-25 18:23:23,626 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_stop [2021-11-25 18:23:23,626 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_find_max_ring [2021-11-25 18:23:23,627 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_find_max_ring [2021-11-25 18:23:23,627 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_coalesce [2021-11-25 18:23:23,627 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_coalesce [2021-11-25 18:23:23,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_111 [2021-11-25 18:23:23,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_111 [2021-11-25 18:23:23,627 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 18:23:23,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 18:23:23,627 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_page [2021-11-25 18:23:23,628 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_page [2021-11-25 18:23:23,628 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-25 18:23:23,628 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-25 18:23:23,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_105 [2021-11-25 18:23:23,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_105 [2021-11-25 18:23:23,628 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-25 18:23:23,628 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-25 18:23:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-25 18:23:23,629 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-25 18:23:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown_chip [2021-11-25 18:23:23,629 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown_chip [2021-11-25 18:23:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_mem [2021-11-25 18:23:23,629 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_mem [2021-11-25 18:23:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 18:23:23,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 18:23:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-25 18:23:23,630 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-25 18:23:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-25 18:23:23,630 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-25 18:23:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-25 18:23:23,630 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-25 18:23:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 18:23:23,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 18:23:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-25 18:23:23,631 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-25 18:23:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:23:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_irq [2021-11-25 18:23:23,631 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_irq [2021-11-25 18:23:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure poll_bnx2 [2021-11-25 18:23:23,632 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_bnx2 [2021-11-25 18:23:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-25 18:23:23,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-25 18:23:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_dump_mcp_state [2021-11-25 18:23:23,632 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_dump_mcp_state [2021-11-25 18:23:25,316 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:23:25,323 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:23:25,740 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 18:25:53,878 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-25 18:25:54,058 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:26:01,801 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:26:01,801 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-25 18:26:01,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:26:01 BoogieIcfgContainer [2021-11-25 18:26:01,810 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:26:01,812 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:26:01,812 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:26:01,815 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:26:01,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:23:11" (1/3) ... [2021-11-25 18:26:01,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fdea86a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:26:01, skipping insertion in model container [2021-11-25 18:26:01,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:23:21" (2/3) ... [2021-11-25 18:26:01,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fdea86a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:26:01, skipping insertion in model container [2021-11-25 18:26:01,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:26:01" (3/3) ... [2021-11-25 18:26:01,818 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-25 18:26:01,823 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:26:01,823 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-25 18:26:01,889 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:26:01,896 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 [2021-11-25 18:26:01,896 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-25 18:26:02,008 INFO L276 IsEmpty]: Start isEmpty. Operand has 4755 states, 2869 states have (on average 1.302195887068665) internal successors, (3736), 2942 states have internal predecessors, (3736), 1624 states have call successors, (1624), 261 states have call predecessors, (1624), 260 states have return successors, (1615), 1605 states have call predecessors, (1615), 1615 states have call successors, (1615) [2021-11-25 18:26:02,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-11-25 18:26:02,074 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:26:02,075 INFO L514 BasicCegarLoop]: trace histogram [30, 28, 28, 28, 28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:26:02,076 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:26:02,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:26:02,081 INFO L85 PathProgramCache]: Analyzing trace with hash -565685703, now seen corresponding path program 1 times [2021-11-25 18:26:02,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:26:02,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827186955] [2021-11-25 18:26:02,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:26:02,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:26:02,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:26:03,412 INFO L134 CoverageAnalysis]: Checked inductivity of 3138 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3138 trivial. 0 not checked. [2021-11-25 18:26:03,415 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:26:03,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827186955] [2021-11-25 18:26:03,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827186955] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:26:03,417 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:26:03,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:26:03,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088284759] [2021-11-25 18:26:03,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:26:03,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:26:03,430 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:26:03,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:26:03,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:26:03,477 INFO L87 Difference]: Start difference. First operand has 4755 states, 2869 states have (on average 1.302195887068665) internal successors, (3736), 2942 states have internal predecessors, (3736), 1624 states have call successors, (1624), 261 states have call predecessors, (1624), 260 states have return successors, (1615), 1605 states have call predecessors, (1615), 1615 states have call successors, (1615) Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-11-25 18:26:06,701 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:08,770 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:12,271 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:18,135 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:25,242 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:27,543 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:30,668 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:33,093 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:35,652 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:38,235 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:38,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:26:38,867 INFO L93 Difference]: Finished difference Result 13809 states and 20454 transitions. [2021-11-25 18:26:38,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:26:38,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 335 [2021-11-25 18:26:38,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:26:39,152 INFO L225 Difference]: With dead ends: 13809 [2021-11-25 18:26:39,153 INFO L226 Difference]: Without dead ends: 9041 [2021-11-25 18:26:39,197 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 [2021-11-25 18:26:39,200 INFO L933 BasicCegarLoop]: 8142 mSDtfsCounter, 6355 mSDsluCounter, 6890 mSDsCounter, 0 mSdLazyCounter, 1657 mSolverCounterSat, 19 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6364 SdHoareTripleChecker+Valid, 14287 SdHoareTripleChecker+Invalid, 1685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1657 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:26:39,201 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6364 Valid, 14287 Invalid, 1685 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 1657 Invalid, 9 Unknown, 0 Unchecked, 34.4s Time] [2021-11-25 18:26:39,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9041 states. [2021-11-25 18:26:39,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9041 to 9032. [2021-11-25 18:26:39,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9032 states, 5495 states have (on average 1.2991810737033667) internal successors, (7139), 5639 states have internal predecessors, (7139), 3029 states have call successors, (3029), 507 states have call predecessors, (3029), 506 states have return successors, (3035), 3005 states have call predecessors, (3035), 3029 states have call successors, (3035) [2021-11-25 18:26:39,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9032 states to 9032 states and 13203 transitions. [2021-11-25 18:26:39,941 INFO L78 Accepts]: Start accepts. Automaton has 9032 states and 13203 transitions. Word has length 335 [2021-11-25 18:26:39,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:26:39,943 INFO L470 AbstractCegarLoop]: Abstraction has 9032 states and 13203 transitions. [2021-11-25 18:26:39,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-11-25 18:26:39,943 INFO L276 IsEmpty]: Start isEmpty. Operand 9032 states and 13203 transitions. [2021-11-25 18:26:39,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2021-11-25 18:26:39,972 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:26:39,972 INFO L514 BasicCegarLoop]: trace histogram [28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:26:39,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:26:39,973 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:26:39,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:26:39,974 INFO L85 PathProgramCache]: Analyzing trace with hash 950851536, now seen corresponding path program 1 times [2021-11-25 18:26:39,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:26:39,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432444586] [2021-11-25 18:26:39,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:26:39,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:26:40,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:26:40,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2862 trivial. 0 not checked. [2021-11-25 18:26:40,891 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:26:40,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432444586] [2021-11-25 18:26:40,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432444586] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:26:40,891 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:26:40,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:26:40,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715363255] [2021-11-25 18:26:40,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:26:40,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:26:40,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:26:40,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:26:40,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:26:40,895 INFO L87 Difference]: Start difference. First operand 9032 states and 13203 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-11-25 18:26:44,202 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:45,446 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:50,377 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:57,333 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:26:59,694 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:05,106 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:07,431 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:11,656 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:15,210 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:17,482 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:19,699 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:20,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:27:20,628 INFO L93 Difference]: Finished difference Result 26403 states and 38574 transitions. [2021-11-25 18:27:20,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:27:20,636 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 345 [2021-11-25 18:27:20,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:27:20,811 INFO L225 Difference]: With dead ends: 26403 [2021-11-25 18:27:20,811 INFO L226 Difference]: Without dead ends: 17426 [2021-11-25 18:27:20,889 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 [2021-11-25 18:27:20,890 INFO L933 BasicCegarLoop]: 8943 mSDtfsCounter, 6238 mSDsluCounter, 6796 mSDsCounter, 0 mSdLazyCounter, 1815 mSolverCounterSat, 29 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6245 SdHoareTripleChecker+Valid, 15005 SdHoareTripleChecker+Invalid, 1853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1815 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:27:20,891 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6245 Valid, 15005 Invalid, 1853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1815 Invalid, 9 Unknown, 0 Unchecked, 39.0s Time] [2021-11-25 18:27:20,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17426 states. [2021-11-25 18:27:21,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17426 to 17416. [2021-11-25 18:27:22,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17416 states, 10597 states have (on average 1.2956497121826933) internal successors, (13730), 10875 states have internal predecessors, (13730), 5820 states have call successors, (5820), 999 states have call predecessors, (5820), 997 states have return successors, (5839), 5776 states have call predecessors, (5839), 5820 states have call successors, (5839) [2021-11-25 18:27:22,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17416 states to 17416 states and 25389 transitions. [2021-11-25 18:27:22,139 INFO L78 Accepts]: Start accepts. Automaton has 17416 states and 25389 transitions. Word has length 345 [2021-11-25 18:27:22,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:27:22,141 INFO L470 AbstractCegarLoop]: Abstraction has 17416 states and 25389 transitions. [2021-11-25 18:27:22,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-11-25 18:27:22,142 INFO L276 IsEmpty]: Start isEmpty. Operand 17416 states and 25389 transitions. [2021-11-25 18:27:22,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-11-25 18:27:22,178 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:27:22,179 INFO L514 BasicCegarLoop]: trace histogram [28, 27, 27, 27, 27, 27, 27, 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] [2021-11-25 18:27:22,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:27:22,179 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:27:22,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:27:22,180 INFO L85 PathProgramCache]: Analyzing trace with hash -419308551, now seen corresponding path program 1 times [2021-11-25 18:27:22,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:27:22,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528080548] [2021-11-25 18:27:22,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:27:22,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:27:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:27:22,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2865 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2865 trivial. 0 not checked. [2021-11-25 18:27:22,926 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:27:22,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528080548] [2021-11-25 18:27:22,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528080548] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:27:22,927 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:27:22,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:27:22,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199781840] [2021-11-25 18:27:22,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:27:22,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:27:22,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:27:22,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:27:22,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:27:22,930 INFO L87 Difference]: Start difference. First operand 17416 states and 25389 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-11-25 18:27:26,009 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:31,566 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:37,813 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:41,175 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:44,552 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:47,410 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:50,119 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:52,305 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:54,336 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:27:56,531 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:28:00,307 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:28:03,124 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:28:04,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:28:04,457 INFO L93 Difference]: Finished difference Result 49463 states and 71968 transitions. [2021-11-25 18:28:04,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:28:04,458 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 348 [2021-11-25 18:28:04,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:28:04,722 INFO L225 Difference]: With dead ends: 49463 [2021-11-25 18:28:04,723 INFO L226 Difference]: Without dead ends: 32102 [2021-11-25 18:28:04,835 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 [2021-11-25 18:28:04,839 INFO L933 BasicCegarLoop]: 8550 mSDtfsCounter, 5631 mSDsluCounter, 6776 mSDsCounter, 0 mSdLazyCounter, 1761 mSolverCounterSat, 7 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5638 SdHoareTripleChecker+Valid, 14621 SdHoareTripleChecker+Invalid, 1777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1761 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:28:04,840 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5638 Valid, 14621 Invalid, 1777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1761 Invalid, 9 Unknown, 0 Unchecked, 40.5s Time] [2021-11-25 18:28:04,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32102 states. [2021-11-25 18:28:06,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32102 to 32077. [2021-11-25 18:28:06,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32077 states, 19446 states have (on average 1.2885940553327162) internal successors, (25058), 19992 states have internal predecessors, (25058), 10691 states have call successors, (10691), 1951 states have call predecessors, (10691), 1938 states have return successors, (10869), 10586 states have call predecessors, (10869), 10691 states have call successors, (10869) [2021-11-25 18:28:07,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32077 states to 32077 states and 46618 transitions. [2021-11-25 18:28:07,255 INFO L78 Accepts]: Start accepts. Automaton has 32077 states and 46618 transitions. Word has length 348 [2021-11-25 18:28:07,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:28:07,256 INFO L470 AbstractCegarLoop]: Abstraction has 32077 states and 46618 transitions. [2021-11-25 18:28:07,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-11-25 18:28:07,257 INFO L276 IsEmpty]: Start isEmpty. Operand 32077 states and 46618 transitions. [2021-11-25 18:28:07,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2021-11-25 18:28:07,287 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:28:07,288 INFO L514 BasicCegarLoop]: trace histogram [29, 27, 27, 27, 27, 27, 27, 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] [2021-11-25 18:28:07,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 18:28:07,289 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:28:07,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:28:07,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1302169798, now seen corresponding path program 1 times [2021-11-25 18:28:07,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:28:07,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502466222] [2021-11-25 18:28:07,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:28:07,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:28:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:28:08,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2925 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2918 trivial. 0 not checked. [2021-11-25 18:28:08,169 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:28:08,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502466222] [2021-11-25 18:28:08,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502466222] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:28:08,169 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:28:08,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:28:08,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663608317] [2021-11-25 18:28:08,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:28:08,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:28:08,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:28:08,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:28:08,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:28:08,171 INFO L87 Difference]: Start difference. First operand 32077 states and 46618 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-11-25 18:28:11,903 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:28:16,002 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:28:21,464 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:28:26,848 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:28:29,895 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:28:33,368 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:28:37,645 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:28:40,366 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:28:42,698 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:28:44,869 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:28:48,585 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:28:51,252 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:28:52,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:28:52,408 INFO L93 Difference]: Finished difference Result 92715 states and 134730 transitions. [2021-11-25 18:28:52,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:28:52,415 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 365 [2021-11-25 18:28:52,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:28:53,138 INFO L225 Difference]: With dead ends: 92715 [2021-11-25 18:28:53,138 INFO L226 Difference]: Without dead ends: 60693 [2021-11-25 18:28:53,354 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 [2021-11-25 18:28:53,359 INFO L933 BasicCegarLoop]: 10123 mSDtfsCounter, 6423 mSDsluCounter, 6845 mSDsCounter, 0 mSdLazyCounter, 2056 mSolverCounterSat, 13 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6431 SdHoareTripleChecker+Valid, 16219 SdHoareTripleChecker+Invalid, 2078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2056 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:28:53,360 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6431 Valid, 16219 Invalid, 2078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 2056 Invalid, 9 Unknown, 0 Unchecked, 42.2s Time] [2021-11-25 18:28:53,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60693 states. [2021-11-25 18:28:57,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60693 to 60665. [2021-11-25 18:28:57,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60665 states, 36837 states have (on average 1.287944186551565) internal successors, (47444), 37881 states have internal predecessors, (47444), 20156 states have call successors, (20156), 3696 states have call predecessors, (20156), 3670 states have return successors, (20488), 19944 states have call predecessors, (20488), 20156 states have call successors, (20488) [2021-11-25 18:28:58,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60665 states to 60665 states and 88088 transitions. [2021-11-25 18:28:58,158 INFO L78 Accepts]: Start accepts. Automaton has 60665 states and 88088 transitions. Word has length 365 [2021-11-25 18:28:58,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:28:58,159 INFO L470 AbstractCegarLoop]: Abstraction has 60665 states and 88088 transitions. [2021-11-25 18:28:58,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-11-25 18:28:58,160 INFO L276 IsEmpty]: Start isEmpty. Operand 60665 states and 88088 transitions. [2021-11-25 18:28:58,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2021-11-25 18:28:58,217 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:28:58,218 INFO L514 BasicCegarLoop]: trace histogram [30, 27, 27, 27, 27, 27, 27, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:28:58,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 18:28:58,218 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:28:58,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:28:58,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1006152369, now seen corresponding path program 1 times [2021-11-25 18:28:58,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:28:58,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406281563] [2021-11-25 18:28:58,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:28:58,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:28:58,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:28:59,118 INFO L134 CoverageAnalysis]: Checked inductivity of 2992 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2986 trivial. 0 not checked. [2021-11-25 18:28:59,119 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:28:59,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406281563] [2021-11-25 18:28:59,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406281563] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:28:59,119 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:28:59,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:28:59,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564120223] [2021-11-25 18:28:59,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:28:59,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:28:59,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:28:59,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:28:59,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:28:59,121 INFO L87 Difference]: Start difference. First operand 60665 states and 88088 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2021-11-25 18:29:05,451 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:29:10,665 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:29:17,169 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:29:19,283 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:29:23,343 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:29:26,419 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:29:28,784 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:29:30,897 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:29:34,429 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:29:36,684 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:29:37,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:29:37,867 INFO L93 Difference]: Finished difference Result 122106 states and 177148 transitions. [2021-11-25 18:29:37,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:29:37,868 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 380 [2021-11-25 18:29:37,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:29:38,509 INFO L225 Difference]: With dead ends: 122106 [2021-11-25 18:29:38,509 INFO L226 Difference]: Without dead ends: 61496 [2021-11-25 18:29:38,839 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 [2021-11-25 18:29:38,840 INFO L933 BasicCegarLoop]: 6648 mSDtfsCounter, 978 mSDsluCounter, 6841 mSDsCounter, 0 mSdLazyCounter, 1585 mSolverCounterSat, 4 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 978 SdHoareTripleChecker+Valid, 12739 SdHoareTripleChecker+Invalid, 1598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1585 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:29:38,841 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [978 Valid, 12739 Invalid, 1598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1585 Invalid, 9 Unknown, 0 Unchecked, 36.1s Time] [2021-11-25 18:29:38,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61496 states. [2021-11-25 18:29:42,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61496 to 61496. [2021-11-25 18:29:42,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61496 states, 37359 states have (on average 1.2867582108728821) internal successors, (48072), 38412 states have internal predecessors, (48072), 20367 states have call successors, (20367), 3794 states have call predecessors, (20367), 3768 states have return successors, (20699), 20155 states have call predecessors, (20699), 20367 states have call successors, (20699) [2021-11-25 18:29:42,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61496 states to 61496 states and 89138 transitions. [2021-11-25 18:29:42,937 INFO L78 Accepts]: Start accepts. Automaton has 61496 states and 89138 transitions. Word has length 380 [2021-11-25 18:29:42,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:29:42,940 INFO L470 AbstractCegarLoop]: Abstraction has 61496 states and 89138 transitions. [2021-11-25 18:29:42,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2021-11-25 18:29:42,940 INFO L276 IsEmpty]: Start isEmpty. Operand 61496 states and 89138 transitions. [2021-11-25 18:29:42,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2021-11-25 18:29:42,966 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:29:42,967 INFO L514 BasicCegarLoop]: trace histogram [33, 28, 28, 28, 28, 28, 28, 5, 5, 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] [2021-11-25 18:29:42,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 18:29:42,967 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:29:42,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:29:42,968 INFO L85 PathProgramCache]: Analyzing trace with hash 840458585, now seen corresponding path program 1 times [2021-11-25 18:29:42,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:29:42,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568555199] [2021-11-25 18:29:42,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:29:42,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:29:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:29:43,557 INFO L134 CoverageAnalysis]: Checked inductivity of 3357 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3354 trivial. 0 not checked. [2021-11-25 18:29:43,557 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:29:43,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568555199] [2021-11-25 18:29:43,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568555199] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:29:43,557 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:29:43,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:29:43,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380778088] [2021-11-25 18:29:43,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:29:43,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:29:43,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:29:43,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:29:43,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:29:43,560 INFO L87 Difference]: Start difference. First operand 61496 states and 89138 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-11-25 18:29:47,443 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:29:55,074 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:29:56,968 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:30:01,427 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:30:09,451 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:30:12,673 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:30:15,012 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:30:17,198 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:30:21,255 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:30:24,175 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:30:25,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:30:25,728 INFO L93 Difference]: Finished difference Result 150448 states and 218179 transitions. [2021-11-25 18:30:25,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:30:25,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 382 [2021-11-25 18:30:25,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:30:26,672 INFO L225 Difference]: With dead ends: 150448 [2021-11-25 18:30:26,673 INFO L226 Difference]: Without dead ends: 89710 [2021-11-25 18:30:27,001 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 [2021-11-25 18:30:27,002 INFO L933 BasicCegarLoop]: 8567 mSDtfsCounter, 6285 mSDsluCounter, 6818 mSDsCounter, 0 mSdLazyCounter, 1741 mSolverCounterSat, 15 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6293 SdHoareTripleChecker+Valid, 14640 SdHoareTripleChecker+Invalid, 1764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1741 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:30:27,002 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6293 Valid, 14640 Invalid, 1764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1741 Invalid, 8 Unknown, 0 Unchecked, 38.9s Time] [2021-11-25 18:30:27,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89710 states. [2021-11-25 18:30:31,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89710 to 89694. [2021-11-25 18:30:31,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89694 states, 54539 states have (on average 1.286638918938741) internal successors, (70172), 56084 states have internal predecessors, (70172), 29646 states have call successors, (29646), 5545 states have call predecessors, (29646), 5507 states have return successors, (30125), 29330 states have call predecessors, (30125), 29646 states have call successors, (30125) [2021-11-25 18:30:32,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89694 states to 89694 states and 129943 transitions. [2021-11-25 18:30:32,922 INFO L78 Accepts]: Start accepts. Automaton has 89694 states and 129943 transitions. Word has length 382 [2021-11-25 18:30:32,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:30:32,923 INFO L470 AbstractCegarLoop]: Abstraction has 89694 states and 129943 transitions. [2021-11-25 18:30:32,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-11-25 18:30:32,924 INFO L276 IsEmpty]: Start isEmpty. Operand 89694 states and 129943 transitions. [2021-11-25 18:30:32,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2021-11-25 18:30:33,000 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:30:33,000 INFO L514 BasicCegarLoop]: trace histogram [33, 27, 27, 27, 27, 27, 27, 5, 5, 4, 4, 4, 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] [2021-11-25 18:30:33,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 18:30:33,001 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:30:33,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:30:33,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1119186980, now seen corresponding path program 1 times [2021-11-25 18:30:33,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:30:33,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121752586] [2021-11-25 18:30:33,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:30:33,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:30:33,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:30:33,963 INFO L134 CoverageAnalysis]: Checked inductivity of 3219 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 3199 trivial. 0 not checked. [2021-11-25 18:30:33,963 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:30:33,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121752586] [2021-11-25 18:30:33,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121752586] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:30:33,964 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:30:33,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:30:33,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204253217] [2021-11-25 18:30:33,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:30:33,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:30:33,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:30:33,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:30:33,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:30:33,966 INFO L87 Difference]: Start difference. First operand 89694 states and 129943 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2021-11-25 18:30:37,972 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:30:47,923 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:30:53,173 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:30:55,654 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:31:01,036 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:31:05,984 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:31:08,006 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:31:10,483 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:31:13,657 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:31:15,998 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:31:18,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:31:21,710 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:31:24,543 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:31:26,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:31:26,510 INFO L93 Difference]: Finished difference Result 219782 states and 318552 transitions. [2021-11-25 18:31:26,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:31:26,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 422 [2021-11-25 18:31:26,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:31:27,810 INFO L225 Difference]: With dead ends: 219782 [2021-11-25 18:31:27,811 INFO L226 Difference]: Without dead ends: 130846 [2021-11-25 18:31:28,252 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 [2021-11-25 18:31:28,253 INFO L933 BasicCegarLoop]: 11797 mSDtfsCounter, 6408 mSDsluCounter, 6842 mSDsCounter, 0 mSdLazyCounter, 2273 mSolverCounterSat, 9 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6418 SdHoareTripleChecker+Valid, 17891 SdHoareTripleChecker+Invalid, 2293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2273 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.7s IncrementalHoareTripleChecker+Time [2021-11-25 18:31:28,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6418 Valid, 17891 Invalid, 2293 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 2273 Invalid, 11 Unknown, 0 Unchecked, 47.7s Time] [2021-11-25 18:31:28,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130846 states. [2021-11-25 18:31:34,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130846 to 130807. [2021-11-25 18:31:34,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130807 states, 79586 states have (on average 1.2868343678536427) internal successors, (102414), 81850 states have internal predecessors, (102414), 43189 states have call successors, (43189), 8086 states have call predecessors, (43189), 8030 states have return successors, (43897), 42717 states have call predecessors, (43897), 43189 states have call successors, (43897) [2021-11-25 18:31:35,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130807 states to 130807 states and 189500 transitions. [2021-11-25 18:31:35,819 INFO L78 Accepts]: Start accepts. Automaton has 130807 states and 189500 transitions. Word has length 422 [2021-11-25 18:31:35,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:31:35,821 INFO L470 AbstractCegarLoop]: Abstraction has 130807 states and 189500 transitions. [2021-11-25 18:31:35,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2021-11-25 18:31:35,821 INFO L276 IsEmpty]: Start isEmpty. Operand 130807 states and 189500 transitions. [2021-11-25 18:31:35,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2021-11-25 18:31:35,868 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:31:35,868 INFO L514 BasicCegarLoop]: trace histogram [35, 28, 28, 28, 28, 28, 28, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:31:35,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 18:31:35,869 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:31:35,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:31:35,870 INFO L85 PathProgramCache]: Analyzing trace with hash -600578270, now seen corresponding path program 1 times [2021-11-25 18:31:35,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:31:35,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694951744] [2021-11-25 18:31:35,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:31:35,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:31:36,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:31:37,129 INFO L134 CoverageAnalysis]: Checked inductivity of 3601 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3601 trivial. 0 not checked. [2021-11-25 18:31:37,129 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:31:37,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694951744] [2021-11-25 18:31:37,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694951744] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:31:37,130 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:31:37,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:31:37,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764608271] [2021-11-25 18:31:37,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:31:37,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:31:37,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:31:37,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:31:37,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:31:37,132 INFO L87 Difference]: Start difference. First operand 130807 states and 189500 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-25 18:31:41,359 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:31:44,312 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:31:53,285 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:32:00,766 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:32:04,317 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:32:05,695 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:32:10,181 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:32:13,942 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:32:16,281 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:32:18,510 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:32:21,416 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:32:25,557 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:32:27,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:32:27,728 INFO L93 Difference]: Finished difference Result 260984 states and 379869 transitions. [2021-11-25 18:32:27,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:32:27,729 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 444 [2021-11-25 18:32:27,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:32:29,136 INFO L225 Difference]: With dead ends: 260984 [2021-11-25 18:32:29,136 INFO L226 Difference]: Without dead ends: 130935 [2021-11-25 18:32:29,789 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:32:29,790 INFO L933 BasicCegarLoop]: 6120 mSDtfsCounter, 5 mSDsluCounter, 13751 mSDsCounter, 0 mSdLazyCounter, 2289 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 18355 SdHoareTripleChecker+Invalid, 2298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2289 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:32:29,790 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 18355 Invalid, 2298 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2289 Invalid, 9 Unknown, 0 Unchecked, 45.1s Time] [2021-11-25 18:32:29,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130935 states. [2021-11-25 18:32:35,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130935 to 130899. [2021-11-25 18:32:35,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130899 states, 79664 states have (on average 1.2865535248041775) internal successors, (102492), 81942 states have internal predecessors, (102492), 43189 states have call successors, (43189), 8086 states have call predecessors, (43189), 8044 states have return successors, (43917), 42717 states have call predecessors, (43917), 43189 states have call successors, (43917) [2021-11-25 18:32:37,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130899 states to 130899 states and 189598 transitions. [2021-11-25 18:32:37,314 INFO L78 Accepts]: Start accepts. Automaton has 130899 states and 189598 transitions. Word has length 444 [2021-11-25 18:32:37,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:32:37,315 INFO L470 AbstractCegarLoop]: Abstraction has 130899 states and 189598 transitions. [2021-11-25 18:32:37,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-25 18:32:37,316 INFO L276 IsEmpty]: Start isEmpty. Operand 130899 states and 189598 transitions. [2021-11-25 18:32:37,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2021-11-25 18:32:37,369 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:32:37,370 INFO L514 BasicCegarLoop]: trace histogram [33, 27, 27, 27, 27, 27, 27, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:32:37,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-25 18:32:37,371 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:32:37,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:32:37,371 INFO L85 PathProgramCache]: Analyzing trace with hash 585148925, now seen corresponding path program 1 times [2021-11-25 18:32:37,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:32:37,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500940380] [2021-11-25 18:32:37,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:32:37,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:32:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:32:40,025 INFO L134 CoverageAnalysis]: Checked inductivity of 3272 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3272 trivial. 0 not checked. [2021-11-25 18:32:40,026 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:32:40,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500940380] [2021-11-25 18:32:40,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500940380] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:32:40,027 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:32:40,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 18:32:40,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809708816] [2021-11-25 18:32:40,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:32:40,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 18:32:40,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:32:40,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 18:32:40,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-25 18:32:40,029 INFO L87 Difference]: Start difference. First operand 130899 states and 189598 transitions. Second operand has 6 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (50), 3 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-25 18:32:48,050 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []