./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-43_2a-drivers--scsi--mpt3sas--mpt3sas.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_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/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_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--mpt3sas--mpt3sas.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/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_adee7cb5-d8a0-44f3-9cff-91346bac755b/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 a171ff224376cf8290462f462f8b255eba22e68c644930bef5dec76a3be72788 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:58:49,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:58:49,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:58:50,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:58:50,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:58:50,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:58:50,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:58:50,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:58:50,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:58:50,015 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:58:50,016 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:58:50,017 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:58:50,018 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:58:50,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:58:50,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:58:50,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:58:50,025 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:58:50,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:58:50,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:58:50,032 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:58:50,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:58:50,041 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:58:50,042 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:58:50,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:58:50,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:58:50,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:58:50,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:58:50,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:58:50,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:58:50,060 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:58:50,061 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:58:50,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:58:50,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:58:50,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:58:50,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:58:50,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:58:50,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:58:50,068 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:58:50,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:58:50,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:58:50,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:58:50,070 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 19:58:50,096 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:58:50,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:58:50,096 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:58:50,097 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:58:50,097 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:58:50,097 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:58:50,098 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:58:50,098 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:58:50,098 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:58:50,098 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:58:50,098 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:58:50,099 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:58:50,099 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:58:50,099 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:58:50,099 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:58:50,099 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:58:50,100 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:58:50,100 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:58:50,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:58:50,101 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:58:50,101 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:58:50,101 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:58:50,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:58:50,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:58:50,102 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:58:50,102 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:58:50,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:58:50,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:58:50,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:58:50,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:58:50,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:58:50,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:58:50,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:58:50,103 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:58:50,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:58:50,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:58:50,104 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:58:50,104 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:58:50,104 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_adee7cb5-d8a0-44f3-9cff-91346bac755b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a171ff224376cf8290462f462f8b255eba22e68c644930bef5dec76a3be72788 [2021-11-25 19:58:50,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:58:50,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:58:50,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:58:50,357 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:58:50,358 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:58:50,360 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--mpt3sas--mpt3sas.ko-entry_point.cil.out.i [2021-11-25 19:58:50,435 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/data/75c7241da/ebeaa69f90bd4ef789cd7a43458ddd2b/FLAGa11047542 [2021-11-25 19:58:51,710 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:58:51,711 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--mpt3sas--mpt3sas.ko-entry_point.cil.out.i [2021-11-25 19:58:51,803 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/data/75c7241da/ebeaa69f90bd4ef789cd7a43458ddd2b/FLAGa11047542 [2021-11-25 19:58:52,273 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/data/75c7241da/ebeaa69f90bd4ef789cd7a43458ddd2b [2021-11-25 19:58:52,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:58:52,277 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:58:52,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:58:52,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:58:52,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:58:52,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:58:52" (1/1) ... [2021-11-25 19:58:52,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6218edbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:52, skipping insertion in model container [2021-11-25 19:58:52,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:58:52" (1/1) ... [2021-11-25 19:58:52,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:58:52,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:59:03,212 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_adee7cb5-d8a0-44f3-9cff-91346bac755b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--mpt3sas--mpt3sas.ko-entry_point.cil.out.i[1000878,1000891] [2021-11-25 19:59:03,350 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:59:03,410 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:59:04,851 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_adee7cb5-d8a0-44f3-9cff-91346bac755b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--mpt3sas--mpt3sas.ko-entry_point.cil.out.i[1000878,1000891] [2021-11-25 19:59:04,864 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:59:05,346 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:59:05,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:59:05 WrapperNode [2021-11-25 19:59:05,347 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:59:05,349 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:59:05,349 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:59:05,349 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:59:05,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:59:05" (1/1) ... [2021-11-25 19:59:05,823 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:59:05" (1/1) ... [2021-11-25 19:59:06,337 INFO L137 Inliner]: procedures = 834, calls = 11670, calls flagged for inlining = 388, calls inlined = 349, statements flattened = 23741 [2021-11-25 19:59:06,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:59:06,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:59:06,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:59:06,339 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:59:06,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:59:05" (1/1) ... [2021-11-25 19:59:06,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:59:05" (1/1) ... [2021-11-25 19:59:06,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:59:05" (1/1) ... [2021-11-25 19:59:06,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:59:05" (1/1) ... [2021-11-25 19:59:07,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:59:05" (1/1) ... [2021-11-25 19:59:07,579 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:59:05" (1/1) ... [2021-11-25 19:59:07,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:59:05" (1/1) ... [2021-11-25 19:59:07,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:59:07,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:59:07,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:59:07,828 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:59:07,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:59:05" (1/1) ... [2021-11-25 19:59:07,836 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:59:07,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:59:07,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:59:07,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:59:07,917 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_set_sas_iounit_pg1 [2021-11-25 19:59:07,918 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_set_sas_iounit_pg1 [2021-11-25 19:59:07,918 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_state [2021-11-25 19:59:07,918 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_state [2021-11-25 19:59:07,918 INFO L130 BoogieDeclarations]: Found specification of procedure _base_handshake_req_reply_wait [2021-11-25 19:59:07,918 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_handshake_req_reply_wait [2021-11-25 19:59:07,918 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-11-25 19:59:07,919 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-11-25 19:59:07,919 INFO L130 BoogieDeclarations]: Found specification of procedure _base_writeq [2021-11-25 19:59:07,919 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_writeq [2021-11-25 19:59:07,919 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_topology_change_event [2021-11-25 19:59:07,919 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_topology_change_event [2021-11-25 19:59:07,919 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_free [2021-11-25 19:59:07,920 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_free [2021-11-25 19:59:07,920 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_map_resources [2021-11-25 19:59:07,920 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_map_resources [2021-11-25 19:59:07,920 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-25 19:59:07,920 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-25 19:59:07,920 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-25 19:59:07,921 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-25 19:59:07,921 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_add_expander_phy [2021-11-25 19:59:07,921 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_add_expander_phy [2021-11-25 19:59:07,921 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2021-11-25 19:59:07,921 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2021-11-25 19:59:07,922 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_do_mpt_command [2021-11-25 19:59:07,922 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_do_mpt_command [2021-11-25 19:59:07,922 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_add [2021-11-25 19:59:07,922 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_add [2021-11-25 19:59:07,922 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_start [2021-11-25 19:59:07,922 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_start [2021-11-25 19:59:07,923 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-25 19:59:07,923 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-25 19:59:07,923 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_put_smid_default [2021-11-25 19:59:07,924 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_put_smid_default [2021-11-25 19:59:07,924 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_add [2021-11-25 19:59:07,924 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_add [2021-11-25 19:59:07,924 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_slave_destroy [2021-11-25 19:59:07,925 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_slave_destroy [2021-11-25 19:59:07,925 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_device [2021-11-25 19:59:07,925 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_device [2021-11-25 19:59:07,925 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-25 19:59:07,925 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-25 19:59:07,925 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_iounit_pg0 [2021-11-25 19:59:07,926 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_iounit_pg0 [2021-11-25 19:59:07,926 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_iounit_pg1 [2021-11-25 19:59:07,926 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_iounit_pg1 [2021-11-25 19:59:07,926 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2021-11-25 19:59:07,926 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2021-11-25 19:59:07,927 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ir_shutdown [2021-11-25 19:59:07,927 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ir_shutdown [2021-11-25 19:59:07,928 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-25 19:59:07,928 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-25 19:59:07,929 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-25 19:59:07,929 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-25 19:59:07,929 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_iounit_pg8 [2021-11-25 19:59:07,929 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_iounit_pg8 [2021-11-25 19:59:07,929 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-25 19:59:07,929 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-25 19:59:07,930 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_phy_reset [2021-11-25 19:59:07,930 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_phy_reset [2021-11-25 19:59:07,931 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_add [2021-11-25 19:59:07,931 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_add [2021-11-25 19:59:07,931 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_free_smid [2021-11-25 19:59:07,931 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_free_smid [2021-11-25 19:59:07,931 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove_device [2021-11-25 19:59:07,931 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove_device [2021-11-25 19:59:07,932 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host_with_dma [2021-11-25 19:59:07,932 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host_with_dma [2021-11-25 19:59:07,932 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_target [2021-11-25 19:59:07,932 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_target [2021-11-25 19:59:07,932 INFO L130 BoogieDeclarations]: Found specification of procedure _base_unmask_events [2021-11-25 19:59:07,933 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_unmask_events [2021-11-25 19:59:07,933 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_free_resources [2021-11-25 19:59:07,933 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_free_resources [2021-11-25 19:59:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_shutdown [2021-11-25 19:59:07,934 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_shutdown [2021-11-25 19:59:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure _base_free_irq [2021-11-25 19:59:07,934 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_free_irq [2021-11-25 19:59:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure raid_class_release [2021-11-25 19:59:07,934 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_class_release [2021-11-25 19:59:07,935 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-25 19:59:07,935 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-25 19:59:07,935 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_display_some_debug [2021-11-25 19:59:07,936 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_display_some_debug [2021-11-25 19:59:07,936 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 19:59:07,936 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 19:59:07,936 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_halt_firmware [2021-11-25 19:59:07,937 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_halt_firmware [2021-11-25 19:59:07,937 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_pci_slot_reset [2021-11-25 19:59:07,938 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_pci_slot_reset [2021-11-25 19:59:07,938 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_probe_raid [2021-11-25 19:59:07,938 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_probe_raid [2021-11-25 19:59:07,938 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_ack [2021-11-25 19:59:07,939 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_ack [2021-11-25 19:59:07,939 INFO L130 BoogieDeclarations]: Found specification of procedure _mpt3sas_raise_sigio [2021-11-25 19:59:07,939 INFO L138 BoogieDeclarations]: Found implementation of procedure _mpt3sas_raise_sigio [2021-11-25 19:59:07,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:59:07,939 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_start_watchdog [2021-11-25 19:59:07,940 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_start_watchdog [2021-11-25 19:59:07,940 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_device [2021-11-25 19:59:07,940 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_device [2021-11-25 19:59:07,940 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-11-25 19:59:07,940 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-11-25 19:59:07,941 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_expander_pg1 [2021-11-25 19:59:07,941 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_expander_pg1 [2021-11-25 19:59:07,941 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scsi_lookup_get_clear [2021-11-25 19:59:07,941 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scsi_lookup_get_clear [2021-11-25 19:59:07,941 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_expander_pg0 [2021-11-25 19:59:07,942 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_expander_pg0 [2021-11-25 19:59:07,942 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-25 19:59:07,942 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-25 19:59:07,943 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_capability [2021-11-25 19:59:07,945 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_capability [2021-11-25 19:59:07,946 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf [2021-11-25 19:59:07,946 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf [2021-11-25 19:59:07,946 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-25 19:59:07,947 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-25 19:59:07,948 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-25 19:59:07,949 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-25 19:59:07,949 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-25 19:59:07,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-25 19:59:07,956 INFO L130 BoogieDeclarations]: Found specification of procedure _firmware_event_work [2021-11-25 19:59:07,956 INFO L138 BoogieDeclarations]: Found implementation of procedure _firmware_event_work [2021-11-25 19:59:07,956 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-11-25 19:59:07,956 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-11-25 19:59:07,956 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_raid_volume_pg0 [2021-11-25 19:59:07,956 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_raid_volume_pg0 [2021-11-25 19:59:07,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_32 [2021-11-25 19:59:07,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_32 [2021-11-25 19:59:07,957 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_target [2021-11-25 19:59:07,957 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_target [2021-11-25 19:59:07,957 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2021-11-25 19:59:07,957 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2021-11-25 19:59:07,958 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_raid_volume_pg1 [2021-11-25 19:59:07,958 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_raid_volume_pg1 [2021-11-25 19:59:07,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-25 19:59:07,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-25 19:59:07,958 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-11-25 19:59:07,958 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-11-25 19:59:07,958 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_reply [2021-11-25 19:59:07,959 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_reply [2021-11-25 19:59:07,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:59:07,959 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_iocstate [2021-11-25 19:59:07,959 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_iocstate [2021-11-25 19:59:07,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-25 19:59:07,959 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_convert_phy_link_rate [2021-11-25 19:59:07,959 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_convert_phy_link_rate [2021-11-25 19:59:07,960 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-25 19:59:07,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-25 19:59:07,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:59:07,960 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-25 19:59:07,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-25 19:59:07,960 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_sas_address [2021-11-25 19:59:07,960 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_sas_address [2021-11-25 19:59:07,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:59:07,961 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_sanity_check [2021-11-25 19:59:07,961 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_sanity_check [2021-11-25 19:59:07,961 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 19:59:07,961 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-11-25 19:59:07,961 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-11-25 19:59:07,962 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_refresh [2021-11-25 19:59:07,962 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_refresh [2021-11-25 19:59:07,962 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_wwid [2021-11-25 19:59:07,962 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_wwid [2021-11-25 19:59:07,962 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_reset_handler [2021-11-25 19:59:07,962 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_reset_handler [2021-11-25 19:59:07,962 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_int [2021-11-25 19:59:07,963 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_int [2021-11-25 19:59:07,963 INFO L130 BoogieDeclarations]: Found specification of procedure param_set_int [2021-11-25 19:59:07,963 INFO L138 BoogieDeclarations]: Found implementation of procedure param_set_int [2021-11-25 19:59:07,963 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-25 19:59:07,963 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-25 19:59:07,963 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_release_callback_handler [2021-11-25 19:59:07,964 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_release_callback_handler [2021-11-25 19:59:07,964 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_bytes [2021-11-25 19:59:07,964 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_bytes [2021-11-25 19:59:07,964 INFO L130 BoogieDeclarations]: Found specification of procedure sas_release_transport [2021-11-25 19:59:07,964 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_release_transport [2021-11-25 19:59:07,964 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_access_status [2021-11-25 19:59:07,964 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_access_status [2021-11-25 19:59:07,965 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_expander_remove [2021-11-25 19:59:07,965 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_expander_remove [2021-11-25 19:59:07,965 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_handle [2021-11-25 19:59:07,965 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_handle [2021-11-25 19:59:07,965 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-11-25 19:59:07,965 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-11-25 19:59:07,965 INFO L130 BoogieDeclarations]: Found specification of procedure _base_reset_handler [2021-11-25 19:59:07,966 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_reset_handler [2021-11-25 19:59:07,966 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_set_tm_flag [2021-11-25 19:59:07,966 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_set_tm_flag [2021-11-25 19:59:07,966 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-25 19:59:07,966 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-25 19:59:07,966 INFO L130 BoogieDeclarations]: Found specification of procedure bio_data [2021-11-25 19:59:07,967 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_data [2021-11-25 19:59:07,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:59:07,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:59:07,967 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-25 19:59:07,967 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-25 19:59:07,967 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_register_2 [2021-11-25 19:59:07,967 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_register_2 [2021-11-25 19:59:07,968 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-25 19:59:07,968 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-25 19:59:07,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 19:59:07,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_35 [2021-11-25 19:59:07,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_35 [2021-11-25 19:59:07,968 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-11-25 19:59:07,969 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-11-25 19:59:07,969 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_delete_port [2021-11-25 19:59:07,969 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_delete_port [2021-11-25 19:59:07,969 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-25 19:59:07,969 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-25 19:59:07,969 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-25 19:59:07,969 INFO L130 BoogieDeclarations]: Found specification of procedure _base_release_memory_pools [2021-11-25 19:59:07,970 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_release_memory_pools [2021-11-25 19:59:07,970 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___1 [2021-11-25 19:59:07,970 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___1 [2021-11-25 19:59:07,970 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___0 [2021-11-25 19:59:07,970 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___0 [2021-11-25 19:59:07,970 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___3 [2021-11-25 19:59:07,970 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___3 [2021-11-25 19:59:07,971 INFO L130 BoogieDeclarations]: Found specification of procedure _base_build_zero_len_sge [2021-11-25 19:59:07,971 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_build_zero_len_sge [2021-11-25 19:59:07,971 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_sas_device_find_by_sas_address [2021-11-25 19:59:07,971 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_sas_device_find_by_sas_address [2021-11-25 19:59:07,971 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_add [2021-11-25 19:59:07,971 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_add [2021-11-25 19:59:07,971 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-11-25 19:59:07,972 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-11-25 19:59:07,972 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-11-25 19:59:07,972 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-11-25 19:59:07,972 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_resume [2021-11-25 19:59:07,972 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_resume [2021-11-25 19:59:07,972 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-25 19:59:07,973 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-25 19:59:07,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-25 19:59:07,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-25 19:59:07,973 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_put_smid_scsi_io [2021-11-25 19:59:07,973 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_put_smid_scsi_io [2021-11-25 19:59:07,974 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-11-25 19:59:07,978 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-11-25 19:59:07,978 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_put_smid_hi_priority [2021-11-25 19:59:07,978 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_put_smid_hi_priority [2021-11-25 19:59:07,978 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-25 19:59:07,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-25 19:59:07,978 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_all_device [2021-11-25 19:59:07,979 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_all_device [2021-11-25 19:59:07,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 19:59:07,979 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 19:59:07,980 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_manufacturing_pg11 [2021-11-25 19:59:07,980 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_manufacturing_pg11 [2021-11-25 19:59:07,981 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_manufacturing_pg10 [2021-11-25 19:59:07,981 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_manufacturing_pg10 [2021-11-25 19:59:07,981 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-25 19:59:07,981 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-25 19:59:07,981 INFO L130 BoogieDeclarations]: Found specification of procedure rphy_to_ioc [2021-11-25 19:59:07,981 INFO L138 BoogieDeclarations]: Found implementation of procedure rphy_to_ioc [2021-11-25 19:59:07,981 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_sas_device_pg0 [2021-11-25 19:59:07,982 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_sas_device_pg0 [2021-11-25 19:59:07,982 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_determine_boot_device [2021-11-25 19:59:07,982 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_determine_boot_device [2021-11-25 19:59:07,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:59:07,982 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_enclosure_pg0 [2021-11-25 19:59:07,982 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_enclosure_pg0 [2021-11-25 19:59:07,982 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-25 19:59:07,983 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-25 19:59:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure _config_display_some_debug [2021-11-25 19:59:07,983 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_display_some_debug [2021-11-25 19:59:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_sas_iounit_pg1 [2021-11-25 19:59:07,983 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_sas_iounit_pg1 [2021-11-25 19:59:07,983 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_sas_iounit_pg0 [2021-11-25 19:59:07,984 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_sas_iounit_pg0 [2021-11-25 19:59:07,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:59:07,984 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_physical_disk_event [2021-11-25 19:59:07,984 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_physical_disk_event [2021-11-25 19:59:07,984 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-11-25 19:59:07,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-11-25 19:59:07,984 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_phy_pg0 [2021-11-25 19:59:07,985 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_phy_pg0 [2021-11-25 19:59:07,985 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2021-11-25 19:59:07,985 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2021-11-25 19:59:07,985 INFO L130 BoogieDeclarations]: Found specification of procedure starget_for_each_device [2021-11-25 19:59:07,985 INFO L138 BoogieDeclarations]: Found implementation of procedure starget_for_each_device [2021-11-25 19:59:07,985 INFO L130 BoogieDeclarations]: Found specification of procedure _mpt3sas_fw_work [2021-11-25 19:59:07,985 INFO L138 BoogieDeclarations]: Found implementation of procedure _mpt3sas_fw_work [2021-11-25 19:59:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_volume_wwid [2021-11-25 19:59:07,986 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_volume_wwid [2021-11-25 19:59:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_2 [2021-11-25 19:59:07,986 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_2 [2021-11-25 19:59:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_31 [2021-11-25 19:59:07,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_31 [2021-11-25 19:59:07,986 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-11-25 19:59:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-25 19:59:07,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-25 19:59:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-25 19:59:07,987 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-25 19:59:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-11-25 19:59:07,987 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-11-25 19:59:07,987 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_raid_devices [2021-11-25 19:59:07,988 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_raid_devices [2021-11-25 19:59:07,988 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_scsi_enclosure_processor [2021-11-25 19:59:07,988 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_scsi_enclosure_processor [2021-11-25 19:59:07,988 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove [2021-11-25 19:59:07,988 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove [2021-11-25 19:59:07,988 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_for_devices_after_reset [2021-11-25 19:59:07,988 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_for_devices_after_reset [2021-11-25 19:59:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-25 19:59:07,989 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-25 19:59:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_expander_report_manufacture [2021-11-25 19:59:07,989 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_expander_report_manufacture [2021-11-25 19:59:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost___0 [2021-11-25 19:59:07,989 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost___0 [2021-11-25 19:59:07,989 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2021-11-25 19:59:07,990 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2021-11-25 19:59:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_port_add [2021-11-25 19:59:07,990 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_port_add [2021-11-25 19:59:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure _base_is_controller_msix_enabled [2021-11-25 19:59:07,990 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_is_controller_msix_enabled [2021-11-25 19:59:07,990 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-25 19:59:07,990 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-25 19:59:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-25 19:59:07,991 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-25 19:59:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-25 19:59:07,991 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-25 19:59:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_expander_find_by_sas_address [2021-11-25 19:59:07,991 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_expander_find_by_sas_address [2021-11-25 19:59:07,991 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_block [2021-11-25 19:59:07,992 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_block [2021-11-25 19:59:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_manufacturing_pg0 [2021-11-25 19:59:07,992 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_manufacturing_pg0 [2021-11-25 19:59:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_change_queue_depth [2021-11-25 19:59:07,992 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_change_queue_depth [2021-11-25 19:59:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_register_callback_handler [2021-11-25 19:59:07,993 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_register_callback_handler [2021-11-25 19:59:07,993 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_refresh_expander_links [2021-11-25 19:59:07,993 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_refresh_expander_links [2021-11-25 19:59:07,993 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-11-25 19:59:07,993 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-11-25 19:59:07,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:59:07,993 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_sense_buffer_dma [2021-11-25 19:59:07,994 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_sense_buffer_dma [2021-11-25 19:59:07,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 19:59:07,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 19:59:07,994 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_on_iocstate [2021-11-25 19:59:07,994 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_on_iocstate [2021-11-25 19:59:07,994 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_affinity_hint [2021-11-25 19:59:07,994 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_affinity_hint [2021-11-25 19:59:07,995 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_cleanup_queue [2021-11-25 19:59:07,995 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_cleanup_queue [2021-11-25 19:59:07,995 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_add [2021-11-25 19:59:07,995 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_add [2021-11-25 19:59:07,995 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-11-25 19:59:07,995 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-11-25 19:59:07,995 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_msg_frame [2021-11-25 19:59:07,996 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_msg_frame [2021-11-25 19:59:07,996 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2021-11-25 19:59:07,996 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2021-11-25 19:59:07,996 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-25 19:59:07,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-25 19:59:07,996 INFO L130 BoogieDeclarations]: Found specification of procedure phy_to_ioc [2021-11-25 19:59:07,996 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_to_ioc [2021-11-25 19:59:07,997 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_ioc_pg8 [2021-11-25 19:59:07,997 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_ioc_pg8 [2021-11-25 19:59:07,997 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2021-11-25 19:59:07,997 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2021-11-25 19:59:07,997 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_delete [2021-11-25 19:59:07,997 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_delete [2021-11-25 19:59:07,997 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_fault_info [2021-11-25 19:59:07,998 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_fault_info [2021-11-25 19:59:07,998 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-25 19:59:07,998 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-25 19:59:07,998 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_update_links [2021-11-25 19:59:07,998 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_update_links [2021-11-25 19:59:07,998 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-25 19:59:07,999 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-25 19:59:07,999 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove_unresponding_sas_devices [2021-11-25 19:59:07,999 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove_unresponding_sas_devices [2021-11-25 19:59:07,999 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-11-25 19:59:07,999 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-11-25 19:59:07,999 INFO L130 BoogieDeclarations]: Found specification of procedure _base_event_notification [2021-11-25 19:59:07,999 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_event_notification [2021-11-25 19:59:08,000 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_alloc [2021-11-25 19:59:08,000 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_alloc [2021-11-25 19:59:08,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 19:59:08,000 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 19:59:08,000 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2021-11-25 19:59:08,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2021-11-25 19:59:08,001 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_device [2021-11-25 19:59:08,001 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_device [2021-11-25 19:59:08,001 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-25 19:59:08,001 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-25 19:59:08,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-25 19:59:08,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-25 19:59:08,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 19:59:08,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 19:59:08,002 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_turn_on_pfa_led [2021-11-25 19:59:08,002 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_turn_on_pfa_led [2021-11-25 19:59:08,002 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_probe_sas [2021-11-25 19:59:08,002 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_probe_sas [2021-11-25 19:59:08,002 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-11-25 19:59:08,003 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-11-25 19:59:08,003 INFO L130 BoogieDeclarations]: Found specification of procedure _config_request [2021-11-25 19:59:08,003 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_request [2021-11-25 19:59:08,003 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2021-11-25 19:59:08,003 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2021-11-25 19:59:08,003 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_device_remove_by_handle [2021-11-25 19:59:08,003 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_device_remove_by_handle [2021-11-25 19:59:08,004 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-25 19:59:08,004 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-25 19:59:08,004 INFO L130 BoogieDeclarations]: Found specification of procedure _base_request_irq [2021-11-25 19:59:08,004 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_request_irq [2021-11-25 19:59:08,004 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2021-11-25 19:59:08,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2021-11-25 19:59:08,005 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_trigger_master [2021-11-25 19:59:08,005 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_trigger_master [2021-11-25 19:59:08,005 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_pci_error_detected [2021-11-25 19:59:08,005 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_pci_error_detected [2021-11-25 19:59:08,005 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_detach [2021-11-25 19:59:08,005 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_detach [2021-11-25 19:59:08,005 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_expanders [2021-11-25 19:59:08,006 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_expanders [2021-11-25 19:59:08,006 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_smid_hpr [2021-11-25 19:59:08,006 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_smid_hpr [2021-11-25 19:59:08,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 19:59:08,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 19:59:08,006 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_smid_scsiio [2021-11-25 19:59:08,006 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_smid_scsiio [2021-11-25 19:59:08,006 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2021-11-25 19:59:08,007 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2021-11-25 19:59:08,007 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_add_host_phy [2021-11-25 19:59:08,007 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_add_host_phy [2021-11-25 19:59:08,007 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_clear_tm_flag [2021-11-25 19:59:08,007 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_clear_tm_flag [2021-11-25 19:59:08,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:59:08,007 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_ready [2021-11-25 19:59:08,008 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_ready [2021-11-25 19:59:08,008 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-11-25 19:59:08,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-11-25 19:59:08,008 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_set_iounit_pg1 [2021-11-25 19:59:08,008 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_set_iounit_pg1 [2021-11-25 19:59:08,008 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-25 19:59:08,009 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-25 19:59:08,009 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-25 19:59:08,009 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-25 19:59:08,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 19:59:08,009 INFO L130 BoogieDeclarations]: Found specification of procedure _base_get_chain_buffer_tracker [2021-11-25 19:59:08,009 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_get_chain_buffer_tracker [2021-11-25 19:59:08,009 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-25 19:59:08,010 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-25 19:59:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-25 19:59:08,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-25 19:59:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_ioctl_main [2021-11-25 19:59:08,010 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_ioctl_main [2021-11-25 19:59:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 19:59:08,010 INFO L130 BoogieDeclarations]: Found specification of procedure bio_advance_iter [2021-11-25 19:59:08,010 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_advance_iter [2021-11-25 19:59:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-25 19:59:08,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-25 19:59:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure _base_disable_msix [2021-11-25 19:59:08,011 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_disable_msix [2021-11-25 19:59:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure _base_add_sg_single_ieee [2021-11-25 19:59:08,011 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_add_sg_single_ieee [2021-11-25 19:59:08,011 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_expander_find_by_handle [2021-11-25 19:59:08,012 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_expander_find_by_handle [2021-11-25 19:59:08,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 19:59:08,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 19:59:08,012 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_get_smid [2021-11-25 19:59:08,012 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_get_smid [2021-11-25 19:59:08,012 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_scsih_issue_tm [2021-11-25 19:59:08,012 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_scsih_issue_tm [2021-11-25 19:59:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-25 19:59:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-25 19:59:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_requests [2021-11-25 19:59:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_requests [2021-11-25 19:59:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_unblock [2021-11-25 19:59:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_unblock [2021-11-25 19:59:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-25 19:59:08,014 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-25 19:59:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_remove [2021-11-25 19:59:08,014 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_remove [2021-11-25 19:59:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_is_host_device [2021-11-25 19:59:08,014 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_is_host_device [2021-11-25 19:59:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_send_diag_release [2021-11-25 19:59:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_send_diag_release [2021-11-25 19:59:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_enable_diag_buffer [2021-11-25 19:59:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_enable_diag_buffer [2021-11-25 19:59:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_33 [2021-11-25 19:59:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_33 [2021-11-25 19:59:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2021-11-25 19:59:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2021-11-25 19:59:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-25 19:59:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-25 19:59:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_config_change_event [2021-11-25 19:59:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_config_change_event [2021-11-25 19:59:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_add [2021-11-25 19:59:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_add [2021-11-25 19:59:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_set_identify [2021-11-25 19:59:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_set_identify [2021-11-25 19:59:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 19:59:08,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 19:59:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_hide [2021-11-25 19:59:08,017 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_hide [2021-11-25 19:59:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_resync [2021-11-25 19:59:08,017 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_resync [2021-11-25 19:59:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_bios_pg3 [2021-11-25 19:59:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_bios_pg3 [2021-11-25 19:59:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_bios_pg2 [2021-11-25 19:59:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_bios_pg2 [2021-11-25 19:59:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_config [2021-11-25 19:59:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_config [2021-11-25 19:59:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-25 19:59:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-25 19:59:08,019 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_phys_disk_pg0 [2021-11-25 19:59:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_phys_disk_pg0 [2021-11-25 19:59:08,019 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-25 19:59:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-25 19:59:08,019 INFO L130 BoogieDeclarations]: Found specification of procedure _base_get_msix_index [2021-11-25 19:59:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_get_msix_index [2021-11-25 19:59:08,020 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-25 19:59:08,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-25 19:59:08,020 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-25 19:59:08,020 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-25 19:59:08,020 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2021-11-25 19:59:08,020 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2021-11-25 19:59:08,020 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_hard_reset_handler [2021-11-25 19:59:08,021 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_hard_reset_handler [2021-11-25 19:59:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_discovery_event [2021-11-25 19:59:08,021 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_discovery_event [2021-11-25 19:59:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_operational [2021-11-25 19:59:08,021 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_operational [2021-11-25 19:59:08,021 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-25 19:59:08,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-25 19:59:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 19:59:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_id [2021-11-25 19:59:08,022 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_id [2021-11-25 19:59:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 19:59:08,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 19:59:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_boot_device [2021-11-25 19:59:08,022 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_boot_device [2021-11-25 19:59:08,023 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-25 19:59:08,023 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-25 19:59:08,023 INFO L130 BoogieDeclarations]: Found specification of procedure int_to_scsilun [2021-11-25 19:59:08,023 INFO L138 BoogieDeclarations]: Found implementation of procedure int_to_scsilun [2021-11-25 19:59:08,023 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_expander_phy_control [2021-11-25 19:59:08,023 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_expander_phy_control [2021-11-25 19:59:08,023 INFO L130 BoogieDeclarations]: Found specification of procedure attribute_container_find_class_device [2021-11-25 19:59:08,024 INFO L138 BoogieDeclarations]: Found implementation of procedure attribute_container_find_class_device [2021-11-25 19:59:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2021-11-25 19:59:08,024 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2021-11-25 19:59:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_device_remove_by_sas_address [2021-11-25 19:59:08,024 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_device_remove_by_sas_address [2021-11-25 19:59:08,024 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-11-25 19:59:08,024 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-11-25 19:59:08,025 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_fasync [2021-11-25 19:59:08,025 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_fasync [2021-11-25 19:59:08,025 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_iterate_devices [2021-11-25 19:59:08,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_iterate_devices [2021-11-25 19:59:08,025 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_broadcast_primitive_event [2021-11-25 19:59:08,025 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_broadcast_primitive_event [2021-11-25 19:59:08,025 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-25 19:59:08,026 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-25 19:59:08,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_120 [2021-11-25 19:59:08,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_120 [2021-11-25 19:59:08,026 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-25 19:59:08,026 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-25 19:59:08,026 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 19:59:08,026 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 19:59:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_tm_display_info [2021-11-25 19:59:08,027 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_tm_display_info [2021-11-25 19:59:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_free [2021-11-25 19:59:08,027 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_free [2021-11-25 19:59:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_end_device [2021-11-25 19:59:08,027 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_end_device [2021-11-25 19:59:08,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_32 [2021-11-25 19:59:08,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_32 [2021-11-25 19:59:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_remove [2021-11-25 19:59:08,028 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_remove [2021-11-25 19:59:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_volume_event [2021-11-25 19:59:08,028 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_volume_event [2021-11-25 19:59:08,028 INFO L130 BoogieDeclarations]: Found specification of procedure _base_static_config_pages [2021-11-25 19:59:08,028 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_static_config_pages [2021-11-25 19:59:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 19:59:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_add_device [2021-11-25 19:59:08,029 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_add_device [2021-11-25 19:59:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_turn_off_pfa_led [2021-11-25 19:59:08,029 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_turn_off_pfa_led [2021-11-25 19:59:08,029 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_node_remove [2021-11-25 19:59:08,029 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_node_remove [2021-11-25 19:59:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure _base_mask_interrupts [2021-11-25 19:59:08,030 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_mask_interrupts [2021-11-25 19:59:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-25 19:59:08,030 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-25 19:59:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure _base_get_ioc_facts [2021-11-25 19:59:08,030 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_get_ioc_facts [2021-11-25 19:59:08,030 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-11-25 19:59:08,031 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-11-25 19:59:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-11-25 19:59:08,031 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-11-25 19:59:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_flush_running_cmds [2021-11-25 19:59:08,031 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_flush_running_cmds [2021-11-25 19:59:08,031 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_transport_port_remove [2021-11-25 19:59:08,032 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_transport_port_remove [2021-11-25 19:59:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~dma_addr_t~0~X~int~X~~dma_addr_t~0~X~int~TO~VOID [2021-11-25 19:59:08,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~dma_addr_t~0~X~int~X~~dma_addr_t~0~X~int~TO~VOID [2021-11-25 19:59:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2021-11-25 19:59:08,032 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2021-11-25 19:59:08,032 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_sas_devices [2021-11-25 19:59:08,032 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_sas_devices [2021-11-25 19:59:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_set_manufacturing_pg11 [2021-11-25 19:59:08,033 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_set_manufacturing_pg11 [2021-11-25 19:59:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_set_prot [2021-11-25 19:59:08,033 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_set_prot [2021-11-25 19:59:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure _base_fault_reset_work [2021-11-25 19:59:08,033 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_fault_reset_work [2021-11-25 19:59:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2021-11-25 19:59:08,034 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2021-11-25 19:59:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_find_by_handle [2021-11-25 19:59:08,034 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_find_by_handle [2021-11-25 19:59:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ir_fastpath [2021-11-25 19:59:08,034 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ir_fastpath [2021-11-25 19:59:08,034 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_add [2021-11-25 19:59:08,034 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_add [2021-11-25 19:59:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_update_missing_delay [2021-11-25 19:59:08,035 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_update_missing_delay [2021-11-25 19:59:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_delete_phy [2021-11-25 19:59:08,035 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_delete_phy [2021-11-25 19:59:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 19:59:08,035 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 19:59:08,035 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_poll [2021-11-25 19:59:08,036 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_poll [2021-11-25 19:59:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_send_trigger_data_event [2021-11-25 19:59:08,036 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_send_trigger_data_event [2021-11-25 19:59:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_ctl_add_to_event_log [2021-11-25 19:59:08,036 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_ctl_add_to_event_log [2021-11-25 19:59:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure param_get_int [2021-11-25 19:59:08,036 INFO L138 BoogieDeclarations]: Found implementation of procedure param_get_int [2021-11-25 19:59:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_delete [2021-11-25 19:59:08,037 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_delete [2021-11-25 19:59:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_target_destroy [2021-11-25 19:59:08,037 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_target_destroy [2021-11-25 19:59:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_pci_resume [2021-11-25 19:59:08,037 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_pci_resume [2021-11-25 19:59:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-25 19:59:08,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-25 19:59:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unblock_requests [2021-11-25 19:59:08,038 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unblock_requests [2021-11-25 19:59:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-25 19:59:08,038 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-25 19:59:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure _base_build_zero_len_sge_ieee [2021-11-25 19:59:08,038 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_build_zero_len_sge_ieee [2021-11-25 19:59:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_volume_handle [2021-11-25 19:59:08,039 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_volume_handle [2021-11-25 19:59:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_add_phy [2021-11-25 19:59:08,039 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_add_phy [2021-11-25 19:59:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_118 [2021-11-25 19:59:08,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_118 [2021-11-25 19:59:08,039 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_del_phy_from_an_existing_port [2021-11-25 19:59:08,040 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_del_phy_from_an_existing_port [2021-11-25 19:59:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_base_stop_watchdog [2021-11-25 19:59:08,040 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_base_stop_watchdog [2021-11-25 19:59:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_sas_node_find_by_sas_address [2021-11-25 19:59:08,040 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_sas_node_find_by_sas_address [2021-11-25 19:59:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-25 19:59:08,041 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-25 19:59:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure mpt3sas_config_get_number_hba_phys [2021-11-25 19:59:08,041 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt3sas_config_get_number_hba_phys [2021-11-25 19:59:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-25 19:59:08,041 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-25 19:59:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:59:08,041 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 19:59:08,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 19:59:08,042 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_add [2021-11-25 19:59:08,042 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_add [2021-11-25 19:59:08,042 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_print_command [2021-11-25 19:59:08,042 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_print_command [2021-11-25 19:59:08,042 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_response_code [2021-11-25 19:59:08,042 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_response_code [2021-11-25 19:59:08,043 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-25 19:59:08,043 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_pci_mmio_enabled [2021-11-25 19:59:08,043 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_pci_mmio_enabled [2021-11-25 19:59:10,524 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:59:10,531 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:59:11,177 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 19:59:43,218 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:59:55,846 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:59:55,847 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-25 19:59:55,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:59:55 BoogieIcfgContainer [2021-11-25 19:59:55,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:59:55,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:59:55,861 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:59:55,867 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:59:55,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:58:52" (1/3) ... [2021-11-25 19:59:55,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2306326d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:59:55, skipping insertion in model container [2021-11-25 19:59:55,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:59:05" (2/3) ... [2021-11-25 19:59:55,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2306326d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:59:55, skipping insertion in model container [2021-11-25 19:59:55,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:59:55" (3/3) ... [2021-11-25 19:59:55,875 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--mpt3sas--mpt3sas.ko-entry_point.cil.out.i [2021-11-25 19:59:55,882 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:59:55,882 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 19:59:55,968 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:59:55,978 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 19:59:55,979 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 19:59:56,124 INFO L276 IsEmpty]: Start isEmpty. Operand has 6239 states, 3870 states have (on average 1.3739018087855297) internal successors, (5317), 4088 states have internal predecessors, (5317), 2039 states have call successors, (2039), 329 states have call predecessors, (2039), 328 states have return successors, (2002), 1939 states have call predecessors, (2002), 2002 states have call successors, (2002) [2021-11-25 19:59:56,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-25 19:59:56,157 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:59:56,158 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, 1] [2021-11-25 19:59:56,159 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:59:56,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:59:56,165 INFO L85 PathProgramCache]: Analyzing trace with hash -404928040, now seen corresponding path program 1 times [2021-11-25 19:59:56,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:59:56,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044716627] [2021-11-25 19:59:56,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:59:56,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:59:57,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:59:57,782 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 19:59:57,783 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:59:57,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044716627] [2021-11-25 19:59:57,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044716627] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:59:57,784 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:59:57,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:59:57,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89590642] [2021-11-25 19:59:57,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:59:57,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:59:57,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:59:57,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:59:57,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:59:57,835 INFO L87 Difference]: Start difference. First operand has 6239 states, 3870 states have (on average 1.3739018087855297) internal successors, (5317), 4088 states have internal predecessors, (5317), 2039 states have call successors, (2039), 329 states have call predecessors, (2039), 328 states have return successors, (2002), 1939 states have call predecessors, (2002), 2002 states have call successors, (2002) Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2021-11-25 20:00:00,063 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:00:02,651 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:00:05,735 WARN L534 Checker$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 20:00:13,094 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:00:15,134 WARN L534 Checker$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 20:00:19,844 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:00:22,081 WARN L534 Checker$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 20:00:23,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:00:23,979 INFO L93 Difference]: Finished difference Result 18203 states and 28610 transitions. [2021-11-25 20:00:23,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:00:23,982 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 147 [2021-11-25 20:00:23,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:00:24,119 INFO L225 Difference]: With dead ends: 18203 [2021-11-25 20:00:24,119 INFO L226 Difference]: Without dead ends: 11844 [2021-11-25 20:00:24,202 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 20:00:24,205 INFO L933 BasicCegarLoop]: 10891 mSDtfsCounter, 8852 mSDsluCounter, 9605 mSDsCounter, 0 mSdLazyCounter, 1931 mSolverCounterSat, 5 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8856 SdHoareTripleChecker+Valid, 19593 SdHoareTripleChecker+Invalid, 1942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1931 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:00:24,206 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8856 Valid, 19593 Invalid, 1942 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 1931 Invalid, 6 Unknown, 0 Unchecked, 25.3s Time] [2021-11-25 20:00:24,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11844 states. [2021-11-25 20:00:25,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11844 to 11814. [2021-11-25 20:00:25,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11814 states, 7385 states have (on average 1.361408259986459) internal successors, (10054), 7731 states have internal predecessors, (10054), 3784 states have call successors, (3784), 645 states have call predecessors, (3784), 644 states have return successors, (4412), 3658 states have call predecessors, (4412), 3783 states have call successors, (4412) [2021-11-25 20:00:25,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11814 states to 11814 states and 18250 transitions. [2021-11-25 20:00:25,323 INFO L78 Accepts]: Start accepts. Automaton has 11814 states and 18250 transitions. Word has length 147 [2021-11-25 20:00:25,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:00:25,327 INFO L470 AbstractCegarLoop]: Abstraction has 11814 states and 18250 transitions. [2021-11-25 20:00:25,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2021-11-25 20:00:25,329 INFO L276 IsEmpty]: Start isEmpty. Operand 11814 states and 18250 transitions. [2021-11-25 20:00:25,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-25 20:00:25,349 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:00:25,350 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:00:25,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 20:00:25,351 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:00:25,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:00:25,353 INFO L85 PathProgramCache]: Analyzing trace with hash 562900603, now seen corresponding path program 1 times [2021-11-25 20:00:25,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:00:25,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895556603] [2021-11-25 20:00:25,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:00:25,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:00:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:00:26,630 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 20:00:26,630 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:00:26,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895556603] [2021-11-25 20:00:26,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895556603] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:00:26,632 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:00:26,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:00:26,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801163219] [2021-11-25 20:00:26,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:00:26,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:00:26,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:00:26,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:00:26,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:00:26,636 INFO L87 Difference]: Start difference. First operand 11814 states and 18250 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 20:00:28,843 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:00:32,058 WARN L534 Checker$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 20:00:37,229 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:00:40,909 WARN L534 Checker$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 20:00:43,930 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:00:44,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:00:44,827 INFO L93 Difference]: Finished difference Result 18205 states and 28278 transitions. [2021-11-25 20:00:44,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:00:44,828 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 155 [2021-11-25 20:00:44,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:00:44,993 INFO L225 Difference]: With dead ends: 18205 [2021-11-25 20:00:44,993 INFO L226 Difference]: Without dead ends: 18202 [2021-11-25 20:00:45,009 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 20:00:45,011 INFO L933 BasicCegarLoop]: 9758 mSDtfsCounter, 8256 mSDsluCounter, 6344 mSDsCounter, 0 mSdLazyCounter, 1568 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8259 SdHoareTripleChecker+Valid, 15471 SdHoareTripleChecker+Invalid, 1573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1568 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2021-11-25 20:00:45,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8259 Valid, 15471 Invalid, 1573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1568 Invalid, 4 Unknown, 0 Unchecked, 17.7s Time] [2021-11-25 20:00:45,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18202 states. [2021-11-25 20:00:45,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18202 to 17902. [2021-11-25 20:00:46,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17902 states, 11395 states have (on average 1.3681439227731462) internal successors, (15590), 11910 states have internal predecessors, (15590), 5470 states have call successors, (5470), 1061 states have call predecessors, (5470), 1036 states have return successors, (6680), 5209 states have call predecessors, (6680), 5469 states have call successors, (6680) [2021-11-25 20:00:46,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17902 states to 17902 states and 27740 transitions. [2021-11-25 20:00:46,358 INFO L78 Accepts]: Start accepts. Automaton has 17902 states and 27740 transitions. Word has length 155 [2021-11-25 20:00:46,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:00:46,359 INFO L470 AbstractCegarLoop]: Abstraction has 17902 states and 27740 transitions. [2021-11-25 20:00:46,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 20:00:46,359 INFO L276 IsEmpty]: Start isEmpty. Operand 17902 states and 27740 transitions. [2021-11-25 20:00:46,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-11-25 20:00:46,461 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:00:46,462 INFO L514 BasicCegarLoop]: trace histogram [10, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 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] [2021-11-25 20:00:46,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 20:00:46,462 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:00:46,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:00:46,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1282348541, now seen corresponding path program 1 times [2021-11-25 20:00:46,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:00:46,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437075253] [2021-11-25 20:00:46,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:00:46,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:00:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:00:47,507 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2021-11-25 20:00:47,507 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:00:47,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437075253] [2021-11-25 20:00:47,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437075253] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:00:47,507 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:00:47,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:00:47,508 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937586637] [2021-11-25 20:00:47,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:00:47,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:00:47,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:00:47,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:00:47,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:00:47,511 INFO L87 Difference]: Start difference. First operand 17902 states and 27740 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2021-11-25 20:00:49,709 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 20:00:52,573 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:00:55,993 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:00:58,691 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:01:01,244 WARN L534 Checker$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 20:01:06,256 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:01:08,853 WARN L534 Checker$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 20:01:11,979 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 20:01:13,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:01:13,552 INFO L93 Difference]: Finished difference Result 52021 states and 80572 transitions. [2021-11-25 20:01:13,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:01:13,553 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 316 [2021-11-25 20:01:13,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:01:13,753 INFO L225 Difference]: With dead ends: 52021 [2021-11-25 20:01:13,753 INFO L226 Difference]: Without dead ends: 34140 [2021-11-25 20:01:13,891 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 20:01:13,894 INFO L933 BasicCegarLoop]: 10322 mSDtfsCounter, 8552 mSDsluCounter, 9164 mSDsCounter, 0 mSdLazyCounter, 1895 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8554 SdHoareTripleChecker+Valid, 18588 SdHoareTripleChecker+Invalid, 1902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1895 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:01:13,895 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8554 Valid, 18588 Invalid, 1902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1895 Invalid, 6 Unknown, 0 Unchecked, 25.2s Time] [2021-11-25 20:01:13,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34140 states. [2021-11-25 20:01:15,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34140 to 34122. [2021-11-25 20:01:15,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34122 states, 21800 states have (on average 1.3696788990825688) internal successors, (29859), 22774 states have internal predecessors, (29859), 10327 states have call successors, (10327), 2040 states have call predecessors, (10327), 1994 states have return successors, (12656), 9827 states have call predecessors, (12656), 10326 states have call successors, (12656) [2021-11-25 20:01:16,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34122 states to 34122 states and 52842 transitions. [2021-11-25 20:01:16,429 INFO L78 Accepts]: Start accepts. Automaton has 34122 states and 52842 transitions. Word has length 316 [2021-11-25 20:01:16,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:01:16,430 INFO L470 AbstractCegarLoop]: Abstraction has 34122 states and 52842 transitions. [2021-11-25 20:01:16,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2021-11-25 20:01:16,431 INFO L276 IsEmpty]: Start isEmpty. Operand 34122 states and 52842 transitions. [2021-11-25 20:01:16,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2021-11-25 20:01:16,584 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:01:16,584 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 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] [2021-11-25 20:01:16,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 20:01:16,585 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:01:16,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:01:16,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1995937337, now seen corresponding path program 1 times [2021-11-25 20:01:16,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:01:16,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012058689] [2021-11-25 20:01:16,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:01:16,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:01:17,094 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:01:17,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [594441612] [2021-11-25 20:01:17,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:01:17,095 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:01:17,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:01:17,100 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:01:17,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 20:01:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:01:21,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 15168 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 20:01:21,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:01:22,500 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2021-11-25 20:01:22,500 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:01:22,500 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:01:22,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012058689] [2021-11-25 20:01:22,500 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:01:22,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594441612] [2021-11-25 20:01:22,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [594441612] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:01:22,501 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:01:22,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:01:22,501 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365154032] [2021-11-25 20:01:22,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:01:22,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:01:22,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:01:22,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:01:22,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:01:22,503 INFO L87 Difference]: Start difference. First operand 34122 states and 52842 transitions. Second operand has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 2 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2021-11-25 20:01:24,668 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:01:28,143 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:01:33,010 WARN L534 Checker$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 20:01:39,457 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:01:41,521 WARN L534 Checker$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 20:01:42,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:01:42,784 INFO L93 Difference]: Finished difference Result 68265 states and 109263 transitions. [2021-11-25 20:01:42,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:01:42,785 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 2 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 430 [2021-11-25 20:01:42,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:01:42,986 INFO L225 Difference]: With dead ends: 68265 [2021-11-25 20:01:42,986 INFO L226 Difference]: Without dead ends: 34164 [2021-11-25 20:01:43,355 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 428 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 20:01:43,358 INFO L933 BasicCegarLoop]: 8306 mSDtfsCounter, 6 mSDsluCounter, 9205 mSDsCounter, 0 mSdLazyCounter, 1820 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 16607 SdHoareTripleChecker+Invalid, 1827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1820 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:01:43,361 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 16607 Invalid, 1827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1820 Invalid, 5 Unknown, 0 Unchecked, 19.1s Time] [2021-11-25 20:01:43,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34164 states. [2021-11-25 20:01:45,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34164 to 34134. [2021-11-25 20:01:45,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34134 states, 21812 states have (on average 1.3694755180634512) internal successors, (29871), 22786 states have internal predecessors, (29871), 10327 states have call successors, (10327), 2040 states have call predecessors, (10327), 1994 states have return successors, (12656), 9827 states have call predecessors, (12656), 10326 states have call successors, (12656) [2021-11-25 20:01:45,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34134 states to 34134 states and 52854 transitions. [2021-11-25 20:01:45,699 INFO L78 Accepts]: Start accepts. Automaton has 34134 states and 52854 transitions. Word has length 430 [2021-11-25 20:01:45,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:01:45,701 INFO L470 AbstractCegarLoop]: Abstraction has 34134 states and 52854 transitions. [2021-11-25 20:01:45,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 2 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2021-11-25 20:01:45,702 INFO L276 IsEmpty]: Start isEmpty. Operand 34134 states and 52854 transitions. [2021-11-25 20:01:45,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2021-11-25 20:01:45,782 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:01:45,783 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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] [2021-11-25 20:01:45,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 20:01:46,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:01:46,012 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:01:46,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:01:46,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1154300324, now seen corresponding path program 1 times [2021-11-25 20:01:46,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:01:46,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222792476] [2021-11-25 20:01:46,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:01:46,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:01:46,743 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:01:46,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1311591678] [2021-11-25 20:01:46,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:01:46,744 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:01:46,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:01:46,747 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:01:46,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 20:01:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:01:50,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 15412 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 20:01:51,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:01:51,968 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2021-11-25 20:01:51,968 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:01:51,968 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:01:51,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222792476] [2021-11-25 20:01:51,969 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:01:51,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1311591678] [2021-11-25 20:01:51,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1311591678] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:01:51,969 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:01:51,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-25 20:01:51,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139005494] [2021-11-25 20:01:51,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:01:51,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-25 20:01:51,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:01:51,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-25 20:01:51,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-25 20:01:51,971 INFO L87 Difference]: Start difference. First operand 34134 states and 52854 transitions. Second operand has 8 states, 8 states have (on average 30.5) internal successors, (244), 6 states have internal predecessors, (244), 2 states have call successors, (71), 2 states have call predecessors, (71), 4 states have return successors, (61), 4 states have call predecessors, (61), 2 states have call successors, (61) [2021-11-25 20:01:54,153 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:01:57,156 WARN L534 Checker$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 20:01:59,280 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:02:10,903 WARN L534 Checker$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 20:02:13,488 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:02:15,392 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:02:22,031 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:02:25,299 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:02:27,952 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:02:35,335 WARN L534 Checker$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 20:02:37,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:02:37,817 INFO L93 Difference]: Finished difference Result 68343 states and 109607 transitions. [2021-11-25 20:02:37,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 20:02:37,818 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 30.5) internal successors, (244), 6 states have internal predecessors, (244), 2 states have call successors, (71), 2 states have call predecessors, (71), 4 states have return successors, (61), 4 states have call predecessors, (61), 2 states have call successors, (61) Word has length 463 [2021-11-25 20:02:37,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:02:38,010 INFO L225 Difference]: With dead ends: 68343 [2021-11-25 20:02:38,010 INFO L226 Difference]: Without dead ends: 34230 [2021-11-25 20:02:38,195 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 463 GetRequests, 456 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-25 20:02:38,196 INFO L933 BasicCegarLoop]: 8330 mSDtfsCounter, 9 mSDsluCounter, 55398 mSDsCounter, 0 mSdLazyCounter, 6417 mSolverCounterSat, 9 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 58285 SdHoareTripleChecker+Invalid, 6433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 6417 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.4s IncrementalHoareTripleChecker+Time [2021-11-25 20:02:38,197 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 58285 Invalid, 6433 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 6417 Invalid, 7 Unknown, 0 Unchecked, 44.4s Time] [2021-11-25 20:02:38,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34230 states. [2021-11-25 20:02:39,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34230 to 34212. [2021-11-25 20:02:39,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34212 states, 21865 states have (on average 1.3685799222501716) internal successors, (29924), 22840 states have internal predecessors, (29924), 10339 states have call successors, (10339), 2040 states have call predecessors, (10339), 2007 states have return successors, (12698), 9851 states have call predecessors, (12698), 10338 states have call successors, (12698) [2021-11-25 20:02:40,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34212 states to 34212 states and 52961 transitions. [2021-11-25 20:02:40,194 INFO L78 Accepts]: Start accepts. Automaton has 34212 states and 52961 transitions. Word has length 463 [2021-11-25 20:02:40,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:02:40,533 INFO L470 AbstractCegarLoop]: Abstraction has 34212 states and 52961 transitions. [2021-11-25 20:02:40,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 30.5) internal successors, (244), 6 states have internal predecessors, (244), 2 states have call successors, (71), 2 states have call predecessors, (71), 4 states have return successors, (61), 4 states have call predecessors, (61), 2 states have call successors, (61) [2021-11-25 20:02:40,533 INFO L276 IsEmpty]: Start isEmpty. Operand 34212 states and 52961 transitions. [2021-11-25 20:02:40,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 605 [2021-11-25 20:02:40,711 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:02:40,712 INFO L514 BasicCegarLoop]: trace histogram [14, 9, 9, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:02:40,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 20:02:40,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:02:40,933 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:02:40,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:02:40,934 INFO L85 PathProgramCache]: Analyzing trace with hash 132902710, now seen corresponding path program 1 times [2021-11-25 20:02:40,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:02:40,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670539077] [2021-11-25 20:02:40,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:02:40,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:02:41,398 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:02:41,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [799870659] [2021-11-25 20:02:41,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:02:41,399 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:02:41,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:02:41,400 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:02:41,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 20:02:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:02:46,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 16297 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 20:02:46,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:02:47,084 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2021-11-25 20:02:47,084 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:02:47,084 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:02:47,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670539077] [2021-11-25 20:02:47,085 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:02:47,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799870659] [2021-11-25 20:02:47,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799870659] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:02:47,085 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:02:47,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:02:47,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426088860] [2021-11-25 20:02:47,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:02:47,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:02:47,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:02:47,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:02:47,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:02:47,089 INFO L87 Difference]: Start difference. First operand 34212 states and 52961 transitions. Second operand has 4 states, 3 states have (on average 96.33333333333333) internal successors, (289), 4 states have internal predecessors, (289), 2 states have call successors, (96), 2 states have call predecessors, (96), 3 states have return successors, (87), 2 states have call predecessors, (87), 2 states have call successors, (87) [2021-11-25 20:02:49,342 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:02:51,892 WARN L534 Checker$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 20:02:59,661 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:03:03,026 WARN L534 Checker$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 20:03:05,657 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:03:07,061 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:03:12,464 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:03:14,534 WARN L534 Checker$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 20:03:16,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:03:16,207 INFO L93 Difference]: Finished difference Result 68411 states and 109463 transitions. [2021-11-25 20:03:16,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:03:16,212 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 96.33333333333333) internal successors, (289), 4 states have internal predecessors, (289), 2 states have call successors, (96), 2 states have call predecessors, (96), 3 states have return successors, (87), 2 states have call predecessors, (87), 2 states have call successors, (87) Word has length 604 [2021-11-25 20:03:16,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:03:16,597 INFO L225 Difference]: With dead ends: 68411 [2021-11-25 20:03:16,597 INFO L226 Difference]: Without dead ends: 34216 [2021-11-25 20:03:16,781 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 604 GetRequests, 601 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:03:16,782 INFO L933 BasicCegarLoop]: 8306 mSDtfsCounter, 1 mSDsluCounter, 18409 mSDsCounter, 0 mSdLazyCounter, 2724 mSolverCounterSat, 3 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 24908 SdHoareTripleChecker+Invalid, 2734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2724 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.9s IncrementalHoareTripleChecker+Time [2021-11-25 20:03:16,783 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 24908 Invalid, 2734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2724 Invalid, 7 Unknown, 0 Unchecked, 27.9s Time] [2021-11-25 20:03:16,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34216 states. [2021-11-25 20:03:18,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34216 to 34216. [2021-11-25 20:03:18,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34216 states, 21869 states have (on average 1.3685125062874388) internal successors, (29928), 22844 states have internal predecessors, (29928), 10339 states have call successors, (10339), 2040 states have call predecessors, (10339), 2007 states have return successors, (12698), 9851 states have call predecessors, (12698), 10338 states have call successors, (12698) [2021-11-25 20:03:18,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34216 states to 34216 states and 52965 transitions. [2021-11-25 20:03:18,312 INFO L78 Accepts]: Start accepts. Automaton has 34216 states and 52965 transitions. Word has length 604 [2021-11-25 20:03:18,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:03:18,313 INFO L470 AbstractCegarLoop]: Abstraction has 34216 states and 52965 transitions. [2021-11-25 20:03:18,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 96.33333333333333) internal successors, (289), 4 states have internal predecessors, (289), 2 states have call successors, (96), 2 states have call predecessors, (96), 3 states have return successors, (87), 2 states have call predecessors, (87), 2 states have call successors, (87) [2021-11-25 20:03:18,314 INFO L276 IsEmpty]: Start isEmpty. Operand 34216 states and 52965 transitions. [2021-11-25 20:03:18,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 698 [2021-11-25 20:03:18,631 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:03:18,632 INFO L514 BasicCegarLoop]: trace histogram [14, 12, 12, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:03:18,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 20:03:18,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-25 20:03:18,859 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:03:18,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:03:18,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1439288537, now seen corresponding path program 1 times [2021-11-25 20:03:18,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:03:18,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442834707] [2021-11-25 20:03:18,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:03:18,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:03:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:03:20,062 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:03:20,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442834707] [2021-11-25 20:03:20,063 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2021-11-25 20:03:20,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1811260651] [2021-11-25 20:03:20,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:03:20,063 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:03:20,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:03:20,067 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:03:20,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 20:03:24,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:03:24,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 16742 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 20:03:24,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:03:25,959 INFO L134 CoverageAnalysis]: Checked inductivity of 974 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 599 trivial. 0 not checked. [2021-11-25 20:03:25,959 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:03:25,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1811260651] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:03:25,959 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:03:25,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:03:25,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887563569] [2021-11-25 20:03:25,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:03:25,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:03:25,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:03:25,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:03:25,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:03:25,962 INFO L87 Difference]: Start difference. First operand 34216 states and 52965 transitions. Second operand has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 3 states have call successors, (109), 3 states have call predecessors, (109), 3 states have return successors, (104), 3 states have call predecessors, (104), 3 states have call successors, (104) [2021-11-25 20:03:28,104 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:03:32,976 WARN L534 Checker$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 20:03:37,780 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:03:42,001 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:03:45,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:03:45,490 INFO L93 Difference]: Finished difference Result 99529 states and 154158 transitions. [2021-11-25 20:03:45,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:03:45,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 3 states have call successors, (109), 3 states have call predecessors, (109), 3 states have return successors, (104), 3 states have call predecessors, (104), 3 states have call successors, (104) Word has length 697 [2021-11-25 20:03:45,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:03:46,077 INFO L225 Difference]: With dead ends: 99529 [2021-11-25 20:03:46,079 INFO L226 Difference]: Without dead ends: 65334 [2021-11-25 20:03:46,279 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 696 GetRequests, 695 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 20:03:46,281 INFO L933 BasicCegarLoop]: 10060 mSDtfsCounter, 8079 mSDsluCounter, 9190 mSDsCounter, 0 mSdLazyCounter, 1855 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8082 SdHoareTripleChecker+Valid, 18344 SdHoareTripleChecker+Invalid, 1865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1855 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2021-11-25 20:03:46,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8082 Valid, 18344 Invalid, 1865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1855 Invalid, 3 Unknown, 0 Unchecked, 17.7s Time] [2021-11-25 20:03:46,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65334 states. [2021-11-25 20:03:48,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65334 to 65323. [2021-11-25 20:03:48,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65323 states, 41925 states have (on average 1.371973762671437) internal successors, (57520), 43846 states have internal predecessors, (57520), 19498 states have call successors, (19498), 3960 states have call predecessors, (19498), 3899 states have return successors, (24139), 18548 states have call predecessors, (24139), 19497 states have call successors, (24139) [2021-11-25 20:03:49,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65323 states to 65323 states and 101157 transitions. [2021-11-25 20:03:49,272 INFO L78 Accepts]: Start accepts. Automaton has 65323 states and 101157 transitions. Word has length 697 [2021-11-25 20:03:49,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:03:49,273 INFO L470 AbstractCegarLoop]: Abstraction has 65323 states and 101157 transitions. [2021-11-25 20:03:49,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 3 states have call successors, (109), 3 states have call predecessors, (109), 3 states have return successors, (104), 3 states have call predecessors, (104), 3 states have call successors, (104) [2021-11-25 20:03:49,273 INFO L276 IsEmpty]: Start isEmpty. Operand 65323 states and 101157 transitions. [2021-11-25 20:03:49,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2021-11-25 20:03:49,348 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:03:49,349 INFO L514 BasicCegarLoop]: trace histogram [14, 10, 10, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:03:49,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-25 20:03:49,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-25 20:03:49,563 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:03:49,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:03:49,564 INFO L85 PathProgramCache]: Analyzing trace with hash 549426127, now seen corresponding path program 1 times [2021-11-25 20:03:49,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:03:49,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242555432] [2021-11-25 20:03:49,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:03:49,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:03:50,146 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:03:50,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1518770777] [2021-11-25 20:03:50,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:03:50,147 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:03:50,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:03:50,148 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:03:50,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-25 20:03:54,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:03:54,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 16518 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 20:03:54,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:03:55,827 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2021-11-25 20:03:55,827 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:03:55,827 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:03:55,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242555432] [2021-11-25 20:03:55,828 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:03:55,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518770777] [2021-11-25 20:03:55,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518770777] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:03:55,828 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:03:55,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:03:55,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325012554] [2021-11-25 20:03:55,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:03:55,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:03:55,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:03:55,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:03:55,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:03:55,834 INFO L87 Difference]: Start difference. First operand 65323 states and 101157 transitions. Second operand has 4 states, 3 states have (on average 102.0) internal successors, (306), 4 states have internal predecessors, (306), 2 states have call successors, (100), 2 states have call predecessors, (100), 3 states have return successors, (91), 2 states have call predecessors, (91), 2 states have call successors, (91) [2021-11-25 20:03:57,974 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:04:05,482 WARN L534 Checker$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 20:04:07,911 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:04:10,382 WARN L534 Checker$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 20:04:12,530 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:04:18,317 WARN L534 Checker$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 20:04:20,368 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 20:04:24,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:04:24,663 INFO L93 Difference]: Finished difference Result 130641 states and 209229 transitions. [2021-11-25 20:04:24,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:04:24,664 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 102.0) internal successors, (306), 4 states have internal predecessors, (306), 2 states have call successors, (100), 2 states have call predecessors, (100), 3 states have return successors, (91), 2 states have call predecessors, (91), 2 states have call successors, (91) Word has length 640 [2021-11-25 20:04:24,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:04:24,993 INFO L225 Difference]: With dead ends: 130641 [2021-11-25 20:04:24,993 INFO L226 Difference]: Without dead ends: 65331 [2021-11-25 20:04:25,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 640 GetRequests, 637 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:04:25,572 INFO L933 BasicCegarLoop]: 8306 mSDtfsCounter, 1 mSDsluCounter, 18417 mSDsCounter, 0 mSdLazyCounter, 2724 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 24912 SdHoareTripleChecker+Invalid, 2732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2724 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.4s IncrementalHoareTripleChecker+Time [2021-11-25 20:04:25,572 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 24912 Invalid, 2732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2724 Invalid, 7 Unknown, 0 Unchecked, 26.4s Time] [2021-11-25 20:04:25,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65331 states. [2021-11-25 20:04:27,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65331 to 65331. [2021-11-25 20:04:27,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65331 states, 41933 states have (on average 1.3719027973195335) internal successors, (57528), 43854 states have internal predecessors, (57528), 19498 states have call successors, (19498), 3960 states have call predecessors, (19498), 3899 states have return successors, (24139), 18548 states have call predecessors, (24139), 19497 states have call successors, (24139) [2021-11-25 20:04:28,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65331 states to 65331 states and 101165 transitions. [2021-11-25 20:04:28,560 INFO L78 Accepts]: Start accepts. Automaton has 65331 states and 101165 transitions. Word has length 640 [2021-11-25 20:04:28,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:04:28,562 INFO L470 AbstractCegarLoop]: Abstraction has 65331 states and 101165 transitions. [2021-11-25 20:04:28,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 102.0) internal successors, (306), 4 states have internal predecessors, (306), 2 states have call successors, (100), 2 states have call predecessors, (100), 3 states have return successors, (91), 2 states have call predecessors, (91), 2 states have call successors, (91) [2021-11-25 20:04:28,562 INFO L276 IsEmpty]: Start isEmpty. Operand 65331 states and 101165 transitions. [2021-11-25 20:04:28,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 649 [2021-11-25 20:04:28,661 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:04:28,662 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:04:28,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-25 20:04:28,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-11-25 20:04:28,875 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:04:28,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:04:28,876 INFO L85 PathProgramCache]: Analyzing trace with hash 416159170, now seen corresponding path program 1 times [2021-11-25 20:04:28,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:04:28,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388056181] [2021-11-25 20:04:28,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:04:28,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:04:29,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:04:29,887 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:04:29,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388056181] [2021-11-25 20:04:29,887 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2021-11-25 20:04:29,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737568810] [2021-11-25 20:04:29,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:04:29,888 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:04:29,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:04:29,891 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:04:29,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-25 20:04:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:04:34,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 16359 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 20:04:34,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:04:35,492 INFO L134 CoverageAnalysis]: Checked inductivity of 960 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2021-11-25 20:04:35,492 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:04:35,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737568810] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:04:35,493 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:04:35,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:04:35,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678404534] [2021-11-25 20:04:35,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:04:35,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:04:35,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:04:35,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:04:35,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:04:35,495 INFO L87 Difference]: Start difference. First operand 65331 states and 101165 transitions. Second operand has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 3 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (87), 3 states have call predecessors, (87), 3 states have call successors, (87) [2021-11-25 20:04:37,625 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 20:04:43,010 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:04:46,146 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:04:48,392 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:04:50,795 WARN L534 Checker$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 20:04:54,563 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 20:04:59,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:04:59,698 INFO L93 Difference]: Finished difference Result 189942 states and 293714 transitions. [2021-11-25 20:04:59,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:04:59,699 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 3 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (87), 3 states have call predecessors, (87), 3 states have call successors, (87) Word has length 648 [2021-11-25 20:04:59,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:05:00,588 INFO L225 Difference]: With dead ends: 189942 [2021-11-25 20:05:00,589 INFO L226 Difference]: Without dead ends: 124632 [2021-11-25 20:05:00,871 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 647 GetRequests, 646 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 20:05:00,872 INFO L933 BasicCegarLoop]: 10812 mSDtfsCounter, 8140 mSDsluCounter, 9190 mSDsCounter, 0 mSdLazyCounter, 1943 mSolverCounterSat, 8 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8143 SdHoareTripleChecker+Valid, 19100 SdHoareTripleChecker+Invalid, 1956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1943 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2021-11-25 20:05:00,872 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8143 Valid, 19100 Invalid, 1956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1943 Invalid, 5 Unknown, 0 Unchecked, 20.6s Time] [2021-11-25 20:05:00,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124632 states. [2021-11-25 20:05:05,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124632 to 124113. [2021-11-25 20:05:06,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124113 states, 79445 states have (on average 1.3660771602995783) internal successors, (108528), 83162 states have internal predecessors, (108528), 37078 states have call successors, (37078), 7710 states have call predecessors, (37078), 7589 states have return successors, (46151), 35256 states have call predecessors, (46151), 37077 states have call successors, (46151) [2021-11-25 20:05:07,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124113 states to 124113 states and 191757 transitions. [2021-11-25 20:05:07,597 INFO L78 Accepts]: Start accepts. Automaton has 124113 states and 191757 transitions. Word has length 648 [2021-11-25 20:05:07,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:05:07,598 INFO L470 AbstractCegarLoop]: Abstraction has 124113 states and 191757 transitions. [2021-11-25 20:05:07,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 3 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (87), 3 states have call predecessors, (87), 3 states have call successors, (87) [2021-11-25 20:05:07,599 INFO L276 IsEmpty]: Start isEmpty. Operand 124113 states and 191757 transitions. [2021-11-25 20:05:07,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2021-11-25 20:05:07,782 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:05:07,782 INFO L514 BasicCegarLoop]: trace histogram [14, 8, 8, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:05:07,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-25 20:05:07,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:05:07,983 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:05:07,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:05:07,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1361364127, now seen corresponding path program 1 times [2021-11-25 20:05:07,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:05:07,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682592685] [2021-11-25 20:05:07,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:05:07,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:05:08,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:05:08,791 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:05:08,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682592685] [2021-11-25 20:05:08,791 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2021-11-25 20:05:08,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375574941] [2021-11-25 20:05:08,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:05:08,792 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:05:08,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:05:08,794 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:05:08,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adee7cb5-d8a0-44f3-9cff-91346bac755b/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-25 20:05:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:05:13,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 16020 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 20:05:13,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:05:14,361 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 503 trivial. 0 not checked. [2021-11-25 20:05:14,361 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:05:14,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375574941] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:05:14,362 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:05:14,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:05:14,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894931333] [2021-11-25 20:05:14,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:05:14,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:05:14,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:05:14,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:05:14,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:05:14,364 INFO L87 Difference]: Start difference. First operand 124113 states and 191757 transitions. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 2 states have call successors, (91), 2 states have call predecessors, (91), 2 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) [2021-11-25 20:05:16,508 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:05:21,779 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:05:23,833 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:05:27,156 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:05:37,369 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:05:39,806 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 []