./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 e19ca921 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-dev-e19ca92 [2021-12-22 14:51:25,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 14:51:25,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 14:51:25,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 14:51:25,147 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 14:51:25,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 14:51:25,149 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 14:51:25,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 14:51:25,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 14:51:25,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 14:51:25,156 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 14:51:25,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 14:51:25,158 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 14:51:25,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 14:51:25,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 14:51:25,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 14:51:25,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 14:51:25,168 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 14:51:25,169 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 14:51:25,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 14:51:25,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 14:51:25,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 14:51:25,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 14:51:25,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 14:51:25,183 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 14:51:25,184 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 14:51:25,184 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 14:51:25,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 14:51:25,185 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 14:51:25,186 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 14:51:25,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 14:51:25,186 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 14:51:25,187 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 14:51:25,188 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 14:51:25,189 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 14:51:25,189 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 14:51:25,190 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 14:51:25,190 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 14:51:25,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 14:51:25,191 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 14:51:25,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 14:51:25,192 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 14:51:25,213 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 14:51:25,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 14:51:25,216 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 14:51:25,216 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 14:51:25,216 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 14:51:25,217 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 14:51:25,217 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 14:51:25,217 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 14:51:25,217 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 14:51:25,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 14:51:25,218 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 14:51:25,218 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 14:51:25,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 14:51:25,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 14:51:25,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 14:51:25,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 14:51:25,219 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 14:51:25,219 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 14:51:25,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 14:51:25,220 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 14:51:25,220 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 14:51:25,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:51:25,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 14:51:25,220 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 14:51:25,220 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 14:51:25,220 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 14:51:25,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 14:51:25,222 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 14:51:25,222 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 14:51:25,222 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 14:51:25,222 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 14:51:25,222 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9be531e7af87cba73be4f8246e93f3d32963d00e421fc44d0f45559eac1d9e7a [2021-12-22 14:51:25,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 14:51:25,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 14:51:25,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 14:51:25,462 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 14:51:25,462 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 14:51:25,463 INFO L432 ainManager$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 [2021-12-22 14:51:25,512 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5cfd623a/8b09a2081b8e4ece8421b9f6421ce73f/FLAGdfb11b68a [2021-12-22 14:51:26,113 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 14:51:26,114 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 [2021-12-22 14:51:26,150 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5cfd623a/8b09a2081b8e4ece8421b9f6421ce73f/FLAGdfb11b68a [2021-12-22 14:51:26,289 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5cfd623a/8b09a2081b8e4ece8421b9f6421ce73f [2021-12-22 14:51:26,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 14:51:26,292 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 14:51:26,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 14:51:26,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 14:51:26,295 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 14:51:26,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:51:26" (1/1) ... [2021-12-22 14:51:26,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@373cd41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:26, skipping insertion in model container [2021-12-22 14:51:26,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:51:26" (1/1) ... [2021-12-22 14:51:26,300 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 14:51:26,404 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 14:51:27,849 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] [2021-12-22 14:51:27,898 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:51:27,945 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 14:51:28,345 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] [2021-12-22 14:51:28,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:51:28,456 INFO L208 MainTranslator]: Completed translation [2021-12-22 14:51:28,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:28 WrapperNode [2021-12-22 14:51:28,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 14:51:28,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 14:51:28,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 14:51:28,459 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 14:51:28,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:28" (1/1) ... [2021-12-22 14:51:28,577 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:28" (1/1) ... [2021-12-22 14:51:28,750 INFO L137 Inliner]: procedures = 371, calls = 4454, calls flagged for inlining = 165, calls inlined = 164, statements flattened = 10052 [2021-12-22 14:51:28,750 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 14:51:28,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 14:51:28,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 14:51:28,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 14:51:28,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:28" (1/1) ... [2021-12-22 14:51:28,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:28" (1/1) ... [2021-12-22 14:51:28,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:28" (1/1) ... [2021-12-22 14:51:28,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:28" (1/1) ... [2021-12-22 14:51:28,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:28" (1/1) ... [2021-12-22 14:51:29,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:28" (1/1) ... [2021-12-22 14:51:29,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:28" (1/1) ... [2021-12-22 14:51:29,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 14:51:29,067 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 14:51:29,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 14:51:29,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 14:51:29,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:28" (1/1) ... [2021-12-22 14:51:29,073 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:51:29,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:51:29,094 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) [2021-12-22 14:51:29,115 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 [2021-12-22 14:51:29,122 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-22 14:51:29,123 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-22 14:51:29,123 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_open [2021-12-22 14:51:29,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_open [2021-12-22 14:51:29,123 INFO L130 BoogieDeclarations]: Found specification of procedure put_qp_write [2021-12-22 14:51:29,123 INFO L138 BoogieDeclarations]: Found implementation of procedure put_qp_write [2021-12-22 14:51:29,123 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_close [2021-12-22 14:51:29,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_close [2021-12-22 14:51:29,123 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_qp [2021-12-22 14:51:29,124 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_qp [2021-12-22 14:51:29,124 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-12-22 14:51:29,124 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-12-22 14:51:29,124 INFO L130 BoogieDeclarations]: Found specification of procedure fdget [2021-12-22 14:51:29,124 INFO L138 BoogieDeclarations]: Found implementation of procedure fdget [2021-12-22 14:51:29,124 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2021-12-22 14:51:29,124 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2021-12-22 14:51:29,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 14:51:29,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 14:51:29,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 14:51:29,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 14:51:29,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 14:51:29,125 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 14:51:29,125 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_cq [2021-12-22 14:51:29,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_cq [2021-12-22 14:51:29,126 INFO L130 BoogieDeclarations]: Found specification of procedure show_ibdev [2021-12-22 14:51:29,126 INFO L138 BoogieDeclarations]: Found implementation of procedure show_ibdev [2021-12-22 14:51:29,126 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_device [2021-12-22 14:51:29,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_device [2021-12-22 14:51:29,126 INFO L130 BoogieDeclarations]: Found specification of procedure fd_install [2021-12-22 14:51:29,126 INFO L138 BoogieDeclarations]: Found implementation of procedure fd_install [2021-12-22 14:51:29,126 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_close [2021-12-22 14:51:29,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_close [2021-12-22 14:51:29,127 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2021-12-22 14:51:29,127 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2021-12-22 14:51:29,127 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_to_udata [2021-12-22 14:51:29,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_to_udata [2021-12-22 14:51:29,127 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-22 14:51:29,127 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-22 14:51:29,127 INFO L130 BoogieDeclarations]: Found specification of procedure put_pd_read [2021-12-22 14:51:29,128 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pd_read [2021-12-22 14:51:29,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 14:51:29,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 14:51:29,128 INFO L130 BoogieDeclarations]: Found specification of procedure idr_write_qp [2021-12-22 14:51:29,128 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_write_qp [2021-12-22 14:51:29,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-22 14:51:29,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-22 14:51:29,128 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_uobj [2021-12-22 14:51:29,129 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_uobj [2021-12-22 14:51:29,129 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_xrcd [2021-12-22 14:51:29,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_xrcd [2021-12-22 14:51:29,129 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_file [2021-12-22 14:51:29,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_file [2021-12-22 14:51:29,129 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 14:51:29,129 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 14:51:29,130 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-22 14:51:29,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-22 14:51:29,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 14:51:29,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 14:51:29,131 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2021-12-22 14:51:29,131 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2021-12-22 14:51:29,131 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_pd [2021-12-22 14:51:29,131 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_pd [2021-12-22 14:51:29,132 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_modify_srq [2021-12-22 14:51:29,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_modify_srq [2021-12-22 14:51:29,132 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-12-22 14:51:29,132 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-12-22 14:51:29,132 INFO L130 BoogieDeclarations]: Found specification of procedure fdput [2021-12-22 14:51:29,132 INFO L138 BoogieDeclarations]: Found implementation of procedure fdput [2021-12-22 14:51:29,133 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-22 14:51:29,133 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-22 14:51:29,133 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_ucq [2021-12-22 14:51:29,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_ucq [2021-12-22 14:51:29,133 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-22 14:51:29,134 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-22 14:51:29,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 14:51:29,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 14:51:29,134 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 14:51:29,134 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 14:51:29,134 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_unmarshall_recv [2021-12-22 14:51:29,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_unmarshall_recv [2021-12-22 14:51:29,135 INFO L130 BoogieDeclarations]: Found specification of procedure idr_add_uobj [2021-12-22 14:51:29,135 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_add_uobj [2021-12-22 14:51:29,135 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 14:51:29,135 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 14:51:29,135 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_ex_query_device [2021-12-22 14:51:29,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_ex_query_device [2021-12-22 14:51:29,135 INFO L130 BoogieDeclarations]: Found specification of procedure idr_write_uobj [2021-12-22 14:51:29,135 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_write_uobj [2021-12-22 14:51:29,136 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2021-12-22 14:51:29,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2021-12-22 14:51:29,136 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-22 14:51:29,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-22 14:51:29,137 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_mmap [2021-12-22 14:51:29,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_mmap [2021-12-22 14:51:29,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 14:51:29,137 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 14:51:29,137 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 14:51:29,138 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_poll [2021-12-22 14:51:29,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_poll [2021-12-22 14:51:29,138 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-22 14:51:29,138 INFO L130 BoogieDeclarations]: Found specification of procedure __uverbs_create_xsrq [2021-12-22 14:51:29,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __uverbs_create_xsrq [2021-12-22 14:51:29,139 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_fasync [2021-12-22 14:51:29,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_fasync [2021-12-22 14:51:29,139 INFO L130 BoogieDeclarations]: Found specification of procedure init_uobj [2021-12-22 14:51:29,139 INFO L138 BoogieDeclarations]: Found implementation of procedure init_uobj [2021-12-22 14:51:29,139 INFO L130 BoogieDeclarations]: Found specification of procedure put_xrcd_read [2021-12-22 14:51:29,139 INFO L138 BoogieDeclarations]: Found implementation of procedure put_xrcd_read [2021-12-22 14:51:29,139 INFO L130 BoogieDeclarations]: Found specification of procedure copy_query_dev_fields [2021-12-22 14:51:29,139 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_query_dev_fields [2021-12-22 14:51:29,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 14:51:29,140 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_alloc_event_file [2021-12-22 14:51:29,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_alloc_event_file [2021-12-22 14:51:29,140 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-22 14:51:29,140 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-22 14:51:29,140 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-22 14:51:29,140 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2021-12-22 14:51:29,141 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2021-12-22 14:51:29,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 14:51:29,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 14:51:29,143 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj [2021-12-22 14:51:29,143 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj [2021-12-22 14:51:29,143 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-22 14:51:29,144 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-22 14:51:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_read [2021-12-22 14:51:29,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_read [2021-12-22 14:51:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-22 14:51:29,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-22 14:51:29,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 14:51:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 14:51:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-22 14:51:29,149 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-22 14:51:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_obj [2021-12-22 14:51:29,149 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_obj [2021-12-22 14:51:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_qp [2021-12-22 14:51:29,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_qp [2021-12-22 14:51:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove_uobj [2021-12-22 14:51:29,149 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove_uobj [2021-12-22 14:51:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-22 14:51:29,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-22 14:51:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-22 14:51:29,150 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-22 14:51:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2021-12-22 14:51:29,150 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2021-12-22 14:51:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-22 14:51:29,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-22 14:51:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-22 14:51:29,150 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-22 14:51:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_ah [2021-12-22 14:51:29,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_ah [2021-12-22 14:51:29,151 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 14:51:29,151 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 14:51:29,151 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2021-12-22 14:51:29,151 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2021-12-22 14:51:29,151 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-22 14:51:29,151 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-22 14:51:29,151 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj_read [2021-12-22 14:51:29,151 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj_read [2021-12-22 14:51:29,151 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-22 14:51:29,151 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-22 14:51:29,152 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_srq [2021-12-22 14:51:29,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_srq [2021-12-22 14:51:29,152 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_write [2021-12-22 14:51:29,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_write [2021-12-22 14:51:29,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 14:51:29,152 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-22 14:51:29,152 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-22 14:51:29,152 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_search [2021-12-22 14:51:29,152 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_search [2021-12-22 14:51:29,152 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-22 14:51:29,153 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-22 14:51:29,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 14:51:29,153 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_mw [2021-12-22 14:51:29,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_mw [2021-12-22 14:51:29,153 INFO L130 BoogieDeclarations]: Found specification of procedure __idr_get_uobj [2021-12-22 14:51:29,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __idr_get_uobj [2021-12-22 14:51:29,153 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj_write [2021-12-22 14:51:29,154 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj_write [2021-12-22 14:51:29,154 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-12-22 14:51:29,154 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-12-22 14:51:29,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 14:51:29,154 INFO L130 BoogieDeclarations]: Found specification of procedure put_srq_read [2021-12-22 14:51:29,154 INFO L138 BoogieDeclarations]: Found implementation of procedure put_srq_read [2021-12-22 14:51:29,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 14:51:29,154 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 14:51:29,154 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dereg_mr [2021-12-22 14:51:29,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dereg_mr [2021-12-22 14:51:29,155 INFO L130 BoogieDeclarations]: Found specification of procedure put_unused_fd [2021-12-22 14:51:29,155 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unused_fd [2021-12-22 14:51:29,155 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-22 14:51:29,155 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-22 14:51:29,155 INFO L130 BoogieDeclarations]: Found specification of procedure create_cq [2021-12-22 14:51:29,156 INFO L138 BoogieDeclarations]: Found implementation of procedure create_cq [2021-12-22 14:51:29,156 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 14:51:29,156 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 14:51:29,156 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-22 14:51:29,156 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-22 14:51:29,156 INFO L130 BoogieDeclarations]: Found specification of procedure modify_qp_mask [2021-12-22 14:51:29,156 INFO L138 BoogieDeclarations]: Found implementation of procedure modify_qp_mask [2021-12-22 14:51:29,156 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2021-12-22 14:51:29,157 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2021-12-22 14:51:29,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 14:51:29,157 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-22 14:51:29,157 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-22 14:51:29,157 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2021-12-22 14:51:29,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2021-12-22 14:51:29,157 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_zero_bit [2021-12-22 14:51:29,157 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_zero_bit [2021-12-22 14:51:29,157 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2021-12-22 14:51:29,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2021-12-22 14:51:29,158 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-22 14:51:29,158 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-22 14:51:29,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 14:51:29,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 14:51:29,158 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-22 14:51:29,158 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-22 14:51:29,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-22 14:51:29,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-22 14:51:29,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 14:51:29,158 INFO L130 BoogieDeclarations]: Found specification of procedure get_unused_fd_flags [2021-12-22 14:51:29,158 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unused_fd_flags [2021-12-22 14:51:29,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-22 14:51:29,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-22 14:51:29,159 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-22 14:51:29,159 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-22 14:51:29,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 14:51:29,159 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_xrcd [2021-12-22 14:51:29,159 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_xrcd [2021-12-22 14:51:29,159 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-22 14:51:29,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-22 14:51:29,159 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-22 14:51:29,160 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-22 14:51:29,160 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-12-22 14:51:29,160 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-12-22 14:51:29,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 14:51:29,160 INFO L130 BoogieDeclarations]: Found specification of procedure ib_check_mr_access [2021-12-22 14:51:29,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_check_mr_access [2021-12-22 14:51:29,160 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-22 14:51:29,160 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-22 14:51:29,160 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-22 14:51:29,160 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 14:51:29,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 14:51:29,161 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2021-12-22 14:51:29,161 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2021-12-22 14:51:29,161 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-22 14:51:29,162 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-22 14:51:29,164 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_flow [2021-12-22 14:51:29,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_flow [2021-12-22 14:51:29,164 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 14:51:29,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 14:51:29,164 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get___0 [2021-12-22 14:51:29,164 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get___0 [2021-12-22 14:51:29,164 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_delete [2021-12-22 14:51:29,165 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_delete [2021-12-22 14:51:29,165 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_remove_one [2021-12-22 14:51:29,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_remove_one [2021-12-22 14:51:29,166 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-22 14:51:29,166 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-22 14:51:29,166 INFO L130 BoogieDeclarations]: Found specification of procedure ib_detach_mcast [2021-12-22 14:51:29,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_detach_mcast [2021-12-22 14:51:29,166 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-22 14:51:29,166 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-22 14:51:29,166 INFO L130 BoogieDeclarations]: Found specification of procedure show_dev_abi_version [2021-12-22 14:51:29,166 INFO L138 BoogieDeclarations]: Found implementation of procedure show_dev_abi_version [2021-12-22 14:51:29,166 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2021-12-22 14:51:29,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2021-12-22 14:51:29,167 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2021-12-22 14:51:29,167 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2021-12-22 14:51:29,167 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_cq [2021-12-22 14:51:29,167 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_cq [2021-12-22 14:51:29,167 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 14:51:29,167 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 14:51:29,167 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_srq [2021-12-22 14:51:29,167 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_srq [2021-12-22 14:51:29,167 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-22 14:51:29,167 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-22 14:51:29,167 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_add_one [2021-12-22 14:51:29,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_add_one [2021-12-22 14:51:29,168 INFO L130 BoogieDeclarations]: Found specification of procedure put_qp_read [2021-12-22 14:51:29,168 INFO L138 BoogieDeclarations]: Found implementation of procedure put_qp_read [2021-12-22 14:51:29,168 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-22 14:51:29,168 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-22 14:51:29,168 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2021-12-22 14:51:29,168 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2021-12-22 14:51:29,168 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-22 14:51:29,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-22 14:51:29,168 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2021-12-22 14:51:29,168 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2021-12-22 14:51:29,169 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_from_udata [2021-12-22 14:51:29,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_from_udata [2021-12-22 14:51:29,169 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-22 14:51:29,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-22 14:51:29,169 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_uevent [2021-12-22 14:51:29,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_uevent [2021-12-22 14:51:29,169 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 14:51:29,169 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 14:51:29,169 INFO L130 BoogieDeclarations]: Found specification of procedure put_cq_read [2021-12-22 14:51:29,169 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cq_read [2021-12-22 14:51:29,169 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_modify_qp [2021-12-22 14:51:29,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_modify_qp [2021-12-22 14:51:29,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 14:51:29,170 INFO L130 BoogieDeclarations]: Found specification of procedure show_class_attr_string [2021-12-22 14:51:29,170 INFO L138 BoogieDeclarations]: Found implementation of procedure show_class_attr_string [2021-12-22 14:51:29,170 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_pd [2021-12-22 14:51:29,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_pd [2021-12-22 14:51:29,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 14:51:29,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 14:51:29,170 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2021-12-22 14:51:29,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2021-12-22 14:51:29,171 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-22 14:51:29,171 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-22 14:51:30,153 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 14:51:30,158 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 14:51:30,515 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 14:51:54,477 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 14:51:54,500 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 14:51:54,500 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 14:51:54,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:51:54 BoogieIcfgContainer [2021-12-22 14:51:54,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 14:51:54,506 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 14:51:54,506 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 14:51:54,508 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 14:51:54,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:51:26" (1/3) ... [2021-12-22 14:51:54,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e849b6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:51:54, skipping insertion in model container [2021-12-22 14:51:54,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:51:28" (2/3) ... [2021-12-22 14:51:54,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e849b6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:51:54, skipping insertion in model container [2021-12-22 14:51:54,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:51:54" (3/3) ... [2021-12-22 14:51:54,512 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2021-12-22 14:51:54,516 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 14:51:54,516 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 14:51:54,564 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 14:51:54,576 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 [2021-12-22 14:51:54,576 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 14:51:54,628 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) [2021-12-22 14:51:54,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2021-12-22 14:51:54,643 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:51:54,644 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] [2021-12-22 14:51:54,644 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:51:54,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:51:54,648 INFO L85 PathProgramCache]: Analyzing trace with hash 959065383, now seen corresponding path program 1 times [2021-12-22 14:51:54,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:51:54,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748831350] [2021-12-22 14:51:54,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:51:54,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:51:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:51:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:55,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:51:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 14:51:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:55,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:51:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 14:51:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:55,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 14:51:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 14:51:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 14:51:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:55,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 14:51:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 14:51:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-22 14:51:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-22 14:51:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:55,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:55,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-22 14:51:55,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:55,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-22 14:51:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-22 14:51:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:55,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:55,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-22 14:51:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-22 14:51:55,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:51:55,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-22 14:51:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:55,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:56,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-12-22 14:51:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:56,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:56,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-22 14:51:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:56,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:56,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-22 14:51:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:56,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:56,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:56,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-22 14:51:56,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:56,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:56,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-22 14:51:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:56,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:56,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-22 14:51:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:56,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:56,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:56,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-12-22 14:51:56,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:56,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:56,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-22 14:51:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:56,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:56,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:56,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-22 14:51:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:56,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:56,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-12-22 14:51:56,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:56,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:51:56,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:51:56,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2399 trivial. 0 not checked. [2021-12-22 14:51:56,203 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:51:56,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748831350] [2021-12-22 14:51:56,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748831350] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:51:56,204 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:51:56,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 14:51:56,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961659273] [2021-12-22 14:51:56,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:51:56,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 14:51:56,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:51:56,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 14:51:56,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:51:56,233 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) [2021-12-22 14:52:03,033 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 [] [2021-12-22 14:52:05,100 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:52:09,629 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:52:11,765 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:52:13,798 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:52:17,611 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:52:21,111 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:52:22,533 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:52:25,524 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:52:29,758 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:52:31,794 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:52:33,831 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 []