./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--mpt2sas--mpt2sas.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f16a18-abf8-4cd5-935e-ba5ce3bbf6f3/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f16a18-abf8-4cd5-935e-ba5ce3bbf6f3/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f16a18-abf8-4cd5-935e-ba5ce3bbf6f3/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f16a18-abf8-4cd5-935e-ba5ce3bbf6f3/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--mpt2sas--mpt2sas.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f16a18-abf8-4cd5-935e-ba5ce3bbf6f3/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f16a18-abf8-4cd5-935e-ba5ce3bbf6f3/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5c16cf8fa2e0f32ab758649443033c46fe6b3528506b9f85f83932763bcf4405 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:27:06,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:27:06,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:27:06,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:27:06,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:27:06,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:27:06,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:27:06,283 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:27:06,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:27:06,294 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:27:06,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:27:06,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:27:06,297 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:27:06,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:27:06,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:27:06,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:27:06,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:27:06,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:27:06,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:27:06,319 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:27:06,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:27:06,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:27:06,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:27:06,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:27:06,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:27:06,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:27:06,337 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:27:06,339 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:27:06,339 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:27:06,341 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:27:06,341 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:27:06,342 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:27:06,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:27:06,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:27:06,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:27:06,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:27:06,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:27:06,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:27:06,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:27:06,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:27:06,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:27:06,353 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f16a18-abf8-4cd5-935e-ba5ce3bbf6f3/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 18:27:06,407 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:27:06,408 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:27:06,409 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:27:06,409 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:27:06,410 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:27:06,411 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:27:06,411 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:27:06,411 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:27:06,411 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:27:06,412 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:27:06,413 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:27:06,413 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:27:06,414 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:27:06,414 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:27:06,414 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:27:06,415 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:27:06,415 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:27:06,415 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:27:06,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:27:06,416 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:27:06,417 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:27:06,417 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:27:06,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:27:06,418 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:27:06,418 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:27:06,418 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:27:06,420 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:27:06,420 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:27:06,421 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:27:06,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:27:06,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:27:06,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:27:06,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:27:06,422 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:27:06,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:27:06,423 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:27:06,423 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:27:06,423 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:27:06,424 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_91f16a18-abf8-4cd5-935e-ba5ce3bbf6f3/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f16a18-abf8-4cd5-935e-ba5ce3bbf6f3/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c16cf8fa2e0f32ab758649443033c46fe6b3528506b9f85f83932763bcf4405 [2021-11-25 18:27:06,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:27:06,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:27:06,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:27:06,762 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:27:06,763 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:27:06,764 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f16a18-abf8-4cd5-935e-ba5ce3bbf6f3/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--mpt2sas--mpt2sas.ko-entry_point.cil.out.i [2021-11-25 18:27:06,839 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f16a18-abf8-4cd5-935e-ba5ce3bbf6f3/bin/utaipan-eEHZpOm5b7/data/c83e3100a/117cbe81283f4d59baeac113e5a5a485/FLAG15357a524 [2021-11-25 18:27:08,335 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:27:08,335 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f16a18-abf8-4cd5-935e-ba5ce3bbf6f3/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--mpt2sas--mpt2sas.ko-entry_point.cil.out.i [2021-11-25 18:27:08,457 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f16a18-abf8-4cd5-935e-ba5ce3bbf6f3/bin/utaipan-eEHZpOm5b7/data/c83e3100a/117cbe81283f4d59baeac113e5a5a485/FLAG15357a524 [2021-11-25 18:27:08,747 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f16a18-abf8-4cd5-935e-ba5ce3bbf6f3/bin/utaipan-eEHZpOm5b7/data/c83e3100a/117cbe81283f4d59baeac113e5a5a485 [2021-11-25 18:27:08,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:27:08,754 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:27:08,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:27:08,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:27:08,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:27:08,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:27:08" (1/1) ... [2021-11-25 18:27:08,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ec566cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:27:08, skipping insertion in model container [2021-11-25 18:27:08,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:27:08" (1/1) ... [2021-11-25 18:27:08,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:27:09,220 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:27:22,591 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_91f16a18-abf8-4cd5-935e-ba5ce3bbf6f3/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--mpt2sas--mpt2sas.ko-entry_point.cil.out.i[988685,988698] [2021-11-25 18:27:22,773 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:27:22,824 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:27:23,993 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_91f16a18-abf8-4cd5-935e-ba5ce3bbf6f3/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--mpt2sas--mpt2sas.ko-entry_point.cil.out.i[988685,988698] [2021-11-25 18:27:24,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:27:24,504 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:27:24,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:27:24 WrapperNode [2021-11-25 18:27:24,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:27:24,543 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:27:24,543 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:27:24,543 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:27:24,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:27:24" (1/1) ... [2021-11-25 18:27:24,878 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:27:24" (1/1) ... [2021-11-25 18:27:25,602 INFO L137 Inliner]: procedures = 808, calls = 11745, calls flagged for inlining = 364, calls inlined = 322, statements flattened = 23600 [2021-11-25 18:27:25,603 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:27:25,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:27:25,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:27:25,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:27:25,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:27:24" (1/1) ... [2021-11-25 18:27:25,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:27:24" (1/1) ... [2021-11-25 18:27:25,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:27:24" (1/1) ... [2021-11-25 18:27:25,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:27:24" (1/1) ... [2021-11-25 18:27:26,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:27:24" (1/1) ... [2021-11-25 18:27:27,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:27:24" (1/1) ... [2021-11-25 18:27:27,281 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:27:24" (1/1) ... [2021-11-25 18:27:27,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:27:27,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:27:27,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:27:27,726 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:27:27,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:27:24" (1/1) ... [2021-11-25 18:27:27,736 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:27:27,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f16a18-abf8-4cd5-935e-ba5ce3bbf6f3/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:27:27,767 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f16a18-abf8-4cd5-935e-ba5ce3bbf6f3/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:27:27,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f16a18-abf8-4cd5-935e-ba5ce3bbf6f3/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:27:27,818 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_expander_remove [2021-11-25 18:27:27,818 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_expander_remove [2021-11-25 18:27:27,818 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_state [2021-11-25 18:27:27,819 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_state [2021-11-25 18:27:27,819 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_init_warpdrive_properties [2021-11-25 18:27:27,819 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_init_warpdrive_properties [2021-11-25 18:27:27,819 INFO L130 BoogieDeclarations]: Found specification of procedure _base_handshake_req_reply_wait [2021-11-25 18:27:27,819 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_handshake_req_reply_wait [2021-11-25 18:27:27,820 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-11-25 18:27:27,820 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-11-25 18:27:27,820 INFO L130 BoogieDeclarations]: Found specification of procedure _base_writeq [2021-11-25 18:27:27,820 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_writeq [2021-11-25 18:27:27,820 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_topology_change_event [2021-11-25 18:27:27,821 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_topology_change_event [2021-11-25 18:27:27,821 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_free [2021-11-25 18:27:27,821 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_free [2021-11-25 18:27:27,821 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-25 18:27:27,821 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-25 18:27:27,822 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-25 18:27:27,822 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-25 18:27:27,822 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2021-11-25 18:27:27,822 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2021-11-25 18:27:27,823 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_do_mpt_command [2021-11-25 18:27:27,823 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_do_mpt_command [2021-11-25 18:27:27,823 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_add [2021-11-25 18:27:27,823 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_add [2021-11-25 18:27:27,823 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_number_pds [2021-11-25 18:27:27,824 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_number_pds [2021-11-25 18:27:27,824 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_update_missing_delay [2021-11-25 18:27:27,824 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_update_missing_delay [2021-11-25 18:27:27,824 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_start [2021-11-25 18:27:27,824 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_start [2021-11-25 18:27:27,825 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-25 18:27:27,825 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-25 18:27:27,825 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_add [2021-11-25 18:27:27,825 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_add [2021-11-25 18:27:27,825 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_slave_destroy [2021-11-25 18:27:27,826 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_slave_destroy [2021-11-25 18:27:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_device [2021-11-25 18:27:27,826 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_device [2021-11-25 18:27:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-25 18:27:27,826 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-25 18:27:27,827 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2021-11-25 18:27:27,827 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2021-11-25 18:27:27,827 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ir_shutdown [2021-11-25 18:27:27,827 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ir_shutdown [2021-11-25 18:27:27,828 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-25 18:27:27,828 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-25 18:27:27,828 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-25 18:27:27,828 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-25 18:27:27,828 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-25 18:27:27,829 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-25 18:27:27,829 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_phy_reset [2021-11-25 18:27:27,829 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_phy_reset [2021-11-25 18:27:27,829 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_add [2021-11-25 18:27:27,829 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_add [2021-11-25 18:27:27,830 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove_device [2021-11-25 18:27:27,830 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove_device [2021-11-25 18:27:27,830 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_volume_wwid [2021-11-25 18:27:27,830 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_volume_wwid [2021-11-25 18:27:27,830 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host_with_dma [2021-11-25 18:27:27,831 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host_with_dma [2021-11-25 18:27:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_target [2021-11-25 18:27:27,831 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_target [2021-11-25 18:27:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure _base_unmask_events [2021-11-25 18:27:27,832 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_unmask_events [2021-11-25 18:27:27,832 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-25 18:27:27,832 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-25 18:27:27,832 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_shutdown [2021-11-25 18:27:27,832 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_shutdown [2021-11-25 18:27:27,833 INFO L130 BoogieDeclarations]: Found specification of procedure _base_free_irq [2021-11-25 18:27:27,833 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_free_irq [2021-11-25 18:27:27,833 INFO L130 BoogieDeclarations]: Found specification of procedure raid_class_release [2021-11-25 18:27:27,833 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_class_release [2021-11-25 18:27:27,833 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-25 18:27:27,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-25 18:27:27,834 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_release_callback_handler [2021-11-25 18:27:27,834 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_release_callback_handler [2021-11-25 18:27:27,834 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_display_some_debug [2021-11-25 18:27:27,834 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_display_some_debug [2021-11-25 18:27:27,835 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 18:27:27,835 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 18:27:27,835 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_pci_slot_reset [2021-11-25 18:27:27,835 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_pci_slot_reset [2021-11-25 18:27:27,835 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_probe_raid [2021-11-25 18:27:27,836 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_probe_raid [2021-11-25 18:27:27,836 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_ack [2021-11-25 18:27:27,836 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_ack [2021-11-25 18:27:27,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:27:27,836 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_manufacturing_pg0 [2021-11-25 18:27:27,837 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_manufacturing_pg0 [2021-11-25 18:27:27,837 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_device [2021-11-25 18:27:27,837 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_device [2021-11-25 18:27:27,837 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_detach [2021-11-25 18:27:27,837 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_detach [2021-11-25 18:27:27,838 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_manufacturing_pg10 [2021-11-25 18:27:27,838 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_manufacturing_pg10 [2021-11-25 18:27:27,838 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-11-25 18:27:27,838 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-11-25 18:27:27,838 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scsi_lookup_get_clear [2021-11-25 18:27:27,839 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scsi_lookup_get_clear [2021-11-25 18:27:27,839 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-25 18:27:27,839 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-25 18:27:27,839 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_capability [2021-11-25 18:27:27,839 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_capability [2021-11-25 18:27:27,840 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf [2021-11-25 18:27:27,840 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf [2021-11-25 18:27:27,840 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-25 18:27:27,840 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-25 18:27:27,840 INFO L130 BoogieDeclarations]: Found specification of procedure sas_is_tlr_enabled [2021-11-25 18:27:27,841 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_is_tlr_enabled [2021-11-25 18:27:27,841 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-25 18:27:27,841 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-25 18:27:27,841 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-25 18:27:27,842 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-25 18:27:27,842 INFO L130 BoogieDeclarations]: Found specification of procedure _firmware_event_work [2021-11-25 18:27:27,842 INFO L138 BoogieDeclarations]: Found implementation of procedure _firmware_event_work [2021-11-25 18:27:27,842 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-11-25 18:27:27,842 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-11-25 18:27:27,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_30 [2021-11-25 18:27:27,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_30 [2021-11-25 18:27:27,843 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2021-11-25 18:27:27,843 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2021-11-25 18:27:27,843 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_target [2021-11-25 18:27:27,844 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_target [2021-11-25 18:27:27,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-25 18:27:27,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-25 18:27:27,844 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-11-25 18:27:27,844 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-11-25 18:27:27,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:27:27,845 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_convert_phy_link_rate [2021-11-25 18:27:27,845 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_convert_phy_link_rate [2021-11-25 18:27:27,845 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-25 18:27:27,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-25 18:27:27,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:27:27,846 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-25 18:27:27,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-25 18:27:27,846 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_sas_address [2021-11-25 18:27:27,846 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_sas_address [2021-11-25 18:27:27,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:27:27,847 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_sanity_check [2021-11-25 18:27:27,847 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_sanity_check [2021-11-25 18:27:27,847 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 18:27:27,847 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-11-25 18:27:27,847 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-11-25 18:27:27,848 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_refresh [2021-11-25 18:27:27,848 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_refresh [2021-11-25 18:27:27,848 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_wwid [2021-11-25 18:27:27,848 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_wwid [2021-11-25 18:27:27,848 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_scsi_enclosure_processor [2021-11-25 18:27:27,849 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_scsi_enclosure_processor [2021-11-25 18:27:27,849 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_int [2021-11-25 18:27:27,849 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_int [2021-11-25 18:27:27,849 INFO L130 BoogieDeclarations]: Found specification of procedure param_set_int [2021-11-25 18:27:27,849 INFO L138 BoogieDeclarations]: Found implementation of procedure param_set_int [2021-11-25 18:27:27,849 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-25 18:27:27,850 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-25 18:27:27,850 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_bytes [2021-11-25 18:27:27,850 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_bytes [2021-11-25 18:27:27,850 INFO L130 BoogieDeclarations]: Found specification of procedure sas_release_transport [2021-11-25 18:27:27,850 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_release_transport [2021-11-25 18:27:27,851 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_access_status [2021-11-25 18:27:27,851 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_access_status [2021-11-25 18:27:27,851 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_volume_handle [2021-11-25 18:27:27,851 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_volume_handle [2021-11-25 18:27:27,851 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_expander_pg0 [2021-11-25 18:27:27,852 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_expander_pg0 [2021-11-25 18:27:27,852 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_expander_pg1 [2021-11-25 18:27:27,852 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_expander_pg1 [2021-11-25 18:27:27,852 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_smid_hpr [2021-11-25 18:27:27,852 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_smid_hpr [2021-11-25 18:27:27,853 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_handle [2021-11-25 18:27:27,853 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_handle [2021-11-25 18:27:27,853 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_device_remove_by_sas_address [2021-11-25 18:27:27,853 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_device_remove_by_sas_address [2021-11-25 18:27:27,853 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-11-25 18:27:27,853 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-11-25 18:27:27,854 INFO L130 BoogieDeclarations]: Found specification of procedure _base_reset_handler [2021-11-25 18:27:27,854 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_reset_handler [2021-11-25 18:27:27,854 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_hard_reset_handler [2021-11-25 18:27:27,854 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_hard_reset_handler [2021-11-25 18:27:27,854 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-25 18:27:27,855 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-25 18:27:27,855 INFO L130 BoogieDeclarations]: Found specification of procedure bio_data [2021-11-25 18:27:27,855 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_data [2021-11-25 18:27:27,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:27:27,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:27:27,856 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_port_remove [2021-11-25 18:27:27,856 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_port_remove [2021-11-25 18:27:27,856 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-25 18:27:27,856 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-25 18:27:27,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_12 [2021-11-25 18:27:27,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_12 [2021-11-25 18:27:27,857 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_register_2 [2021-11-25 18:27:27,857 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_register_2 [2021-11-25 18:27:27,857 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_number_hba_phys [2021-11-25 18:27:27,857 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_number_hba_phys [2021-11-25 18:27:27,857 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-25 18:27:27,858 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-25 18:27:27,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 18:27:27,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_32 [2021-11-25 18:27:27,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_32 [2021-11-25 18:27:27,858 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-11-25 18:27:27,859 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-11-25 18:27:27,859 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_delete_port [2021-11-25 18:27:27,859 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_delete_port [2021-11-25 18:27:27,859 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-25 18:27:27,859 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-25 18:27:27,859 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-25 18:27:27,860 INFO L130 BoogieDeclarations]: Found specification of procedure _base_release_memory_pools [2021-11-25 18:27:27,860 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_release_memory_pools [2021-11-25 18:27:27,860 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___1 [2021-11-25 18:27:27,860 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___1 [2021-11-25 18:27:27,860 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___0 [2021-11-25 18:27:27,861 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___0 [2021-11-25 18:27:27,861 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___3 [2021-11-25 18:27:27,861 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___3 [2021-11-25 18:27:27,861 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_start_watchdog [2021-11-25 18:27:27,861 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_start_watchdog [2021-11-25 18:27:27,861 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_add [2021-11-25 18:27:27,862 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_add [2021-11-25 18:27:27,862 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-11-25 18:27:27,862 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-11-25 18:27:27,862 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-11-25 18:27:27,862 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-11-25 18:27:27,863 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_resume [2021-11-25 18:27:27,863 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_resume [2021-11-25 18:27:27,863 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_chain_buffer_tracker [2021-11-25 18:27:27,863 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_chain_buffer_tracker [2021-11-25 18:27:27,863 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-25 18:27:27,863 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-25 18:27:27,864 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_register_callback_handler [2021-11-25 18:27:27,864 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_register_callback_handler [2021-11-25 18:27:27,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-25 18:27:27,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-25 18:27:27,864 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-11-25 18:27:27,864 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-11-25 18:27:27,865 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-25 18:27:27,865 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-25 18:27:27,865 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_all_device [2021-11-25 18:27:27,865 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_all_device [2021-11-25 18:27:27,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:27:27,866 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:27:27,866 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-25 18:27:27,866 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-25 18:27:27,866 INFO L130 BoogieDeclarations]: Found specification of procedure rphy_to_ioc [2021-11-25 18:27:27,866 INFO L138 BoogieDeclarations]: Found implementation of procedure rphy_to_ioc [2021-11-25 18:27:27,866 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_determine_boot_device [2021-11-25 18:27:27,867 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_determine_boot_device [2021-11-25 18:27:27,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:27:27,867 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-25 18:27:27,867 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-25 18:27:27,867 INFO L130 BoogieDeclarations]: Found specification of procedure _config_display_some_debug [2021-11-25 18:27:27,868 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_display_some_debug [2021-11-25 18:27:27,868 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_stop_watchdog [2021-11-25 18:27:27,868 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_stop_watchdog [2021-11-25 18:27:27,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:27:27,868 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_physical_disk_event [2021-11-25 18:27:27,868 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_physical_disk_event [2021-11-25 18:27:27,869 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-11-25 18:27:27,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-11-25 18:27:27,869 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2021-11-25 18:27:27,869 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2021-11-25 18:27:27,869 INFO L130 BoogieDeclarations]: Found specification of procedure starget_for_each_device [2021-11-25 18:27:27,869 INFO L138 BoogieDeclarations]: Found implementation of procedure starget_for_each_device [2021-11-25 18:27:27,870 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_2 [2021-11-25 18:27:27,870 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_2 [2021-11-25 18:27:27,870 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-11-25 18:27:27,870 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-25 18:27:27,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-25 18:27:27,870 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-25 18:27:27,871 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-25 18:27:27,871 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-25 18:27:27,871 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-25 18:27:27,871 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_raid_devices [2021-11-25 18:27:27,871 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_raid_devices [2021-11-25 18:27:27,871 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove [2021-11-25 18:27:27,872 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove [2021-11-25 18:27:27,872 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_for_devices_after_reset [2021-11-25 18:27:27,872 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_for_devices_after_reset [2021-11-25 18:27:27,872 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-25 18:27:27,872 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-25 18:27:27,872 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_expander_report_manufacture [2021-11-25 18:27:27,873 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_expander_report_manufacture [2021-11-25 18:27:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost___0 [2021-11-25 18:27:27,873 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost___0 [2021-11-25 18:27:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2021-11-25 18:27:27,873 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2021-11-25 18:27:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_set_tm_flag [2021-11-25 18:27:27,874 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_set_tm_flag [2021-11-25 18:27:27,874 INFO L130 BoogieDeclarations]: Found specification of procedure _base_is_controller_msix_enabled [2021-11-25 18:27:27,874 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_is_controller_msix_enabled [2021-11-25 18:27:27,874 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-25 18:27:27,874 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-25 18:27:27,874 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-25 18:27:27,875 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-25 18:27:27,875 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-25 18:27:27,875 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-25 18:27:27,875 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_block [2021-11-25 18:27:27,875 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_block [2021-11-25 18:27:27,875 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_free_smid [2021-11-25 18:27:27,875 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_free_smid [2021-11-25 18:27:27,876 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2021-11-25 18:27:27,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2021-11-25 18:27:27,876 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_change_queue_depth [2021-11-25 18:27:27,876 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_change_queue_depth [2021-11-25 18:27:27,876 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_refresh_expander_links [2021-11-25 18:27:27,876 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_refresh_expander_links [2021-11-25 18:27:27,877 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-11-25 18:27:27,877 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-11-25 18:27:27,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:27:27,877 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_expander_find_by_sas_address [2021-11-25 18:27:27,877 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_expander_find_by_sas_address [2021-11-25 18:27:27,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 18:27:27,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 18:27:27,878 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_on_iocstate [2021-11-25 18:27:27,878 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_on_iocstate [2021-11-25 18:27:27,878 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_affinity_hint [2021-11-25 18:27:27,878 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_affinity_hint [2021-11-25 18:27:27,878 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_cleanup_queue [2021-11-25 18:27:27,878 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_cleanup_queue [2021-11-25 18:27:27,879 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_add [2021-11-25 18:27:27,879 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_add [2021-11-25 18:27:27,879 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-11-25 18:27:27,879 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-11-25 18:27:27,879 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2021-11-25 18:27:27,879 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2021-11-25 18:27:27,880 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_iounit_pg1 [2021-11-25 18:27:27,880 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_iounit_pg1 [2021-11-25 18:27:27,880 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_iounit_pg8 [2021-11-25 18:27:27,880 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_iounit_pg8 [2021-11-25 18:27:27,880 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-25 18:27:27,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-25 18:27:27,880 INFO L130 BoogieDeclarations]: Found specification of procedure phy_to_ioc [2021-11-25 18:27:27,881 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_to_ioc [2021-11-25 18:27:27,881 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2021-11-25 18:27:27,881 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2021-11-25 18:27:27,881 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_delete [2021-11-25 18:27:27,881 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_delete [2021-11-25 18:27:27,881 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_iounit_pg0 [2021-11-25 18:27:27,882 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_iounit_pg0 [2021-11-25 18:27:27,882 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-25 18:27:27,882 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-25 18:27:27,882 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-25 18:27:27,882 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-25 18:27:27,882 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_expander_find_by_handle [2021-11-25 18:27:27,882 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_expander_find_by_handle [2021-11-25 18:27:27,883 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove_unresponding_sas_devices [2021-11-25 18:27:27,883 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove_unresponding_sas_devices [2021-11-25 18:27:27,883 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-11-25 18:27:27,883 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-11-25 18:27:27,883 INFO L130 BoogieDeclarations]: Found specification of procedure _base_event_notification [2021-11-25 18:27:27,883 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_event_notification [2021-11-25 18:27:27,884 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_alloc [2021-11-25 18:27:27,884 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_alloc [2021-11-25 18:27:27,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 18:27:27,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 18:27:27,884 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2021-11-25 18:27:27,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2021-11-25 18:27:27,884 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_device [2021-11-25 18:27:27,885 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_device [2021-11-25 18:27:27,885 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_sas_device_find_by_sas_address [2021-11-25 18:27:27,885 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_sas_device_find_by_sas_address [2021-11-25 18:27:27,885 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_prep_device_scan [2021-11-25 18:27:27,885 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_prep_device_scan [2021-11-25 18:27:27,885 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-25 18:27:27,886 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-25 18:27:27,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 18:27:27,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 18:27:27,886 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_turn_on_pfa_led [2021-11-25 18:27:27,886 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_turn_on_pfa_led [2021-11-25 18:27:27,886 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_probe_sas [2021-11-25 18:27:27,886 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_probe_sas [2021-11-25 18:27:27,887 INFO L130 BoogieDeclarations]: Found specification of procedure _config_request [2021-11-25 18:27:27,887 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_request [2021-11-25 18:27:27,887 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2021-11-25 18:27:27,887 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2021-11-25 18:27:27,887 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_device_remove_by_handle [2021-11-25 18:27:27,887 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_device_remove_by_handle [2021-11-25 18:27:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-25 18:27:27,888 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-25 18:27:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure _base_request_irq [2021-11-25 18:27:27,888 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_request_irq [2021-11-25 18:27:27,888 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2021-11-25 18:27:27,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2021-11-25 18:27:27,889 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_pci_error_detected [2021-11-25 18:27:27,889 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_pci_error_detected [2021-11-25 18:27:27,889 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_expanders [2021-11-25 18:27:27,889 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_expanders [2021-11-25 18:27:27,889 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_send_release [2021-11-25 18:27:27,889 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_send_release [2021-11-25 18:27:27,889 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scsi_direct_io_set [2021-11-25 18:27:27,890 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scsi_direct_io_set [2021-11-25 18:27:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 18:27:27,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 18:27:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2021-11-25 18:27:27,890 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2021-11-25 18:27:27,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:27:27,891 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_build_zero_len_sge [2021-11-25 18:27:27,891 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_build_zero_len_sge [2021-11-25 18:27:27,891 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_ready [2021-11-25 18:27:27,891 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_ready [2021-11-25 18:27:27,891 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_reset_handler [2021-11-25 18:27:27,891 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_reset_handler [2021-11-25 18:27:27,891 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-11-25 18:27:27,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-11-25 18:27:27,892 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-25 18:27:27,892 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-25 18:27:27,892 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-25 18:27:27,892 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-25 18:27:27,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 18:27:27,893 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-25 18:27:27,893 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-25 18:27:27,893 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-25 18:27:27,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-25 18:27:27,893 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_ioctl_main [2021-11-25 18:27:27,893 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_ioctl_main [2021-11-25 18:27:27,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 18:27:27,894 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_add_expander_phy [2021-11-25 18:27:27,894 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_add_expander_phy [2021-11-25 18:27:27,894 INFO L130 BoogieDeclarations]: Found specification of procedure bio_advance_iter [2021-11-25 18:27:27,894 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_advance_iter [2021-11-25 18:27:27,894 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_add_host_phy [2021-11-25 18:27:27,894 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_add_host_phy [2021-11-25 18:27:27,894 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-25 18:27:27,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-25 18:27:27,895 INFO L130 BoogieDeclarations]: Found specification of procedure _base_disable_msix [2021-11-25 18:27:27,895 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_disable_msix [2021-11-25 18:27:27,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 18:27:27,895 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 18:27:27,895 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_disable_ddio [2021-11-25 18:27:27,895 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_disable_ddio [2021-11-25 18:27:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_requests [2021-11-25 18:27:27,896 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_requests [2021-11-25 18:27:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_unblock [2021-11-25 18:27:27,896 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_unblock [2021-11-25 18:27:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-25 18:27:27,896 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-25 18:27:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_remove [2021-11-25 18:27:27,897 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_remove [2021-11-25 18:27:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_is_host_device [2021-11-25 18:27:27,897 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_is_host_device [2021-11-25 18:27:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_smid_scsiio [2021-11-25 18:27:27,897 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_smid_scsiio [2021-11-25 18:27:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_set_sas_iounit_pg1 [2021-11-25 18:27:27,897 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_set_sas_iounit_pg1 [2021-11-25 18:27:27,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_31 [2021-11-25 18:27:27,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_31 [2021-11-25 18:27:27,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_13 [2021-11-25 18:27:27,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_13 [2021-11-25 18:27:27,898 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2021-11-25 18:27:27,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2021-11-25 18:27:27,898 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-25 18:27:27,899 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-25 18:27:27,899 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_config_change_event [2021-11-25 18:27:27,899 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_config_change_event [2021-11-25 18:27:27,899 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_fault_info [2021-11-25 18:27:27,899 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_fault_info [2021-11-25 18:27:27,899 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_sas_iounit_pg1 [2021-11-25 18:27:27,899 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_sas_iounit_pg1 [2021-11-25 18:27:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_add [2021-11-25 18:27:27,900 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_add [2021-11-25 18:27:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_sas_iounit_pg0 [2021-11-25 18:27:27,900 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_sas_iounit_pg0 [2021-11-25 18:27:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_set_identify [2021-11-25 18:27:27,900 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_set_identify [2021-11-25 18:27:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 18:27:27,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 18:27:27,901 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_enable_diag_buffer [2021-11-25 18:27:27,901 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_enable_diag_buffer [2021-11-25 18:27:27,901 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_set_iounit_pg1 [2021-11-25 18:27:27,901 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_set_iounit_pg1 [2021-11-25 18:27:27,901 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_hide [2021-11-25 18:27:27,901 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_hide [2021-11-25 18:27:27,902 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_update_links [2021-11-25 18:27:27,902 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_update_links [2021-11-25 18:27:27,902 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_resync [2021-11-25 18:27:27,902 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_resync [2021-11-25 18:27:27,902 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-25 18:27:27,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-25 18:27:27,902 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-25 18:27:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-25 18:27:27,903 INFO L130 BoogieDeclarations]: Found specification of procedure _base_get_msix_index [2021-11-25 18:27:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_get_msix_index [2021-11-25 18:27:27,903 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-25 18:27:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-25 18:27:27,903 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-25 18:27:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-25 18:27:27,904 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2021-11-25 18:27:27,904 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2021-11-25 18:27:27,904 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_raid [2021-11-25 18:27:27,904 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_raid [2021-11-25 18:27:27,904 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_discovery_event [2021-11-25 18:27:27,904 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_discovery_event [2021-11-25 18:27:27,904 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_operational [2021-11-25 18:27:27,905 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_operational [2021-11-25 18:27:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_free_resources [2021-11-25 18:27:27,905 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_free_resources [2021-11-25 18:27:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-25 18:27:27,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-25 18:27:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_num_volumes [2021-11-25 18:27:27,905 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_num_volumes [2021-11-25 18:27:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_port_add [2021-11-25 18:27:27,906 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_port_add [2021-11-25 18:27:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 18:27:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_id [2021-11-25 18:27:27,906 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_id [2021-11-25 18:27:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 18:27:27,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 18:27:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_boot_device [2021-11-25 18:27:27,907 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_boot_device [2021-11-25 18:27:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-25 18:27:27,907 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-25 18:27:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_alloc [2021-11-25 18:27:27,907 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_alloc [2021-11-25 18:27:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure _base_diag_reset [2021-11-25 18:27:27,907 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_diag_reset [2021-11-25 18:27:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure int_to_scsilun [2021-11-25 18:27:27,908 INFO L138 BoogieDeclarations]: Found implementation of procedure int_to_scsilun [2021-11-25 18:27:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_expander_phy_control [2021-11-25 18:27:27,908 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_expander_phy_control [2021-11-25 18:27:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure attribute_container_find_class_device [2021-11-25 18:27:27,908 INFO L138 BoogieDeclarations]: Found implementation of procedure attribute_container_find_class_device [2021-11-25 18:27:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2021-11-25 18:27:27,909 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2021-11-25 18:27:27,909 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_sense_buffer_dma [2021-11-25 18:27:27,909 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_sense_buffer_dma [2021-11-25 18:27:27,909 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_put_smid_default [2021-11-25 18:27:27,909 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_put_smid_default [2021-11-25 18:27:27,909 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-11-25 18:27:27,909 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-11-25 18:27:27,910 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_fasync [2021-11-25 18:27:27,910 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_fasync [2021-11-25 18:27:27,910 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_iterate_devices [2021-11-25 18:27:27,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_iterate_devices [2021-11-25 18:27:27,910 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_broadcast_primitive_event [2021-11-25 18:27:27,910 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_broadcast_primitive_event [2021-11-25 18:27:27,910 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-25 18:27:27,910 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-25 18:27:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_smid [2021-11-25 18:27:27,911 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_smid [2021-11-25 18:27:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-25 18:27:27,911 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-25 18:27:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 18:27:27,911 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 18:27:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_tm_display_info [2021-11-25 18:27:27,912 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_tm_display_info [2021-11-25 18:27:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_free [2021-11-25 18:27:27,912 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_free [2021-11-25 18:27:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_mark_responding_raid_device [2021-11-25 18:27:27,912 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_mark_responding_raid_device [2021-11-25 18:27:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_end_device [2021-11-25 18:27:27,912 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_end_device [2021-11-25 18:27:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-25 18:27:27,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-25 18:27:27,913 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_phy_pg0 [2021-11-25 18:27:27,913 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_phy_pg0 [2021-11-25 18:27:27,913 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_halt_firmware [2021-11-25 18:27:27,913 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_halt_firmware [2021-11-25 18:27:27,913 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_remove [2021-11-25 18:27:27,913 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_remove [2021-11-25 18:27:27,913 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_msg_frame [2021-11-25 18:27:27,914 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_msg_frame [2021-11-25 18:27:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_volume_event [2021-11-25 18:27:27,914 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_volume_event [2021-11-25 18:27:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure _base_static_config_pages [2021-11-25 18:27:27,914 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_static_config_pages [2021-11-25 18:27:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 18:27:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_add_device [2021-11-25 18:27:27,914 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_add_device [2021-11-25 18:27:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_turn_off_pfa_led [2021-11-25 18:27:27,915 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_turn_off_pfa_led [2021-11-25 18:27:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_node_remove [2021-11-25 18:27:27,915 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_node_remove [2021-11-25 18:27:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_bios_pg3 [2021-11-25 18:27:27,915 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_bios_pg3 [2021-11-25 18:27:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_bios_pg2 [2021-11-25 18:27:27,916 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_bios_pg2 [2021-11-25 18:27:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_map_resources [2021-11-25 18:27:27,916 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_map_resources [2021-11-25 18:27:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure _base_mask_interrupts [2021-11-25 18:27:27,916 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_mask_interrupts [2021-11-25 18:27:27,916 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-25 18:27:27,916 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-25 18:27:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure _base_get_ioc_facts [2021-11-25 18:27:27,917 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_get_ioc_facts [2021-11-25 18:27:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_55 [2021-11-25 18:27:27,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_55 [2021-11-25 18:27:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_54 [2021-11-25 18:27:27,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_54 [2021-11-25 18:27:27,917 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-11-25 18:27:27,917 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-11-25 18:27:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-11-25 18:27:27,918 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-11-25 18:27:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_flush_running_cmds [2021-11-25 18:27:27,918 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_flush_running_cmds [2021-11-25 18:27:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_enclosure_pg0 [2021-11-25 18:27:27,918 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_enclosure_pg0 [2021-11-25 18:27:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2021-11-25 18:27:27,919 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2021-11-25 18:27:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_sas_devices [2021-11-25 18:27:27,919 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_sas_devices [2021-11-25 18:27:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_sas_device_pg0 [2021-11-25 18:27:27,919 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_sas_device_pg0 [2021-11-25 18:27:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_set_prot [2021-11-25 18:27:27,919 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_set_prot [2021-11-25 18:27:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure _base_fault_reset_work [2021-11-25 18:27:27,920 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_fault_reset_work [2021-11-25 18:27:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2021-11-25 18:27:27,920 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2021-11-25 18:27:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_find_by_handle [2021-11-25 18:27:27,920 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_find_by_handle [2021-11-25 18:27:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_add [2021-11-25 18:27:27,920 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_add [2021-11-25 18:27:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_issue_tm [2021-11-25 18:27:27,921 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_issue_tm [2021-11-25 18:27:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_delete_phy [2021-11-25 18:27:27,921 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_delete_phy [2021-11-25 18:27:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_iocstate [2021-11-25 18:27:27,921 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_iocstate [2021-11-25 18:27:27,921 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 18:27:27,921 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 18:27:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_poll [2021-11-25 18:27:27,922 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_poll [2021-11-25 18:27:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_put_smid_hi_priority [2021-11-25 18:27:27,922 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_put_smid_hi_priority [2021-11-25 18:27:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure param_get_int [2021-11-25 18:27:27,922 INFO L138 BoogieDeclarations]: Found implementation of procedure param_get_int [2021-11-25 18:27:27,922 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_delete [2021-11-25 18:27:27,922 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_delete [2021-11-25 18:27:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_target_destroy [2021-11-25 18:27:27,923 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_target_destroy [2021-11-25 18:27:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_pci_resume [2021-11-25 18:27:27,923 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_pci_resume [2021-11-25 18:27:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-25 18:27:27,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-25 18:27:27,923 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unblock_requests [2021-11-25 18:27:27,924 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unblock_requests [2021-11-25 18:27:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-25 18:27:27,924 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-25 18:27:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_raid_volume_pg0 [2021-11-25 18:27:27,924 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_raid_volume_pg0 [2021-11-25 18:27:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_raid_volume_pg1 [2021-11-25 18:27:27,924 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_raid_volume_pg1 [2021-11-25 18:27:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_put_smid_scsi_io [2021-11-25 18:27:27,925 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_put_smid_scsi_io [2021-11-25 18:27:27,925 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_clear_tm_flag [2021-11-25 18:27:27,925 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_clear_tm_flag [2021-11-25 18:27:27,925 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_add_phy [2021-11-25 18:27:27,925 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_add_phy [2021-11-25 18:27:27,925 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_phys_disk_pg0 [2021-11-25 18:27:27,925 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_phys_disk_pg0 [2021-11-25 18:27:27,925 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_del_phy_from_an_existing_port [2021-11-25 18:27:27,926 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_del_phy_from_an_existing_port [2021-11-25 18:27:27,926 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-11-25 18:27:27,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-11-25 18:27:27,926 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_ioc_pg8 [2021-11-25 18:27:27,926 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_ioc_pg8 [2021-11-25 18:27:27,926 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-25 18:27:27,926 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-25 18:27:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_sas_node_find_by_sas_address [2021-11-25 18:27:27,927 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_sas_node_find_by_sas_address [2021-11-25 18:27:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-25 18:27:27,927 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-25 18:27:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-25 18:27:27,927 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-25 18:27:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:27:27,927 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_add [2021-11-25 18:27:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_add [2021-11-25 18:27:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_print_command [2021-11-25 18:27:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_print_command [2021-11-25 18:27:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_response_code [2021-11-25 18:27:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_response_code [2021-11-25 18:27:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-25 18:27:27,928 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_pci_mmio_enabled [2021-11-25 18:27:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_pci_mmio_enabled [2021-11-25 18:27:30,790 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:27:30,799 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:27:31,644 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 18:28:10,956 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:28:26,211 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:28:26,211 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-25 18:28:26,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:28:26 BoogieIcfgContainer [2021-11-25 18:28:26,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:28:26,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:28:26,226 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:28:26,238 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:28:26,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:27:08" (1/3) ... [2021-11-25 18:28:26,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44ceec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:28:26, skipping insertion in model container [2021-11-25 18:28:26,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:27:24" (2/3) ... [2021-11-25 18:28:26,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44ceec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:28:26, skipping insertion in model container [2021-11-25 18:28:26,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:28:26" (3/3) ... [2021-11-25 18:28:26,242 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--mpt2sas--mpt2sas.ko-entry_point.cil.out.i [2021-11-25 18:28:26,249 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:28:26,249 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:28:26,335 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:28:26,343 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 18:28:26,343 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:28:26,693 INFO L276 IsEmpty]: Start isEmpty. Operand has 6256 states, 3886 states have (on average 1.3690169840452908) internal successors, (5320), 4083 states have internal predecessors, (5320), 2041 states have call successors, (2041), 328 states have call predecessors, (2041), 327 states have return successors, (2007), 1953 states have call predecessors, (2007), 2007 states have call successors, (2007) [2021-11-25 18:28:26,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-25 18:28:26,743 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:28:26,744 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:28:26,744 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:28:26,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:28:26,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1821801303, now seen corresponding path program 1 times [2021-11-25 18:28:26,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:28:26,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863113265] [2021-11-25 18:28:26,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:28:26,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:28:27,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:28:28,349 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-11-25 18:28:28,350 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:28:28,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863113265] [2021-11-25 18:28:28,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863113265] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:28:28,352 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:28:28,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:28:28,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653283112] [2021-11-25 18:28:28,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:28:28,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:28:28,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:28:28,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:28:28,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:28:28,404 INFO L87 Difference]: Start difference. First operand has 6256 states, 3886 states have (on average 1.3690169840452908) internal successors, (5320), 4083 states have internal predecessors, (5320), 2041 states have call successors, (2041), 328 states have call predecessors, (2041), 327 states have return successors, (2007), 1953 states have call predecessors, (2007), 2007 states have call successors, (2007) Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-25 18:28:30,618 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:28:33,993 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:28:36,694 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:28:42,760 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:28:46,171 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:28:48,449 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:28:54,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:28:54,389 INFO L93 Difference]: Finished difference Result 18421 states and 27583 transitions. [2021-11-25 18:28:54,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:28:54,391 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 146 [2021-11-25 18:28:54,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:28:54,564 INFO L225 Difference]: With dead ends: 18421 [2021-11-25 18:28:54,564 INFO L226 Difference]: Without dead ends: 12078 [2021-11-25 18:28:54,630 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:28:54,642 INFO L933 BasicCegarLoop]: 10365 mSDtfsCounter, 8843 mSDsluCounter, 9326 mSDsCounter, 0 mSdLazyCounter, 1768 mSolverCounterSat, 3 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8847 SdHoareTripleChecker+Valid, 18812 SdHoareTripleChecker+Invalid, 1777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1768 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:28:54,643 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8847 Valid, 18812 Invalid, 1777 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1768 Invalid, 6 Unknown, 0 Unchecked, 25.1s Time] [2021-11-25 18:28:54,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12078 states. [2021-11-25 18:28:55,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12078 to 12075. [2021-11-25 18:28:55,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12075 states, 7560 states have (on average 1.3597883597883598) internal successors, (10280), 7882 states have internal predecessors, (10280), 3871 states have call successors, (3871), 644 states have call predecessors, (3871), 643 states have return successors, (3874), 3760 states have call predecessors, (3874), 3870 states have call successors, (3874) [2021-11-25 18:28:56,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12075 states to 12075 states and 18025 transitions. [2021-11-25 18:28:56,030 INFO L78 Accepts]: Start accepts. Automaton has 12075 states and 18025 transitions. Word has length 146 [2021-11-25 18:28:56,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:28:56,035 INFO L470 AbstractCegarLoop]: Abstraction has 12075 states and 18025 transitions. [2021-11-25 18:28:56,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-25 18:28:56,038 INFO L276 IsEmpty]: Start isEmpty. Operand 12075 states and 18025 transitions. [2021-11-25 18:28:56,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-11-25 18:28:56,145 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:28:56,147 INFO L514 BasicCegarLoop]: trace histogram [10, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:28:56,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:28:56,148 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:28:56,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:28:56,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1768372997, now seen corresponding path program 1 times [2021-11-25 18:28:56,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:28:56,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519119033] [2021-11-25 18:28:56,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:28:56,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:28:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:28:57,292 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2021-11-25 18:28:57,293 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:28:57,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519119033] [2021-11-25 18:28:57,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519119033] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:28:57,294 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:28:57,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:28:57,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035878639] [2021-11-25 18:28:57,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:28:57,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:28:57,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:28:57,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:28:57,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:28:57,298 INFO L87 Difference]: Start difference. First operand 12075 states and 18025 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2021-11-25 18:28:59,523 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:29:01,654 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:29:06,653 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:29:09,248 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:29:17,817 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:29:21,443 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:29:23,659 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:29:26,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:29:26,470 INFO L93 Difference]: Finished difference Result 35627 states and 53149 transitions. [2021-11-25 18:29:26,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:29:26,470 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 276 [2021-11-25 18:29:26,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:29:26,690 INFO L225 Difference]: With dead ends: 35627 [2021-11-25 18:29:26,690 INFO L226 Difference]: Without dead ends: 23573 [2021-11-25 18:29:26,795 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:29:26,797 INFO L933 BasicCegarLoop]: 11793 mSDtfsCounter, 8594 mSDsluCounter, 9185 mSDsCounter, 0 mSdLazyCounter, 2034 mSolverCounterSat, 2 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8596 SdHoareTripleChecker+Valid, 20111 SdHoareTripleChecker+Invalid, 2043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2034 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:29:26,797 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8596 Valid, 20111 Invalid, 2043 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2034 Invalid, 7 Unknown, 0 Unchecked, 28.1s Time] [2021-11-25 18:29:26,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23573 states. [2021-11-25 18:29:28,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23573 to 23565. [2021-11-25 18:29:28,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23565 states, 14784 states have (on average 1.360457251082251) internal successors, (20113), 15423 states have internal predecessors, (20113), 7512 states have call successors, (7512), 1269 states have call predecessors, (7512), 1268 states have return successors, (7521), 7290 states have call predecessors, (7521), 7511 states have call successors, (7521) [2021-11-25 18:29:28,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23565 states to 23565 states and 35146 transitions. [2021-11-25 18:29:28,434 INFO L78 Accepts]: Start accepts. Automaton has 23565 states and 35146 transitions. Word has length 276 [2021-11-25 18:29:28,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:29:28,435 INFO L470 AbstractCegarLoop]: Abstraction has 23565 states and 35146 transitions. [2021-11-25 18:29:28,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2021-11-25 18:29:28,435 INFO L276 IsEmpty]: Start isEmpty. Operand 23565 states and 35146 transitions. [2021-11-25 18:29:28,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-11-25 18:29:28,593 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:29:28,594 INFO L514 BasicCegarLoop]: trace histogram [10, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:29:28,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:29:28,594 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:29:28,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:29:28,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1129859436, now seen corresponding path program 1 times [2021-11-25 18:29:28,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:29:28,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583936714] [2021-11-25 18:29:28,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:29:28,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:29:29,468 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:29:29,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1295986949] [2021-11-25 18:29:29,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:29:29,468 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:29:29,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f16a18-abf8-4cd5-935e-ba5ce3bbf6f3/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:29:29,471 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f16a18-abf8-4cd5-935e-ba5ce3bbf6f3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:29:29,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f16a18-abf8-4cd5-935e-ba5ce3bbf6f3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:29:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:29:34,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 13035 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 18:29:34,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:29:34,966 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2021-11-25 18:29:34,967 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:29:34,967 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:29:34,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583936714] [2021-11-25 18:29:34,967 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:29:34,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295986949] [2021-11-25 18:29:34,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295986949] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:29:34,968 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:29:34,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:29:34,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103901602] [2021-11-25 18:29:34,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:29:34,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:29:34,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:29:34,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:29:34,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:29:34,971 INFO L87 Difference]: Start difference. First operand 23565 states and 35146 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2021-11-25 18:29:37,142 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:29:40,434 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:29:42,315 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:29:47,419 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:29:50,839 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:29:57,158 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:29:59,416 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:30:01,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:30:01,078 INFO L93 Difference]: Finished difference Result 58653 states and 87482 transitions. [2021-11-25 18:30:01,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:30:01,079 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 281 [2021-11-25 18:30:01,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:30:01,336 INFO L225 Difference]: With dead ends: 58653 [2021-11-25 18:30:01,336 INFO L226 Difference]: Without dead ends: 35109 [2021-11-25 18:30:01,462 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:30:01,466 INFO L933 BasicCegarLoop]: 10212 mSDtfsCounter, 8621 mSDsluCounter, 9186 mSDsCounter, 0 mSdLazyCounter, 1820 mSolverCounterSat, 17 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8623 SdHoareTripleChecker+Valid, 18530 SdHoareTripleChecker+Invalid, 1843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1820 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:30:01,468 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8623 Valid, 18530 Invalid, 1843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1820 Invalid, 6 Unknown, 0 Unchecked, 25.0s Time] [2021-11-25 18:30:01,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35109 states. [2021-11-25 18:30:03,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35109 to 35101. [2021-11-25 18:30:03,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35101 states, 22055 states have (on average 1.3606438449331217) internal successors, (30009), 23011 states have internal predecessors, (30009), 11153 states have call successors, (11153), 1893 states have call predecessors, (11153), 1892 states have return successors, (11168), 10820 states have call predecessors, (11168), 11152 states have call successors, (11168) [2021-11-25 18:30:03,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35101 states to 35101 states and 52330 transitions. [2021-11-25 18:30:03,820 INFO L78 Accepts]: Start accepts. Automaton has 35101 states and 52330 transitions. Word has length 281 [2021-11-25 18:30:03,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:30:03,821 INFO L470 AbstractCegarLoop]: Abstraction has 35101 states and 52330 transitions. [2021-11-25 18:30:03,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2021-11-25 18:30:03,822 INFO L276 IsEmpty]: Start isEmpty. Operand 35101 states and 52330 transitions. [2021-11-25 18:30:03,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2021-11-25 18:30:03,929 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:30:03,929 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:30:03,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f16a18-abf8-4cd5-935e-ba5ce3bbf6f3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-25 18:30:04,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f16a18-abf8-4cd5-935e-ba5ce3bbf6f3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:30:04,158 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:30:04,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:30:04,159 INFO L85 PathProgramCache]: Analyzing trace with hash 139988982, now seen corresponding path program 1 times [2021-11-25 18:30:04,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:30:04,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371242674] [2021-11-25 18:30:04,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:30:04,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:30:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:30:05,608 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 770 trivial. 0 not checked. [2021-11-25 18:30:05,609 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:30:05,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371242674] [2021-11-25 18:30:05,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371242674] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:30:05,609 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:30:05,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:30:05,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121215948] [2021-11-25 18:30:05,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:30:05,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:30:05,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:30:05,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:30:05,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:30:05,613 INFO L87 Difference]: Start difference. First operand 35101 states and 52330 transitions. Second operand has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 2 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2021-11-25 18:30:07,847 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:30:10,025 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:30:15,869 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:30:18,727 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:30:25,169 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:30:26,235 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:30:29,931 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:30:32,058 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:30:45,019 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:30:47,058 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:30:52,653 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:30:58,844 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:31:00,967 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:31:03,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:31:03,387 INFO L93 Difference]: Finished difference Result 112886 states and 169131 transitions. [2021-11-25 18:31:03,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 18:31:03,388 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 2 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) Word has length 429 [2021-11-25 18:31:03,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:31:03,996 INFO L225 Difference]: With dead ends: 112886 [2021-11-25 18:31:03,996 INFO L226 Difference]: Without dead ends: 77806 [2021-11-25 18:31:04,366 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-25 18:31:04,371 INFO L933 BasicCegarLoop]: 17828 mSDtfsCounter, 12038 mSDsluCounter, 45880 mSDsCounter, 0 mSdLazyCounter, 6610 mSolverCounterSat, 962 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12040 SdHoareTripleChecker+Valid, 59438 SdHoareTripleChecker+Invalid, 7583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 962 IncrementalHoareTripleChecker+Valid, 6610 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:31:04,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12040 Valid, 59438 Invalid, 7583 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [962 Valid, 6610 Invalid, 11 Unknown, 0 Unchecked, 55.3s Time] [2021-11-25 18:31:04,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77806 states. [2021-11-25 18:31:08,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77806 to 69565. [2021-11-25 18:31:08,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69565 states, 43745 states have (on average 1.36148131214996) internal successors, (59558), 45656 states have internal predecessors, (59558), 22053 states have call successors, (22053), 3767 states have call predecessors, (22053), 3766 states have return successors, (22086), 21384 states have call predecessors, (22086), 22052 states have call successors, (22086) [2021-11-25 18:31:09,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69565 states to 69565 states and 103697 transitions. [2021-11-25 18:31:09,389 INFO L78 Accepts]: Start accepts. Automaton has 69565 states and 103697 transitions. Word has length 429 [2021-11-25 18:31:09,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:31:09,391 INFO L470 AbstractCegarLoop]: Abstraction has 69565 states and 103697 transitions. [2021-11-25 18:31:09,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 2 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2021-11-25 18:31:09,391 INFO L276 IsEmpty]: Start isEmpty. Operand 69565 states and 103697 transitions. [2021-11-25 18:31:09,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 592 [2021-11-25 18:31:09,617 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:31:09,618 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 11, 11, 11, 10, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:31:09,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 18:31:09,618 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:31:09,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:31:09,619 INFO L85 PathProgramCache]: Analyzing trace with hash 69511982, now seen corresponding path program 1 times [2021-11-25 18:31:09,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:31:09,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774877087] [2021-11-25 18:31:09,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:31:09,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:31:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:31:11,275 INFO L134 CoverageAnalysis]: Checked inductivity of 2649 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 2606 trivial. 0 not checked. [2021-11-25 18:31:11,276 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:31:11,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774877087] [2021-11-25 18:31:11,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774877087] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:31:11,276 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:31:11,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:31:11,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349823939] [2021-11-25 18:31:11,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:31:11,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:31:11,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:31:11,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:31:11,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:31:11,279 INFO L87 Difference]: Start difference. First operand 69565 states and 103697 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 3 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (76), 3 states have call predecessors, (76), 3 states have call successors, (76) [2021-11-25 18:31:13,488 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:31:16,812 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:31:20,174 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:31:22,303 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:31:28,762 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:31:31,386 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:31:36,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:31:36,420 INFO L93 Difference]: Finished difference Result 159840 states and 237493 transitions. [2021-11-25 18:31:36,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:31:36,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 3 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (76), 3 states have call predecessors, (76), 3 states have call successors, (76) Word has length 591 [2021-11-25 18:31:36,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:31:37,277 INFO L225 Difference]: With dead ends: 159840 [2021-11-25 18:31:37,277 INFO L226 Difference]: Without dead ends: 124877 [2021-11-25 18:31:37,493 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:31:37,494 INFO L933 BasicCegarLoop]: 10521 mSDtfsCounter, 8864 mSDsluCounter, 9240 mSDsCounter, 0 mSdLazyCounter, 1791 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8870 SdHoareTripleChecker+Valid, 18883 SdHoareTripleChecker+Invalid, 1798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1791 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:31:37,495 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8870 Valid, 18883 Invalid, 1798 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1 Valid, 1791 Invalid, 6 Unknown, 0 Unchecked, 21.9s Time] [2021-11-25 18:31:37,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124877 states. [2021-11-25 18:31:42,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124877 to 124863. [2021-11-25 18:31:42,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124863 states, 78035 states have (on average 1.3572499519446402) internal successors, (105913), 81631 states have internal predecessors, (105913), 39683 states have call successors, (39683), 7145 states have call predecessors, (39683), 7144 states have return successors, (39759), 38443 states have call predecessors, (39759), 39682 states have call successors, (39759) [2021-11-25 18:31:44,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124863 states to 124863 states and 185355 transitions. [2021-11-25 18:31:44,093 INFO L78 Accepts]: Start accepts. Automaton has 124863 states and 185355 transitions. Word has length 591 [2021-11-25 18:31:44,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:31:44,095 INFO L470 AbstractCegarLoop]: Abstraction has 124863 states and 185355 transitions. [2021-11-25 18:31:44,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 3 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (76), 3 states have call predecessors, (76), 3 states have call successors, (76) [2021-11-25 18:31:44,096 INFO L276 IsEmpty]: Start isEmpty. Operand 124863 states and 185355 transitions. [2021-11-25 18:31:44,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 592 [2021-11-25 18:31:44,327 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:31:44,328 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 11, 11, 11, 10, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:31:44,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 18:31:44,328 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:31:44,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:31:44,329 INFO L85 PathProgramCache]: Analyzing trace with hash -201144945, now seen corresponding path program 1 times [2021-11-25 18:31:44,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:31:44,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624865078] [2021-11-25 18:31:44,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:31:44,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:31:44,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:31:45,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2649 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 2606 trivial. 0 not checked. [2021-11-25 18:31:45,808 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:31:45,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624865078] [2021-11-25 18:31:45,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624865078] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:31:45,808 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:31:45,809 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:31:45,809 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989387316] [2021-11-25 18:31:45,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:31:45,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:31:45,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:31:45,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:31:45,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:31:45,812 INFO L87 Difference]: Start difference. First operand 124863 states and 185355 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 3 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (76), 3 states have call predecessors, (76), 3 states have call successors, (76) [2021-11-25 18:31:48,052 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:31:51,830 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:31:56,708 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:32:06,157 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:32:09,378 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:32:14,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:32:14,503 INFO L93 Difference]: Finished difference Result 302072 states and 448478 transitions. [2021-11-25 18:32:14,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:32:14,515 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 3 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (76), 3 states have call predecessors, (76), 3 states have call successors, (76) Word has length 591 [2021-11-25 18:32:14,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:32:15,681 INFO L225 Difference]: With dead ends: 302072 [2021-11-25 18:32:15,681 INFO L226 Difference]: Without dead ends: 140750 [2021-11-25 18:32:16,323 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:32:16,324 INFO L933 BasicCegarLoop]: 16162 mSDtfsCounter, 8810 mSDsluCounter, 9184 mSDsCounter, 0 mSdLazyCounter, 2563 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8815 SdHoareTripleChecker+Valid, 24479 SdHoareTripleChecker+Invalid, 2570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2563 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.7s IncrementalHoareTripleChecker+Time [2021-11-25 18:32:16,324 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8815 Valid, 24479 Invalid, 2570 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2563 Invalid, 5 Unknown, 0 Unchecked, 22.7s Time] [2021-11-25 18:32:16,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140750 states. [2021-11-25 18:32:22,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140750 to 140700. [2021-11-25 18:32:22,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140700 states, 88207 states have (on average 1.3594499302776424) internal successors, (119913), 92189 states have internal predecessors, (119913), 44599 states have call successors, (44599), 7891 states have call predecessors, (44599), 7893 states have return successors, (44698), 43230 states have call predecessors, (44698), 44598 states have call successors, (44698) [2021-11-25 18:32:24,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140700 states to 140700 states and 209210 transitions. [2021-11-25 18:32:24,063 INFO L78 Accepts]: Start accepts. Automaton has 140700 states and 209210 transitions. Word has length 591 [2021-11-25 18:32:24,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:32:24,064 INFO L470 AbstractCegarLoop]: Abstraction has 140700 states and 209210 transitions. [2021-11-25 18:32:24,065 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 3 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (76), 3 states have call predecessors, (76), 3 states have call successors, (76) [2021-11-25 18:32:24,065 INFO L276 IsEmpty]: Start isEmpty. Operand 140700 states and 209210 transitions. [2021-11-25 18:32:24,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 623 [2021-11-25 18:32:24,216 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:32:24,216 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 11, 11, 11, 11, 10, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:32:24,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 18:32:24,217 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:32:24,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:32:24,218 INFO L85 PathProgramCache]: Analyzing trace with hash -607320538, now seen corresponding path program 1 times [2021-11-25 18:32:24,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:32:24,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060966823] [2021-11-25 18:32:24,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:32:24,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:32:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:32:26,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2736 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2736 trivial. 0 not checked. [2021-11-25 18:32:26,062 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:32:26,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060966823] [2021-11-25 18:32:26,062 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060966823] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:32:26,063 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:32:26,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:32:26,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844648678] [2021-11-25 18:32:26,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:32:26,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:32:26,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:32:26,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:32:26,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:32:26,066 INFO L87 Difference]: Start difference. First operand 140700 states and 209210 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (89), 2 states have call predecessors, (89), 1 states have return successors, (88), 2 states have call predecessors, (88), 2 states have call successors, (88) [2021-11-25 18:32:28,285 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:32:31,751 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:32:33,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:32:35,875 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:32:39,500 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:32:42,305 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 18:32:48,148 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:32:50,252 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:32:54,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:32:54,177 INFO L93 Difference]: Finished difference Result 168411 states and 250078 transitions. [2021-11-25 18:32:54,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:32:54,178 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (89), 2 states have call predecessors, (89), 1 states have return successors, (88), 2 states have call predecessors, (88), 2 states have call successors, (88) Word has length 622 [2021-11-25 18:32:54,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:32:55,165 INFO L225 Difference]: With dead ends: 168411 [2021-11-25 18:32:55,166 INFO L226 Difference]: Without dead ends: 150158 [2021-11-25 18:32:55,310 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:32:55,311 INFO L933 BasicCegarLoop]: 10332 mSDtfsCounter, 8842 mSDsluCounter, 9245 mSDsCounter, 0 mSdLazyCounter, 1761 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8845 SdHoareTripleChecker+Valid, 18697 SdHoareTripleChecker+Invalid, 1767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1761 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:32:55,311 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8845 Valid, 18697 Invalid, 1767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1761 Invalid, 6 Unknown, 0 Unchecked, 24.3s Time] [2021-11-25 18:32:55,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150158 states. [2021-11-25 18:33:01,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150158 to 150147. [2021-11-25 18:33:01,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150147 states, 94057 states have (on average 1.3588037041368533) internal successors, (127805), 98321 states have internal predecessors, (127805), 47611 states have call successors, (47611), 8475 states have call predecessors, (47611), 8478 states have return successors, (47711), 46149 states have call predecessors, (47711), 47610 states have call successors, (47711) [2021-11-25 18:33:03,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150147 states to 150147 states and 223127 transitions. [2021-11-25 18:33:03,242 INFO L78 Accepts]: Start accepts. Automaton has 150147 states and 223127 transitions. Word has length 622 [2021-11-25 18:33:03,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:33:03,243 INFO L470 AbstractCegarLoop]: Abstraction has 150147 states and 223127 transitions. [2021-11-25 18:33:03,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (89), 2 states have call predecessors, (89), 1 states have return successors, (88), 2 states have call predecessors, (88), 2 states have call successors, (88) [2021-11-25 18:33:03,244 INFO L276 IsEmpty]: Start isEmpty. Operand 150147 states and 223127 transitions. [2021-11-25 18:33:03,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 789 [2021-11-25 18:33:03,530 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:33:03,531 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 14, 11, 11, 11, 10, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:33:03,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 18:33:03,531 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:33:03,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:33:03,532 INFO L85 PathProgramCache]: Analyzing trace with hash 869091925, now seen corresponding path program 1 times [2021-11-25 18:33:03,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:33:03,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446583659] [2021-11-25 18:33:03,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:33:03,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:33:04,139 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:33:04,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1605044523] [2021-11-25 18:33:04,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:33:04,140 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:33:04,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f16a18-abf8-4cd5-935e-ba5ce3bbf6f3/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:33:04,141 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f16a18-abf8-4cd5-935e-ba5ce3bbf6f3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:33:04,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f16a18-abf8-4cd5-935e-ba5ce3bbf6f3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process