./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--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9be531e7af87cba73be4f8246e93f3d32963d00e421fc44d0f45559eac1d9e7a --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 04:11:33,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 04:11:33,368 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 04:11:33,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 04:11:33,400 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 04:11:33,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 04:11:33,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 04:11:33,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 04:11:33,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 04:11:33,410 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 04:11:33,410 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 04:11:33,411 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 04:11:33,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 04:11:33,413 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 04:11:33,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 04:11:33,419 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 04:11:33,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 04:11:33,421 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 04:11:33,422 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 04:11:33,426 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 04:11:33,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 04:11:33,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 04:11:33,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 04:11:33,429 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 04:11:33,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 04:11:33,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 04:11:33,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 04:11:33,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 04:11:33,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 04:11:33,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 04:11:33,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 04:11:33,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 04:11:33,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 04:11:33,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 04:11:33,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 04:11:33,440 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 04:11:33,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 04:11:33,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 04:11:33,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 04:11:33,442 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 04:11:33,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 04:11:33,443 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 04:11:33,461 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 04:11:33,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 04:11:33,462 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 04:11:33,462 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 04:11:33,463 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 04:11:33,463 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 04:11:33,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 04:11:33,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 04:11:33,464 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 04:11:33,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 04:11:33,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 04:11:33,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 04:11:33,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 04:11:33,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 04:11:33,465 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 04:11:33,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 04:11:33,466 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 04:11:33,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 04:11:33,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 04:11:33,466 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 04:11:33,466 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 04:11:33,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:11:33,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 04:11:33,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 04:11:33,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 04:11:33,467 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 04:11:33,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 04:11:33,468 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 04:11:33,469 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 04:11:33,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 04:11:33,469 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 04:11:33,469 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9be531e7af87cba73be4f8246e93f3d32963d00e421fc44d0f45559eac1d9e7a [2021-12-16 04:11:33,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 04:11:33,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 04:11:33,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 04:11:33,727 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 04:11:33,728 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 04:11:33,736 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2021-12-16 04:11:33,849 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2cf6c52c/d340c0bf0d094cf7b0682af84937fecb/FLAG6b7cf802b [2021-12-16 04:11:34,465 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 04:11:34,466 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2021-12-16 04:11:34,503 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2cf6c52c/d340c0bf0d094cf7b0682af84937fecb/FLAG6b7cf802b [2021-12-16 04:11:34,808 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2cf6c52c/d340c0bf0d094cf7b0682af84937fecb [2021-12-16 04:11:34,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 04:11:34,811 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 04:11:34,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 04:11:34,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 04:11:34,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 04:11:34,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:11:34" (1/1) ... [2021-12-16 04:11:34,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18b76303 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:11:34, skipping insertion in model container [2021-12-16 04:11:34,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:11:34" (1/1) ... [2021-12-16 04:11:34,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 04:11:34,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 04:11:36,946 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i[354644,354657] [2021-12-16 04:11:36,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:11:37,047 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 04:11:37,416 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i[354644,354657] [2021-12-16 04:11:37,422 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:11:37,510 INFO L208 MainTranslator]: Completed translation [2021-12-16 04:11:37,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:11:37 WrapperNode [2021-12-16 04:11:37,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 04:11:37,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 04:11:37,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 04:11:37,514 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 04:11:37,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:11:37" (1/1) ... [2021-12-16 04:11:37,631 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:11:37" (1/1) ... [2021-12-16 04:11:37,815 INFO L137 Inliner]: procedures = 371, calls = 4454, calls flagged for inlining = 165, calls inlined = 164, statements flattened = 10052 [2021-12-16 04:11:37,815 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 04:11:37,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 04:11:37,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 04:11:37,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 04:11:37,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:11:37" (1/1) ... [2021-12-16 04:11:37,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:11:37" (1/1) ... [2021-12-16 04:11:37,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:11:37" (1/1) ... [2021-12-16 04:11:37,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:11:37" (1/1) ... [2021-12-16 04:11:38,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:11:37" (1/1) ... [2021-12-16 04:11:38,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:11:37" (1/1) ... [2021-12-16 04:11:38,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:11:37" (1/1) ... [2021-12-16 04:11:38,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 04:11:38,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 04:11:38,167 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 04:11:38,167 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 04:11:38,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:11:37" (1/1) ... [2021-12-16 04:11:38,173 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:11:38,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:11:38,218 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-16 04:11:38,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-16 04:11:38,248 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-16 04:11:38,255 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-16 04:11:38,255 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_open [2021-12-16 04:11:38,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_open [2021-12-16 04:11:38,256 INFO L130 BoogieDeclarations]: Found specification of procedure put_qp_write [2021-12-16 04:11:38,256 INFO L138 BoogieDeclarations]: Found implementation of procedure put_qp_write [2021-12-16 04:11:38,256 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_close [2021-12-16 04:11:38,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_close [2021-12-16 04:11:38,256 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_qp [2021-12-16 04:11:38,256 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_qp [2021-12-16 04:11:38,256 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-12-16 04:11:38,256 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-12-16 04:11:38,256 INFO L130 BoogieDeclarations]: Found specification of procedure fdget [2021-12-16 04:11:38,256 INFO L138 BoogieDeclarations]: Found implementation of procedure fdget [2021-12-16 04:11:38,256 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2021-12-16 04:11:38,256 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2021-12-16 04:11:38,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 04:11:38,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 04:11:38,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 04:11:38,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 04:11:38,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 04:11:38,256 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 04:11:38,257 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_cq [2021-12-16 04:11:38,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_cq [2021-12-16 04:11:38,257 INFO L130 BoogieDeclarations]: Found specification of procedure show_ibdev [2021-12-16 04:11:38,257 INFO L138 BoogieDeclarations]: Found implementation of procedure show_ibdev [2021-12-16 04:11:38,257 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_device [2021-12-16 04:11:38,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_device [2021-12-16 04:11:38,257 INFO L130 BoogieDeclarations]: Found specification of procedure fd_install [2021-12-16 04:11:38,257 INFO L138 BoogieDeclarations]: Found implementation of procedure fd_install [2021-12-16 04:11:38,257 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_close [2021-12-16 04:11:38,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_close [2021-12-16 04:11:38,257 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2021-12-16 04:11:38,257 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2021-12-16 04:11:38,257 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_to_udata [2021-12-16 04:11:38,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_to_udata [2021-12-16 04:11:38,257 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-16 04:11:38,257 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-16 04:11:38,257 INFO L130 BoogieDeclarations]: Found specification of procedure put_pd_read [2021-12-16 04:11:38,258 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pd_read [2021-12-16 04:11:38,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 04:11:38,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 04:11:38,258 INFO L130 BoogieDeclarations]: Found specification of procedure idr_write_qp [2021-12-16 04:11:38,258 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_write_qp [2021-12-16 04:11:38,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-16 04:11:38,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-16 04:11:38,258 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_uobj [2021-12-16 04:11:38,258 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_uobj [2021-12-16 04:11:38,258 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_xrcd [2021-12-16 04:11:38,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_xrcd [2021-12-16 04:11:38,258 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_file [2021-12-16 04:11:38,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_file [2021-12-16 04:11:38,258 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-16 04:11:38,258 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-16 04:11:38,258 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-16 04:11:38,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-16 04:11:38,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-16 04:11:38,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-16 04:11:38,259 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2021-12-16 04:11:38,259 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2021-12-16 04:11:38,259 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_pd [2021-12-16 04:11:38,259 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_pd [2021-12-16 04:11:38,259 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_modify_srq [2021-12-16 04:11:38,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_modify_srq [2021-12-16 04:11:38,259 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-12-16 04:11:38,259 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-12-16 04:11:38,259 INFO L130 BoogieDeclarations]: Found specification of procedure fdput [2021-12-16 04:11:38,259 INFO L138 BoogieDeclarations]: Found implementation of procedure fdput [2021-12-16 04:11:38,259 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-16 04:11:38,259 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-16 04:11:38,259 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_ucq [2021-12-16 04:11:38,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_ucq [2021-12-16 04:11:38,259 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-16 04:11:38,259 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-16 04:11:38,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 04:11:38,260 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 04:11:38,260 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-16 04:11:38,260 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-16 04:11:38,260 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_unmarshall_recv [2021-12-16 04:11:38,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_unmarshall_recv [2021-12-16 04:11:38,260 INFO L130 BoogieDeclarations]: Found specification of procedure idr_add_uobj [2021-12-16 04:11:38,260 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_add_uobj [2021-12-16 04:11:38,260 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-16 04:11:38,260 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-16 04:11:38,260 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_ex_query_device [2021-12-16 04:11:38,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_ex_query_device [2021-12-16 04:11:38,260 INFO L130 BoogieDeclarations]: Found specification of procedure idr_write_uobj [2021-12-16 04:11:38,260 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_write_uobj [2021-12-16 04:11:38,260 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2021-12-16 04:11:38,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2021-12-16 04:11:38,260 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-16 04:11:38,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-16 04:11:38,260 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_mmap [2021-12-16 04:11:38,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_mmap [2021-12-16 04:11:38,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 04:11:38,261 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-16 04:11:38,261 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-16 04:11:38,261 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_poll [2021-12-16 04:11:38,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_poll [2021-12-16 04:11:38,261 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-16 04:11:38,261 INFO L130 BoogieDeclarations]: Found specification of procedure __uverbs_create_xsrq [2021-12-16 04:11:38,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __uverbs_create_xsrq [2021-12-16 04:11:38,261 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_fasync [2021-12-16 04:11:38,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_fasync [2021-12-16 04:11:38,261 INFO L130 BoogieDeclarations]: Found specification of procedure init_uobj [2021-12-16 04:11:38,261 INFO L138 BoogieDeclarations]: Found implementation of procedure init_uobj [2021-12-16 04:11:38,261 INFO L130 BoogieDeclarations]: Found specification of procedure put_xrcd_read [2021-12-16 04:11:38,261 INFO L138 BoogieDeclarations]: Found implementation of procedure put_xrcd_read [2021-12-16 04:11:38,261 INFO L130 BoogieDeclarations]: Found specification of procedure copy_query_dev_fields [2021-12-16 04:11:38,261 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_query_dev_fields [2021-12-16 04:11:38,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 04:11:38,261 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_alloc_event_file [2021-12-16 04:11:38,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_alloc_event_file [2021-12-16 04:11:38,262 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-16 04:11:38,262 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-16 04:11:38,262 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-16 04:11:38,262 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2021-12-16 04:11:38,263 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2021-12-16 04:11:38,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-16 04:11:38,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-16 04:11:38,264 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj [2021-12-16 04:11:38,264 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj [2021-12-16 04:11:38,265 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-16 04:11:38,266 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-16 04:11:38,266 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_read [2021-12-16 04:11:38,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_read [2021-12-16 04:11:38,266 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-16 04:11:38,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-16 04:11:38,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 04:11:38,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 04:11:38,267 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-16 04:11:38,267 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-16 04:11:38,267 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_obj [2021-12-16 04:11:38,267 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_obj [2021-12-16 04:11:38,267 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_qp [2021-12-16 04:11:38,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_qp [2021-12-16 04:11:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove_uobj [2021-12-16 04:11:38,268 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove_uobj [2021-12-16 04:11:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-16 04:11:38,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-16 04:11:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-16 04:11:38,268 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-16 04:11:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2021-12-16 04:11:38,268 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2021-12-16 04:11:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-16 04:11:38,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-16 04:11:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-16 04:11:38,269 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-16 04:11:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_ah [2021-12-16 04:11:38,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_ah [2021-12-16 04:11:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-16 04:11:38,269 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-16 04:11:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2021-12-16 04:11:38,269 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2021-12-16 04:11:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-16 04:11:38,270 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-16 04:11:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj_read [2021-12-16 04:11:38,270 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj_read [2021-12-16 04:11:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-16 04:11:38,270 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-16 04:11:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_srq [2021-12-16 04:11:38,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_srq [2021-12-16 04:11:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_write [2021-12-16 04:11:38,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_write [2021-12-16 04:11:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 04:11:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-16 04:11:38,271 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-16 04:11:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_search [2021-12-16 04:11:38,271 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_search [2021-12-16 04:11:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-16 04:11:38,271 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-16 04:11:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 04:11:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_mw [2021-12-16 04:11:38,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_mw [2021-12-16 04:11:38,272 INFO L130 BoogieDeclarations]: Found specification of procedure __idr_get_uobj [2021-12-16 04:11:38,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __idr_get_uobj [2021-12-16 04:11:38,272 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj_write [2021-12-16 04:11:38,272 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj_write [2021-12-16 04:11:38,272 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-12-16 04:11:38,272 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-12-16 04:11:38,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 04:11:38,272 INFO L130 BoogieDeclarations]: Found specification of procedure put_srq_read [2021-12-16 04:11:38,272 INFO L138 BoogieDeclarations]: Found implementation of procedure put_srq_read [2021-12-16 04:11:38,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 04:11:38,273 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 04:11:38,273 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dereg_mr [2021-12-16 04:11:38,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dereg_mr [2021-12-16 04:11:38,273 INFO L130 BoogieDeclarations]: Found specification of procedure put_unused_fd [2021-12-16 04:11:38,273 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unused_fd [2021-12-16 04:11:38,273 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-16 04:11:38,273 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-16 04:11:38,273 INFO L130 BoogieDeclarations]: Found specification of procedure create_cq [2021-12-16 04:11:38,273 INFO L138 BoogieDeclarations]: Found implementation of procedure create_cq [2021-12-16 04:11:38,274 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 04:11:38,274 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 04:11:38,274 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-16 04:11:38,275 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-16 04:11:38,275 INFO L130 BoogieDeclarations]: Found specification of procedure modify_qp_mask [2021-12-16 04:11:38,275 INFO L138 BoogieDeclarations]: Found implementation of procedure modify_qp_mask [2021-12-16 04:11:38,275 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2021-12-16 04:11:38,275 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2021-12-16 04:11:38,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 04:11:38,275 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-16 04:11:38,275 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-16 04:11:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2021-12-16 04:11:38,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2021-12-16 04:11:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_zero_bit [2021-12-16 04:11:38,276 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_zero_bit [2021-12-16 04:11:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2021-12-16 04:11:38,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2021-12-16 04:11:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-16 04:11:38,276 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-16 04:11:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 04:11:38,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 04:11:38,277 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-16 04:11:38,277 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-16 04:11:38,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-16 04:11:38,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-16 04:11:38,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 04:11:38,277 INFO L130 BoogieDeclarations]: Found specification of procedure get_unused_fd_flags [2021-12-16 04:11:38,277 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unused_fd_flags [2021-12-16 04:11:38,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-16 04:11:38,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-16 04:11:38,278 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-16 04:11:38,278 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-16 04:11:38,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 04:11:38,278 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_xrcd [2021-12-16 04:11:38,278 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_xrcd [2021-12-16 04:11:38,278 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-16 04:11:38,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-16 04:11:38,279 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-16 04:11:38,279 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-16 04:11:38,279 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-12-16 04:11:38,279 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-12-16 04:11:38,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 04:11:38,279 INFO L130 BoogieDeclarations]: Found specification of procedure ib_check_mr_access [2021-12-16 04:11:38,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_check_mr_access [2021-12-16 04:11:38,279 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-16 04:11:38,280 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-16 04:11:38,280 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-16 04:11:38,280 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 04:11:38,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 04:11:38,280 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2021-12-16 04:11:38,280 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2021-12-16 04:11:38,280 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-16 04:11:38,280 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-16 04:11:38,281 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_flow [2021-12-16 04:11:38,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_flow [2021-12-16 04:11:38,283 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-16 04:11:38,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-16 04:11:38,283 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get___0 [2021-12-16 04:11:38,283 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get___0 [2021-12-16 04:11:38,283 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_delete [2021-12-16 04:11:38,283 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_delete [2021-12-16 04:11:38,283 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_remove_one [2021-12-16 04:11:38,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_remove_one [2021-12-16 04:11:38,287 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-16 04:11:38,287 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-16 04:11:38,287 INFO L130 BoogieDeclarations]: Found specification of procedure ib_detach_mcast [2021-12-16 04:11:38,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_detach_mcast [2021-12-16 04:11:38,287 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-16 04:11:38,287 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-16 04:11:38,287 INFO L130 BoogieDeclarations]: Found specification of procedure show_dev_abi_version [2021-12-16 04:11:38,287 INFO L138 BoogieDeclarations]: Found implementation of procedure show_dev_abi_version [2021-12-16 04:11:38,287 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2021-12-16 04:11:38,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2021-12-16 04:11:38,288 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2021-12-16 04:11:38,288 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2021-12-16 04:11:38,288 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_cq [2021-12-16 04:11:38,288 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_cq [2021-12-16 04:11:38,288 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-16 04:11:38,288 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-16 04:11:38,288 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_srq [2021-12-16 04:11:38,288 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_srq [2021-12-16 04:11:38,288 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-16 04:11:38,289 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-16 04:11:38,289 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_add_one [2021-12-16 04:11:38,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_add_one [2021-12-16 04:11:38,289 INFO L130 BoogieDeclarations]: Found specification of procedure put_qp_read [2021-12-16 04:11:38,289 INFO L138 BoogieDeclarations]: Found implementation of procedure put_qp_read [2021-12-16 04:11:38,289 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-16 04:11:38,289 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-16 04:11:38,289 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2021-12-16 04:11:38,289 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2021-12-16 04:11:38,289 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-16 04:11:38,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-16 04:11:38,290 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2021-12-16 04:11:38,290 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2021-12-16 04:11:38,290 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_from_udata [2021-12-16 04:11:38,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_from_udata [2021-12-16 04:11:38,290 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-16 04:11:38,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-16 04:11:38,290 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_uevent [2021-12-16 04:11:38,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_uevent [2021-12-16 04:11:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-16 04:11:38,333 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-16 04:11:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure put_cq_read [2021-12-16 04:11:38,334 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cq_read [2021-12-16 04:11:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_modify_qp [2021-12-16 04:11:38,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_modify_qp [2021-12-16 04:11:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 04:11:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure show_class_attr_string [2021-12-16 04:11:38,334 INFO L138 BoogieDeclarations]: Found implementation of procedure show_class_attr_string [2021-12-16 04:11:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_pd [2021-12-16 04:11:38,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_pd [2021-12-16 04:11:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 04:11:38,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 04:11:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2021-12-16 04:11:38,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2021-12-16 04:11:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-16 04:11:38,334 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-16 04:11:39,138 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 04:11:39,141 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 04:11:39,630 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 04:12:05,168 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 04:12:05,194 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 04:12:05,195 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 04:12:05,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:12:05 BoogieIcfgContainer [2021-12-16 04:12:05,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 04:12:05,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 04:12:05,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 04:12:05,206 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 04:12:05,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:11:34" (1/3) ... [2021-12-16 04:12:05,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6e61d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:12:05, skipping insertion in model container [2021-12-16 04:12:05,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:11:37" (2/3) ... [2021-12-16 04:12:05,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6e61d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:12:05, skipping insertion in model container [2021-12-16 04:12:05,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:12:05" (3/3) ... [2021-12-16 04:12:05,209 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2021-12-16 04:12:05,213 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 04:12:05,213 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 04:12:05,270 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 04:12:05,275 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=PETRI_NET, 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 [2021-12-16 04:12:05,275 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 04:12:05,344 INFO L276 IsEmpty]: Start isEmpty. Operand has 3003 states, 1984 states have (on average 1.3634072580645162) internal successors, (2705), 2060 states have internal predecessors, (2705), 872 states have call successors, (872), 146 states have call predecessors, (872), 145 states have return successors, (863), 857 states have call predecessors, (863), 863 states have call successors, (863) [2021-12-16 04:12:05,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2021-12-16 04:12:05,360 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:12:05,361 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:12:05,362 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:12:05,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:12:05,366 INFO L85 PathProgramCache]: Analyzing trace with hash 959065383, now seen corresponding path program 1 times [2021-12-16 04:12:05,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:12:05,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875275792] [2021-12-16 04:12:05,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:12:05,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:12:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:12:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:12:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:12:06,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:12:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:06,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:12:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:12:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-16 04:12:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-16 04:12:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:06,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-16 04:12:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:12:06,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:06,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-16 04:12:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:06,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-16 04:12:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-16 04:12:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:06,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-16 04:12:06,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-16 04:12:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-16 04:12:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:06,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-16 04:12:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:12:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-16 04:12:06,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-12-16 04:12:06,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-16 04:12:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:06,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-16 04:12:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:07,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:07,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-16 04:12:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:07,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:07,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:07,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-16 04:12:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:07,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:07,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-16 04:12:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:07,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:07,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-12-16 04:12:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:07,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:07,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:07,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-16 04:12:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:07,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:07,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-16 04:12:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:07,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:07,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:07,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-12-16 04:12:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:07,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:12:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:12:07,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2399 trivial. 0 not checked. [2021-12-16 04:12:07,178 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:12:07,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875275792] [2021-12-16 04:12:07,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875275792] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:12:07,180 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:12:07,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 04:12:07,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835266983] [2021-12-16 04:12:07,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:12:07,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 04:12:07,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:12:07,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 04:12:07,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:12:07,212 INFO L87 Difference]: Start difference. First operand has 3003 states, 1984 states have (on average 1.3634072580645162) internal successors, (2705), 2060 states have internal predecessors, (2705), 872 states have call successors, (872), 146 states have call predecessors, (872), 145 states have return successors, (863), 857 states have call predecessors, (863), 863 states have call successors, (863) Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-16 04:12:11,197 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:12:13,226 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:12:15,478 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:12:19,050 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:12:21,115 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:12:24,504 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:12:26,538 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:12:28,688 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:12:30,747 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:12:34,704 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:12:39,156 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:12:42,246 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []