./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.7.3/main4_drivers-scsi-mpt2sas-mpt2sas-ko--32_7a--linux-3.7.3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3e2daf-f5b3-4e66-89a8-70c997a6e77f/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3e2daf-f5b3-4e66-89a8-70c997a6e77f/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3e2daf-f5b3-4e66-89a8-70c997a6e77f/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3e2daf-f5b3-4e66-89a8-70c997a6e77f/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main4_drivers-scsi-mpt2sas-mpt2sas-ko--32_7a--linux-3.7.3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3e2daf-f5b3-4e66-89a8-70c997a6e77f/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3e2daf-f5b3-4e66-89a8-70c997a6e77f/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 90c61b75497317b12c9d391d7d4a544d584f34ea6d03f42a5607313e4466773e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:47:47,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:47:47,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:47:47,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:47:47,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:47:47,263 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:47:47,265 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:47:47,269 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:47:47,273 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:47:47,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:47:47,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:47:47,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:47:47,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:47:47,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:47:47,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:47:47,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:47:47,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:47:47,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:47:47,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:47:47,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:47:47,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:47:47,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:47:47,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:47:47,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:47:47,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:47:47,325 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:47:47,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:47:47,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:47:47,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:47:47,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:47:47,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:47:47,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:47:47,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:47:47,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:47:47,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:47:47,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:47:47,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:47:47,339 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:47:47,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:47:47,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:47:47,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:47:47,342 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3e2daf-f5b3-4e66-89a8-70c997a6e77f/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-20 23:47:47,383 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:47:47,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:47:47,384 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:47:47,384 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:47:47,385 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:47:47,391 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:47:47,391 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:47:47,392 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:47:47,392 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:47:47,392 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:47:47,393 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:47:47,393 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:47:47,394 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:47:47,394 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:47:47,394 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:47:47,394 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:47:47,395 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:47:47,395 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:47:47,396 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:47:47,396 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:47:47,397 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:47:47,397 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:47:47,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:47:47,397 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:47:47,398 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:47:47,398 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:47:47,399 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:47:47,400 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:47:47,400 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:47:47,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:47:47,400 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:47:47,401 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:47:47,401 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:47:47,401 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:47:47,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:47:47,415 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:47:47,416 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:47:47,417 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:47:47,417 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_bc3e2daf-f5b3-4e66-89a8-70c997a6e77f/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3e2daf-f5b3-4e66-89a8-70c997a6e77f/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90c61b75497317b12c9d391d7d4a544d584f34ea6d03f42a5607313e4466773e [2021-11-20 23:47:47,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:47:47,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:47:47,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:47:47,722 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:47:47,723 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:47:47,724 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3e2daf-f5b3-4e66-89a8-70c997a6e77f/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-linux-3.7.3/main4_drivers-scsi-mpt2sas-mpt2sas-ko--32_7a--linux-3.7.3.i [2021-11-20 23:47:47,782 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3e2daf-f5b3-4e66-89a8-70c997a6e77f/bin/utaipan-TEXQjIfE4P/data/00a848585/297eb299780947ecb2e90702f26450e2/FLAG1ddc80f00 [2021-11-20 23:47:49,296 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:47:49,297 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3e2daf-f5b3-4e66-89a8-70c997a6e77f/sv-benchmarks/c/ldv-linux-3.7.3/main4_drivers-scsi-mpt2sas-mpt2sas-ko--32_7a--linux-3.7.3.i [2021-11-20 23:47:49,407 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3e2daf-f5b3-4e66-89a8-70c997a6e77f/bin/utaipan-TEXQjIfE4P/data/00a848585/297eb299780947ecb2e90702f26450e2/FLAG1ddc80f00 [2021-11-20 23:47:49,689 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3e2daf-f5b3-4e66-89a8-70c997a6e77f/bin/utaipan-TEXQjIfE4P/data/00a848585/297eb299780947ecb2e90702f26450e2 [2021-11-20 23:47:49,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:47:49,693 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:47:49,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:47:49,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:47:49,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:47:49,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:47:49" (1/1) ... [2021-11-20 23:47:49,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5639208e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:47:49, skipping insertion in model container [2021-11-20 23:47:49,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:47:49" (1/1) ... [2021-11-20 23:47:49,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:47:49,999 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:47:59,378 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_bc3e2daf-f5b3-4e66-89a8-70c997a6e77f/sv-benchmarks/c/ldv-linux-3.7.3/main4_drivers-scsi-mpt2sas-mpt2sas-ko--32_7a--linux-3.7.3.i[897390,897403] [2021-11-20 23:47:59,659 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:47:59,700 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:48:00,774 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_bc3e2daf-f5b3-4e66-89a8-70c997a6e77f/sv-benchmarks/c/ldv-linux-3.7.3/main4_drivers-scsi-mpt2sas-mpt2sas-ko--32_7a--linux-3.7.3.i[897390,897403] [2021-11-20 23:48:00,790 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:48:01,192 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:48:01,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:48:01 WrapperNode [2021-11-20 23:48:01,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:48:01,194 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:48:01,194 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:48:01,194 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:48:01,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:48:01" (1/1) ... [2021-11-20 23:48:01,515 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:48:01" (1/1) ... [2021-11-20 23:48:01,990 INFO L137 Inliner]: procedures = 794, calls = 11109, calls flagged for inlining = 308, calls inlined = 144, statements flattened = 13504 [2021-11-20 23:48:01,991 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:48:01,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:48:01,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:48:01,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:48:02,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:48:01" (1/1) ... [2021-11-20 23:48:02,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:48:01" (1/1) ... [2021-11-20 23:48:02,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:48:01" (1/1) ... [2021-11-20 23:48:02,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:48:01" (1/1) ... [2021-11-20 23:48:02,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:48:01" (1/1) ... [2021-11-20 23:48:02,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:48:01" (1/1) ... [2021-11-20 23:48:02,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:48:01" (1/1) ... [2021-11-20 23:48:02,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:48:02,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:48:02,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:48:02,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:48:02,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:48:01" (1/1) ... [2021-11-20 23:48:02,951 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:48:02,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3e2daf-f5b3-4e66-89a8-70c997a6e77f/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:48:02,980 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3e2daf-f5b3-4e66-89a8-70c997a6e77f/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:48:03,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3e2daf-f5b3-4e66-89a8-70c997a6e77f/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:48:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_expander_remove [2021-11-20 23:48:03,029 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_expander_remove [2021-11-20 23:48:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_state [2021-11-20 23:48:03,029 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_state [2021-11-20 23:48:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_init_warpdrive_properties [2021-11-20 23:48:03,029 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_init_warpdrive_properties [2021-11-20 23:48:03,030 INFO L130 BoogieDeclarations]: Found specification of procedure _base_handshake_req_reply_wait [2021-11-20 23:48:03,030 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_handshake_req_reply_wait [2021-11-20 23:48:03,030 INFO L130 BoogieDeclarations]: Found specification of procedure fasync_helper [2021-11-20 23:48:03,030 INFO L138 BoogieDeclarations]: Found implementation of procedure fasync_helper [2021-11-20 23:48:03,030 INFO L130 BoogieDeclarations]: Found specification of procedure _base_writeq [2021-11-20 23:48:03,030 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_writeq [2021-11-20 23:48:03,031 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_topology_change_event [2021-11-20 23:48:03,031 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_topology_change_event [2021-11-20 23:48:03,031 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2021-11-20 23:48:03,031 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2021-11-20 23:48:03,031 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_free [2021-11-20 23:48:03,031 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_free [2021-11-20 23:48:03,032 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-20 23:48:03,032 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-20 23:48:03,032 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2021-11-20 23:48:03,032 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2021-11-20 23:48:03,032 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_do_mpt_command [2021-11-20 23:48:03,032 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_do_mpt_command [2021-11-20 23:48:03,032 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_add [2021-11-20 23:48:03,033 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_add [2021-11-20 23:48:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_number_pds [2021-11-20 23:48:03,033 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_number_pds [2021-11-20 23:48:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_start [2021-11-20 23:48:03,033 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_start [2021-11-20 23:48:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_add [2021-11-20 23:48:03,034 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_add [2021-11-20 23:48:03,034 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_slave_destroy [2021-11-20 23:48:03,034 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_slave_destroy [2021-11-20 23:48:03,034 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_device [2021-11-20 23:48:03,034 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_device [2021-11-20 23:48:03,034 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-20 23:48:03,035 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-20 23:48:03,035 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ir_shutdown [2021-11-20 23:48:03,035 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ir_shutdown [2021-11-20 23:48:03,035 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-20 23:48:03,035 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-20 23:48:03,036 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-20 23:48:03,036 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-20 23:48:03,036 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_add [2021-11-20 23:48:03,036 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_add [2021-11-20 23:48:03,036 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove_device [2021-11-20 23:48:03,037 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove_device [2021-11-20 23:48:03,037 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_volume_wwid [2021-11-20 23:48:03,038 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_volume_wwid [2021-11-20 23:48:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_target [2021-11-20 23:48:03,039 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_target [2021-11-20 23:48:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-20 23:48:03,039 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-20 23:48:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_shutdown [2021-11-20 23:48:03,039 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_shutdown [2021-11-20 23:48:03,040 INFO L130 BoogieDeclarations]: Found specification of procedure _base_free_irq [2021-11-20 23:48:03,040 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_free_irq [2021-11-20 23:48:03,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex [2021-11-20 23:48:03,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex [2021-11-20 23:48:03,041 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_display_some_debug [2021-11-20 23:48:03,041 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_display_some_debug [2021-11-20 23:48:03,041 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-20 23:48:03,041 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-20 23:48:03,042 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_ack [2021-11-20 23:48:03,042 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_ack [2021-11-20 23:48:03,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-11-20 23:48:03,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-11-20 23:48:03,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:48:03,042 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_manufacturing_pg0 [2021-11-20 23:48:03,043 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_manufacturing_pg0 [2021-11-20 23:48:03,043 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_device [2021-11-20 23:48:03,043 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_device [2021-11-20 23:48:03,043 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_detach [2021-11-20 23:48:03,043 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_detach [2021-11-20 23:48:03,043 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_manufacturing_pg10 [2021-11-20 23:48:03,043 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_manufacturing_pg10 [2021-11-20 23:48:03,044 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-11-20 23:48:03,044 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-11-20 23:48:03,045 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scsi_lookup_get_clear [2021-11-20 23:48:03,045 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scsi_lookup_get_clear [2021-11-20 23:48:03,045 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_capability [2021-11-20 23:48:03,045 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_capability [2021-11-20 23:48:03,046 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf [2021-11-20 23:48:03,046 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf [2021-11-20 23:48:03,046 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-20 23:48:03,047 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-20 23:48:03,047 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-20 23:48:03,047 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-20 23:48:03,048 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-20 23:48:03,048 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-20 23:48:03,048 INFO L130 BoogieDeclarations]: Found specification of procedure _firmware_event_work [2021-11-20 23:48:03,048 INFO L138 BoogieDeclarations]: Found implementation of procedure _firmware_event_work [2021-11-20 23:48:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-11-20 23:48:03,049 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-11-20 23:48:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_target [2021-11-20 23:48:03,050 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_target [2021-11-20 23:48:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-11-20 23:48:03,050 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-11-20 23:48:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:48:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_convert_phy_link_rate [2021-11-20 23:48:03,050 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_convert_phy_link_rate [2021-11-20 23:48:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:48:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-20 23:48:03,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-20 23:48:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_sas_address [2021-11-20 23:48:03,051 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_sas_address [2021-11-20 23:48:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:48:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-20 23:48:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-11-20 23:48:03,053 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-11-20 23:48:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_refresh [2021-11-20 23:48:03,056 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_refresh [2021-11-20 23:48:03,056 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_wwid [2021-11-20 23:48:03,056 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_wwid [2021-11-20 23:48:03,056 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_scsi_enclosure_processor [2021-11-20 23:48:03,056 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_scsi_enclosure_processor [2021-11-20 23:48:03,058 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_turn_on_fault_led [2021-11-20 23:48:03,058 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_turn_on_fault_led [2021-11-20 23:48:03,058 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_int [2021-11-20 23:48:03,058 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_int [2021-11-20 23:48:03,065 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_access_status [2021-11-20 23:48:03,065 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_access_status [2021-11-20 23:48:03,065 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_volume_handle [2021-11-20 23:48:03,066 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_volume_handle [2021-11-20 23:48:03,066 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_expander_pg0 [2021-11-20 23:48:03,066 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_expander_pg0 [2021-11-20 23:48:03,066 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_expander_pg1 [2021-11-20 23:48:03,066 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_expander_pg1 [2021-11-20 23:48:03,066 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-20 23:48:03,066 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-20 23:48:03,066 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_smid_hpr [2021-11-20 23:48:03,067 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_smid_hpr [2021-11-20 23:48:03,067 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_handle [2021-11-20 23:48:03,067 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_handle [2021-11-20 23:48:03,067 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_device_remove_by_sas_address [2021-11-20 23:48:03,067 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_device_remove_by_sas_address [2021-11-20 23:48:03,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2021-11-20 23:48:03,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2021-11-20 23:48:03,068 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-11-20 23:48:03,068 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-11-20 23:48:03,068 INFO L130 BoogieDeclarations]: Found specification of procedure _base_reset_handler [2021-11-20 23:48:03,068 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_reset_handler [2021-11-20 23:48:03,068 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_hard_reset_handler [2021-11-20 23:48:03,068 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_hard_reset_handler [2021-11-20 23:48:03,068 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-20 23:48:03,069 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-20 23:48:03,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:48:03,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:48:03,069 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_port_remove [2021-11-20 23:48:03,069 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_port_remove [2021-11-20 23:48:03,069 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-20 23:48:03,069 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-20 23:48:03,070 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_register_2 [2021-11-20 23:48:03,070 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_register_2 [2021-11-20 23:48:03,070 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_number_hba_phys [2021-11-20 23:48:03,070 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_number_hba_phys [2021-11-20 23:48:03,070 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-20 23:48:03,070 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-20 23:48:03,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 23:48:03,070 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-11-20 23:48:03,071 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-11-20 23:48:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-20 23:48:03,071 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-20 23:48:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-20 23:48:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure _base_release_memory_pools [2021-11-20 23:48:03,071 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_release_memory_pools [2021-11-20 23:48:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___1 [2021-11-20 23:48:03,072 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___1 [2021-11-20 23:48:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___3 [2021-11-20 23:48:03,072 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___3 [2021-11-20 23:48:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___2 [2021-11-20 23:48:03,072 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___2 [2021-11-20 23:48:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_start_watchdog [2021-11-20 23:48:03,072 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_start_watchdog [2021-11-20 23:48:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_add [2021-11-20 23:48:03,073 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_add [2021-11-20 23:48:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-11-20 23:48:03,073 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-11-20 23:48:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-11-20 23:48:03,073 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-11-20 23:48:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-20 23:48:03,073 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-20 23:48:03,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-20 23:48:03,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-20 23:48:03,074 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_all_device [2021-11-20 23:48:03,074 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_all_device [2021-11-20 23:48:03,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 23:48:03,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 23:48:03,074 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-20 23:48:03,075 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-20 23:48:03,075 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-20 23:48:03,075 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-20 23:48:03,075 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_determine_boot_device [2021-11-20 23:48:03,075 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_determine_boot_device [2021-11-20 23:48:03,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:48:03,075 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-20 23:48:03,076 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-20 23:48:03,076 INFO L130 BoogieDeclarations]: Found specification of procedure _config_display_some_debug [2021-11-20 23:48:03,076 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_display_some_debug [2021-11-20 23:48:03,076 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_stop_watchdog [2021-11-20 23:48:03,076 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_stop_watchdog [2021-11-20 23:48:03,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:48:03,076 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_physical_disk_event [2021-11-20 23:48:03,076 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_physical_disk_event [2021-11-20 23:48:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-11-20 23:48:03,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-11-20 23:48:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure starget_for_each_device [2021-11-20 23:48:03,077 INFO L138 BoogieDeclarations]: Found implementation of procedure starget_for_each_device [2021-11-20 23:48:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-11-20 23:48:03,077 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-11-20 23:48:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-11-20 23:48:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-20 23:48:03,078 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-20 23:48:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-20 23:48:03,078 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-20 23:48:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_raid_devices [2021-11-20 23:48:03,078 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_raid_devices [2021-11-20 23:48:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove [2021-11-20 23:48:03,079 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove [2021-11-20 23:48:03,079 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_for_devices_after_reset [2021-11-20 23:48:03,079 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_for_devices_after_reset [2021-11-20 23:48:03,079 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-20 23:48:03,079 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-20 23:48:03,079 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_expander_report_manufacture [2021-11-20 23:48:03,079 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_expander_report_manufacture [2021-11-20 23:48:03,079 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2021-11-20 23:48:03,080 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2021-11-20 23:48:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_set_tm_flag [2021-11-20 23:48:03,080 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_set_tm_flag [2021-11-20 23:48:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure _base_is_controller_msix_enabled [2021-11-20 23:48:03,080 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_is_controller_msix_enabled [2021-11-20 23:48:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-20 23:48:03,080 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-20 23:48:03,081 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-20 23:48:03,081 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-20 23:48:03,081 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_block [2021-11-20 23:48:03,081 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_block [2021-11-20 23:48:03,082 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_free_smid [2021-11-20 23:48:03,086 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_free_smid [2021-11-20 23:48:03,086 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_refresh_expander_links [2021-11-20 23:48:03,086 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_refresh_expander_links [2021-11-20 23:48:03,086 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-11-20 23:48:03,086 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-11-20 23:48:03,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:48:03,086 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_expander_find_by_sas_address [2021-11-20 23:48:03,087 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_expander_find_by_sas_address [2021-11-20 23:48:03,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 23:48:03,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 23:48:03,088 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_on_iocstate [2021-11-20 23:48:03,088 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_on_iocstate [2021-11-20 23:48:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_cleanup_queue [2021-11-20 23:48:03,089 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_cleanup_queue [2021-11-20 23:48:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_add [2021-11-20 23:48:03,089 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_add [2021-11-20 23:48:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-11-20 23:48:03,089 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-11-20 23:48:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2021-11-20 23:48:03,089 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2021-11-20 23:48:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_iounit_pg1 [2021-11-20 23:48:03,090 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_iounit_pg1 [2021-11-20 23:48:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-20 23:48:03,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-20 23:48:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_iounit_pg0 [2021-11-20 23:48:03,090 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_iounit_pg0 [2021-11-20 23:48:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-20 23:48:03,091 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-20 23:48:03,091 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_expander_find_by_handle [2021-11-20 23:48:03,091 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_expander_find_by_handle [2021-11-20 23:48:03,091 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-11-20 23:48:03,091 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-11-20 23:48:03,091 INFO L130 BoogieDeclarations]: Found specification of procedure _base_event_notification [2021-11-20 23:48:03,091 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_event_notification [2021-11-20 23:48:03,091 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_alloc [2021-11-20 23:48:03,092 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_alloc [2021-11-20 23:48:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2021-11-20 23:48:03,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2021-11-20 23:48:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_device [2021-11-20 23:48:03,092 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_device [2021-11-20 23:48:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_sas_device_find_by_sas_address [2021-11-20 23:48:03,092 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_sas_device_find_by_sas_address [2021-11-20 23:48:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_prep_device_scan [2021-11-20 23:48:03,093 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_prep_device_scan [2021-11-20 23:48:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 23:48:03,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 23:48:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure _config_request [2021-11-20 23:48:03,093 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_request [2021-11-20 23:48:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_device_remove_by_handle [2021-11-20 23:48:03,093 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_device_remove_by_handle [2021-11-20 23:48:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-20 23:48:03,094 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-20 23:48:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2021-11-20 23:48:03,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2021-11-20 23:48:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_expanders [2021-11-20 23:48:03,094 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_expanders [2021-11-20 23:48:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex [2021-11-20 23:48:03,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex [2021-11-20 23:48:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_send_release [2021-11-20 23:48:03,095 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_send_release [2021-11-20 23:48:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2021-11-20 23:48:03,095 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2021-11-20 23:48:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:48:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_build_zero_len_sge [2021-11-20 23:48:03,095 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_build_zero_len_sge [2021-11-20 23:48:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_ready [2021-11-20 23:48:03,096 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_ready [2021-11-20 23:48:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_reset_handler [2021-11-20 23:48:03,096 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_reset_handler [2021-11-20 23:48:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-20 23:48:03,096 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-20 23:48:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 23:48:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-20 23:48:03,097 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-20 23:48:03,097 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-20 23:48:03,097 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-20 23:48:03,097 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_ioctl_main [2021-11-20 23:48:03,097 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_ioctl_main [2021-11-20 23:48:03,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 23:48:03,097 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_add_expander_phy [2021-11-20 23:48:03,097 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_add_expander_phy [2021-11-20 23:48:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_add_host_phy [2021-11-20 23:48:03,098 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_add_host_phy [2021-11-20 23:48:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure _base_disable_msix [2021-11-20 23:48:03,098 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_disable_msix [2021-11-20 23:48:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 23:48:03,098 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 23:48:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_disable_ddio [2021-11-20 23:48:03,098 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_disable_ddio [2021-11-20 23:48:03,099 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_unblock [2021-11-20 23:48:03,099 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_unblock [2021-11-20 23:48:03,099 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-20 23:48:03,099 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-20 23:48:03,099 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_remove [2021-11-20 23:48:03,099 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_remove [2021-11-20 23:48:03,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2021-11-20 23:48:03,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2021-11-20 23:48:03,100 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_is_host_device [2021-11-20 23:48:03,100 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_is_host_device [2021-11-20 23:48:03,100 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_smid_scsiio [2021-11-20 23:48:03,100 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_smid_scsiio [2021-11-20 23:48:03,100 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-20 23:48:03,100 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-20 23:48:03,100 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_config_change_event [2021-11-20 23:48:03,101 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_config_change_event [2021-11-20 23:48:03,101 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_fault_info [2021-11-20 23:48:03,101 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_fault_info [2021-11-20 23:48:03,101 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_sas_iounit_pg1 [2021-11-20 23:48:03,101 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_sas_iounit_pg1 [2021-11-20 23:48:03,101 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_add [2021-11-20 23:48:03,101 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_add [2021-11-20 23:48:03,101 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_sas_iounit_pg0 [2021-11-20 23:48:03,102 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_sas_iounit_pg0 [2021-11-20 23:48:03,102 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_set_identify [2021-11-20 23:48:03,102 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_set_identify [2021-11-20 23:48:03,102 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 23:48:03,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 23:48:03,102 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_enable_diag_buffer [2021-11-20 23:48:03,102 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_enable_diag_buffer [2021-11-20 23:48:03,102 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_set_iounit_pg1 [2021-11-20 23:48:03,103 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_set_iounit_pg1 [2021-11-20 23:48:03,103 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_hide [2021-11-20 23:48:03,103 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_hide [2021-11-20 23:48:03,103 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_update_links [2021-11-20 23:48:03,103 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_update_links [2021-11-20 23:48:03,103 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_resync [2021-11-20 23:48:03,103 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_resync [2021-11-20 23:48:03,103 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-20 23:48:03,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-20 23:48:03,104 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-20 23:48:03,104 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-20 23:48:03,104 INFO L130 BoogieDeclarations]: Found specification of procedure _base_get_msix_index [2021-11-20 23:48:03,104 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_get_msix_index [2021-11-20 23:48:03,104 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-20 23:48:03,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-20 23:48:03,105 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-20 23:48:03,105 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-20 23:48:03,105 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2021-11-20 23:48:03,105 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2021-11-20 23:48:03,105 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_discovery_event [2021-11-20 23:48:03,105 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_discovery_event [2021-11-20 23:48:03,105 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_operational [2021-11-20 23:48:03,105 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_operational [2021-11-20 23:48:03,106 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_free_resources [2021-11-20 23:48:03,106 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_free_resources [2021-11-20 23:48:03,106 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_num_volumes [2021-11-20 23:48:03,106 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_num_volumes [2021-11-20 23:48:03,106 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_port_add [2021-11-20 23:48:03,106 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_port_add [2021-11-20 23:48:03,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 23:48:03,106 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_id [2021-11-20 23:48:03,107 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_id [2021-11-20 23:48:03,107 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_boot_device [2021-11-20 23:48:03,107 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_boot_device [2021-11-20 23:48:03,107 INFO L130 BoogieDeclarations]: Found specification of procedure int_to_scsilun [2021-11-20 23:48:03,107 INFO L138 BoogieDeclarations]: Found implementation of procedure int_to_scsilun [2021-11-20 23:48:03,107 INFO L130 BoogieDeclarations]: Found specification of procedure attribute_container_find_class_device [2021-11-20 23:48:03,107 INFO L138 BoogieDeclarations]: Found implementation of procedure attribute_container_find_class_device [2021-11-20 23:48:03,108 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_sense_buffer_dma [2021-11-20 23:48:03,108 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_sense_buffer_dma [2021-11-20 23:48:03,108 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_put_smid_default [2021-11-20 23:48:03,108 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_put_smid_default [2021-11-20 23:48:03,108 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2021-11-20 23:48:03,108 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2021-11-20 23:48:03,108 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_iterate_devices [2021-11-20 23:48:03,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_iterate_devices [2021-11-20 23:48:03,109 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_broadcast_primitive_event [2021-11-20 23:48:03,109 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_broadcast_primitive_event [2021-11-20 23:48:03,109 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_smid [2021-11-20 23:48:03,109 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_smid [2021-11-20 23:48:03,109 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-20 23:48:03,109 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-20 23:48:03,109 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_free [2021-11-20 23:48:03,109 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_free [2021-11-20 23:48:03,110 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_mark_responding_raid_device [2021-11-20 23:48:03,110 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_mark_responding_raid_device [2021-11-20 23:48:03,110 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_end_device [2021-11-20 23:48:03,110 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_end_device [2021-11-20 23:48:03,110 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-20 23:48:03,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-20 23:48:03,110 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_phy_pg0 [2021-11-20 23:48:03,111 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_phy_pg0 [2021-11-20 23:48:03,111 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_halt_firmware [2021-11-20 23:48:03,111 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_halt_firmware [2021-11-20 23:48:03,111 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_remove [2021-11-20 23:48:03,111 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_remove [2021-11-20 23:48:03,111 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_msg_frame [2021-11-20 23:48:03,111 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_msg_frame [2021-11-20 23:48:03,111 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_volume_event [2021-11-20 23:48:03,112 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_volume_event [2021-11-20 23:48:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure _base_static_config_pages [2021-11-20 23:48:03,112 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_static_config_pages [2021-11-20 23:48:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 23:48:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_add_device [2021-11-20 23:48:03,112 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_add_device [2021-11-20 23:48:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-20 23:48:03,113 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-20 23:48:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_node_remove [2021-11-20 23:48:03,113 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_node_remove [2021-11-20 23:48:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_bios_pg3 [2021-11-20 23:48:03,113 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_bios_pg3 [2021-11-20 23:48:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_bios_pg2 [2021-11-20 23:48:03,113 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_bios_pg2 [2021-11-20 23:48:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure _base_mask_interrupts [2021-11-20 23:48:03,114 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_mask_interrupts [2021-11-20 23:48:03,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-20 23:48:03,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-20 23:48:03,114 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-11-20 23:48:03,114 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-11-20 23:48:03,114 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_flush_running_cmds [2021-11-20 23:48:03,114 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_flush_running_cmds [2021-11-20 23:48:03,115 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_enclosure_pg0 [2021-11-20 23:48:03,115 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_enclosure_pg0 [2021-11-20 23:48:03,115 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2021-11-20 23:48:03,115 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2021-11-20 23:48:03,115 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_sas_devices [2021-11-20 23:48:03,115 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_sas_devices [2021-11-20 23:48:03,115 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_sas_device_pg0 [2021-11-20 23:48:03,115 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_sas_device_pg0 [2021-11-20 23:48:03,116 INFO L130 BoogieDeclarations]: Found specification of procedure _base_fault_reset_work [2021-11-20 23:48:03,116 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_fault_reset_work [2021-11-20 23:48:03,116 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_find_by_handle [2021-11-20 23:48:03,116 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_find_by_handle [2021-11-20 23:48:03,116 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_add [2021-11-20 23:48:03,116 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_add [2021-11-20 23:48:03,116 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_issue_tm [2021-11-20 23:48:03,116 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_issue_tm [2021-11-20 23:48:03,117 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_delete_phy [2021-11-20 23:48:03,117 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_delete_phy [2021-11-20 23:48:03,117 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_iocstate [2021-11-20 23:48:03,117 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_iocstate [2021-11-20 23:48:03,117 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 23:48:03,117 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 23:48:03,117 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_put_smid_hi_priority [2021-11-20 23:48:03,118 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_put_smid_hi_priority [2021-11-20 23:48:03,118 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_delete [2021-11-20 23:48:03,118 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_delete [2021-11-20 23:48:03,118 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_target_destroy [2021-11-20 23:48:03,118 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_target_destroy [2021-11-20 23:48:03,118 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_pci_resume [2021-11-20 23:48:03,118 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_pci_resume [2021-11-20 23:48:03,118 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unblock_requests [2021-11-20 23:48:03,119 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unblock_requests [2021-11-20 23:48:03,119 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-20 23:48:03,119 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-20 23:48:03,119 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_raid_volume_pg0 [2021-11-20 23:48:03,119 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_raid_volume_pg0 [2021-11-20 23:48:03,119 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_raid_volume_pg1 [2021-11-20 23:48:03,119 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_raid_volume_pg1 [2021-11-20 23:48:03,119 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_put_smid_scsi_io [2021-11-20 23:48:03,120 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_put_smid_scsi_io [2021-11-20 23:48:03,120 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_clear_tm_flag [2021-11-20 23:48:03,120 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_clear_tm_flag [2021-11-20 23:48:03,120 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_add_phy [2021-11-20 23:48:03,120 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_add_phy [2021-11-20 23:48:03,120 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_phys_disk_pg0 [2021-11-20 23:48:03,120 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_phys_disk_pg0 [2021-11-20 23:48:03,121 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_ioc_pg8 [2021-11-20 23:48:03,121 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_ioc_pg8 [2021-11-20 23:48:03,121 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-20 23:48:03,121 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-20 23:48:03,121 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_sas_node_find_by_sas_address [2021-11-20 23:48:03,121 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_sas_node_find_by_sas_address [2021-11-20 23:48:03,121 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-20 23:48:03,121 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-20 23:48:03,122 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-20 23:48:03,122 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-20 23:48:03,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:48:03,122 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_add [2021-11-20 23:48:03,122 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_add [2021-11-20 23:48:03,122 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_response_code [2021-11-20 23:48:03,122 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_response_code [2021-11-20 23:48:03,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-20 23:48:03,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-20 23:48:03,123 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-20 23:48:04,650 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:48:04,655 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:48:27,543 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:48:34,752 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:48:34,753 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 23:48:34,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:48:34 BoogieIcfgContainer [2021-11-20 23:48:34,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:48:34,763 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:48:34,763 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:48:34,770 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:48:34,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:47:49" (1/3) ... [2021-11-20 23:48:34,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cf1bc1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:48:34, skipping insertion in model container [2021-11-20 23:48:34,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:48:01" (2/3) ... [2021-11-20 23:48:34,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cf1bc1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:48:34, skipping insertion in model container [2021-11-20 23:48:34,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:48:34" (3/3) ... [2021-11-20 23:48:34,774 INFO L111 eAbstractionObserver]: Analyzing ICFG main4_drivers-scsi-mpt2sas-mpt2sas-ko--32_7a--linux-3.7.3.i [2021-11-20 23:48:34,783 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:48:34,783 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:48:34,856 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:48:34,870 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 [2021-11-20 23:48:34,870 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:48:34,978 INFO L276 IsEmpty]: Start isEmpty. Operand has 3832 states, 2356 states have (on average 1.3556876061120544) internal successors, (3194), 2485 states have internal predecessors, (3194), 1228 states have call successors, (1228), 247 states have call predecessors, (1228), 247 states have return successors, (1228), 1182 states have call predecessors, (1228), 1228 states have call successors, (1228) [2021-11-20 23:48:34,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-20 23:48:34,983 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:48:34,983 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:48:34,984 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:48:34,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:48:34,992 INFO L85 PathProgramCache]: Analyzing trace with hash 475152915, now seen corresponding path program 1 times [2021-11-20 23:48:34,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:48:34,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060792413] [2021-11-20 23:48:34,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:48:35,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:48:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:48:36,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:48:36,129 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:48:36,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060792413] [2021-11-20 23:48:36,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060792413] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:48:36,131 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:48:36,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:48:36,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927170214] [2021-11-20 23:48:36,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:48:36,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:48:36,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:48:36,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:48:36,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:48:36,182 INFO L87 Difference]: Start difference. First operand has 3832 states, 2356 states have (on average 1.3556876061120544) internal successors, (3194), 2485 states have internal predecessors, (3194), 1228 states have call successors, (1228), 247 states have call predecessors, (1228), 247 states have return successors, (1228), 1182 states have call predecessors, (1228), 1228 states have call successors, (1228) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 23:48:38,575 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:48:42,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:48:42,372 INFO L93 Difference]: Finished difference Result 7675 states and 11532 transitions. [2021-11-20 23:48:42,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:48:42,374 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 18 [2021-11-20 23:48:42,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:48:42,421 INFO L225 Difference]: With dead ends: 7675 [2021-11-20 23:48:42,422 INFO L226 Difference]: Without dead ends: 3843 [2021-11-20 23:48:42,463 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 [2021-11-20 23:48:42,466 INFO L933 BasicCegarLoop]: 5062 mSDtfsCounter, 5608 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5610 SdHoareTripleChecker+Valid, 5092 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2021-11-20 23:48:42,467 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5610 Valid, 5092 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 577 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2021-11-20 23:48:42,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3843 states. [2021-11-20 23:48:42,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3843 to 3837. [2021-11-20 23:48:42,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3837 states, 2357 states have (on average 1.3521425540941876) internal successors, (3187), 2483 states have internal predecessors, (3187), 1229 states have call successors, (1229), 252 states have call predecessors, (1229), 250 states have return successors, (1218), 1171 states have call predecessors, (1218), 1218 states have call successors, (1218) [2021-11-20 23:48:42,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3837 states to 3837 states and 5634 transitions. [2021-11-20 23:48:42,804 INFO L78 Accepts]: Start accepts. Automaton has 3837 states and 5634 transitions. Word has length 18 [2021-11-20 23:48:42,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:48:42,805 INFO L470 AbstractCegarLoop]: Abstraction has 3837 states and 5634 transitions. [2021-11-20 23:48:42,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 23:48:42,805 INFO L276 IsEmpty]: Start isEmpty. Operand 3837 states and 5634 transitions. [2021-11-20 23:48:42,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-20 23:48:42,807 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:48:42,807 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:48:42,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:48:42,808 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:48:42,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:48:42,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1842631205, now seen corresponding path program 1 times [2021-11-20 23:48:42,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:48:42,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442031112] [2021-11-20 23:48:42,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:48:42,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:48:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:48:43,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:48:43,470 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:48:43,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442031112] [2021-11-20 23:48:43,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442031112] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:48:43,471 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:48:43,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:48:43,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150497683] [2021-11-20 23:48:43,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:48:43,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:48:43,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:48:43,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:48:43,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:48:43,474 INFO L87 Difference]: Start difference. First operand 3837 states and 5634 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 23:48:44,837 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:48:48,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:48:48,384 INFO L93 Difference]: Finished difference Result 3839 states and 5635 transitions. [2021-11-20 23:48:48,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:48:48,385 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 19 [2021-11-20 23:48:48,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:48:48,417 INFO L225 Difference]: With dead ends: 3839 [2021-11-20 23:48:48,417 INFO L226 Difference]: Without dead ends: 3836 [2021-11-20 23:48:48,420 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 [2021-11-20 23:48:48,422 INFO L933 BasicCegarLoop]: 5046 mSDtfsCounter, 5601 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5601 SdHoareTripleChecker+Valid, 5053 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-11-20 23:48:48,423 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5601 Valid, 5053 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-11-20 23:48:48,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3836 states. [2021-11-20 23:48:48,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3836 to 3836. [2021-11-20 23:48:48,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3836 states, 2357 states have (on average 1.3517182859567247) internal successors, (3186), 2482 states have internal predecessors, (3186), 1228 states have call successors, (1228), 252 states have call predecessors, (1228), 250 states have return successors, (1218), 1171 states have call predecessors, (1218), 1218 states have call successors, (1218) [2021-11-20 23:48:48,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3836 states to 3836 states and 5632 transitions. [2021-11-20 23:48:48,745 INFO L78 Accepts]: Start accepts. Automaton has 3836 states and 5632 transitions. Word has length 19 [2021-11-20 23:48:48,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:48:48,746 INFO L470 AbstractCegarLoop]: Abstraction has 3836 states and 5632 transitions. [2021-11-20 23:48:48,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 23:48:48,746 INFO L276 IsEmpty]: Start isEmpty. Operand 3836 states and 5632 transitions. [2021-11-20 23:48:48,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-20 23:48:48,748 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:48:48,748 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:48:48,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:48:48,748 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:48:48,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:48:48,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1284790102, now seen corresponding path program 1 times [2021-11-20 23:48:48,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:48:48,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314049344] [2021-11-20 23:48:48,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:48:48,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:48:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:48:49,349 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:48:49,350 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:48:49,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314049344] [2021-11-20 23:48:49,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314049344] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:48:49,351 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:48:49,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:48:49,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418082690] [2021-11-20 23:48:49,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:48:49,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:48:49,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:48:49,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:48:49,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:48:49,354 INFO L87 Difference]: Start difference. First operand 3836 states and 5632 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 23:48:50,830 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:48:53,644 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:48:54,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:48:54,560 INFO L93 Difference]: Finished difference Result 3838 states and 5633 transitions. [2021-11-20 23:48:54,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:48:54,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2021-11-20 23:48:54,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:48:54,599 INFO L225 Difference]: With dead ends: 3838 [2021-11-20 23:48:54,600 INFO L226 Difference]: Without dead ends: 3835 [2021-11-20 23:48:54,603 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 [2021-11-20 23:48:54,607 INFO L933 BasicCegarLoop]: 5044 mSDtfsCounter, 5598 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5598 SdHoareTripleChecker+Valid, 5051 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:48:54,610 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5598 Valid, 5051 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-11-20 23:48:54,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3835 states. [2021-11-20 23:48:54,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3835 to 3835. [2021-11-20 23:48:54,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3835 states, 2357 states have (on average 1.3512940178192618) internal successors, (3185), 2481 states have internal predecessors, (3185), 1227 states have call successors, (1227), 252 states have call predecessors, (1227), 250 states have return successors, (1218), 1171 states have call predecessors, (1218), 1218 states have call successors, (1218) [2021-11-20 23:48:54,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3835 states to 3835 states and 5630 transitions. [2021-11-20 23:48:54,872 INFO L78 Accepts]: Start accepts. Automaton has 3835 states and 5630 transitions. Word has length 20 [2021-11-20 23:48:54,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:48:54,872 INFO L470 AbstractCegarLoop]: Abstraction has 3835 states and 5630 transitions. [2021-11-20 23:48:54,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 23:48:54,873 INFO L276 IsEmpty]: Start isEmpty. Operand 3835 states and 5630 transitions. [2021-11-20 23:48:54,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-20 23:48:54,875 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:48:54,875 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:48:54,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 23:48:54,875 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:48:54,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:48:54,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1171589960, now seen corresponding path program 1 times [2021-11-20 23:48:54,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:48:54,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472723211] [2021-11-20 23:48:54,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:48:54,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:48:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:48:55,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:48:55,441 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:48:55,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472723211] [2021-11-20 23:48:55,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472723211] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:48:55,441 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:48:55,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:48:55,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687716512] [2021-11-20 23:48:55,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:48:55,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:48:55,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:48:55,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:48:55,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:48:55,446 INFO L87 Difference]: Start difference. First operand 3835 states and 5630 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 23:48:57,273 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:49:03,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:49:03,972 INFO L93 Difference]: Finished difference Result 10281 states and 15438 transitions. [2021-11-20 23:49:03,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:49:03,973 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 21 [2021-11-20 23:49:03,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:49:04,052 INFO L225 Difference]: With dead ends: 10281 [2021-11-20 23:49:04,052 INFO L226 Difference]: Without dead ends: 6456 [2021-11-20 23:49:04,099 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 [2021-11-20 23:49:04,100 INFO L933 BasicCegarLoop]: 6119 mSDtfsCounter, 5345 mSDsluCounter, 4125 mSDsCounter, 0 mSdLazyCounter, 1077 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5345 SdHoareTripleChecker+Valid, 9788 SdHoareTripleChecker+Invalid, 1085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:49:04,101 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5345 Valid, 9788 Invalid, 1085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1077 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2021-11-20 23:49:04,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6456 states. [2021-11-20 23:49:04,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6456 to 6446. [2021-11-20 23:49:04,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6446 states, 3969 states have (on average 1.3532375913328294) internal successors, (5371), 4209 states have internal predecessors, (5371), 2045 states have call successors, (2045), 457 states have call predecessors, (2045), 431 states have return successors, (2096), 1905 states have call predecessors, (2096), 2029 states have call successors, (2096) [2021-11-20 23:49:04,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6446 states to 6446 states and 9512 transitions. [2021-11-20 23:49:04,661 INFO L78 Accepts]: Start accepts. Automaton has 6446 states and 9512 transitions. Word has length 21 [2021-11-20 23:49:04,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:49:04,662 INFO L470 AbstractCegarLoop]: Abstraction has 6446 states and 9512 transitions. [2021-11-20 23:49:04,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 23:49:04,662 INFO L276 IsEmpty]: Start isEmpty. Operand 6446 states and 9512 transitions. [2021-11-20 23:49:04,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-20 23:49:04,663 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:49:04,664 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:49:04,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 23:49:04,664 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:49:04,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:49:04,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1957357721, now seen corresponding path program 1 times [2021-11-20 23:49:04,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:49:04,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542624137] [2021-11-20 23:49:04,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:49:04,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:49:04,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:49:05,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:49:05,217 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:49:05,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542624137] [2021-11-20 23:49:05,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542624137] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:49:05,218 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:49:05,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:49:05,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188149971] [2021-11-20 23:49:05,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:49:05,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:49:05,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:49:05,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:49:05,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:49:05,220 INFO L87 Difference]: Start difference. First operand 6446 states and 9512 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 23:49:09,083 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:49:16,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:49:16,097 INFO L93 Difference]: Finished difference Result 19275 states and 29705 transitions. [2021-11-20 23:49:16,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:49:16,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2021-11-20 23:49:16,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:49:16,207 INFO L225 Difference]: With dead ends: 19275 [2021-11-20 23:49:16,207 INFO L226 Difference]: Without dead ends: 12833 [2021-11-20 23:49:16,273 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 [2021-11-20 23:49:16,275 INFO L933 BasicCegarLoop]: 8992 mSDtfsCounter, 5766 mSDsluCounter, 5793 mSDsCounter, 0 mSdLazyCounter, 1510 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5766 SdHoareTripleChecker+Valid, 14221 SdHoareTripleChecker+Invalid, 1514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:49:16,275 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5766 Valid, 14221 Invalid, 1514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1510 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2021-11-20 23:49:16,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12833 states. [2021-11-20 23:49:17,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12833 to 12775. [2021-11-20 23:49:17,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12775 states, 7861 states have (on average 1.3551710978247042) internal successors, (10653), 8342 states have internal predecessors, (10653), 4057 states have call successors, (4057), 906 states have call predecessors, (4057), 856 states have return successors, (4776), 3776 states have call predecessors, (4776), 4040 states have call successors, (4776) [2021-11-20 23:49:17,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12775 states to 12775 states and 19486 transitions. [2021-11-20 23:49:17,193 INFO L78 Accepts]: Start accepts. Automaton has 12775 states and 19486 transitions. Word has length 22 [2021-11-20 23:49:17,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:49:17,194 INFO L470 AbstractCegarLoop]: Abstraction has 12775 states and 19486 transitions. [2021-11-20 23:49:17,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 23:49:17,194 INFO L276 IsEmpty]: Start isEmpty. Operand 12775 states and 19486 transitions. [2021-11-20 23:49:17,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-20 23:49:17,206 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:49:17,206 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 23:49:17,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 23:49:17,207 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:49:17,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:49:17,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1100180810, now seen corresponding path program 1 times [2021-11-20 23:49:17,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:49:17,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013151708] [2021-11-20 23:49:17,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:49:17,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:49:17,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:49:17,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:49:17,944 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:49:17,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013151708] [2021-11-20 23:49:17,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013151708] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:49:17,944 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:49:17,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:49:17,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777606726] [2021-11-20 23:49:17,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:49:17,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:49:17,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:49:17,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:49:17,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:49:17,947 INFO L87 Difference]: Start difference. First operand 12775 states and 19486 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2021-11-20 23:49:20,433 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:49:24,636 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:49:28,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:49:28,940 INFO L93 Difference]: Finished difference Result 25556 states and 39009 transitions. [2021-11-20 23:49:28,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:49:28,940 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 54 [2021-11-20 23:49:28,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:49:29,025 INFO L225 Difference]: With dead ends: 25556 [2021-11-20 23:49:29,026 INFO L226 Difference]: Without dead ends: 12791 [2021-11-20 23:49:29,110 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:49:29,111 INFO L933 BasicCegarLoop]: 5047 mSDtfsCounter, 2 mSDsluCounter, 11222 mSDsCounter, 0 mSdLazyCounter, 1705 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 15138 SdHoareTripleChecker+Invalid, 1707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1705 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2021-11-20 23:49:29,111 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 15138 Invalid, 1707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1705 Invalid, 1 Unknown, 0 Unchecked, 10.4s Time] [2021-11-20 23:49:29,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12791 states. [2021-11-20 23:49:30,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12791 to 12791. [2021-11-20 23:49:30,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12791 states, 7873 states have (on average 1.3546297472373936) internal successors, (10665), 8358 states have internal predecessors, (10665), 4057 states have call successors, (4057), 906 states have call predecessors, (4057), 860 states have return successors, (4784), 3776 states have call predecessors, (4784), 4040 states have call successors, (4784) [2021-11-20 23:49:30,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12791 states to 12791 states and 19506 transitions. [2021-11-20 23:49:30,172 INFO L78 Accepts]: Start accepts. Automaton has 12791 states and 19506 transitions. Word has length 54 [2021-11-20 23:49:30,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:49:30,175 INFO L470 AbstractCegarLoop]: Abstraction has 12791 states and 19506 transitions. [2021-11-20 23:49:30,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2021-11-20 23:49:30,175 INFO L276 IsEmpty]: Start isEmpty. Operand 12791 states and 19506 transitions. [2021-11-20 23:49:30,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-20 23:49:30,179 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:49:30,180 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 23:49:30,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 23:49:30,180 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:49:30,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:49:30,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1854284078, now seen corresponding path program 1 times [2021-11-20 23:49:30,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:49:30,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126389154] [2021-11-20 23:49:30,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:49:30,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms