./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--mpt2sas--mpt2sas.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--mpt2sas--mpt2sas.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5c16cf8fa2e0f32ab758649443033c46fe6b3528506b9f85f83932763bcf4405 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:33:26,020 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:33:26,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:33:26,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:33:26,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:33:26,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:33:26,087 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:33:26,091 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:33:26,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:33:26,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:33:26,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:33:26,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:33:26,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:33:26,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:33:26,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:33:26,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:33:26,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:33:26,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:33:26,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:33:26,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:33:26,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:33:26,131 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:33:26,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:33:26,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:33:26,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:33:26,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:33:26,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:33:26,148 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:33:26,149 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:33:26,150 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:33:26,151 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:33:26,152 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:33:26,154 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:33:26,155 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:33:26,157 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:33:26,157 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:33:26,158 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:33:26,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:33:26,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:33:26,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:33:26,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:33:26,162 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-21 00:33:26,207 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:33:26,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:33:26,208 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:33:26,208 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:33:26,209 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:33:26,210 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:33:26,210 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:33:26,210 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:33:26,210 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:33:26,211 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:33:26,212 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:33:26,212 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:33:26,212 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:33:26,213 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:33:26,213 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:33:26,213 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:33:26,213 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:33:26,214 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:33:26,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:33:26,215 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:33:26,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:33:26,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:33:26,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:33:26,216 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:33:26,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:33:26,216 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:33:26,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:33:26,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:33:26,218 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:33:26,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:33:26,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:33:26,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:33:26,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:33:26,220 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:33:26,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:33:26,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:33:26,220 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:33:26,221 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:33:26,221 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_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c16cf8fa2e0f32ab758649443033c46fe6b3528506b9f85f83932763bcf4405 [2021-11-21 00:33:26,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:33:26,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:33:26,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:33:26,505 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:33:26,506 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:33:26,507 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--mpt2sas--mpt2sas.ko-entry_point.cil.out.i [2021-11-21 00:33:26,588 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/bin/utaipan-TEXQjIfE4P/data/dd8173f02/e3bb404fe6a3479d96fbec527709761d/FLAG2049ac110 [2021-11-21 00:33:27,902 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:33:27,903 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--mpt2sas--mpt2sas.ko-entry_point.cil.out.i [2021-11-21 00:33:28,052 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/bin/utaipan-TEXQjIfE4P/data/dd8173f02/e3bb404fe6a3479d96fbec527709761d/FLAG2049ac110 [2021-11-21 00:33:28,414 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/bin/utaipan-TEXQjIfE4P/data/dd8173f02/e3bb404fe6a3479d96fbec527709761d [2021-11-21 00:33:28,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:33:28,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:33:28,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:33:28,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:33:28,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:33:28,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:33:28" (1/1) ... [2021-11-21 00:33:28,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46504836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:28, skipping insertion in model container [2021-11-21 00:33:28,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:33:28" (1/1) ... [2021-11-21 00:33:28,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:33:28,807 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:33:38,982 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_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--mpt2sas--mpt2sas.ko-entry_point.cil.out.i[988685,988698] [2021-11-21 00:33:39,134 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:33:39,209 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:33:40,513 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_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--mpt2sas--mpt2sas.ko-entry_point.cil.out.i[988685,988698] [2021-11-21 00:33:40,528 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:33:40,955 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:33:40,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:40 WrapperNode [2021-11-21 00:33:40,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:33:40,957 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:33:40,957 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:33:40,958 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:33:40,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:40" (1/1) ... [2021-11-21 00:33:41,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:40" (1/1) ... [2021-11-21 00:33:42,048 INFO L137 Inliner]: procedures = 808, calls = 11745, calls flagged for inlining = 364, calls inlined = 322, statements flattened = 23600 [2021-11-21 00:33:42,050 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:33:42,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:33:42,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:33:42,051 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:33:42,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:40" (1/1) ... [2021-11-21 00:33:42,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:40" (1/1) ... [2021-11-21 00:33:42,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:40" (1/1) ... [2021-11-21 00:33:42,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:40" (1/1) ... [2021-11-21 00:33:42,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:40" (1/1) ... [2021-11-21 00:33:43,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:40" (1/1) ... [2021-11-21 00:33:43,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:40" (1/1) ... [2021-11-21 00:33:43,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:33:43,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:33:43,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:33:43,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:33:43,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:40" (1/1) ... [2021-11-21 00:33:43,427 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:33:43,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:33:43,452 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:33:43,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:33:43,583 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_expander_remove [2021-11-21 00:33:43,583 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_expander_remove [2021-11-21 00:33:43,584 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_state [2021-11-21 00:33:43,584 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_state [2021-11-21 00:33:43,584 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_init_warpdrive_properties [2021-11-21 00:33:43,584 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_init_warpdrive_properties [2021-11-21 00:33:43,584 INFO L130 BoogieDeclarations]: Found specification of procedure _base_handshake_req_reply_wait [2021-11-21 00:33:43,584 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_handshake_req_reply_wait [2021-11-21 00:33:43,584 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-11-21 00:33:43,584 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-11-21 00:33:43,585 INFO L130 BoogieDeclarations]: Found specification of procedure _base_writeq [2021-11-21 00:33:43,585 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_writeq [2021-11-21 00:33:43,585 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_topology_change_event [2021-11-21 00:33:43,585 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_topology_change_event [2021-11-21 00:33:43,585 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_free [2021-11-21 00:33:43,585 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_free [2021-11-21 00:33:43,585 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-21 00:33:43,585 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-21 00:33:43,586 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-21 00:33:43,586 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-21 00:33:43,586 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2021-11-21 00:33:43,586 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2021-11-21 00:33:43,586 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_do_mpt_command [2021-11-21 00:33:43,586 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_do_mpt_command [2021-11-21 00:33:43,586 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_add [2021-11-21 00:33:43,586 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_add [2021-11-21 00:33:43,587 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_number_pds [2021-11-21 00:33:43,587 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_number_pds [2021-11-21 00:33:43,587 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_update_missing_delay [2021-11-21 00:33:43,587 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_update_missing_delay [2021-11-21 00:33:43,587 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_start [2021-11-21 00:33:43,587 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_start [2021-11-21 00:33:43,587 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-21 00:33:43,587 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-21 00:33:43,588 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_add [2021-11-21 00:33:43,588 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_add [2021-11-21 00:33:43,588 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_slave_destroy [2021-11-21 00:33:43,589 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_slave_destroy [2021-11-21 00:33:43,589 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_device [2021-11-21 00:33:43,589 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_device [2021-11-21 00:33:43,589 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-21 00:33:43,589 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-21 00:33:43,589 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2021-11-21 00:33:43,590 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2021-11-21 00:33:43,590 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ir_shutdown [2021-11-21 00:33:43,590 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ir_shutdown [2021-11-21 00:33:43,590 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-21 00:33:43,591 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-21 00:33:43,591 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-21 00:33:43,591 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-21 00:33:43,592 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-21 00:33:43,592 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-21 00:33:43,592 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_phy_reset [2021-11-21 00:33:43,593 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_phy_reset [2021-11-21 00:33:43,593 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_add [2021-11-21 00:33:43,593 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_add [2021-11-21 00:33:43,593 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove_device [2021-11-21 00:33:43,593 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove_device [2021-11-21 00:33:43,593 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_volume_wwid [2021-11-21 00:33:43,594 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_volume_wwid [2021-11-21 00:33:43,594 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_host_with_dma [2021-11-21 00:33:43,595 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_host_with_dma [2021-11-21 00:33:43,595 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_target [2021-11-21 00:33:43,595 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_target [2021-11-21 00:33:43,595 INFO L130 BoogieDeclarations]: Found specification of procedure _base_unmask_events [2021-11-21 00:33:43,595 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_unmask_events [2021-11-21 00:33:43,595 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-21 00:33:43,596 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-21 00:33:43,596 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_shutdown [2021-11-21 00:33:43,596 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_shutdown [2021-11-21 00:33:43,596 INFO L130 BoogieDeclarations]: Found specification of procedure _base_free_irq [2021-11-21 00:33:43,596 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_free_irq [2021-11-21 00:33:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure raid_class_release [2021-11-21 00:33:43,597 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_class_release [2021-11-21 00:33:43,597 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-21 00:33:43,598 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-21 00:33:43,598 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_release_callback_handler [2021-11-21 00:33:43,598 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_release_callback_handler [2021-11-21 00:33:43,598 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_display_some_debug [2021-11-21 00:33:43,598 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_display_some_debug [2021-11-21 00:33:43,598 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-21 00:33:43,599 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-21 00:33:43,599 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_pci_slot_reset [2021-11-21 00:33:43,600 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_pci_slot_reset [2021-11-21 00:33:43,600 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_probe_raid [2021-11-21 00:33:43,600 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_probe_raid [2021-11-21 00:33:43,600 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_ack [2021-11-21 00:33:43,600 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_ack [2021-11-21 00:33:43,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:33:43,601 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_manufacturing_pg0 [2021-11-21 00:33:43,601 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_manufacturing_pg0 [2021-11-21 00:33:43,602 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_device [2021-11-21 00:33:43,602 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_device [2021-11-21 00:33:43,602 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_detach [2021-11-21 00:33:43,603 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_detach [2021-11-21 00:33:43,603 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_manufacturing_pg10 [2021-11-21 00:33:43,603 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_manufacturing_pg10 [2021-11-21 00:33:43,603 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-11-21 00:33:43,603 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-11-21 00:33:43,603 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scsi_lookup_get_clear [2021-11-21 00:33:43,604 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scsi_lookup_get_clear [2021-11-21 00:33:43,604 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-21 00:33:43,604 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-21 00:33:43,604 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_capability [2021-11-21 00:33:43,604 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_capability [2021-11-21 00:33:43,605 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf [2021-11-21 00:33:43,605 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf [2021-11-21 00:33:43,605 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-21 00:33:43,605 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-21 00:33:43,605 INFO L130 BoogieDeclarations]: Found specification of procedure sas_is_tlr_enabled [2021-11-21 00:33:43,606 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_is_tlr_enabled [2021-11-21 00:33:43,607 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-21 00:33:43,609 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-21 00:33:43,609 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-21 00:33:43,609 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-21 00:33:43,610 INFO L130 BoogieDeclarations]: Found specification of procedure _firmware_event_work [2021-11-21 00:33:43,611 INFO L138 BoogieDeclarations]: Found implementation of procedure _firmware_event_work [2021-11-21 00:33:43,611 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-11-21 00:33:43,611 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-11-21 00:33:43,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_30 [2021-11-21 00:33:43,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_30 [2021-11-21 00:33:43,619 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2021-11-21 00:33:43,620 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2021-11-21 00:33:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_target [2021-11-21 00:33:43,620 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_target [2021-11-21 00:33:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-21 00:33:43,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-21 00:33:43,620 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-11-21 00:33:43,620 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-11-21 00:33:43,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:33:43,621 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_convert_phy_link_rate [2021-11-21 00:33:43,621 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_convert_phy_link_rate [2021-11-21 00:33:43,621 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-21 00:33:43,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-21 00:33:43,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:33:43,621 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-21 00:33:43,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-21 00:33:43,622 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_sas_address [2021-11-21 00:33:43,622 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_sas_address [2021-11-21 00:33:43,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:33:43,622 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_sanity_check [2021-11-21 00:33:43,622 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_sanity_check [2021-11-21 00:33:43,622 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-21 00:33:43,622 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-11-21 00:33:43,623 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-11-21 00:33:43,623 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_refresh [2021-11-21 00:33:43,623 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_refresh [2021-11-21 00:33:43,623 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_wwid [2021-11-21 00:33:43,623 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_wwid [2021-11-21 00:33:43,623 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_scsi_enclosure_processor [2021-11-21 00:33:43,623 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_scsi_enclosure_processor [2021-11-21 00:33:43,624 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_int [2021-11-21 00:33:43,624 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_int [2021-11-21 00:33:43,624 INFO L130 BoogieDeclarations]: Found specification of procedure param_set_int [2021-11-21 00:33:43,624 INFO L138 BoogieDeclarations]: Found implementation of procedure param_set_int [2021-11-21 00:33:43,624 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-21 00:33:43,624 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-21 00:33:43,624 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_bytes [2021-11-21 00:33:43,625 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_bytes [2021-11-21 00:33:43,625 INFO L130 BoogieDeclarations]: Found specification of procedure sas_release_transport [2021-11-21 00:33:43,625 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_release_transport [2021-11-21 00:33:43,625 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_access_status [2021-11-21 00:33:43,625 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_access_status [2021-11-21 00:33:43,625 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_volume_handle [2021-11-21 00:33:43,625 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_volume_handle [2021-11-21 00:33:43,626 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_expander_pg0 [2021-11-21 00:33:43,626 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_expander_pg0 [2021-11-21 00:33:43,626 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_expander_pg1 [2021-11-21 00:33:43,626 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_expander_pg1 [2021-11-21 00:33:43,626 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_smid_hpr [2021-11-21 00:33:43,626 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_smid_hpr [2021-11-21 00:33:43,626 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_handle [2021-11-21 00:33:43,626 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_handle [2021-11-21 00:33:43,627 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_device_remove_by_sas_address [2021-11-21 00:33:43,627 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_device_remove_by_sas_address [2021-11-21 00:33:43,627 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-11-21 00:33:43,627 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-11-21 00:33:43,627 INFO L130 BoogieDeclarations]: Found specification of procedure _base_reset_handler [2021-11-21 00:33:43,627 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_reset_handler [2021-11-21 00:33:43,627 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_hard_reset_handler [2021-11-21 00:33:43,628 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_hard_reset_handler [2021-11-21 00:33:43,628 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-21 00:33:43,628 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-21 00:33:43,628 INFO L130 BoogieDeclarations]: Found specification of procedure bio_data [2021-11-21 00:33:43,628 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_data [2021-11-21 00:33:43,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:33:43,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:33:43,629 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_port_remove [2021-11-21 00:33:43,629 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_port_remove [2021-11-21 00:33:43,629 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-21 00:33:43,629 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-21 00:33:43,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_12 [2021-11-21 00:33:43,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_12 [2021-11-21 00:33:43,629 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_register_2 [2021-11-21 00:33:43,630 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_register_2 [2021-11-21 00:33:43,630 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_number_hba_phys [2021-11-21 00:33:43,630 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_number_hba_phys [2021-11-21 00:33:43,630 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-21 00:33:43,630 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-21 00:33:43,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-21 00:33:43,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_32 [2021-11-21 00:33:43,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_32 [2021-11-21 00:33:43,631 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-11-21 00:33:43,631 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-11-21 00:33:43,631 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_delete_port [2021-11-21 00:33:43,631 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_delete_port [2021-11-21 00:33:43,631 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-21 00:33:43,631 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-21 00:33:43,631 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-21 00:33:43,632 INFO L130 BoogieDeclarations]: Found specification of procedure _base_release_memory_pools [2021-11-21 00:33:43,632 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_release_memory_pools [2021-11-21 00:33:43,632 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___1 [2021-11-21 00:33:43,632 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___1 [2021-11-21 00:33:43,632 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___0 [2021-11-21 00:33:43,632 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___0 [2021-11-21 00:33:43,632 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___3 [2021-11-21 00:33:43,633 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___3 [2021-11-21 00:33:43,633 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_start_watchdog [2021-11-21 00:33:43,633 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_start_watchdog [2021-11-21 00:33:43,633 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_add [2021-11-21 00:33:43,633 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_add [2021-11-21 00:33:43,633 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-11-21 00:33:43,633 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-11-21 00:33:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-11-21 00:33:43,634 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-11-21 00:33:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_resume [2021-11-21 00:33:43,634 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_resume [2021-11-21 00:33:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_chain_buffer_tracker [2021-11-21 00:33:43,634 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_chain_buffer_tracker [2021-11-21 00:33:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-21 00:33:43,635 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-21 00:33:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_register_callback_handler [2021-11-21 00:33:43,635 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_register_callback_handler [2021-11-21 00:33:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-21 00:33:43,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-21 00:33:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-11-21 00:33:43,635 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-11-21 00:33:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-21 00:33:43,637 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-21 00:33:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_all_device [2021-11-21 00:33:43,640 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_all_device [2021-11-21 00:33:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 00:33:43,641 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 00:33:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-21 00:33:43,641 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-21 00:33:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure rphy_to_ioc [2021-11-21 00:33:43,641 INFO L138 BoogieDeclarations]: Found implementation of procedure rphy_to_ioc [2021-11-21 00:33:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_determine_boot_device [2021-11-21 00:33:43,642 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_determine_boot_device [2021-11-21 00:33:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:33:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-21 00:33:43,643 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-21 00:33:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure _config_display_some_debug [2021-11-21 00:33:43,643 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_display_some_debug [2021-11-21 00:33:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_stop_watchdog [2021-11-21 00:33:43,643 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_stop_watchdog [2021-11-21 00:33:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:33:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_physical_disk_event [2021-11-21 00:33:43,644 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_physical_disk_event [2021-11-21 00:33:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-11-21 00:33:43,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-11-21 00:33:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2021-11-21 00:33:43,644 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2021-11-21 00:33:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure starget_for_each_device [2021-11-21 00:33:43,644 INFO L138 BoogieDeclarations]: Found implementation of procedure starget_for_each_device [2021-11-21 00:33:43,644 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_2 [2021-11-21 00:33:43,645 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_2 [2021-11-21 00:33:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-11-21 00:33:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-21 00:33:43,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-21 00:33:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-21 00:33:43,645 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-21 00:33:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-21 00:33:43,645 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-21 00:33:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_raid_devices [2021-11-21 00:33:43,646 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_raid_devices [2021-11-21 00:33:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove [2021-11-21 00:33:43,646 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove [2021-11-21 00:33:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_for_devices_after_reset [2021-11-21 00:33:43,646 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_for_devices_after_reset [2021-11-21 00:33:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-21 00:33:43,647 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-21 00:33:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_expander_report_manufacture [2021-11-21 00:33:43,647 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_expander_report_manufacture [2021-11-21 00:33:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost___0 [2021-11-21 00:33:43,647 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost___0 [2021-11-21 00:33:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2021-11-21 00:33:43,647 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2021-11-21 00:33:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_set_tm_flag [2021-11-21 00:33:43,648 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_set_tm_flag [2021-11-21 00:33:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure _base_is_controller_msix_enabled [2021-11-21 00:33:43,648 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_is_controller_msix_enabled [2021-11-21 00:33:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-21 00:33:43,648 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-21 00:33:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-21 00:33:43,648 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-21 00:33:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-21 00:33:43,649 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-21 00:33:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_block [2021-11-21 00:33:43,649 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_block [2021-11-21 00:33:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_free_smid [2021-11-21 00:33:43,649 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_free_smid [2021-11-21 00:33:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2021-11-21 00:33:43,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2021-11-21 00:33:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_change_queue_depth [2021-11-21 00:33:43,650 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_change_queue_depth [2021-11-21 00:33:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_refresh_expander_links [2021-11-21 00:33:43,650 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_refresh_expander_links [2021-11-21 00:33:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-11-21 00:33:43,650 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-11-21 00:33:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:33:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_expander_find_by_sas_address [2021-11-21 00:33:43,651 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_expander_find_by_sas_address [2021-11-21 00:33:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-21 00:33:43,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-21 00:33:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_on_iocstate [2021-11-21 00:33:43,651 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_on_iocstate [2021-11-21 00:33:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_affinity_hint [2021-11-21 00:33:43,651 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_affinity_hint [2021-11-21 00:33:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_cleanup_queue [2021-11-21 00:33:43,652 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_cleanup_queue [2021-11-21 00:33:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_add [2021-11-21 00:33:43,652 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_add [2021-11-21 00:33:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-11-21 00:33:43,652 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-11-21 00:33:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2021-11-21 00:33:43,652 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2021-11-21 00:33:43,653 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_iounit_pg1 [2021-11-21 00:33:43,653 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_iounit_pg1 [2021-11-21 00:33:43,653 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_iounit_pg8 [2021-11-21 00:33:43,653 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_iounit_pg8 [2021-11-21 00:33:43,653 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-21 00:33:43,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-21 00:33:43,653 INFO L130 BoogieDeclarations]: Found specification of procedure phy_to_ioc [2021-11-21 00:33:43,653 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_to_ioc [2021-11-21 00:33:43,654 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2021-11-21 00:33:43,654 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2021-11-21 00:33:43,654 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_delete [2021-11-21 00:33:43,654 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_delete [2021-11-21 00:33:43,654 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_iounit_pg0 [2021-11-21 00:33:43,654 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_iounit_pg0 [2021-11-21 00:33:43,654 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-21 00:33:43,654 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-21 00:33:43,655 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-21 00:33:43,655 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-21 00:33:43,655 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_expander_find_by_handle [2021-11-21 00:33:43,655 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_expander_find_by_handle [2021-11-21 00:33:43,655 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove_unresponding_sas_devices [2021-11-21 00:33:43,655 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove_unresponding_sas_devices [2021-11-21 00:33:43,655 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-11-21 00:33:43,656 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-11-21 00:33:43,656 INFO L130 BoogieDeclarations]: Found specification of procedure _base_event_notification [2021-11-21 00:33:43,656 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_event_notification [2021-11-21 00:33:43,656 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_alloc [2021-11-21 00:33:43,656 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_alloc [2021-11-21 00:33:43,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-21 00:33:43,656 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-21 00:33:43,656 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2021-11-21 00:33:43,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2021-11-21 00:33:43,657 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_device [2021-11-21 00:33:43,657 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_device [2021-11-21 00:33:43,657 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_sas_device_find_by_sas_address [2021-11-21 00:33:43,657 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_sas_device_find_by_sas_address [2021-11-21 00:33:43,657 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_prep_device_scan [2021-11-21 00:33:43,657 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_prep_device_scan [2021-11-21 00:33:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-21 00:33:43,658 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-21 00:33:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-21 00:33:43,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-21 00:33:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_turn_on_pfa_led [2021-11-21 00:33:43,658 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_turn_on_pfa_led [2021-11-21 00:33:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_probe_sas [2021-11-21 00:33:43,658 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_probe_sas [2021-11-21 00:33:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure _config_request [2021-11-21 00:33:43,659 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_request [2021-11-21 00:33:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2021-11-21 00:33:43,659 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2021-11-21 00:33:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_device_remove_by_handle [2021-11-21 00:33:43,659 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_device_remove_by_handle [2021-11-21 00:33:43,659 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-21 00:33:43,660 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-21 00:33:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure _base_request_irq [2021-11-21 00:33:43,660 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_request_irq [2021-11-21 00:33:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2021-11-21 00:33:43,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2021-11-21 00:33:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_pci_error_detected [2021-11-21 00:33:43,660 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_pci_error_detected [2021-11-21 00:33:43,660 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_expanders [2021-11-21 00:33:43,661 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_expanders [2021-11-21 00:33:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_send_release [2021-11-21 00:33:43,661 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_send_release [2021-11-21 00:33:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scsi_direct_io_set [2021-11-21 00:33:43,661 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scsi_direct_io_set [2021-11-21 00:33:43,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-21 00:33:43,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-21 00:33:43,662 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2021-11-21 00:33:43,662 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2021-11-21 00:33:43,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:33:43,662 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_build_zero_len_sge [2021-11-21 00:33:43,662 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_build_zero_len_sge [2021-11-21 00:33:43,662 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_ready [2021-11-21 00:33:43,662 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_ready [2021-11-21 00:33:43,662 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_reset_handler [2021-11-21 00:33:43,663 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_reset_handler [2021-11-21 00:33:43,663 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-11-21 00:33:43,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-11-21 00:33:43,663 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-21 00:33:43,663 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-21 00:33:43,663 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-21 00:33:43,663 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-21 00:33:43,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-21 00:33:43,664 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-21 00:33:43,664 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-21 00:33:43,664 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-21 00:33:43,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-21 00:33:43,664 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_ioctl_main [2021-11-21 00:33:43,664 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_ioctl_main [2021-11-21 00:33:43,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-21 00:33:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_add_expander_phy [2021-11-21 00:33:43,665 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_add_expander_phy [2021-11-21 00:33:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure bio_advance_iter [2021-11-21 00:33:43,665 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_advance_iter [2021-11-21 00:33:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_add_host_phy [2021-11-21 00:33:43,665 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_add_host_phy [2021-11-21 00:33:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-21 00:33:43,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-21 00:33:43,666 INFO L130 BoogieDeclarations]: Found specification of procedure _base_disable_msix [2021-11-21 00:33:43,666 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_disable_msix [2021-11-21 00:33:43,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-21 00:33:43,666 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-21 00:33:43,666 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_disable_ddio [2021-11-21 00:33:43,666 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_disable_ddio [2021-11-21 00:33:43,666 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_requests [2021-11-21 00:33:43,667 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_requests [2021-11-21 00:33:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_unblock [2021-11-21 00:33:43,667 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_unblock [2021-11-21 00:33:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-21 00:33:43,667 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-21 00:33:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_remove [2021-11-21 00:33:43,667 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_remove [2021-11-21 00:33:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_is_host_device [2021-11-21 00:33:43,668 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_is_host_device [2021-11-21 00:33:43,668 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_smid_scsiio [2021-11-21 00:33:43,668 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_smid_scsiio [2021-11-21 00:33:43,668 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_set_sas_iounit_pg1 [2021-11-21 00:33:43,668 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_set_sas_iounit_pg1 [2021-11-21 00:33:43,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_31 [2021-11-21 00:33:43,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_31 [2021-11-21 00:33:43,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_13 [2021-11-21 00:33:43,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_13 [2021-11-21 00:33:43,669 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2021-11-21 00:33:43,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2021-11-21 00:33:43,669 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-21 00:33:43,669 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-21 00:33:43,669 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_config_change_event [2021-11-21 00:33:43,669 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_config_change_event [2021-11-21 00:33:43,670 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_fault_info [2021-11-21 00:33:43,670 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_fault_info [2021-11-21 00:33:43,670 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_sas_iounit_pg1 [2021-11-21 00:33:43,670 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_sas_iounit_pg1 [2021-11-21 00:33:43,670 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_add [2021-11-21 00:33:43,670 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_add [2021-11-21 00:33:43,670 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_sas_iounit_pg0 [2021-11-21 00:33:43,670 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_sas_iounit_pg0 [2021-11-21 00:33:43,671 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_set_identify [2021-11-21 00:33:43,671 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_set_identify [2021-11-21 00:33:43,671 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 00:33:43,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 00:33:43,671 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_enable_diag_buffer [2021-11-21 00:33:43,671 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_enable_diag_buffer [2021-11-21 00:33:43,671 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_set_iounit_pg1 [2021-11-21 00:33:43,672 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_set_iounit_pg1 [2021-11-21 00:33:43,672 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_hide [2021-11-21 00:33:43,672 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_hide [2021-11-21 00:33:43,672 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_update_links [2021-11-21 00:33:43,672 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_update_links [2021-11-21 00:33:43,672 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_resync [2021-11-21 00:33:43,672 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_resync [2021-11-21 00:33:43,672 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-21 00:33:43,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-21 00:33:43,673 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-21 00:33:43,673 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-21 00:33:43,673 INFO L130 BoogieDeclarations]: Found specification of procedure _base_get_msix_index [2021-11-21 00:33:43,673 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_get_msix_index [2021-11-21 00:33:43,673 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-21 00:33:43,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-21 00:33:43,674 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-21 00:33:43,674 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-21 00:33:43,674 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2021-11-21 00:33:43,674 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2021-11-21 00:33:43,674 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_raid [2021-11-21 00:33:43,674 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_raid [2021-11-21 00:33:43,674 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_discovery_event [2021-11-21 00:33:43,674 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_discovery_event [2021-11-21 00:33:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_operational [2021-11-21 00:33:43,675 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_operational [2021-11-21 00:33:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_free_resources [2021-11-21 00:33:43,675 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_free_resources [2021-11-21 00:33:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-21 00:33:43,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-21 00:33:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_num_volumes [2021-11-21 00:33:43,675 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_num_volumes [2021-11-21 00:33:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_port_add [2021-11-21 00:33:43,676 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_port_add [2021-11-21 00:33:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-21 00:33:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_id [2021-11-21 00:33:43,676 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_id [2021-11-21 00:33:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-21 00:33:43,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-21 00:33:43,677 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_boot_device [2021-11-21 00:33:43,677 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_boot_device [2021-11-21 00:33:43,677 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-21 00:33:43,677 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-21 00:33:43,677 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_alloc [2021-11-21 00:33:43,677 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_alloc [2021-11-21 00:33:43,677 INFO L130 BoogieDeclarations]: Found specification of procedure _base_diag_reset [2021-11-21 00:33:43,677 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_diag_reset [2021-11-21 00:33:43,678 INFO L130 BoogieDeclarations]: Found specification of procedure int_to_scsilun [2021-11-21 00:33:43,678 INFO L138 BoogieDeclarations]: Found implementation of procedure int_to_scsilun [2021-11-21 00:33:43,678 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_expander_phy_control [2021-11-21 00:33:43,678 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_expander_phy_control [2021-11-21 00:33:43,678 INFO L130 BoogieDeclarations]: Found specification of procedure attribute_container_find_class_device [2021-11-21 00:33:43,678 INFO L138 BoogieDeclarations]: Found implementation of procedure attribute_container_find_class_device [2021-11-21 00:33:43,678 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2021-11-21 00:33:43,678 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2021-11-21 00:33:43,679 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_sense_buffer_dma [2021-11-21 00:33:43,679 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_sense_buffer_dma [2021-11-21 00:33:43,679 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_put_smid_default [2021-11-21 00:33:43,679 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_put_smid_default [2021-11-21 00:33:43,679 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-11-21 00:33:43,679 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-11-21 00:33:43,679 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_fasync [2021-11-21 00:33:43,679 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_fasync [2021-11-21 00:33:43,680 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_iterate_devices [2021-11-21 00:33:43,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_iterate_devices [2021-11-21 00:33:43,680 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_broadcast_primitive_event [2021-11-21 00:33:43,680 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_broadcast_primitive_event [2021-11-21 00:33:43,680 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-21 00:33:43,680 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-21 00:33:43,680 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_smid [2021-11-21 00:33:43,681 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_smid [2021-11-21 00:33:43,681 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-21 00:33:43,681 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-21 00:33:43,681 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-21 00:33:43,681 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-21 00:33:43,681 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_tm_display_info [2021-11-21 00:33:43,681 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_tm_display_info [2021-11-21 00:33:43,681 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_free [2021-11-21 00:33:43,682 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_free [2021-11-21 00:33:43,682 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_mark_responding_raid_device [2021-11-21 00:33:43,682 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_mark_responding_raid_device [2021-11-21 00:33:43,682 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_end_device [2021-11-21 00:33:43,682 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_end_device [2021-11-21 00:33:43,682 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-21 00:33:43,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-21 00:33:43,683 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_phy_pg0 [2021-11-21 00:33:43,683 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_phy_pg0 [2021-11-21 00:33:43,683 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_halt_firmware [2021-11-21 00:33:43,683 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_halt_firmware [2021-11-21 00:33:43,683 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_remove [2021-11-21 00:33:43,683 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_remove [2021-11-21 00:33:43,683 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_msg_frame [2021-11-21 00:33:43,683 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_msg_frame [2021-11-21 00:33:43,684 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_volume_event [2021-11-21 00:33:43,684 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_volume_event [2021-11-21 00:33:43,684 INFO L130 BoogieDeclarations]: Found specification of procedure _base_static_config_pages [2021-11-21 00:33:43,684 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_static_config_pages [2021-11-21 00:33:43,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 00:33:43,684 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_add_device [2021-11-21 00:33:43,684 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_add_device [2021-11-21 00:33:43,684 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_turn_off_pfa_led [2021-11-21 00:33:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_turn_off_pfa_led [2021-11-21 00:33:43,685 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_node_remove [2021-11-21 00:33:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_node_remove [2021-11-21 00:33:43,685 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_bios_pg3 [2021-11-21 00:33:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_bios_pg3 [2021-11-21 00:33:43,685 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_bios_pg2 [2021-11-21 00:33:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_bios_pg2 [2021-11-21 00:33:43,686 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_map_resources [2021-11-21 00:33:43,686 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_map_resources [2021-11-21 00:33:43,686 INFO L130 BoogieDeclarations]: Found specification of procedure _base_mask_interrupts [2021-11-21 00:33:43,686 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_mask_interrupts [2021-11-21 00:33:43,686 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-21 00:33:43,686 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-21 00:33:43,686 INFO L130 BoogieDeclarations]: Found specification of procedure _base_get_ioc_facts [2021-11-21 00:33:43,686 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_get_ioc_facts [2021-11-21 00:33:43,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_55 [2021-11-21 00:33:43,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_55 [2021-11-21 00:33:43,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_54 [2021-11-21 00:33:43,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_54 [2021-11-21 00:33:43,687 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-11-21 00:33:43,687 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-11-21 00:33:43,687 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-11-21 00:33:43,687 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-11-21 00:33:43,688 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_flush_running_cmds [2021-11-21 00:33:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_flush_running_cmds [2021-11-21 00:33:43,688 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_enclosure_pg0 [2021-11-21 00:33:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_enclosure_pg0 [2021-11-21 00:33:43,688 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2021-11-21 00:33:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2021-11-21 00:33:43,688 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_sas_devices [2021-11-21 00:33:43,689 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_sas_devices [2021-11-21 00:33:43,689 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_sas_device_pg0 [2021-11-21 00:33:43,689 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_sas_device_pg0 [2021-11-21 00:33:43,689 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_set_prot [2021-11-21 00:33:43,689 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_set_prot [2021-11-21 00:33:43,689 INFO L130 BoogieDeclarations]: Found specification of procedure _base_fault_reset_work [2021-11-21 00:33:43,689 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_fault_reset_work [2021-11-21 00:33:43,689 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2021-11-21 00:33:43,690 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2021-11-21 00:33:43,690 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_find_by_handle [2021-11-21 00:33:43,690 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_find_by_handle [2021-11-21 00:33:43,690 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_add [2021-11-21 00:33:43,690 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_add [2021-11-21 00:33:43,690 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_issue_tm [2021-11-21 00:33:43,690 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_issue_tm [2021-11-21 00:33:43,691 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_delete_phy [2021-11-21 00:33:43,691 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_delete_phy [2021-11-21 00:33:43,691 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_iocstate [2021-11-21 00:33:43,691 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_iocstate [2021-11-21 00:33:43,691 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-21 00:33:43,691 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-21 00:33:43,691 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_poll [2021-11-21 00:33:43,691 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_poll [2021-11-21 00:33:43,692 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_put_smid_hi_priority [2021-11-21 00:33:43,692 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_put_smid_hi_priority [2021-11-21 00:33:43,692 INFO L130 BoogieDeclarations]: Found specification of procedure param_get_int [2021-11-21 00:33:43,692 INFO L138 BoogieDeclarations]: Found implementation of procedure param_get_int [2021-11-21 00:33:43,692 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_delete [2021-11-21 00:33:43,692 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_delete [2021-11-21 00:33:43,692 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_target_destroy [2021-11-21 00:33:43,693 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_target_destroy [2021-11-21 00:33:43,693 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_pci_resume [2021-11-21 00:33:43,693 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_pci_resume [2021-11-21 00:33:43,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-21 00:33:43,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-21 00:33:43,693 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unblock_requests [2021-11-21 00:33:43,693 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unblock_requests [2021-11-21 00:33:43,693 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-21 00:33:43,694 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-21 00:33:43,694 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_raid_volume_pg0 [2021-11-21 00:33:43,694 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_raid_volume_pg0 [2021-11-21 00:33:43,694 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_raid_volume_pg1 [2021-11-21 00:33:43,694 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_raid_volume_pg1 [2021-11-21 00:33:43,694 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_put_smid_scsi_io [2021-11-21 00:33:43,694 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_put_smid_scsi_io [2021-11-21 00:33:43,694 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_clear_tm_flag [2021-11-21 00:33:43,695 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_clear_tm_flag [2021-11-21 00:33:43,695 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_add_phy [2021-11-21 00:33:43,695 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_add_phy [2021-11-21 00:33:43,695 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_phys_disk_pg0 [2021-11-21 00:33:43,695 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_phys_disk_pg0 [2021-11-21 00:33:43,695 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_del_phy_from_an_existing_port [2021-11-21 00:33:43,695 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_del_phy_from_an_existing_port [2021-11-21 00:33:43,696 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-11-21 00:33:43,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-11-21 00:33:43,696 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_ioc_pg8 [2021-11-21 00:33:43,696 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_ioc_pg8 [2021-11-21 00:33:43,696 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-21 00:33:43,696 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-21 00:33:43,696 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_sas_node_find_by_sas_address [2021-11-21 00:33:43,696 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_sas_node_find_by_sas_address [2021-11-21 00:33:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-21 00:33:43,697 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-21 00:33:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-21 00:33:43,697 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-21 00:33:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:33:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_add [2021-11-21 00:33:43,697 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_add [2021-11-21 00:33:43,698 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_print_command [2021-11-21 00:33:43,698 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_print_command [2021-11-21 00:33:43,698 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_response_code [2021-11-21 00:33:43,698 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_response_code [2021-11-21 00:33:43,698 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-21 00:33:43,698 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_pci_mmio_enabled [2021-11-21 00:33:43,698 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_pci_mmio_enabled [2021-11-21 00:33:46,441 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:33:46,449 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:33:47,291 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-21 00:34:29,452 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:34:47,465 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:34:47,465 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-21 00:34:47,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:34:47 BoogieIcfgContainer [2021-11-21 00:34:47,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:34:47,484 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:34:47,484 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:34:47,488 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:34:47,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:33:28" (1/3) ... [2021-11-21 00:34:47,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43d047dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:34:47, skipping insertion in model container [2021-11-21 00:34:47,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:33:40" (2/3) ... [2021-11-21 00:34:47,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43d047dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:34:47, skipping insertion in model container [2021-11-21 00:34:47,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:34:47" (3/3) ... [2021-11-21 00:34:47,492 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--mpt2sas--mpt2sas.ko-entry_point.cil.out.i [2021-11-21 00:34:47,499 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:34:47,499 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 00:34:47,589 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:34:47,598 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 00:34:47,598 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 00:34:47,782 INFO L276 IsEmpty]: Start isEmpty. Operand has 6256 states, 3886 states have (on average 1.3690169840452908) internal successors, (5320), 4083 states have internal predecessors, (5320), 2041 states have call successors, (2041), 328 states have call predecessors, (2041), 327 states have return successors, (2007), 1953 states have call predecessors, (2007), 2007 states have call successors, (2007) [2021-11-21 00:34:47,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-21 00:34:47,846 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:34:47,847 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:34:47,848 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:34:47,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:34:47,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1821801303, now seen corresponding path program 1 times [2021-11-21 00:34:47,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:34:47,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578273044] [2021-11-21 00:34:47,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:34:47,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:34:49,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:34:49,713 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-11-21 00:34:49,713 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:34:49,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578273044] [2021-11-21 00:34:49,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578273044] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:34:49,721 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:34:49,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:34:49,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736628957] [2021-11-21 00:34:49,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:34:49,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:34:49,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:34:49,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:34:49,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:34:49,800 INFO L87 Difference]: Start difference. First operand has 6256 states, 3886 states have (on average 1.3690169840452908) internal successors, (5320), 4083 states have internal predecessors, (5320), 2041 states have call successors, (2041), 328 states have call predecessors, (2041), 327 states have return successors, (2007), 1953 states have call predecessors, (2007), 2007 states have call successors, (2007) Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-21 00:34:52,056 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:34:55,710 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:34:58,475 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:35:05,069 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:35:08,331 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:35:10,679 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:35:13,593 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:35:16,082 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:35:19,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:35:19,509 INFO L93 Difference]: Finished difference Result 18421 states and 27583 transitions. [2021-11-21 00:35:19,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:35:19,519 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 146 [2021-11-21 00:35:19,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:35:19,694 INFO L225 Difference]: With dead ends: 18421 [2021-11-21 00:35:19,694 INFO L226 Difference]: Without dead ends: 12078 [2021-11-21 00:35:19,763 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:35:19,767 INFO L933 BasicCegarLoop]: 10365 mSDtfsCounter, 8843 mSDsluCounter, 9325 mSDsCounter, 0 mSdLazyCounter, 1766 mSolverCounterSat, 3 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8847 SdHoareTripleChecker+Valid, 18812 SdHoareTripleChecker+Invalid, 1776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1766 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:35:19,768 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8847 Valid, 18812 Invalid, 1776 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1766 Invalid, 7 Unknown, 0 Unchecked, 28.6s Time] [2021-11-21 00:35:19,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12078 states. [2021-11-21 00:35:20,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12078 to 12075. [2021-11-21 00:35:20,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12075 states, 7560 states have (on average 1.3597883597883598) internal successors, (10280), 7882 states have internal predecessors, (10280), 3871 states have call successors, (3871), 644 states have call predecessors, (3871), 643 states have return successors, (3874), 3760 states have call predecessors, (3874), 3870 states have call successors, (3874) [2021-11-21 00:35:21,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12075 states to 12075 states and 18025 transitions. [2021-11-21 00:35:21,086 INFO L78 Accepts]: Start accepts. Automaton has 12075 states and 18025 transitions. Word has length 146 [2021-11-21 00:35:21,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:35:21,090 INFO L470 AbstractCegarLoop]: Abstraction has 12075 states and 18025 transitions. [2021-11-21 00:35:21,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-21 00:35:21,092 INFO L276 IsEmpty]: Start isEmpty. Operand 12075 states and 18025 transitions. [2021-11-21 00:35:21,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-11-21 00:35:21,196 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:35:21,197 INFO L514 BasicCegarLoop]: trace histogram [10, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:35:21,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 00:35:21,198 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:35:21,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:35:21,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1768372997, now seen corresponding path program 1 times [2021-11-21 00:35:21,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:35:21,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721391445] [2021-11-21 00:35:21,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:35:21,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:35:21,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:35:22,307 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2021-11-21 00:35:22,307 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:35:22,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721391445] [2021-11-21 00:35:22,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721391445] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:35:22,308 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:35:22,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:35:22,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448224696] [2021-11-21 00:35:22,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:35:22,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:35:22,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:35:22,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:35:22,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:35:22,314 INFO L87 Difference]: Start difference. First operand 12075 states and 18025 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2021-11-21 00:35:24,571 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:35:28,518 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:35:33,176 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:35:38,331 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:35:44,767 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:35:46,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:35:46,665 INFO L93 Difference]: Finished difference Result 35622 states and 53144 transitions. [2021-11-21 00:35:46,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:35:46,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 276 [2021-11-21 00:35:46,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:35:46,908 INFO L225 Difference]: With dead ends: 35622 [2021-11-21 00:35:46,909 INFO L226 Difference]: Without dead ends: 23568 [2021-11-21 00:35:47,020 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:35:47,022 INFO L933 BasicCegarLoop]: 10228 mSDtfsCounter, 8587 mSDsluCounter, 9185 mSDsCounter, 0 mSdLazyCounter, 1805 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8591 SdHoareTripleChecker+Valid, 18546 SdHoareTripleChecker+Invalid, 1812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1805 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:35:47,023 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8591 Valid, 18546 Invalid, 1812 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1805 Invalid, 5 Unknown, 0 Unchecked, 23.2s Time] [2021-11-21 00:35:47,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23568 states. [2021-11-21 00:35:48,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23568 to 23559. [2021-11-21 00:35:48,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23559 states, 14779 states have (on average 1.3605115366398268) internal successors, (20107), 15419 states have internal predecessors, (20107), 7511 states have call successors, (7511), 1269 states have call predecessors, (7511), 1268 states have return successors, (7522), 7288 states have call predecessors, (7522), 7510 states have call successors, (7522) [2021-11-21 00:35:48,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23559 states to 23559 states and 35140 transitions. [2021-11-21 00:35:48,894 INFO L78 Accepts]: Start accepts. Automaton has 23559 states and 35140 transitions. Word has length 276 [2021-11-21 00:35:48,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:35:48,895 INFO L470 AbstractCegarLoop]: Abstraction has 23559 states and 35140 transitions. [2021-11-21 00:35:48,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2021-11-21 00:35:48,897 INFO L276 IsEmpty]: Start isEmpty. Operand 23559 states and 35140 transitions. [2021-11-21 00:35:49,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2021-11-21 00:35:49,088 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:35:49,089 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:35:49,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 00:35:49,089 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:35:49,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:35:49,090 INFO L85 PathProgramCache]: Analyzing trace with hash 139988982, now seen corresponding path program 1 times [2021-11-21 00:35:49,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:35:49,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891516688] [2021-11-21 00:35:49,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:35:49,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:35:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:35:50,609 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 770 trivial. 0 not checked. [2021-11-21 00:35:50,609 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:35:50,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891516688] [2021-11-21 00:35:50,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891516688] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:35:50,610 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:35:50,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:35:50,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244092343] [2021-11-21 00:35:50,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:35:50,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:35:50,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:35:50,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:35:50,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:35:50,618 INFO L87 Difference]: Start difference. First operand 23559 states and 35140 transitions. Second operand has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 2 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2021-11-21 00:35:52,877 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:35:58,416 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:36:01,707 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:36:07,187 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:36:09,221 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:36:11,975 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:36:25,292 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:36:26,459 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:36:28,709 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:36:30,846 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:36:32,982 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:36:39,057 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:36:45,858 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:36:48,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:36:48,445 INFO L93 Difference]: Finished difference Result 69980 states and 104952 transitions. [2021-11-21 00:36:48,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 00:36:48,446 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 2 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) Word has length 429 [2021-11-21 00:36:48,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:36:48,797 INFO L225 Difference]: With dead ends: 69980 [2021-11-21 00:36:48,797 INFO L226 Difference]: Without dead ends: 46442 [2021-11-21 00:36:48,933 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-21 00:36:48,937 INFO L933 BasicCegarLoop]: 17807 mSDtfsCounter, 12127 mSDsluCounter, 45872 mSDsCounter, 0 mSdLazyCounter, 6617 mSolverCounterSat, 972 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12129 SdHoareTripleChecker+Valid, 59409 SdHoareTripleChecker+Invalid, 7598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 972 IncrementalHoareTripleChecker+Valid, 6617 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:36:48,939 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12129 Valid, 59409 Invalid, 7598 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [972 Valid, 6617 Invalid, 9 Unknown, 0 Unchecked, 56.2s Time] [2021-11-21 00:36:49,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46442 states. [2021-11-21 00:36:51,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46442 to 40847. [2021-11-21 00:36:52,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40847 states, 25646 states have (on average 1.3612259221710987) internal successors, (34910), 26764 states have internal predecessors, (34910), 12988 states have call successors, (12988), 2213 states have call predecessors, (12988), 2212 states have return successors, (13009), 12596 states have call predecessors, (13009), 12987 states have call successors, (13009) [2021-11-21 00:36:52,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40847 states to 40847 states and 60907 transitions. [2021-11-21 00:36:52,700 INFO L78 Accepts]: Start accepts. Automaton has 40847 states and 60907 transitions. Word has length 429 [2021-11-21 00:36:52,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:36:52,703 INFO L470 AbstractCegarLoop]: Abstraction has 40847 states and 60907 transitions. [2021-11-21 00:36:52,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 2 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2021-11-21 00:36:52,703 INFO L276 IsEmpty]: Start isEmpty. Operand 40847 states and 60907 transitions. [2021-11-21 00:36:52,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 592 [2021-11-21 00:36:52,868 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:36:52,870 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 11, 11, 11, 10, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:36:52,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-21 00:36:52,870 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:36:52,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:36:52,872 INFO L85 PathProgramCache]: Analyzing trace with hash 69511982, now seen corresponding path program 1 times [2021-11-21 00:36:52,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:36:52,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535194961] [2021-11-21 00:36:52,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:36:52,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:36:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:36:54,750 INFO L134 CoverageAnalysis]: Checked inductivity of 2649 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 2606 trivial. 0 not checked. [2021-11-21 00:36:54,751 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:36:54,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535194961] [2021-11-21 00:36:54,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535194961] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:36:54,751 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:36:54,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:36:54,752 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422589090] [2021-11-21 00:36:54,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:36:54,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:36:54,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:36:54,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:36:54,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:36:54,756 INFO L87 Difference]: Start difference. First operand 40847 states and 60907 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 3 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (76), 3 states have call predecessors, (76), 3 states have call successors, (76) [2021-11-21 00:36:57,018 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:37:00,276 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:37:02,522 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:37:05,194 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:37:08,996 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:37:11,562 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:37:18,335 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:37:20,377 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:37:22,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:37:22,304 INFO L93 Difference]: Finished difference Result 87671 states and 130759 transitions. [2021-11-21 00:37:22,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:37:22,306 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 3 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (76), 3 states have call predecessors, (76), 3 states have call successors, (76) Word has length 591 [2021-11-21 00:37:22,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:37:23,124 INFO L225 Difference]: With dead ends: 87671 [2021-11-21 00:37:23,124 INFO L226 Difference]: Without dead ends: 64182 [2021-11-21 00:37:23,274 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:37:23,277 INFO L933 BasicCegarLoop]: 10331 mSDtfsCounter, 8877 mSDsluCounter, 9242 mSDsCounter, 0 mSdLazyCounter, 1763 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8880 SdHoareTripleChecker+Valid, 18693 SdHoareTripleChecker+Invalid, 1769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1763 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:37:23,282 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8880 Valid, 18693 Invalid, 1769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1763 Invalid, 5 Unknown, 0 Unchecked, 25.6s Time] [2021-11-21 00:37:23,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64182 states. [2021-11-21 00:37:27,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64182 to 64174. [2021-11-21 00:37:27,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64174 states, 40289 states have (on average 1.361388964729827) internal successors, (54849), 42046 states have internal predecessors, (54849), 20412 states have call successors, (20412), 3473 states have call predecessors, (20412), 3472 states have return successors, (20446), 19797 states have call predecessors, (20446), 20411 states have call successors, (20446) [2021-11-21 00:37:28,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64174 states to 64174 states and 95707 transitions. [2021-11-21 00:37:28,227 INFO L78 Accepts]: Start accepts. Automaton has 64174 states and 95707 transitions. Word has length 591 [2021-11-21 00:37:28,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:37:28,229 INFO L470 AbstractCegarLoop]: Abstraction has 64174 states and 95707 transitions. [2021-11-21 00:37:28,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 3 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (76), 3 states have call predecessors, (76), 3 states have call successors, (76) [2021-11-21 00:37:28,230 INFO L276 IsEmpty]: Start isEmpty. Operand 64174 states and 95707 transitions. [2021-11-21 00:37:28,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 592 [2021-11-21 00:37:28,382 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:37:28,383 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 11, 11, 11, 10, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:37:28,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-21 00:37:28,384 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:37:28,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:37:28,385 INFO L85 PathProgramCache]: Analyzing trace with hash -201144945, now seen corresponding path program 1 times [2021-11-21 00:37:28,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:37:28,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073758337] [2021-11-21 00:37:28,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:37:28,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:37:29,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:37:30,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2649 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 2606 trivial. 0 not checked. [2021-11-21 00:37:30,048 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:37:30,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073758337] [2021-11-21 00:37:30,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073758337] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:37:30,049 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:37:30,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:37:30,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316598135] [2021-11-21 00:37:30,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:37:30,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:37:30,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:37:30,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:37:30,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:37:30,054 INFO L87 Difference]: Start difference. First operand 64174 states and 95707 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 3 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (76), 3 states have call predecessors, (76), 3 states have call successors, (76) [2021-11-21 00:37:32,321 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:37:36,105 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:37:38,328 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:37:42,241 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:37:44,469 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:37:54,050 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:37:57,240 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:38:00,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:38:00,828 INFO L93 Difference]: Finished difference Result 166096 states and 246925 transitions. [2021-11-21 00:38:00,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:38:00,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 3 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (76), 3 states have call predecessors, (76), 3 states have call successors, (76) Word has length 591 [2021-11-21 00:38:00,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:38:02,015 INFO L225 Difference]: With dead ends: 166096 [2021-11-21 00:38:02,016 INFO L226 Difference]: Without dead ends: 98543 [2021-11-21 00:38:02,361 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:38:02,362 INFO L933 BasicCegarLoop]: 16129 mSDtfsCounter, 8805 mSDsluCounter, 9183 mSDsCounter, 0 mSdLazyCounter, 2559 mSolverCounterSat, 2 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8811 SdHoareTripleChecker+Valid, 24446 SdHoareTripleChecker+Invalid, 2567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2559 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:38:02,363 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8811 Valid, 24446 Invalid, 2567 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2559 Invalid, 6 Unknown, 0 Unchecked, 27.2s Time] [2021-11-21 00:38:02,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98543 states. [2021-11-21 00:38:07,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98543 to 98494. [2021-11-21 00:38:07,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98494 states, 61506 states have (on average 1.3571846649107404) internal successors, (83475), 64341 states have internal predecessors, (83475), 31332 states have call successors, (31332), 5654 states have call predecessors, (31332), 5655 states have return successors, (31398), 30366 states have call predecessors, (31398), 31331 states have call successors, (31398) [2021-11-21 00:38:08,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98494 states to 98494 states and 146205 transitions. [2021-11-21 00:38:08,153 INFO L78 Accepts]: Start accepts. Automaton has 98494 states and 146205 transitions. Word has length 591 [2021-11-21 00:38:08,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:38:08,155 INFO L470 AbstractCegarLoop]: Abstraction has 98494 states and 146205 transitions. [2021-11-21 00:38:08,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 3 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (76), 3 states have call predecessors, (76), 3 states have call successors, (76) [2021-11-21 00:38:08,156 INFO L276 IsEmpty]: Start isEmpty. Operand 98494 states and 146205 transitions. [2021-11-21 00:38:08,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 623 [2021-11-21 00:38:08,286 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:38:08,287 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 11, 11, 11, 11, 10, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:38:08,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-21 00:38:08,287 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:38:08,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:38:08,289 INFO L85 PathProgramCache]: Analyzing trace with hash -607320538, now seen corresponding path program 1 times [2021-11-21 00:38:08,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:38:08,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823349334] [2021-11-21 00:38:08,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:38:08,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:38:08,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:38:10,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2736 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2736 trivial. 0 not checked. [2021-11-21 00:38:10,114 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:38:10,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823349334] [2021-11-21 00:38:10,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823349334] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:38:10,115 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:38:10,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:38:10,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461664831] [2021-11-21 00:38:10,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:38:10,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:38:10,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:38:10,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:38:10,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:38:10,118 INFO L87 Difference]: Start difference. First operand 98494 states and 146205 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (89), 2 states have call predecessors, (89), 1 states have return successors, (88), 2 states have call predecessors, (88), 2 states have call successors, (88) [2021-11-21 00:38:12,377 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:38:15,560 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:38:19,494 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:38:23,394 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:38:26,031 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:38:32,094 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:38:34,224 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:38:38,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:38:38,620 INFO L93 Difference]: Finished difference Result 117033 states and 173565 transitions. [2021-11-21 00:38:38,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:38:38,621 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (89), 2 states have call predecessors, (89), 1 states have return successors, (88), 2 states have call predecessors, (88), 2 states have call successors, (88) Word has length 622 [2021-11-21 00:38:38,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:38:39,375 INFO L225 Difference]: With dead ends: 117033 [2021-11-21 00:38:39,376 INFO L226 Difference]: Without dead ends: 107902 [2021-11-21 00:38:39,487 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:38:39,489 INFO L933 BasicCegarLoop]: 10332 mSDtfsCounter, 8842 mSDsluCounter, 9245 mSDsCounter, 0 mSdLazyCounter, 1762 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8845 SdHoareTripleChecker+Valid, 18697 SdHoareTripleChecker+Invalid, 1767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1762 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:38:39,490 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8845 Valid, 18697 Invalid, 1767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1762 Invalid, 5 Unknown, 0 Unchecked, 25.6s Time] [2021-11-21 00:38:39,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107902 states. [2021-11-21 00:38:44,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107902 to 107897. [2021-11-21 00:38:44,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107897 states, 67330 states have (on average 1.3565869597504827) internal successors, (91339), 70447 states have internal predecessors, (91339), 34336 states have call successors, (34336), 6228 states have call predecessors, (34336), 6230 states have return successors, (34407), 33277 states have call predecessors, (34407), 34335 states have call successors, (34407) [2021-11-21 00:38:45,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107897 states to 107897 states and 160082 transitions. [2021-11-21 00:38:45,370 INFO L78 Accepts]: Start accepts. Automaton has 107897 states and 160082 transitions. Word has length 622 [2021-11-21 00:38:45,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:38:45,371 INFO L470 AbstractCegarLoop]: Abstraction has 107897 states and 160082 transitions. [2021-11-21 00:38:45,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (89), 2 states have call predecessors, (89), 1 states have return successors, (88), 2 states have call predecessors, (88), 2 states have call successors, (88) [2021-11-21 00:38:45,372 INFO L276 IsEmpty]: Start isEmpty. Operand 107897 states and 160082 transitions. [2021-11-21 00:38:45,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 789 [2021-11-21 00:38:45,907 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:38:45,908 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 14, 11, 11, 11, 10, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:38:45,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-21 00:38:45,908 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:38:45,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:38:45,909 INFO L85 PathProgramCache]: Analyzing trace with hash 869091925, now seen corresponding path program 1 times [2021-11-21 00:38:45,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:38:45,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270591123] [2021-11-21 00:38:45,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:38:45,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:38:46,427 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:38:46,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1194420631] [2021-11-21 00:38:46,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:38:46,428 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:38:46,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:38:46,430 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:38:46,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 00:38:51,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:38:51,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 15252 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-21 00:38:51,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:38:54,458 INFO L134 CoverageAnalysis]: Checked inductivity of 2857 backedges. 1142 proven. 0 refuted. 0 times theorem prover too weak. 1715 trivial. 0 not checked. [2021-11-21 00:38:54,459 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:38:54,459 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:38:54,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270591123] [2021-11-21 00:38:54,460 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:38:54,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194420631] [2021-11-21 00:38:54,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1194420631] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:38:54,460 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:38:54,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:38:54,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39440165] [2021-11-21 00:38:54,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:38:54,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:38:54,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:38:54,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:38:54,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:38:54,464 INFO L87 Difference]: Start difference. First operand 107897 states and 160082 transitions. Second operand has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 3 states have call successors, (112), 3 states have call predecessors, (112), 3 states have return successors, (111), 3 states have call predecessors, (111), 3 states have call successors, (111) [2021-11-21 00:38:56,652 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:39:00,847 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:39:06,864 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:39:13,048 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:39:17,426 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:39:20,383 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:39:23,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:39:23,831 INFO L93 Difference]: Finished difference Result 131323 states and 195009 transitions. [2021-11-21 00:39:23,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:39:23,832 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 3 states have call successors, (112), 3 states have call predecessors, (112), 3 states have return successors, (111), 3 states have call predecessors, (111), 3 states have call successors, (111) Word has length 788 [2021-11-21 00:39:23,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:39:24,086 INFO L225 Difference]: With dead ends: 131323 [2021-11-21 00:39:24,087 INFO L226 Difference]: Without dead ends: 47826 [2021-11-21 00:39:24,917 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 787 GetRequests, 786 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:39:24,918 INFO L933 BasicCegarLoop]: 16022 mSDtfsCounter, 8802 mSDsluCounter, 8547 mSDsCounter, 0 mSdLazyCounter, 2509 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8807 SdHoareTripleChecker+Valid, 23754 SdHoareTripleChecker+Invalid, 2516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2509 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:39:24,918 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8807 Valid, 23754 Invalid, 2516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2509 Invalid, 5 Unknown, 0 Unchecked, 26.7s Time] [2021-11-21 00:39:24,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47826 states. [2021-11-21 00:39:27,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47826 to 47805. [2021-11-21 00:39:27,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47805 states, 29867 states have (on average 1.357350922422741) internal successors, (40540), 31227 states have internal predecessors, (40540), 15205 states have call successors, (15205), 2729 states have call predecessors, (15205), 2732 states have return successors, (15237), 14744 states have call predecessors, (15237), 15204 states have call successors, (15237) [2021-11-21 00:39:27,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47805 states to 47805 states and 70982 transitions. [2021-11-21 00:39:27,703 INFO L78 Accepts]: Start accepts. Automaton has 47805 states and 70982 transitions. Word has length 788 [2021-11-21 00:39:27,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:39:27,705 INFO L470 AbstractCegarLoop]: Abstraction has 47805 states and 70982 transitions. [2021-11-21 00:39:27,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 3 states have call successors, (112), 3 states have call predecessors, (112), 3 states have return successors, (111), 3 states have call predecessors, (111), 3 states have call successors, (111) [2021-11-21 00:39:27,706 INFO L276 IsEmpty]: Start isEmpty. Operand 47805 states and 70982 transitions. [2021-11-21 00:39:27,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 820 [2021-11-21 00:39:27,818 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:39:27,819 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 14, 11, 11, 11, 11, 10, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:39:27,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 00:39:28,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:39:28,020 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:39:28,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:39:28,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1493395616, now seen corresponding path program 1 times [2021-11-21 00:39:28,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:39:28,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827051456] [2021-11-21 00:39:28,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:39:28,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:39:28,535 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:39:28,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [84183865] [2021-11-21 00:39:28,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:39:28,536 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:39:28,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:39:28,538 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:39:28,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 00:39:33,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:39:33,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 15437 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:39:33,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:39:36,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2940 trivial. 0 not checked. [2021-11-21 00:39:36,832 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:39:36,832 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:39:36,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827051456] [2021-11-21 00:39:36,832 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:39:36,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [84183865] [2021-11-21 00:39:36,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [84183865] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:39:36,833 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:39:36,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:39:36,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189680085] [2021-11-21 00:39:36,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:39:36,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:39:36,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:39:36,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:39:36,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:39:36,837 INFO L87 Difference]: Start difference. First operand 47805 states and 70982 transitions. Second operand has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 2 states have internal predecessors, (248), 2 states have call successors, (122), 2 states have call predecessors, (122), 1 states have return successors, (121), 1 states have call predecessors, (121), 1 states have call successors, (121) [2021-11-21 00:39:39,007 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:39:42,552 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:39:49,863 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:39:52,310 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:39:54,359 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:40:00,330 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:40:02,463 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:40:05,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:40:05,536 INFO L93 Difference]: Finished difference Result 71151 states and 105787 transitions. [2021-11-21 00:40:05,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:40:05,537 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 2 states have internal predecessors, (248), 2 states have call successors, (122), 2 states have call predecessors, (122), 1 states have return successors, (121), 1 states have call predecessors, (121), 1 states have call successors, (121) Word has length 819 [2021-11-21 00:40:05,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:40:05,841 INFO L225 Difference]: With dead ends: 71151 [2021-11-21 00:40:05,841 INFO L226 Difference]: Without dead ends: 59784 [2021-11-21 00:40:05,901 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 818 GetRequests, 817 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:40:05,902 INFO L933 BasicCegarLoop]: 10321 mSDtfsCounter, 8695 mSDsluCounter, 9120 mSDsCounter, 0 mSdLazyCounter, 1741 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8698 SdHoareTripleChecker+Valid, 18580 SdHoareTripleChecker+Invalid, 1748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1741 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:40:05,902 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8698 Valid, 18580 Invalid, 1748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1741 Invalid, 7 Unknown, 0 Unchecked, 26.6s Time] [2021-11-21 00:40:05,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59784 states. [2021-11-21 00:40:08,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59784 to 59776. [2021-11-21 00:40:08,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59776 states, 37380 states have (on average 1.358052434456929) internal successors, (50764), 39063 states have internal predecessors, (50764), 19017 states have call successors, (19017), 3375 states have call predecessors, (19017), 3378 states have return successors, (19055), 18445 states have call predecessors, (19055), 19016 states have call successors, (19055) [2021-11-21 00:40:09,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59776 states to 59776 states and 88836 transitions. [2021-11-21 00:40:09,408 INFO L78 Accepts]: Start accepts. Automaton has 59776 states and 88836 transitions. Word has length 819 [2021-11-21 00:40:09,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:40:09,410 INFO L470 AbstractCegarLoop]: Abstraction has 59776 states and 88836 transitions. [2021-11-21 00:40:09,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 2 states have internal predecessors, (248), 2 states have call successors, (122), 2 states have call predecessors, (122), 1 states have return successors, (121), 1 states have call predecessors, (121), 1 states have call successors, (121) [2021-11-21 00:40:09,411 INFO L276 IsEmpty]: Start isEmpty. Operand 59776 states and 88836 transitions. [2021-11-21 00:40:09,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 843 [2021-11-21 00:40:09,546 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:40:09,546 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 14, 11, 11, 11, 11, 10, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-21 00:40:09,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-21 00:40:09,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:40:09,747 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:40:09,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:40:09,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1264114953, now seen corresponding path program 1 times [2021-11-21 00:40:09,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:40:09,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545825561] [2021-11-21 00:40:09,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:40:09,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:40:10,204 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:40:10,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [366053418] [2021-11-21 00:40:10,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:40:10,205 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:40:10,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:40:10,206 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:40:10,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 00:40:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:40:15,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 15569 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:40:15,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:40:18,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2974 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2974 trivial. 0 not checked. [2021-11-21 00:40:18,524 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:40:18,524 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:40:18,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545825561] [2021-11-21 00:40:18,524 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:40:18,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366053418] [2021-11-21 00:40:18,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366053418] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:40:18,525 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:40:18,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:40:18,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111945549] [2021-11-21 00:40:18,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:40:18,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:40:18,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:40:18,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:40:18,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:40:18,528 INFO L87 Difference]: Start difference. First operand 59776 states and 88836 transitions. Second operand has 3 states, 3 states have (on average 83.66666666666667) internal successors, (251), 2 states have internal predecessors, (251), 2 states have call successors, (124), 2 states have call predecessors, (124), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123) [2021-11-21 00:40:20,697 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:40:22,801 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:40:27,668 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:40:33,803 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:40:35,011 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:40:37,234 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:40:42,496 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:40:45,489 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:40:49,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:40:49,199 INFO L93 Difference]: Finished difference Result 119522 states and 177633 transitions. [2021-11-21 00:40:49,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:40:49,201 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.66666666666667) internal successors, (251), 2 states have internal predecessors, (251), 2 states have call successors, (124), 2 states have call predecessors, (124), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123) Word has length 842 [2021-11-21 00:40:49,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:40:49,844 INFO L225 Difference]: With dead ends: 119522 [2021-11-21 00:40:49,845 INFO L226 Difference]: Without dead ends: 119481 [2021-11-21 00:40:49,903 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 841 GetRequests, 840 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:40:49,904 INFO L933 BasicCegarLoop]: 10860 mSDtfsCounter, 8774 mSDsluCounter, 9238 mSDsCounter, 0 mSdLazyCounter, 1830 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8777 SdHoareTripleChecker+Valid, 19219 SdHoareTripleChecker+Invalid, 1836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1830 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:40:49,904 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8777 Valid, 19219 Invalid, 1836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1830 Invalid, 6 Unknown, 0 Unchecked, 27.7s Time] [2021-11-21 00:40:50,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119481 states. [2021-11-21 00:40:55,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119481 to 119480. [2021-11-21 00:40:56,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119480 states, 74726 states have (on average 1.3581082889489602) internal successors, (101486), 78092 states have internal predecessors, (101486), 38006 states have call successors, (38006), 6741 states have call predecessors, (38006), 6747 states have return successors, (38083), 36862 states have call predecessors, (38083), 38005 states have call successors, (38083) [2021-11-21 00:40:56,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119480 states to 119480 states and 177575 transitions. [2021-11-21 00:40:56,780 INFO L78 Accepts]: Start accepts. Automaton has 119480 states and 177575 transitions. Word has length 842 [2021-11-21 00:40:56,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:40:56,782 INFO L470 AbstractCegarLoop]: Abstraction has 119480 states and 177575 transitions. [2021-11-21 00:40:56,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.66666666666667) internal successors, (251), 2 states have internal predecessors, (251), 2 states have call successors, (124), 2 states have call predecessors, (124), 1 states have return successors, (123), 1 states have call predecessors, (123), 1 states have call successors, (123) [2021-11-21 00:40:56,783 INFO L276 IsEmpty]: Start isEmpty. Operand 119480 states and 177575 transitions. [2021-11-21 00:40:57,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 848 [2021-11-21 00:40:57,639 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:40:57,639 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 14, 11, 11, 11, 11, 10, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:40:57,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-21 00:40:57,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:40:57,841 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:40:57,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:40:57,842 INFO L85 PathProgramCache]: Analyzing trace with hash -513255932, now seen corresponding path program 1 times [2021-11-21 00:40:57,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:40:57,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249474685] [2021-11-21 00:40:57,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:40:57,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:40:58,233 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:40:58,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [25905915] [2021-11-21 00:40:58,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:40:58,234 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:40:58,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:40:58,235 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:40:58,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e645280-faf5-42cf-8c24-d8d5e0b93fd5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 00:41:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:41:03,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 15585 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:41:03,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:41:06,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2983 backedges. 895 proven. 0 refuted. 0 times theorem prover too weak. 2088 trivial. 0 not checked. [2021-11-21 00:41:06,097 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:41:06,097 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:41:06,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249474685] [2021-11-21 00:41:06,097 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:41:06,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25905915] [2021-11-21 00:41:06,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [25905915] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:41:06,097 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:41:06,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:41:06,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476384110] [2021-11-21 00:41:06,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:41:06,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:41:06,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:41:06,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:41:06,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:41:06,100 INFO L87 Difference]: Start difference. First operand 119480 states and 177575 transitions. Second operand has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 3 states have call successors, (126), 3 states have call predecessors, (126), 3 states have return successors, (125), 3 states have call predecessors, (125), 3 states have call successors, (125) [2021-11-21 00:41:08,264 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:41:11,257 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:41:13,049 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:41:20,060 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:41:24,254 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:41:26,321 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:41:29,999 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:41:32,062 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:41:34,609 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []