./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 839c364b 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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 17:57:17,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 17:57:17,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 17:57:17,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 17:57:17,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 17:57:17,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 17:57:17,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 17:57:17,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 17:57:17,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 17:57:17,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 17:57:17,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 17:57:17,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 17:57:17,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 17:57:17,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 17:57:17,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 17:57:17,286 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 17:57:17,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 17:57:17,287 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 17:57:17,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 17:57:17,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 17:57:17,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 17:57:17,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 17:57:17,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 17:57:17,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 17:57:17,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 17:57:17,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 17:57:17,303 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 17:57:17,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 17:57:17,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 17:57:17,305 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 17:57:17,305 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 17:57:17,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 17:57:17,306 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 17:57:17,307 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 17:57:17,308 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 17:57:17,308 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 17:57:17,309 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 17:57:17,309 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 17:57:17,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 17:57:17,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 17:57:17,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 17:57:17,312 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 17:57:17,337 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 17:57:17,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 17:57:17,338 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 17:57:17,338 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 17:57:17,338 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 17:57:17,339 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 17:57:17,339 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 17:57:17,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 17:57:17,339 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 17:57:17,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 17:57:17,340 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 17:57:17,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 17:57:17,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 17:57:17,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 17:57:17,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 17:57:17,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 17:57:17,341 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 17:57:17,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 17:57:17,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 17:57:17,341 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 17:57:17,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 17:57:17,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:57:17,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 17:57:17,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 17:57:17,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 17:57:17,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 17:57:17,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 17:57:17,343 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 17:57:17,343 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 17:57:17,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 17:57:17,344 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 17:57:17,344 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9be531e7af87cba73be4f8246e93f3d32963d00e421fc44d0f45559eac1d9e7a [2021-12-14 17:57:17,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 17:57:17,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 17:57:17,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 17:57:17,535 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 17:57:17,535 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 17:57:17,536 INFO L432 ainManager$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 [2021-12-14 17:57:17,604 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf30e360c/b590a91cdb1d4a60928f22d24d3e4df5/FLAG259bb6c1f [2021-12-14 17:57:18,277 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 17:57:18,278 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 [2021-12-14 17:57:18,317 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf30e360c/b590a91cdb1d4a60928f22d24d3e4df5/FLAG259bb6c1f [2021-12-14 17:57:18,395 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf30e360c/b590a91cdb1d4a60928f22d24d3e4df5 [2021-12-14 17:57:18,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 17:57:18,399 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 17:57:18,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 17:57:18,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 17:57:18,411 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 17:57:18,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:57:18" (1/1) ... [2021-12-14 17:57:18,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20530d35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:18, skipping insertion in model container [2021-12-14 17:57:18,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:57:18" (1/1) ... [2021-12-14 17:57:18,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 17:57:18,546 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 17:57:20,209 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] [2021-12-14 17:57:20,250 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:57:20,304 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 17:57:20,620 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] [2021-12-14 17:57:20,625 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:57:20,724 INFO L208 MainTranslator]: Completed translation [2021-12-14 17:57:20,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:20 WrapperNode [2021-12-14 17:57:20,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 17:57:20,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 17:57:20,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 17:57:20,727 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 17:57:20,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:20" (1/1) ... [2021-12-14 17:57:20,860 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:20" (1/1) ... [2021-12-14 17:57:21,063 INFO L137 Inliner]: procedures = 371, calls = 4454, calls flagged for inlining = 165, calls inlined = 164, statements flattened = 10052 [2021-12-14 17:57:21,063 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 17:57:21,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 17:57:21,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 17:57:21,064 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 17:57:21,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:20" (1/1) ... [2021-12-14 17:57:21,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:20" (1/1) ... [2021-12-14 17:57:21,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:20" (1/1) ... [2021-12-14 17:57:21,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:20" (1/1) ... [2021-12-14 17:57:21,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:20" (1/1) ... [2021-12-14 17:57:21,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:20" (1/1) ... [2021-12-14 17:57:21,440 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:20" (1/1) ... [2021-12-14 17:57:21,503 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 17:57:21,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 17:57:21,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 17:57:21,505 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 17:57:21,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:20" (1/1) ... [2021-12-14 17:57:21,513 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:57:21,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:57:21,552 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) [2021-12-14 17:57:21,596 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 [2021-12-14 17:57:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-14 17:57:21,618 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-14 17:57:21,618 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_open [2021-12-14 17:57:21,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_open [2021-12-14 17:57:21,618 INFO L130 BoogieDeclarations]: Found specification of procedure put_qp_write [2021-12-14 17:57:21,618 INFO L138 BoogieDeclarations]: Found implementation of procedure put_qp_write [2021-12-14 17:57:21,619 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_close [2021-12-14 17:57:21,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_close [2021-12-14 17:57:21,619 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_qp [2021-12-14 17:57:21,619 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_qp [2021-12-14 17:57:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-12-14 17:57:21,620 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-12-14 17:57:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure fdget [2021-12-14 17:57:21,620 INFO L138 BoogieDeclarations]: Found implementation of procedure fdget [2021-12-14 17:57:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2021-12-14 17:57:21,620 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2021-12-14 17:57:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 17:57:21,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 17:57:21,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 17:57:21,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 17:57:21,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 17:57:21,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 17:57:21,621 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_cq [2021-12-14 17:57:21,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_cq [2021-12-14 17:57:21,622 INFO L130 BoogieDeclarations]: Found specification of procedure show_ibdev [2021-12-14 17:57:21,622 INFO L138 BoogieDeclarations]: Found implementation of procedure show_ibdev [2021-12-14 17:57:21,622 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_device [2021-12-14 17:57:21,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_device [2021-12-14 17:57:21,622 INFO L130 BoogieDeclarations]: Found specification of procedure fd_install [2021-12-14 17:57:21,622 INFO L138 BoogieDeclarations]: Found implementation of procedure fd_install [2021-12-14 17:57:21,622 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_close [2021-12-14 17:57:21,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_close [2021-12-14 17:57:21,623 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2021-12-14 17:57:21,623 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2021-12-14 17:57:21,623 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_to_udata [2021-12-14 17:57:21,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_to_udata [2021-12-14 17:57:21,623 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-14 17:57:21,623 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-14 17:57:21,623 INFO L130 BoogieDeclarations]: Found specification of procedure put_pd_read [2021-12-14 17:57:21,624 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pd_read [2021-12-14 17:57:21,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 17:57:21,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 17:57:21,624 INFO L130 BoogieDeclarations]: Found specification of procedure idr_write_qp [2021-12-14 17:57:21,624 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_write_qp [2021-12-14 17:57:21,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-14 17:57:21,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-14 17:57:21,625 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_uobj [2021-12-14 17:57:21,625 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_uobj [2021-12-14 17:57:21,625 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_xrcd [2021-12-14 17:57:21,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_xrcd [2021-12-14 17:57:21,625 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_file [2021-12-14 17:57:21,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_file [2021-12-14 17:57:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-14 17:57:21,626 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-14 17:57:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-14 17:57:21,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-14 17:57:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 17:57:21,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 17:57:21,628 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2021-12-14 17:57:21,628 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2021-12-14 17:57:21,628 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_pd [2021-12-14 17:57:21,629 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_pd [2021-12-14 17:57:21,629 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_modify_srq [2021-12-14 17:57:21,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_modify_srq [2021-12-14 17:57:21,629 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-12-14 17:57:21,629 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-12-14 17:57:21,629 INFO L130 BoogieDeclarations]: Found specification of procedure fdput [2021-12-14 17:57:21,629 INFO L138 BoogieDeclarations]: Found implementation of procedure fdput [2021-12-14 17:57:21,630 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 17:57:21,630 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 17:57:21,630 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_ucq [2021-12-14 17:57:21,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_ucq [2021-12-14 17:57:21,630 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-14 17:57:21,630 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-14 17:57:21,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 17:57:21,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 17:57:21,631 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 17:57:21,631 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 17:57:21,631 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_unmarshall_recv [2021-12-14 17:57:21,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_unmarshall_recv [2021-12-14 17:57:21,632 INFO L130 BoogieDeclarations]: Found specification of procedure idr_add_uobj [2021-12-14 17:57:21,632 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_add_uobj [2021-12-14 17:57:21,632 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 17:57:21,632 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 17:57:21,632 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_ex_query_device [2021-12-14 17:57:21,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_ex_query_device [2021-12-14 17:57:21,632 INFO L130 BoogieDeclarations]: Found specification of procedure idr_write_uobj [2021-12-14 17:57:21,633 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_write_uobj [2021-12-14 17:57:21,633 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2021-12-14 17:57:21,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2021-12-14 17:57:21,633 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-14 17:57:21,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-14 17:57:21,634 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_mmap [2021-12-14 17:57:21,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_mmap [2021-12-14 17:57:21,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 17:57:21,634 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 17:57:21,635 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 17:57:21,635 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_poll [2021-12-14 17:57:21,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_poll [2021-12-14 17:57:21,635 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-14 17:57:21,636 INFO L130 BoogieDeclarations]: Found specification of procedure __uverbs_create_xsrq [2021-12-14 17:57:21,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __uverbs_create_xsrq [2021-12-14 17:57:21,636 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_fasync [2021-12-14 17:57:21,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_fasync [2021-12-14 17:57:21,636 INFO L130 BoogieDeclarations]: Found specification of procedure init_uobj [2021-12-14 17:57:21,636 INFO L138 BoogieDeclarations]: Found implementation of procedure init_uobj [2021-12-14 17:57:21,637 INFO L130 BoogieDeclarations]: Found specification of procedure put_xrcd_read [2021-12-14 17:57:21,637 INFO L138 BoogieDeclarations]: Found implementation of procedure put_xrcd_read [2021-12-14 17:57:21,637 INFO L130 BoogieDeclarations]: Found specification of procedure copy_query_dev_fields [2021-12-14 17:57:21,637 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_query_dev_fields [2021-12-14 17:57:21,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 17:57:21,637 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_alloc_event_file [2021-12-14 17:57:21,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_alloc_event_file [2021-12-14 17:57:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-14 17:57:21,638 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-14 17:57:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-14 17:57:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2021-12-14 17:57:21,639 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2021-12-14 17:57:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 17:57:21,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 17:57:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj [2021-12-14 17:57:21,641 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj [2021-12-14 17:57:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-14 17:57:21,642 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-14 17:57:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_read [2021-12-14 17:57:21,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_read [2021-12-14 17:57:21,644 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-14 17:57:21,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-14 17:57:21,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 17:57:21,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 17:57:21,650 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-14 17:57:21,650 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-14 17:57:21,650 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_obj [2021-12-14 17:57:21,650 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_obj [2021-12-14 17:57:21,650 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_qp [2021-12-14 17:57:21,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_qp [2021-12-14 17:57:21,650 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove_uobj [2021-12-14 17:57:21,651 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove_uobj [2021-12-14 17:57:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-14 17:57:21,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-14 17:57:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-14 17:57:21,651 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-14 17:57:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2021-12-14 17:57:21,651 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2021-12-14 17:57:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-14 17:57:21,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-14 17:57:21,652 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-14 17:57:21,652 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-14 17:57:21,652 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_ah [2021-12-14 17:57:21,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_ah [2021-12-14 17:57:21,652 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-14 17:57:21,652 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-14 17:57:21,652 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2021-12-14 17:57:21,652 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2021-12-14 17:57:21,653 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-14 17:57:21,653 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-14 17:57:21,653 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj_read [2021-12-14 17:57:21,653 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj_read [2021-12-14 17:57:21,653 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 17:57:21,653 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 17:57:21,653 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_srq [2021-12-14 17:57:21,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_srq [2021-12-14 17:57:21,654 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_write [2021-12-14 17:57:21,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_write [2021-12-14 17:57:21,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 17:57:21,654 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-14 17:57:21,654 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-14 17:57:21,654 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_search [2021-12-14 17:57:21,654 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_search [2021-12-14 17:57:21,654 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-14 17:57:21,654 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-14 17:57:21,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 17:57:21,655 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_mw [2021-12-14 17:57:21,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_mw [2021-12-14 17:57:21,655 INFO L130 BoogieDeclarations]: Found specification of procedure __idr_get_uobj [2021-12-14 17:57:21,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __idr_get_uobj [2021-12-14 17:57:21,655 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj_write [2021-12-14 17:57:21,655 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj_write [2021-12-14 17:57:21,655 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-12-14 17:57:21,656 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-12-14 17:57:21,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 17:57:21,656 INFO L130 BoogieDeclarations]: Found specification of procedure put_srq_read [2021-12-14 17:57:21,656 INFO L138 BoogieDeclarations]: Found implementation of procedure put_srq_read [2021-12-14 17:57:21,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 17:57:21,656 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 17:57:21,656 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dereg_mr [2021-12-14 17:57:21,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dereg_mr [2021-12-14 17:57:21,656 INFO L130 BoogieDeclarations]: Found specification of procedure put_unused_fd [2021-12-14 17:57:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unused_fd [2021-12-14 17:57:21,657 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-14 17:57:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-14 17:57:21,657 INFO L130 BoogieDeclarations]: Found specification of procedure create_cq [2021-12-14 17:57:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure create_cq [2021-12-14 17:57:21,657 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 17:57:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 17:57:21,657 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-14 17:57:21,658 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-14 17:57:21,658 INFO L130 BoogieDeclarations]: Found specification of procedure modify_qp_mask [2021-12-14 17:57:21,658 INFO L138 BoogieDeclarations]: Found implementation of procedure modify_qp_mask [2021-12-14 17:57:21,658 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2021-12-14 17:57:21,658 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2021-12-14 17:57:21,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 17:57:21,658 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-14 17:57:21,658 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-14 17:57:21,659 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2021-12-14 17:57:21,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2021-12-14 17:57:21,659 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_zero_bit [2021-12-14 17:57:21,659 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_zero_bit [2021-12-14 17:57:21,659 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2021-12-14 17:57:21,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2021-12-14 17:57:21,659 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-14 17:57:21,659 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-14 17:57:21,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 17:57:21,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 17:57:21,660 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-14 17:57:21,660 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-14 17:57:21,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-14 17:57:21,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-14 17:57:21,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 17:57:21,660 INFO L130 BoogieDeclarations]: Found specification of procedure get_unused_fd_flags [2021-12-14 17:57:21,660 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unused_fd_flags [2021-12-14 17:57:21,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-14 17:57:21,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-14 17:57:21,661 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-14 17:57:21,661 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-14 17:57:21,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 17:57:21,661 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_xrcd [2021-12-14 17:57:21,661 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_xrcd [2021-12-14 17:57:21,661 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-14 17:57:21,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-14 17:57:21,662 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-14 17:57:21,662 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-14 17:57:21,662 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-12-14 17:57:21,662 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-12-14 17:57:21,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 17:57:21,662 INFO L130 BoogieDeclarations]: Found specification of procedure ib_check_mr_access [2021-12-14 17:57:21,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_check_mr_access [2021-12-14 17:57:21,662 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-14 17:57:21,663 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-14 17:57:21,663 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 17:57:21,663 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 17:57:21,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 17:57:21,663 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2021-12-14 17:57:21,663 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2021-12-14 17:57:21,663 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-14 17:57:21,664 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-14 17:57:21,667 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_flow [2021-12-14 17:57:21,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_flow [2021-12-14 17:57:21,667 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-14 17:57:21,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-14 17:57:21,667 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get___0 [2021-12-14 17:57:21,667 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get___0 [2021-12-14 17:57:21,668 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_delete [2021-12-14 17:57:21,668 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_delete [2021-12-14 17:57:21,668 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_remove_one [2021-12-14 17:57:21,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_remove_one [2021-12-14 17:57:21,669 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-14 17:57:21,669 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-14 17:57:21,669 INFO L130 BoogieDeclarations]: Found specification of procedure ib_detach_mcast [2021-12-14 17:57:21,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_detach_mcast [2021-12-14 17:57:21,670 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-14 17:57:21,670 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-14 17:57:21,670 INFO L130 BoogieDeclarations]: Found specification of procedure show_dev_abi_version [2021-12-14 17:57:21,670 INFO L138 BoogieDeclarations]: Found implementation of procedure show_dev_abi_version [2021-12-14 17:57:21,670 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2021-12-14 17:57:21,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2021-12-14 17:57:21,670 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2021-12-14 17:57:21,670 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2021-12-14 17:57:21,670 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_cq [2021-12-14 17:57:21,671 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_cq [2021-12-14 17:57:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 17:57:21,671 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 17:57:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_srq [2021-12-14 17:57:21,671 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_srq [2021-12-14 17:57:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-14 17:57:21,671 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-14 17:57:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_add_one [2021-12-14 17:57:21,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_add_one [2021-12-14 17:57:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure put_qp_read [2021-12-14 17:57:21,672 INFO L138 BoogieDeclarations]: Found implementation of procedure put_qp_read [2021-12-14 17:57:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-14 17:57:21,672 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-14 17:57:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2021-12-14 17:57:21,672 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2021-12-14 17:57:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-14 17:57:21,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-14 17:57:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2021-12-14 17:57:21,673 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2021-12-14 17:57:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_from_udata [2021-12-14 17:57:21,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_from_udata [2021-12-14 17:57:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-14 17:57:21,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-14 17:57:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_uevent [2021-12-14 17:57:21,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_uevent [2021-12-14 17:57:21,673 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 17:57:21,674 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 17:57:21,674 INFO L130 BoogieDeclarations]: Found specification of procedure put_cq_read [2021-12-14 17:57:21,674 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cq_read [2021-12-14 17:57:21,674 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_modify_qp [2021-12-14 17:57:21,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_modify_qp [2021-12-14 17:57:21,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 17:57:21,674 INFO L130 BoogieDeclarations]: Found specification of procedure show_class_attr_string [2021-12-14 17:57:21,674 INFO L138 BoogieDeclarations]: Found implementation of procedure show_class_attr_string [2021-12-14 17:57:21,674 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_pd [2021-12-14 17:57:21,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_pd [2021-12-14 17:57:21,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 17:57:21,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 17:57:21,675 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2021-12-14 17:57:21,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2021-12-14 17:57:21,675 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-14 17:57:21,675 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-14 17:57:22,628 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 17:57:22,630 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 17:57:22,902 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 17:57:45,388 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 17:57:45,417 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 17:57:45,417 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 17:57:45,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:57:45 BoogieIcfgContainer [2021-12-14 17:57:45,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 17:57:45,422 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 17:57:45,422 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 17:57:45,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 17:57:45,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:57:18" (1/3) ... [2021-12-14 17:57:45,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ff4acec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:57:45, skipping insertion in model container [2021-12-14 17:57:45,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:20" (2/3) ... [2021-12-14 17:57:45,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ff4acec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:57:45, skipping insertion in model container [2021-12-14 17:57:45,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:57:45" (3/3) ... [2021-12-14 17:57:45,428 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2021-12-14 17:57:45,436 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 17:57:45,437 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 17:57:45,487 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 17:57:45,499 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 [2021-12-14 17:57:45,499 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 17:57:45,561 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) [2021-12-14 17:57:45,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2021-12-14 17:57:45,580 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:57:45,581 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] [2021-12-14 17:57:45,581 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:57:45,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:57:45,584 INFO L85 PathProgramCache]: Analyzing trace with hash 959065383, now seen corresponding path program 1 times [2021-12-14 17:57:45,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:57:45,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193143054] [2021-12-14 17:57:45,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:57:45,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:57:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:57:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:46,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 17:57:46,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 17:57:46,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:46,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:57:46,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 17:57:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 17:57:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:46,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 17:57:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:46,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 17:57:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:46,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 17:57:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 17:57:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 17:57:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-14 17:57:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-14 17:57:46,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-14 17:57:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-14 17:57:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:46,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-14 17:57:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-14 17:57:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:57:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-14 17:57:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:46,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:46,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-12-14 17:57:47,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:47,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:47,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:47,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-14 17:57:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:47,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:47,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-14 17:57:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:47,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:47,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-14 17:57:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:47,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:47,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:47,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-14 17:57:47,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:47,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:47,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-14 17:57:47,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:47,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:47,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-12-14 17:57:47,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:47,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:47,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:47,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-14 17:57:47,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:47,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:47,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:47,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-14 17:57:47,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:47,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:47,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-12-14 17:57:47,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:47,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:57:47,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:57:47,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2399 trivial. 0 not checked. [2021-12-14 17:57:47,197 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:57:47,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193143054] [2021-12-14 17:57:47,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193143054] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:57:47,198 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:57:47,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 17:57:47,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141360217] [2021-12-14 17:57:47,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:57:47,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 17:57:47,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:57:47,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 17:57:47,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 17:57:47,224 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) [2021-12-14 17:57:54,076 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:57:56,109 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:57:58,143 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:58:00,226 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:58:05,225 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:58:07,373 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:58:09,416 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:58:11,727 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:58:16,489 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:58:18,873 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:58:20,892 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:58:24,805 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:58:27,537 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []